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From: "Alexey Shvetsov" <alexxy@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/sci:master commit in: sys-cluster/lustre/, sys-cluster/lustre/files/
Date: Wed, 17 Apr 2013 09:59:06 +0000 (UTC)	[thread overview]
Message-ID: <1366192726.e29c61718352489c6ca834d47f7ecba8629557f7.alexxy@gentoo> (raw)

commit:     e29c61718352489c6ca834d47f7ecba8629557f7
Author:     Alexey Shvetsov <alexxy <AT> gentoo <DOT> org>
AuthorDate: Wed Apr 17 09:58:46 2013 +0000
Commit:     Alexey Shvetsov <alexxy <AT> gentoo <DOT> org>
CommitDate: Wed Apr 17 09:58:46 2013 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/sci.git;a=commit;h=e29c6171

forget to add one patch

Package-Manager: portage-2.2.0_alpha173
RepoMan-Options: --force

---
 sys-cluster/lustre/ChangeLog                       |   19 +
 ...ld-make-AC-check-for-linux-arch-sandbox-f.patch |    2 +-
 ...rnel-3.0-SuSE-and-3.6-FC18-server-patches.patch |    2 +-
 ...nel-sock_map_fd-replaced-by-sock_alloc_fi.patch |    2 +-
 ...6-kernel-Kernel-update-for-3.7.2-201.fc18.patch |    2 +-
 ...pat-posix_acl_-to-from-_xattr-take-user_n.patch |    2 +-
 ...006-LU-2800-llite-introduce-local-getname.patch |    2 +-
 .../files/0007-LU-2987-llite-rcu-free-inode.patch  |    2 +-
 ...50-kernel-3.8-upstream-removes-vmtruncate.patch |    2 +-
 ...-2850-kernel-3.8-upstream-kills-daemonize.patch | 2971 ++++++++++++++++++++
 ...nel-3.9-hlist_for_each_entry-uses-3-args.patch} |    4 +-
 ...9-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch} |    4 +-
 ...-build-zfs-0.6.1-kmod-dkms-compatibility.patch} |    4 +-
 sys-cluster/lustre/lustre-9999.ebuild              |    7 +-
 14 files changed, 3008 insertions(+), 17 deletions(-)

diff --git a/sys-cluster/lustre/ChangeLog b/sys-cluster/lustre/ChangeLog
index a0c78db..d4315a2 100644
--- a/sys-cluster/lustre/ChangeLog
+++ b/sys-cluster/lustre/ChangeLog
@@ -3,6 +3,25 @@
 # $Header: $
 
   17 Apr 2013; Alexey Shvetsov <alexxy@gentoo.org>
+  +files/0009-LU-2850-kernel-3.8-upstream-kills-daemonize.patch,
+  +files/0010-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch,
+  +files/0011-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch,
+  +files/0012-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch,
+  -files/0009-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch,
+  -files/0010-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch,
+  -files/0011-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch,
+  files/0001-LU-2982-build-make-AC-check-for-linux-arch-sandbox-f.patch,
+  files/0002-LU-1812-kernel-3.0-SuSE-and-3.6-FC18-server-patches.patch,
+  files/0003-LU-2686-kernel-sock_map_fd-replaced-by-sock_alloc_fi.patch,
+  files/0004-LU-2686-kernel-Kernel-update-for-3.7.2-201.fc18.patch,
+  files/0005-LU-2850-compat-posix_acl_-to-from-_xattr-take-user_n.patch,
+  files/0006-LU-2800-llite-introduce-local-getname.patch,
+  files/0007-LU-2987-llite-rcu-free-inode.patch,
+  files/0008-LU-2850-kernel-3.8-upstream-removes-vmtruncate.patch,
+  lustre-9999.ebuild:
+  forget to add one patch
+
+  17 Apr 2013; Alexey Shvetsov <alexxy@gentoo.org>
   +files/0002-LU-1812-kernel-3.0-SuSE-and-3.6-FC18-server-patches.patch,
   +files/0003-LU-2686-kernel-sock_map_fd-replaced-by-sock_alloc_fi.patch,
   +files/0004-LU-2686-kernel-Kernel-update-for-3.7.2-201.fc18.patch,

diff --git a/sys-cluster/lustre/files/0001-LU-2982-build-make-AC-check-for-linux-arch-sandbox-f.patch b/sys-cluster/lustre/files/0001-LU-2982-build-make-AC-check-for-linux-arch-sandbox-f.patch
index eb3bc8e..d0ce05a 100644
--- a/sys-cluster/lustre/files/0001-LU-2982-build-make-AC-check-for-linux-arch-sandbox-f.patch
+++ b/sys-cluster/lustre/files/0001-LU-2982-build-make-AC-check-for-linux-arch-sandbox-f.patch
@@ -1,7 +1,7 @@
 From bb7a4a452a917bb998eb237af6c472aea7c70856 Mon Sep 17 00:00:00 2001
 From: Alexey Shvetsov <alexxy@gentoo.org>
 Date: Mon, 18 Mar 2013 16:22:27 +0400
-Subject: [PATCH 01/11] LU-2982 build: make AC check for linux arch sandbox
+Subject: [PATCH 01/12] LU-2982 build: make AC check for linux arch sandbox
  friendly
 
 this commit makes AC check for linux kernel arch sandbox friendly

diff --git a/sys-cluster/lustre/files/0002-LU-1812-kernel-3.0-SuSE-and-3.6-FC18-server-patches.patch b/sys-cluster/lustre/files/0002-LU-1812-kernel-3.0-SuSE-and-3.6-FC18-server-patches.patch
index 6cc1365..a2bd812 100644
--- a/sys-cluster/lustre/files/0002-LU-1812-kernel-3.0-SuSE-and-3.6-FC18-server-patches.patch
+++ b/sys-cluster/lustre/files/0002-LU-1812-kernel-3.0-SuSE-and-3.6-FC18-server-patches.patch
@@ -1,7 +1,7 @@
 From bbf10f6ddeb01a6653a5ffa77769aeb349741ee3 Mon Sep 17 00:00:00 2001
 From: James Simmons <uja.ornl@gmail.com>
 Date: Tue, 9 Apr 2013 11:26:00 -0400
-Subject: [PATCH 02/11] LU-1812 kernel: 3.0/SuSE and 3.6/FC18 server patches
+Subject: [PATCH 02/12] LU-1812 kernel: 3.0/SuSE and 3.6/FC18 server patches
 
 This patch extends lustre server support to FC18 and
 SLES11 SP2 with a ZFS. At this time ldiskfs is not

diff --git a/sys-cluster/lustre/files/0003-LU-2686-kernel-sock_map_fd-replaced-by-sock_alloc_fi.patch b/sys-cluster/lustre/files/0003-LU-2686-kernel-sock_map_fd-replaced-by-sock_alloc_fi.patch
index 6ecd22d..0d5f385 100644
--- a/sys-cluster/lustre/files/0003-LU-2686-kernel-sock_map_fd-replaced-by-sock_alloc_fi.patch
+++ b/sys-cluster/lustre/files/0003-LU-2686-kernel-sock_map_fd-replaced-by-sock_alloc_fi.patch
@@ -1,7 +1,7 @@
 From 6b3e1409cb327ab840c890e2bf01a55badaf720d Mon Sep 17 00:00:00 2001
 From: yangsheng <yang.sheng@intel.com>
 Date: Mon, 8 Apr 2013 21:14:09 +0800
-Subject: [PATCH 03/11] LU-2686 kernel: sock_map_fd() replaced by
+Subject: [PATCH 03/12] LU-2686 kernel: sock_map_fd() replaced by
  sock_alloc_file()
 
 Use sock_alloc_file() replace sock_map_fd().

diff --git a/sys-cluster/lustre/files/0004-LU-2686-kernel-Kernel-update-for-3.7.2-201.fc18.patch b/sys-cluster/lustre/files/0004-LU-2686-kernel-Kernel-update-for-3.7.2-201.fc18.patch
index 30bee1e..f96f6f5 100644
--- a/sys-cluster/lustre/files/0004-LU-2686-kernel-Kernel-update-for-3.7.2-201.fc18.patch
+++ b/sys-cluster/lustre/files/0004-LU-2686-kernel-Kernel-update-for-3.7.2-201.fc18.patch
@@ -1,7 +1,7 @@
 From def3a96c6a0755136d13796e5ca4b620a22b125b Mon Sep 17 00:00:00 2001
 From: yangsheng <yang.sheng@intel.com>
 Date: Mon, 8 Apr 2013 21:04:22 +0800
-Subject: [PATCH 04/11] LU-2686 kernel: Kernel update for 3.7.2-201.fc18
+Subject: [PATCH 04/12] LU-2686 kernel: Kernel update for 3.7.2-201.fc18
 
 Add uapi header to include search path.
 

diff --git a/sys-cluster/lustre/files/0005-LU-2850-compat-posix_acl_-to-from-_xattr-take-user_n.patch b/sys-cluster/lustre/files/0005-LU-2850-compat-posix_acl_-to-from-_xattr-take-user_n.patch
index 3f2b644..fef2787 100644
--- a/sys-cluster/lustre/files/0005-LU-2850-compat-posix_acl_-to-from-_xattr-take-user_n.patch
+++ b/sys-cluster/lustre/files/0005-LU-2850-compat-posix_acl_-to-from-_xattr-take-user_n.patch
@@ -1,7 +1,7 @@
 From 55b8ccf5de7c8666695245ad95b528185b6c4cf3 Mon Sep 17 00:00:00 2001
 From: Jeff Mahoney <jeffm@suse.com>
 Date: Wed, 20 Mar 2013 17:33:17 -0400
-Subject: [PATCH 05/11] LU-2850 compat: posix_acl_{to,from}_xattr take
+Subject: [PATCH 05/12] LU-2850 compat: posix_acl_{to,from}_xattr take
  user_namespace
 
 Commit 5f3a4a28 (v3.7) added a struct user_namespace argument to

diff --git a/sys-cluster/lustre/files/0006-LU-2800-llite-introduce-local-getname.patch b/sys-cluster/lustre/files/0006-LU-2800-llite-introduce-local-getname.patch
index 59b81d4..ca5daba 100644
--- a/sys-cluster/lustre/files/0006-LU-2800-llite-introduce-local-getname.patch
+++ b/sys-cluster/lustre/files/0006-LU-2800-llite-introduce-local-getname.patch
@@ -1,7 +1,7 @@
 From dcecd2b8def2c9d034f4d3e02edcdac5373e47ef Mon Sep 17 00:00:00 2001
 From: Jeff Mahoney <jeffm@suse.com>
 Date: Tue, 19 Mar 2013 21:18:32 -0400
-Subject: [PATCH 06/11] LU-2800 llite: introduce local getname()
+Subject: [PATCH 06/12] LU-2800 llite: introduce local getname()
 
 Commit 8e377d15 (v3.7) unexported getname and putname. Although
 getname was re-exported, putname was not. All we really need is

diff --git a/sys-cluster/lustre/files/0007-LU-2987-llite-rcu-free-inode.patch b/sys-cluster/lustre/files/0007-LU-2987-llite-rcu-free-inode.patch
index 9d9c836..75864b4 100644
--- a/sys-cluster/lustre/files/0007-LU-2987-llite-rcu-free-inode.patch
+++ b/sys-cluster/lustre/files/0007-LU-2987-llite-rcu-free-inode.patch
@@ -1,7 +1,7 @@
 From 77a1e2d9c3339f42e9b9617501c126362c3d6088 Mon Sep 17 00:00:00 2001
 From: Peng Tao <tao.peng@emc.com>
 Date: Tue, 19 Mar 2013 14:04:47 +0800
-Subject: [PATCH 07/11] LU-2987 llite: rcu-free inode
+Subject: [PATCH 07/12] LU-2987 llite: rcu-free inode
 
 Since 2.6.38, inode.i_rcu was added and file system .destory_inode
 should rcu-free inodes.

diff --git a/sys-cluster/lustre/files/0008-LU-2850-kernel-3.8-upstream-removes-vmtruncate.patch b/sys-cluster/lustre/files/0008-LU-2850-kernel-3.8-upstream-removes-vmtruncate.patch
index 5335b32..b9b4a43 100644
--- a/sys-cluster/lustre/files/0008-LU-2850-kernel-3.8-upstream-removes-vmtruncate.patch
+++ b/sys-cluster/lustre/files/0008-LU-2850-kernel-3.8-upstream-removes-vmtruncate.patch
@@ -1,7 +1,7 @@
 From 42de9a90abb62598e77cd5ae03f88edf889dfb7c Mon Sep 17 00:00:00 2001
 From: Alexey Shvetsov <alexxy@gentoo.org>
 Date: Wed, 17 Apr 2013 13:27:55 +0400
-Subject: [PATCH 08/11] LU-2850 kernel: 3.8 upstream removes vmtruncate()
+Subject: [PATCH 08/12] LU-2850 kernel: 3.8 upstream removes vmtruncate()
 
 vmtruncate() is removed since upstream commit b9f61c3.
 We can open code is for llite though.

diff --git a/sys-cluster/lustre/files/0009-LU-2850-kernel-3.8-upstream-kills-daemonize.patch b/sys-cluster/lustre/files/0009-LU-2850-kernel-3.8-upstream-kills-daemonize.patch
new file mode 100644
index 0000000..c82eb36
--- /dev/null
+++ b/sys-cluster/lustre/files/0009-LU-2850-kernel-3.8-upstream-kills-daemonize.patch
@@ -0,0 +1,2971 @@
+From f5d1ce5309c4bb7b39f6e49970a3d0e0a4e8a40e Mon Sep 17 00:00:00 2001
+From: Peng Tao <tao.peng@emc.com>
+Date: Mon, 18 Mar 2013 10:47:57 +0800
+Subject: [PATCH 09/12] LU-2850 kernel: 3.8 upstream kills daemonize()
+
+kernel_thread() is a low level kernel function.
+Instead of calling kernel_thread() and relying on daemonize()
+to create new kernel threads, we should really switch to
+kthread_run() and elimilate daemonize().
+
+Conflicts:
+	libcfs/autoconf/lustre-libcfs.m4
+	lustre/mdd/mdd_lfsck.c
+	lustre/obdclass/llog_cat.c
+	lustre/ptlrpc/recov_thread.c
+
+Signed-off-by: Peng Tao <tao.peng@emc.com>
+Change-Id: I9f977bfc5d58192957d8c8d634204f4910edfa2a
+---
+ libcfs/autoconf/lustre-libcfs.m4           | 19 -------
+ libcfs/include/libcfs/darwin/darwin-prim.h |  6 +--
+ libcfs/include/libcfs/libcfs.h             | 13 +----
+ libcfs/include/libcfs/linux/linux-prim.h   |  9 ----
+ libcfs/include/libcfs/posix/libcfs.h       |  1 +
+ libcfs/include/libcfs/user-prim.h          |  5 +-
+ libcfs/include/libcfs/winnt/winnt-prim.h   |  4 --
+ libcfs/libcfs/Makefile.in                  |  4 +-
+ libcfs/libcfs/darwin/darwin-prim.c         | 39 +++++++-------
+ libcfs/libcfs/darwin/darwin-utils.c        |  2 +-
+ libcfs/libcfs/debug.c                      | 20 ++++----
+ libcfs/libcfs/linux/Makefile.am            |  2 +-
+ libcfs/libcfs/linux/linux-lwt.c            | 81 ------------------------------
+ libcfs/libcfs/linux/linux-prim.c           | 40 +++++----------
+ libcfs/libcfs/tracefile.c                  | 15 +++---
+ libcfs/libcfs/user-prim.c                  | 38 +++++++-------
+ libcfs/libcfs/watchdog.c                   | 25 ++++-----
+ libcfs/libcfs/winnt/winnt-prim.c           | 27 ++++------
+ libcfs/libcfs/winnt/winnt-tcpip.c          |  8 +--
+ libcfs/libcfs/workitem.c                   | 26 +++++-----
+ lnet/klnds/gnilnd/gnilnd_cb.c              |  4 --
+ lnet/klnds/gnilnd/gnilnd_conn.c            |  6 ---
+ lnet/klnds/gnilnd/gnilnd_stack.c           |  1 -
+ lnet/klnds/mxlnd/mxlnd.c                   | 34 ++++++++-----
+ lnet/klnds/mxlnd/mxlnd_cb.c                | 11 ----
+ lnet/klnds/o2iblnd/o2iblnd.c               | 13 +++--
+ lnet/klnds/o2iblnd/o2iblnd.h               |  2 +-
+ lnet/klnds/o2iblnd/o2iblnd_cb.c            | 23 +++------
+ lnet/klnds/ptllnd/ptllnd.c                 |  5 +-
+ lnet/klnds/ptllnd/ptllnd_cb.c              | 25 ++++-----
+ lnet/klnds/qswlnd/qswlnd.c                 |  3 +-
+ lnet/klnds/qswlnd/qswlnd_cb.c              | 13 +++--
+ lnet/klnds/ralnd/ralnd.c                   | 10 ++--
+ lnet/klnds/ralnd/ralnd.h                   |  2 +-
+ lnet/klnds/ralnd/ralnd_cb.c                | 19 ++-----
+ lnet/klnds/socklnd/socklnd.c               | 19 +++++--
+ lnet/klnds/socklnd/socklnd.h               |  2 +-
+ lnet/klnds/socklnd/socklnd_cb.c            | 30 ++++-------
+ lnet/lnet/acceptor.c                       | 11 ++--
+ lnet/lnet/module.c                         | 10 ++--
+ lnet/lnet/router.c                         | 20 ++++----
+ lnet/selftest/timer.c                      | 11 ++--
+ lnet/ulnds/socklnd/usocklnd.c              | 17 ++++---
+ lustre/ldlm/ldlm_lib.c                     | 31 +++++-------
+ lustre/ldlm/ldlm_lockd.c                   | 41 +++++++--------
+ lustre/ldlm/ldlm_pool.c                    | 53 +++++++++----------
+ lustre/llite/llite_capa.c                  | 25 +++++----
+ lustre/llite/llite_close.c                 | 26 ++++------
+ lustre/llite/lloop.c                       | 10 ++--
+ lustre/llite/statahead.c                   | 61 +++++++++++-----------
+ lustre/mdc/mdc_request.c                   | 34 ++++++-------
+ lustre/mdd/mdd_lfsck.c                     |  7 ++-
+ lustre/mdt/mdt_capa.c                      | 26 +++++-----
+ lustre/mgc/mgc_request.c                   | 31 ++++++------
+ lustre/mgs/mgs_nids.c                      | 13 ++---
+ lustre/obdclass/genops.c                   | 22 +++-----
+ lustre/obdclass/llog.c                     |  8 +--
+ lustre/osd-ldiskfs/osd_scrub.c             |  5 +-
+ lustre/osp/osp_precreate.c                 | 15 +++---
+ lustre/osp/osp_sync.c                      |  9 ++--
+ lustre/ptlrpc/import.c                     | 34 +++++++------
+ lustre/ptlrpc/pinger.c                     | 39 +++++++-------
+ lustre/ptlrpc/ptlrpcd.c                    | 25 +++++----
+ lustre/ptlrpc/sec_gc.c                     | 12 ++---
+ lustre/ptlrpc/service.c                    | 19 ++++---
+ lustre/quota/qmt_lock.c                    | 17 +++----
+ lustre/quota/qsd_reint.c                   |  6 +--
+ lustre/quota/qsd_writeback.c               | 16 +++---
+ 68 files changed, 515 insertions(+), 745 deletions(-)
+ delete mode 100644 libcfs/libcfs/linux/linux-lwt.c
+
+diff --git a/libcfs/autoconf/lustre-libcfs.m4 b/libcfs/autoconf/lustre-libcfs.m4
+index 4545a7a..03a428c 100644
+--- a/libcfs/autoconf/lustre-libcfs.m4
++++ b/libcfs/autoconf/lustre-libcfs.m4
+@@ -696,23 +696,6 @@ LB_LINUX_TRY_COMPILE([
+ ])
+ ])
+ 
+-# 2.6.18 store oom parameters in task struct.
+-# 2.6.32 store oom parameters in signal struct
+-AC_DEFUN([LIBCFS_OOMADJ_IN_SIG],
+-[AC_MSG_CHECKING([kernel store oom parameters in task])
+-LB_LINUX_TRY_COMPILE([
+-        #include <linux/sched.h>
+-],[
+-        ((struct signal_struct *)0)->oom_adj = 0;
+-],[
+-        AC_MSG_RESULT(yes)
+-        AC_DEFINE(HAVE_OOMADJ_IN_SIG, 1,
+-                  [kernel store a oom parameters in signal struct])
+-],[
+-        AC_MSG_RESULT(no)
+-])
+-])
+-
+ #
+ # 2.6.33 no longer has ctl_name & strategy field in struct ctl_table.
+ #
+@@ -865,8 +848,6 @@ LIBCFS_HAVE_SET_MEMS_ALLOWED
+ # 2.6.32
+ LIBCFS_STACKTRACE_OPS_HAVE_WALK_STACK
+ LC_SHRINKER_WANT_SHRINK_PTR
+-LIBCFS_HAVE_OOM_H
+-LIBCFS_OOMADJ_IN_SIG
+ # 2.6.33
+ LIBCFS_SYSCTL_CTLNAME
+ # 2.6.34
+diff --git a/libcfs/include/libcfs/darwin/darwin-prim.h b/libcfs/include/libcfs/darwin/darwin-prim.h
+index 7bc7af3..583e257 100644
+--- a/libcfs/include/libcfs/darwin/darwin-prim.h
++++ b/libcfs/include/libcfs/darwin/darwin-prim.h
+@@ -202,10 +202,8 @@ extern task_t	kernel_task;
+ 
+ #define CLONE_SIGNAL    (CLONE_SIGHAND | CLONE_THREAD)
+ 
+-#define CFS_DAEMON_FLAGS (CLONE_VM | CLONE_FILES)
+-
+-extern int cfs_create_thread(cfs_thread_t func, void *arg, unsigned long flag);
+-
++extern cfs_task_t kthread_run(cfs_thread_t func, void *arg,
++			      const char namefmt[], ...);
+ 
+ /*
+  * Wait Queue implementation
+diff --git a/libcfs/include/libcfs/libcfs.h b/libcfs/include/libcfs/libcfs.h
+index 2375ed9..34c36a3 100644
+--- a/libcfs/include/libcfs/libcfs.h
++++ b/libcfs/include/libcfs/libcfs.h
+@@ -226,8 +226,7 @@ void cfs_enter_debugger(void);
+ /*
+  * Defined by platform
+  */
+-void cfs_daemonize(char *str);
+-int cfs_daemonize_ctxt(char *str);
++int unshare_fs_struct(void);
+ cfs_sigset_t cfs_get_blocked_sigs(void);
+ cfs_sigset_t cfs_block_allsigs(void);
+ cfs_sigset_t cfs_block_sigs(unsigned long sigs);
+@@ -236,16 +235,6 @@ void cfs_restore_sigs(cfs_sigset_t);
+ int cfs_signal_pending(void);
+ void cfs_clear_sigpending(void);
+ 
+-/*
+- * XXX Liang:
+- * these macros should be removed in the future,
+- * we keep them just for keeping libcfs compatible
+- * with other branches.
+- */
+-#define libcfs_daemonize(s)     cfs_daemonize(s)
+-#define cfs_sigmask_lock(f)     do { f= 0; } while (0)
+-#define cfs_sigmask_unlock(f)   do { f= 0; } while (0)
+-
+ int convert_server_error(__u64 ecode);
+ int convert_client_oflag(int cflag, int *result);
+ 
+diff --git a/libcfs/include/libcfs/linux/linux-prim.h b/libcfs/include/libcfs/linux/linux-prim.h
+index 1aeb5aa..31298e1 100644
+--- a/libcfs/include/libcfs/linux/linux-prim.h
++++ b/libcfs/include/libcfs/linux/linux-prim.h
+@@ -183,15 +183,6 @@ typedef long                            cfs_task_state_t;
+ 
+ #define CFS_DECL_WAITQ(wq)		DECLARE_WAIT_QUEUE_HEAD(wq)
+ 
+-#define cfs_kthread_run(fn, data, fmt, arg...) kthread_run(fn, data, fmt, ##arg)
+-
+-/* Kernel thread */
+-typedef int (*cfs_thread_t)(void *);
+-
+-#define CFS_DAEMON_FLAGS (CLONE_VM | CLONE_FILES)
+-extern int cfs_create_thread(int (*fn)(void *),
+-                             void *arg, unsigned long flags);
+-
+ /*
+  * Task struct
+  */
+diff --git a/libcfs/include/libcfs/posix/libcfs.h b/libcfs/include/libcfs/posix/libcfs.h
+index 91158bc..c21e2e6 100644
+--- a/libcfs/include/libcfs/posix/libcfs.h
++++ b/libcfs/include/libcfs/posix/libcfs.h
+@@ -110,6 +110,7 @@
+ typedef unsigned long long cfs_cycles_t;
+ 
+ #define IS_ERR(a) ((unsigned long)(a) > (unsigned long)-1000L)
++#define IS_ERR_VALUE(a) (IS_ERR(a))
+ #define PTR_ERR(a) ((long)(a))
+ #define ERR_PTR(a) ((void*)((long)(a)))
+ 
+diff --git a/libcfs/include/libcfs/user-prim.h b/libcfs/include/libcfs/user-prim.h
+index 85253d8..c4e806c 100644
+--- a/libcfs/include/libcfs/user-prim.h
++++ b/libcfs/include/libcfs/user-prim.h
+@@ -157,9 +157,10 @@ static inline int cfs_psdev_deregister(cfs_psdev_t *foo)
+ 
+ #ifdef HAVE_LIBPTHREAD
+ typedef int (*cfs_thread_t)(void *);
+-int cfs_create_thread(cfs_thread_t func, void *arg, unsigned long flags);
++void *kthread_run(cfs_thread_t func, void *arg, const char namefmt[], ...);
+ #else
+-#define cfs_create_thread(l,m) LBUG()
++/* Fine, crash, but stop giving me compile warnings */
++#define kthread_run(f, a, n, ...) LBUG()
+ #endif
+ 
+ uid_t cfs_curproc_uid(void);
+diff --git a/libcfs/include/libcfs/winnt/winnt-prim.h b/libcfs/include/libcfs/winnt/winnt-prim.h
+index 985af01..e234bba 100644
+--- a/libcfs/include/libcfs/winnt/winnt-prim.h
++++ b/libcfs/include/libcfs/winnt/winnt-prim.h
+@@ -442,8 +442,6 @@ typedef struct _cfs_thread_context {
+     void *              arg;
+ } cfs_thread_context_t;
+ 
+-int cfs_create_thread(int (*func)(void *), void *arg, unsigned long flag);
+-
+ /*
+  * thread creation flags from Linux, not used in winnt
+  */
+@@ -461,8 +459,6 @@ int cfs_create_thread(int (*func)(void *), void *arg, unsigned long flag);
+ 
+ #define CLONE_SIGNAL    (CLONE_SIGHAND | CLONE_THREAD)
+ 
+-#define CFS_DAEMON_FLAGS (CLONE_VM|CLONE_FILES)
+-
+ /*
+  * group_info: linux/sched.h
+  */
+diff --git a/libcfs/libcfs/Makefile.in b/libcfs/libcfs/Makefile.in
+index 71852cc..ddfadde 100644
+--- a/libcfs/libcfs/Makefile.in
++++ b/libcfs/libcfs/Makefile.in
+@@ -3,7 +3,7 @@ MODULES = libcfs
+ libcfs-linux-objs := linux-tracefile.o linux-debug.o
+ libcfs-linux-objs += linux-prim.o linux-mem.o linux-cpu.o
+ libcfs-linux-objs += linux-fs.o linux-sync.o linux-tcpip.o
+-libcfs-linux-objs += linux-lwt.o linux-proc.o linux-curproc.o
++libcfs-linux-objs += linux-proc.o linux-curproc.o
+ libcfs-linux-objs += linux-utils.o linux-module.o
+ libcfs-linux-objs += linux-crypto.o linux-crypto-crc32.o
+ libcfs-linux-objs += linux-crypto-adler.o
+@@ -29,7 +29,7 @@ sources:
+ 
+ libcfs-linux-objs := $(addprefix linux/,$(libcfs-linux-objs))
+ 
+-libcfs-all-objs := debug.o fail.o nidstrings.o lwt.o module.o tracefile.o \
++libcfs-all-objs := debug.o fail.o nidstrings.o module.o tracefile.o \
+ 		   watchdog.o libcfs_string.o hash.o kernel_user_comm.o \
+ 		   prng.o workitem.o upcall_cache.o libcfs_cpu.o \
+ 		   libcfs_mem.o libcfs_lock.o heap.o
+diff --git a/libcfs/libcfs/darwin/darwin-prim.c b/libcfs/libcfs/darwin/darwin-prim.c
+index 68d1c0d..8e0901f 100644
+--- a/libcfs/libcfs/darwin/darwin-prim.c
++++ b/libcfs/libcfs/darwin/darwin-prim.c
+@@ -333,24 +333,29 @@ cfs_thread_agent (void)
+ 
+ extern thread_t kernel_thread(task_t task, void (*start)(void));
+ 
+-int
+-cfs_create_thread(cfs_thread_t  func, void *arg, unsigned long flag)
+-{
+-        int ret = 0;
+-        thread_t th = NULL;
+-
+-        thread_arg_hold(&cfs_thread_arg, func, arg);
+-        th = kernel_thread(kernel_task, cfs_thread_agent);
+-        thread_arg_release(&cfs_thread_arg);
+-        if (th == THREAD_NULL)
++cfs_task_t
++kthread_run(cfs_thread_t func, void *arg, const char namefmt[], ...)
++{
++	int ret = 0;
++	thread_t th = NULL;
++
++	thread_arg_hold(&cfs_thread_arg, func, arg);
++	th = kernel_thread(kernel_task, cfs_thread_agent);
++	thread_arg_release(&cfs_thread_arg);
++	if (th != THREAD_NULL) {
++		/*
++		 * FIXME: change child thread name...
++		 * cfs_curproc_comm() is already broken. So it is left as is...
++		va_list args;
++		va_start(args, namefmt);
++		snprintf(cfs_curproc_comm(), CFS_CURPROC_COMM_MAX,
++			 namefmt, args);
++		va_end(args);
++		 */
++	} else {
+                 ret = -1;
+-        return ret;
+-}
+-
+-void cfs_daemonize(char *str)
+-{
+-        snprintf(cfs_curproc_comm(), CFS_CURPROC_COMM_MAX, "%s", str);
+-        return;
++	}
++	return (cfs_task_t)((long)ret);
+ }
+ 
+ /*
+diff --git a/libcfs/libcfs/darwin/darwin-utils.c b/libcfs/libcfs/darwin/darwin-utils.c
+index c66f8e8..909b586 100644
+--- a/libcfs/libcfs/darwin/darwin-utils.c
++++ b/libcfs/libcfs/darwin/darwin-utils.c
+@@ -531,7 +531,7 @@ static int is_last_frame(void *addr)
+ 		return 1;
+ 	else if (is_addr_in_range(addr, trap, syscall_trace))
+ 		return 1;
+-	else if (is_addr_in_range(addr, cfs_thread_agent, cfs_create_thread))
++	else if (is_addr_in_range(addr, cfs_thread_agent, kthread_run))
+ 		return 1;
+ 	else
+ 		return 0;
+diff --git a/libcfs/libcfs/debug.c b/libcfs/libcfs/debug.c
+index f503781..16a8e99 100644
+--- a/libcfs/libcfs/debug.c
++++ b/libcfs/libcfs/debug.c
+@@ -367,16 +367,16 @@ void libcfs_debug_dumplog(void)
+         /* we're being careful to ensure that the kernel thread is
+          * able to set our state to running as it exits before we
+          * get to schedule() */
+-        cfs_waitlink_init(&wait);
+-        cfs_set_current_state(CFS_TASK_INTERRUPTIBLE);
+-        cfs_waitq_add(&debug_ctlwq, &wait);
+-
+-        dumper = cfs_kthread_run(libcfs_debug_dumplog_thread,
+-                                 (void*)(long)cfs_curproc_pid(),
+-                                 "libcfs_debug_dumper");
+-        if (IS_ERR(dumper))
+-                printk(CFS_KERN_ERR "LustreError: cannot start log dump thread:"
+-                       " %ld\n", PTR_ERR(dumper));
++	cfs_waitlink_init(&wait);
++	cfs_set_current_state(CFS_TASK_INTERRUPTIBLE);
++	cfs_waitq_add(&debug_ctlwq, &wait);
++
++	dumper = kthread_run(libcfs_debug_dumplog_thread,
++			     (void *)(long)cfs_curproc_pid(),
++			     "libcfs_debug_dumper");
++	if (IS_ERR(dumper))
++		printk(CFS_KERN_ERR "LustreError: cannot start log dump thread:"
++		       " %ld\n", PTR_ERR(dumper));
+         else
+                 cfs_waitq_wait(&wait, CFS_TASK_INTERRUPTIBLE);
+ 
+diff --git a/libcfs/libcfs/linux/Makefile.am b/libcfs/libcfs/linux/Makefile.am
+index bb75462..3c0209f 100644
+--- a/libcfs/libcfs/linux/Makefile.am
++++ b/libcfs/libcfs/linux/Makefile.am
+@@ -1,4 +1,4 @@
+-EXTRA_DIST = linux-debug.c linux-lwt.c linux-prim.c linux-tracefile.c	\
++EXTRA_DIST = linux-debug.c linux-prim.c linux-tracefile.c	\
+ 	linux-fs.c linux-mem.c linux-proc.c linux-utils.c linux-lock.c	\
+ 	linux-module.c linux-sync.c linux-curproc.c linux-tcpip.c	\
+ 	linux-cpu.c linux-crypto.c linux-crypto-crc32.c linux-crypto-adler.c \
+diff --git a/libcfs/libcfs/linux/linux-lwt.c b/libcfs/libcfs/linux/linux-lwt.c
+deleted file mode 100644
+index d9d4dc1..0000000
+--- a/libcfs/libcfs/linux/linux-lwt.c
++++ /dev/null
+@@ -1,81 +0,0 @@
+-/*
+- * GPL HEADER START
+- *
+- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+- *
+- * This program is free software; you can redistribute it and/or modify
+- * it under the terms of the GNU General Public License version 2 only,
+- * as published by the Free Software Foundation.
+- *
+- * This program is distributed in the hope that it will be useful, but
+- * WITHOUT ANY WARRANTY; without even the implied warranty of
+- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+- * General Public License version 2 for more details (a copy is included
+- * in the LICENSE file that accompanied this code).
+- *
+- * You should have received a copy of the GNU General Public License
+- * version 2 along with this program; If not, see
+- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+- *
+- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+- * CA 95054 USA or visit www.sun.com if you need additional information or
+- * have any questions.
+- *
+- * GPL HEADER END
+- */
+-/*
+- * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+- * Use is subject to license terms.
+- *
+- * Copyright (c) 2012, Intel Corporation.
+- */
+-/*
+- * This file is part of Lustre, http://www.lustre.org/
+- * Lustre is a trademark of Sun Microsystems, Inc.
+- */
+-
+-# define DEBUG_SUBSYSTEM S_LNET
+-#include <linux/module.h>
+-#include <linux/sched.h>
+-#include <linux/spinlock.h>
+-
+-#ifdef HAVE_LINUX_OOM_H
+-#include <linux/oom.h>
+-#else
+-#include <linux/mm.h>
+-#endif
+-
+-int oom_get_adj(struct task_struct *task, int scope)
+-{
+-	int oom_adj;
+-#ifdef HAVE_OOMADJ_IN_SIG
+-	unsigned long flags;
+-
+-	spin_lock_irqsave(&task->sighand->siglock, flags);
+-	oom_adj = task->signal->oom_adj;
+-	task->signal->oom_adj = scope;
+-	spin_unlock_irqrestore(&task->sighand->siglock, flags);
+-
+-#else
+-	oom_adj = task->oomkilladj;
+-	task->oomkilladj = scope;
+-#endif
+-	return oom_adj;
+-}
+-
+-int cfs_create_thread(int (*fn)(void *),
+-                      void *arg, unsigned long flags)
+-{
+-        void *orig_info = current->journal_info;
+-        int rc;
+-        int old_oom;
+-
+-        old_oom = oom_get_adj(current, OOM_DISABLE);
+-        current->journal_info = NULL;
+-        rc = kernel_thread(fn, arg, flags);
+-        current->journal_info = orig_info;
+-        oom_get_adj(current, old_oom);
+-
+-        return rc;
+-}
+-EXPORT_SYMBOL(cfs_create_thread);
+diff --git a/libcfs/libcfs/linux/linux-prim.c b/libcfs/libcfs/linux/linux-prim.c
+index afb4465..6da1744 100644
+--- a/libcfs/libcfs/linux/linux-prim.c
++++ b/libcfs/libcfs/linux/linux-prim.c
+@@ -259,34 +259,20 @@ void cfs_enter_debugger(void)
+ #endif
+ }
+ 
+-void cfs_daemonize(char *str) {
+-        unsigned long flags;
+-
+-        daemonize(str);
+-        SIGNAL_MASK_LOCK(current, flags);
+-        sigfillset(&current->blocked);
+-        RECALC_SIGPENDING;
+-        SIGNAL_MASK_UNLOCK(current, flags);
+-}
+-
+-int cfs_daemonize_ctxt(char *str) {
+-
+-        cfs_daemonize(str);
+ #ifndef HAVE_UNSHARE_FS_STRUCT
+-        {
+-        struct task_struct *tsk = current;
+-        struct fs_struct *fs = NULL;
+-        fs = copy_fs_struct(tsk->fs);
+-        if (fs == NULL)
+-                return -ENOMEM;
+-        exit_fs(tsk);
+-        tsk->fs = fs;
+-        }
+-#else
+-        unshare_fs_struct();
++int unshare_fs_struct(void)
++{
++	struct task_struct *tsk = current;
++	struct fs_struct *fs = NULL;
++	fs = copy_fs_struct(tsk->fs);
++	if (fs == NULL)
++		return -ENOMEM;
++	exit_fs(tsk);
++	tsk->fs = fs;
++	return 0;
++}
++EXPORT_SYMBOL(unshare_fs_struct);
+ #endif
+-        return 0;
+-}
+ 
+ sigset_t
+ cfs_block_allsigs(void)
+@@ -373,8 +359,6 @@ libcfs_arch_cleanup(void)
+ EXPORT_SYMBOL(libcfs_arch_init);
+ EXPORT_SYMBOL(libcfs_arch_cleanup);
+ EXPORT_SYMBOL(cfs_enter_debugger);
+-EXPORT_SYMBOL(cfs_daemonize);
+-EXPORT_SYMBOL(cfs_daemonize_ctxt);
+ EXPORT_SYMBOL(cfs_block_allsigs);
+ EXPORT_SYMBOL(cfs_block_sigs);
+ EXPORT_SYMBOL(cfs_block_sigsinv);
+diff --git a/libcfs/libcfs/tracefile.c b/libcfs/libcfs/tracefile.c
+index d455e42..f874974 100644
+--- a/libcfs/libcfs/tracefile.c
++++ b/libcfs/libcfs/tracefile.c
+@@ -992,7 +992,6 @@ static int tracefiled(void *arg)
+ 
+ 	/* we're started late enough that we pick up init's fs context */
+ 	/* this is so broken in uml?  what on earth is going on? */
+-	cfs_daemonize("ktracefiled");
+ 
+ 	spin_lock_init(&pc.pc_lock);
+ 	complete(&tctl->tctl_start);
+@@ -1106,16 +1105,16 @@ int cfs_trace_start_thread(void)
+ 
+ 	init_completion(&tctl->tctl_start);
+ 	init_completion(&tctl->tctl_stop);
+-        cfs_waitq_init(&tctl->tctl_waitq);
+-        cfs_atomic_set(&tctl->tctl_shutdown, 0);
++	cfs_waitq_init(&tctl->tctl_waitq);
++	cfs_atomic_set(&tctl->tctl_shutdown, 0);
+ 
+-        if (cfs_create_thread(tracefiled, tctl, 0) < 0) {
+-                rc = -ECHILD;
+-                goto out;
+-        }
++	if (IS_ERR(kthread_run(tracefiled, tctl, "ktracefiled"))) {
++		rc = -ECHILD;
++		goto out;
++	}
+ 
+ 	wait_for_completion(&tctl->tctl_start);
+-        thread_running = 1;
++	thread_running = 1;
+ out:
+ 	mutex_unlock(&cfs_trace_thread_mutex);
+         return rc;
+diff --git a/libcfs/libcfs/user-prim.c b/libcfs/libcfs/user-prim.c
+index eb21418..9f2b7b3 100644
+--- a/libcfs/libcfs/user-prim.c
++++ b/libcfs/libcfs/user-prim.c
+@@ -223,24 +223,25 @@ static void *cfs_thread_helper(void *data)
+         return NULL;
+ }
+ 
+-int cfs_create_thread(cfs_thread_t func, void *arg, unsigned long flags)
++void *kthread_run(cfs_thread_t func, void *arg, const char namefmt[], ...)
+ {
+-        pthread_t tid;
+-        pthread_attr_t tattr;
+-        int rc;
+-        struct lustre_thread_arg *targ_p = malloc(sizeof(struct lustre_thread_arg));
++	pthread_t tid;
++	pthread_attr_t tattr;
++	int rc;
++	struct lustre_thread_arg *targ_p =
++				malloc(sizeof(struct lustre_thread_arg));
+ 
+-        if ( targ_p == NULL )
+-                return -ENOMEM;
++	if (targ_p == NULL)
++		return ERR_PTR(-ENOMEM);
+ 
+-        targ_p->f = func;
+-        targ_p->arg = arg;
++	targ_p->f = func;
++	targ_p->arg = arg;
+ 
+-        pthread_attr_init(&tattr);
+-        pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED);
+-        rc = pthread_create(&tid, &tattr, cfs_thread_helper, targ_p);
+-        pthread_attr_destroy(&tattr);
+-        return -rc;
++	pthread_attr_init(&tattr);
++	pthread_attr_setdetachstate(&tattr, PTHREAD_CREATE_DETACHED);
++	rc = pthread_create(&tid, &tattr, cfs_thread_helper, targ_p);
++	pthread_attr_destroy(&tattr);
++	return ERR_PTR(rc);
+ }
+ #endif
+ 
+@@ -314,14 +315,9 @@ void cfs_enter_debugger(void)
+          */
+ }
+ 
+-void cfs_daemonize(char *str)
++int unshare_fs_struct()
+ {
+-        return;
+-}
+-
+-int cfs_daemonize_ctxt(char *str)
+-{
+-        return 0;
++	return 0;
+ }
+ 
+ cfs_sigset_t cfs_block_allsigs(void)
+diff --git a/libcfs/libcfs/watchdog.c b/libcfs/libcfs/watchdog.c
+index e08fe68..0981a2c 100644
+--- a/libcfs/libcfs/watchdog.c
++++ b/libcfs/libcfs/watchdog.c
+@@ -213,19 +213,11 @@ static void lcw_dump_stack(struct lc_watchdog *lcw)
+ static int lcw_dispatch_main(void *data)
+ {
+         int                 rc = 0;
+-        unsigned long       flags;
+         struct lc_watchdog *lcw;
+         CFS_LIST_HEAD      (zombies);
+ 
+         ENTRY;
+ 
+-        cfs_daemonize("lc_watchdogd");
+-
+-        SIGNAL_MASK_LOCK(current, flags);
+-        sigfillset(&current->blocked);
+-        RECALC_SIGPENDING;
+-        SIGNAL_MASK_UNLOCK(current, flags);
+-
+ 	complete(&lcw_start_completion);
+ 
+         while (1) {
+@@ -312,7 +304,7 @@ static int lcw_dispatch_main(void *data)
+ 
+ static void lcw_dispatch_start(void)
+ {
+-	int rc;
++	cfs_task_t *task;
+ 
+ 	ENTRY;
+ 	LASSERT(lcw_refcount == 1);
+@@ -321,13 +313,14 @@ static void lcw_dispatch_start(void)
+ 	init_completion(&lcw_start_completion);
+         cfs_waitq_init(&lcw_event_waitq);
+ 
+-        CDEBUG(D_INFO, "starting dispatch thread\n");
+-        rc = cfs_create_thread(lcw_dispatch_main, NULL, 0);
+-        if (rc < 0) {
+-                CERROR("error spawning watchdog dispatch thread: %d\n", rc);
+-                EXIT;
+-                return;
+-        }
++	CDEBUG(D_INFO, "starting dispatch thread\n");
++	task = kthread_run(lcw_dispatch_main, NULL, "lc_watchdogd");
++	if (IS_ERR(task)) {
++		CERROR("error spawning watchdog dispatch thread: %ld\n",
++			PTR_ERR(task));
++		EXIT;
++		return;
++	}
+ 	wait_for_completion(&lcw_start_completion);
+ 	CDEBUG(D_INFO, "watchdog dispatcher initialization complete.\n");
+ 
+diff --git a/libcfs/libcfs/winnt/winnt-prim.c b/libcfs/libcfs/winnt/winnt-prim.c
+index 8596a40..1d04567 100644
+--- a/libcfs/libcfs/winnt/winnt-prim.c
++++ b/libcfs/libcfs/winnt/winnt-prim.c
+@@ -82,22 +82,22 @@ cfs_thread_proc(
+ }
+ 
+ /*
+- * cfs_create_thread
++ * kthread_run
+  *   Create a system thread to execute the routine specified
+  *
+  * Arguments:
+  *   func:  function to be executed in the thread
+  *   arg:   argument transferred to func function
+- *   flag:  thread creation flags.
++ *   name:  thread name to create
+  *
+  * Return Value:
+- *   int:   0 on success or error codes
++ *   cfs_task_t:   0 on success or error codes
+  *
+  * Notes:
+  *   N/A
+  */
+ 
+-int cfs_create_thread(int (*func)(void *), void *arg, unsigned long flag)
++cfs_task_t kthread_run(int (*func)(void *), void *arg, char *name)
+ {
+     cfs_handle_t  thread = NULL;
+     NTSTATUS      status;
+@@ -108,7 +108,7 @@ int cfs_create_thread(int (*func)(void *), void *arg, unsigned long flag)
+     context = cfs_alloc(sizeof(cfs_thread_context_t), CFS_ALLOC_ZERO);
+ 
+     if (!context) {
+-        return -ENOMEM;
++	return ERR_PTR(-ENOMEM);
+     }
+ 
+     context->func  = func;
+@@ -130,7 +130,7 @@ int cfs_create_thread(int (*func)(void *), void *arg, unsigned long flag)
+ 
+         /* We need translate the nt status to linux error code */
+ 
+-        return cfs_error_code(status);
++	return ERR_PTR(cfs_error_code(status));
+     }
+ 
+     //
+@@ -139,7 +139,7 @@ int cfs_create_thread(int (*func)(void *), void *arg, unsigned long flag)
+ 
+     ZwClose(thread);
+ 
+-    return 0;
++	return (cfs_task_t)0;
+ }
+ 
+ 
+@@ -529,18 +529,9 @@ cfs_time_t cfs_timer_deadline(cfs_timer_t * timer)
+     return timer->deadline;
+ }
+ 
+-/*
+- * daemonize routine stub
+- */
+-
+-void cfs_daemonize(char *str)
++int unshare_fs_struct()
+ {
+-    return;
+-}
+-
+-int cfs_daemonize_ctxt(char *str) {
+-    cfs_daemonize(str);
+-    return 0;
++	return 0;
+ }
+ 
+ /*
+diff --git a/libcfs/libcfs/winnt/winnt-tcpip.c b/libcfs/libcfs/winnt/winnt-tcpip.c
+index 6fbf0a5..50d784f 100644
+--- a/libcfs/libcfs/winnt/winnt-tcpip.c
++++ b/libcfs/libcfs/winnt/winnt-tcpip.c
+@@ -5898,10 +5898,10 @@ ks_init_tdi_data()
+     }
+     for (i = 0; i < ks_data.ksnd_engine_nums; i++) {
+ 		spin_lock_init(&ks_data.ksnd_engine_mgr[i].lock);
+-        cfs_init_event(&ks_data.ksnd_engine_mgr[i].start, TRUE, FALSE);
+-        cfs_init_event(&ks_data.ksnd_engine_mgr[i].exit, TRUE, FALSE);
+-        CFS_INIT_LIST_HEAD(&ks_data.ksnd_engine_mgr[i].list);
+-        cfs_create_thread(KsDeliveryEngineThread, &ks_data.ksnd_engine_mgr[i], 0);
++	cfs_init_event(&ks_data.ksnd_engine_mgr[i].start, TRUE, FALSE);
++	cfs_init_event(&ks_data.ksnd_engine_mgr[i].exit, TRUE, FALSE);
++	CFS_INIT_LIST_HEAD(&ks_data.ksnd_engine_mgr[i].list);
++	kthread_run(KsDeliveryEngineThread, &ks_data.ksnd_engine_mgr[i], "");
+     }
+ 
+     /* register pnp handlers to watch network condition */
+diff --git a/libcfs/libcfs/workitem.c b/libcfs/libcfs/workitem.c
+index db839e5..309cfec 100644
+--- a/libcfs/libcfs/workitem.c
++++ b/libcfs/libcfs/workitem.c
+@@ -245,17 +245,7 @@ static int
+ cfs_wi_scheduler (void *arg)
+ {
+ 	struct cfs_wi_sched	*sched = (cfs_wi_sched_t *)arg;
+-	char			name[16];
+-
+-	if (sched->ws_cptab != NULL && sched->ws_cpt >= 0) {
+-		snprintf(name, sizeof(name), "%s_%02d_%02d",
+-			 sched->ws_name, sched->ws_cpt, sched->ws_nthreads);
+-	} else {
+-		snprintf(name, sizeof(name), "%s_%02d",
+-			 sched->ws_name, sched->ws_nthreads);
+-	}
+ 
+-	cfs_daemonize(name);
+ 	cfs_block_allsigs();
+ 
+ 	/* CPT affinity scheduler? */
+@@ -463,6 +453,8 @@ cfs_wi_sched_create(char *name, struct cfs_cpt_table *cptab,
+ 	rc = 0;
+ #ifdef __KERNEL__
+ 	while (nthrs > 0)  {
++		char	name[16];
++		cfs_task_t	*task;
+ 		spin_lock(&cfs_wi_data.wi_glock);
+ 		while (sched->ws_starting > 0) {
+ 			spin_unlock(&cfs_wi_data.wi_glock);
+@@ -473,11 +465,21 @@ cfs_wi_sched_create(char *name, struct cfs_cpt_table *cptab,
+ 		sched->ws_starting++;
+ 		spin_unlock(&cfs_wi_data.wi_glock);
+ 
+-		rc = cfs_create_thread(cfs_wi_scheduler, sched, 0);
+-		if (rc >= 0) {
++		if (sched->ws_cptab != NULL && sched->ws_cpt >= 0) {
++			snprintf(name, sizeof(name), "%s_%02d_%02d",
++				 sched->ws_name, sched->ws_cpt,
++				 sched->ws_nthreads);
++		} else {
++			snprintf(name, sizeof(name), "%s_%02d",
++				 sched->ws_name, sched->ws_nthreads);
++		}
++
++		task = kthread_run(cfs_wi_scheduler, sched, name);
++		if (!IS_ERR(task)) {
+ 			nthrs--;
+ 			continue;
+ 		}
++		rc = PTR_ERR(task);
+ 
+ 		CERROR("Failed to create thread for WI scheduler %s: %d\n",
+ 		       name, rc);
+diff --git a/lnet/klnds/gnilnd/gnilnd_cb.c b/lnet/klnds/gnilnd/gnilnd_cb.c
+index 56be88a..53d8337 100644
+--- a/lnet/klnds/gnilnd/gnilnd_cb.c
++++ b/lnet/klnds/gnilnd/gnilnd_cb.c
+@@ -2609,7 +2609,6 @@ kgnilnd_reaper(void *arg)
+ 	struct timer_list  timer;
+ 	DEFINE_WAIT(wait);
+ 
+-	cfs_daemonize("kgnilnd_rpr");
+ 	cfs_block_allsigs();
+ 
+ 	/* all gnilnd threads need to run fairly urgently */
+@@ -4247,14 +4246,11 @@ kgnilnd_scheduler(void *arg)
+ {
+ 	int               threadno = (long)arg;
+ 	kgn_device_t     *dev;
+-	char              name[16];
+ 	int               busy_loops = 0;
+ 	DEFINE_WAIT(wait);
+ 
+ 	dev = &kgnilnd_data.kgn_devices[(threadno + 1) % kgnilnd_data.kgn_ndevs];
+ 
+-	snprintf(name, sizeof(name), "kgnilnd_sd_%02d", threadno);
+-	cfs_daemonize(name);
+ 	cfs_block_allsigs();
+ 
+ 	/* all gnilnd threads need to run fairly urgently */
+diff --git a/lnet/klnds/gnilnd/gnilnd_conn.c b/lnet/klnds/gnilnd/gnilnd_conn.c
+index 38aee5b..a64ed3f 100644
+--- a/lnet/klnds/gnilnd/gnilnd_conn.c
++++ b/lnet/klnds/gnilnd/gnilnd_conn.c
+@@ -2157,13 +2157,10 @@ int
+ kgnilnd_dgram_waitq(void *arg)
+ {
+ 	kgn_device_t     *dev = (kgn_device_t *) arg;
+-	char              name[16];
+ 	gni_return_t      grc;
+ 	__u64             readyid;
+ 	DEFINE_WAIT(mover_done);
+ 
+-	snprintf(name, sizeof(name), "kgnilnd_dgn_%02d", dev->gnd_id);
+-	cfs_daemonize(name);
+ 	cfs_block_allsigs();
+ 
+ 	/* all gnilnd threads need to run fairly urgently */
+@@ -2312,15 +2309,12 @@ int
+ kgnilnd_dgram_mover(void *arg)
+ {
+ 	kgn_device_t            *dev = (kgn_device_t *)arg;
+-	char                     name[16];
+ 	int                      rc, did_something;
+ 	unsigned long            next_purge_check = jiffies - 1;
+ 	unsigned long            timeout;
+ 	struct timer_list        timer;
+ 	DEFINE_WAIT(wait);
+ 
+-	snprintf(name, sizeof(name), "kgnilnd_dg_%02d", dev->gnd_id);
+-	cfs_daemonize(name);
+ 	cfs_block_allsigs();
+ 	/* all gnilnd threads need to run fairly urgently */
+ 	set_user_nice(current, *kgnilnd_tunables.kgn_nice);
+diff --git a/lnet/klnds/gnilnd/gnilnd_stack.c b/lnet/klnds/gnilnd/gnilnd_stack.c
+index 10ae493..9dbc3a1 100644
+--- a/lnet/klnds/gnilnd/gnilnd_stack.c
++++ b/lnet/klnds/gnilnd/gnilnd_stack.c
+@@ -362,7 +362,6 @@ kgnilnd_ruhroh_thread(void *arg)
+ 	int                i = 1;
+ 	DEFINE_WAIT(wait);
+ 
+-	cfs_daemonize("kgnilnd_rr");
+ 	cfs_block_allsigs();
+ 	set_user_nice(current, *kgnilnd_tunables.kgn_nice);
+ 	kgnilnd_data.kgn_ruhroh_running = 1;
+diff --git a/lnet/klnds/mxlnd/mxlnd.c b/lnet/klnds/mxlnd/mxlnd.c
+index 558bfaf..dbe998f 100644
+--- a/lnet/klnds/mxlnd/mxlnd.c
++++ b/lnet/klnds/mxlnd/mxlnd.c
+@@ -385,24 +385,25 @@ failed_with_init:
+  * mxlnd_thread_start - spawn a kernel thread with this function
+  * @fn - function pointer
+  * @arg - pointer to the parameter data
++ * @name - name of new thread
+  *
+  * Returns 0 on success and a negative value on failure
+  */
+ int
+-mxlnd_thread_start(int (*fn)(void *arg), void *arg)
++mxlnd_thread_start(int (*fn)(void *arg), void *arg, char *name)
+ {
+-        int     pid = 0;
++	cfs_task *task;
+         int     i   = (int) ((long) arg);
+ 
+         cfs_atomic_inc(&kmxlnd_data.kmx_nthreads);
+ 	init_completion(&kmxlnd_data.kmx_completions[i]);
+ 
+-        pid = cfs_create_thread(fn, arg, 0);
+-        if (pid < 0) {
+-                CERROR("cfs_create_thread() failed with %d\n", pid);
+-                cfs_atomic_dec(&kmxlnd_data.kmx_nthreads);
+-        }
+-        return pid;
++	task = kthread_run(fn, arg, name);
++	if (IS_ERR(task)) {
++		CERROR("cfs_create_thread() failed with %d\n", PTR_ERR(task));
++		cfs_atomic_dec(&kmxlnd_data.kmx_nthreads);
++	}
++	return PTR_ERR(task);
+ }
+ 
+ /**
+@@ -616,9 +617,13 @@ mxlnd_startup (lnet_ni_t *ni)
+                 *kmxlnd_tunables.kmx_n_waitd == 1 ? "thread" : "threads");
+ 
+         for (i = 0; i < *kmxlnd_tunables.kmx_n_waitd; i++) {
++		char                    name[24];
++		memset(name, 0, sizeof(name));
++		snprintf(name, sizeof(name), "mxlnd_request_waitd_%02ld", i);
+                 ret = mxlnd_thread_start(mxlnd_request_waitd, (void*)((long)i));
+-                if (ret < 0) {
+-                        CERROR("Starting mxlnd_request_waitd[%d] failed with %d\n", i, ret);
++		if (ret < 0) {
++			CERROR("Starting mxlnd_request_waitd[%d] "
++				"failed with %d\n", i, ret);
+                         cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+                         mx_wakeup(kmxlnd_data.kmx_endpt);
+                         for (--i; i >= 0; i--) {
+@@ -631,7 +636,8 @@ mxlnd_startup (lnet_ni_t *ni)
+                         goto failed;
+                 }
+         }
+-        ret = mxlnd_thread_start(mxlnd_tx_queued, (void*)((long)i++));
++	ret = mxlnd_thread_start(mxlnd_tx_queued, (void *)((long)i++),
++				 "mxlnd_tx_queued");
+         if (ret < 0) {
+                 CERROR("Starting mxlnd_tx_queued failed with %d\n", ret);
+                 cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+@@ -644,7 +650,8 @@ mxlnd_startup (lnet_ni_t *ni)
+ 			nthreads * sizeof(struct completion));
+                 goto failed;
+         }
+-        ret = mxlnd_thread_start(mxlnd_timeoutd, (void*)((long)i++));
++	ret = mxlnd_thread_start(mxlnd_timeoutd, (void *)((long)i++),
++				 "mxlnd_timeoutd");
+         if (ret < 0) {
+                 CERROR("Starting mxlnd_timeoutd failed with %d\n", ret);
+                 cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+@@ -658,7 +665,8 @@ mxlnd_startup (lnet_ni_t *ni)
+ 			nthreads * sizeof(struct completion));
+                 goto failed;
+         }
+-        ret = mxlnd_thread_start(mxlnd_connd, (void*)((long)i++));
++	ret = mxlnd_thread_start(mxlnd_connd, (void *)((long)i++),
++				 "mxlnd_connd");
+         if (ret < 0) {
+                 CERROR("Starting mxlnd_connd failed with %d\n", ret);
+                 cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+diff --git a/lnet/klnds/mxlnd/mxlnd_cb.c b/lnet/klnds/mxlnd/mxlnd_cb.c
+index 5b67392..4b3961b 100644
+--- a/lnet/klnds/mxlnd/mxlnd_cb.c
++++ b/lnet/klnds/mxlnd/mxlnd_cb.c
+@@ -2554,8 +2554,6 @@ mxlnd_tx_queued(void *arg)
+ 	spinlock_t		*tx_q_lock = &kmxlnd_data.kmx_tx_queue_lock;
+ 	rwlock_t		*g_lock  = &kmxlnd_data.kmx_global_lock;
+ 
+-	cfs_daemonize("mxlnd_tx_queued");
+-
+ 	while (!(cfs_atomic_read(&kmxlnd_data.kmx_shutdown))) {
+ 		ret = down_interruptible(&kmxlnd_data.kmx_tx_queue_sem);
+ 		if (cfs_atomic_read(&kmxlnd_data.kmx_shutdown))
+@@ -3485,7 +3483,6 @@ int
+ mxlnd_request_waitd(void *arg)
+ {
+         long                    id              = (long) arg;
+-        char                    name[24];
+         __u32                   result          = 0;
+         mx_return_t             mxret           = MX_SUCCESS;
+         mx_status_t             status;
+@@ -3497,10 +3494,6 @@ mxlnd_request_waitd(void *arg)
+         int                     count           = 0;
+ #endif
+ 
+-        memset(name, 0, sizeof(name));
+-        snprintf(name, sizeof(name), "mxlnd_request_waitd_%02ld", id);
+-        cfs_daemonize(name);
+-
+         memset(&status, 0, sizeof(status));
+ 
+         CDEBUG(D_NET, "%s starting\n", name);
+@@ -3965,8 +3958,6 @@ mxlnd_connd(void *arg)
+ {
+         long                    id              = (long) arg;
+ 
+-        cfs_daemonize("mxlnd_connd");
+-
+         CDEBUG(D_NET, "connd starting\n");
+ 
+         while (!(cfs_atomic_read(&kmxlnd_data.kmx_shutdown))) {
+@@ -4040,8 +4031,6 @@ mxlnd_timeoutd(void *arg)
+         kmx_conn_t     *conn    = NULL;
+ 	rwlock_t   *g_lock  = &kmxlnd_data.kmx_global_lock;
+ 
+-        cfs_daemonize("mxlnd_timeoutd");
+-
+         CDEBUG(D_NET, "timeoutd starting\n");
+ 
+         while (!(cfs_atomic_read(&kmxlnd_data.kmx_shutdown))) {
+diff --git a/lnet/klnds/o2iblnd/o2iblnd.c b/lnet/klnds/o2iblnd/o2iblnd.c
+index 7d3c025..86298dd 100644
+--- a/lnet/klnds/o2iblnd/o2iblnd.c
++++ b/lnet/klnds/o2iblnd/o2iblnd.c
+@@ -3011,14 +3011,15 @@ kiblnd_base_startup(void)
+         kiblnd_data.kib_init = IBLND_INIT_DATA;
+         /*****************************************************/
+ 
+-        rc = kiblnd_thread_start(kiblnd_connd, NULL);
++	rc = kiblnd_thread_start(kiblnd_connd, NULL, "kiblnd_connd");
+         if (rc != 0) {
+                 CERROR("Can't spawn o2iblnd connd: %d\n", rc);
+                 goto failed;
+         }
+ 
+-        if (*kiblnd_tunables.kib_dev_failover != 0)
+-                rc = kiblnd_thread_start(kiblnd_failover_thread, NULL);
++	if (*kiblnd_tunables.kib_dev_failover != 0)
++		rc = kiblnd_thread_start(kiblnd_failover_thread, NULL,
++					 "kiblnd_failover");
+ 
+         if (rc != 0) {
+                 CERROR("Can't spawn o2iblnd failover thread: %d\n", rc);
+@@ -3060,9 +3061,11 @@ kiblnd_start_schedulers(struct kib_sched_info *sched)
+ 
+ 	for (i = 0; i < nthrs; i++) {
+ 		long	id;
+-
++		char	name[20];
+ 		id = KIB_THREAD_ID(sched->ibs_cpt, sched->ibs_nthreads + i);
+-		rc = kiblnd_thread_start(kiblnd_scheduler, (void *)id);
++		snprintf(name, sizeof(name), "kiblnd_sd_%02ld_%02ld",
++			 KIB_THREAD_CPT(id), KIB_THREAD_TID(id));
++		rc = kiblnd_thread_start(kiblnd_scheduler, (void *)id, name);
+ 		if (rc == 0)
+ 			continue;
+ 
+diff --git a/lnet/klnds/o2iblnd/o2iblnd.h b/lnet/klnds/o2iblnd/o2iblnd.h
+index 87c7cc0..7585657 100644
+--- a/lnet/klnds/o2iblnd/o2iblnd.h
++++ b/lnet/klnds/o2iblnd/o2iblnd.h
+@@ -1067,7 +1067,7 @@ void kiblnd_tunables_fini(void);
+ 
+ int  kiblnd_connd (void *arg);
+ int  kiblnd_scheduler(void *arg);
+-int  kiblnd_thread_start (int (*fn)(void *arg), void *arg);
++int  kiblnd_thread_start(int (*fn)(void *arg), void *arg, char *name);
+ int  kiblnd_failover_thread (void *arg);
+ 
+ int  kiblnd_alloc_pages(kib_pages_t **pp, int cpt, int npages);
+diff --git a/lnet/klnds/o2iblnd/o2iblnd_cb.c b/lnet/klnds/o2iblnd/o2iblnd_cb.c
+index 3cc7985..af92311 100644
+--- a/lnet/klnds/o2iblnd/o2iblnd_cb.c
++++ b/lnet/klnds/o2iblnd/o2iblnd_cb.c
+@@ -1805,15 +1805,15 @@ kiblnd_recv (lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed,
+ }
+ 
+ int
+-kiblnd_thread_start (int (*fn)(void *arg), void *arg)
++kiblnd_thread_start(int (*fn)(void *arg), void *arg, char *name)
+ {
+-        long    pid = cfs_create_thread (fn, arg, 0);
++	cfs_task_t *task = kthread_run(fn, arg, name);
+ 
+-        if (pid < 0)
+-                return ((int)pid);
++	if (IS_ERR(task))
++		return PTR_ERR(task);
+ 
+-        cfs_atomic_inc (&kiblnd_data.kib_nthreads);
+-        return (0);
++	cfs_atomic_inc(&kiblnd_data.kib_nthreads);
++	return 0;
+ }
+ 
+ void
+@@ -3135,7 +3135,6 @@ kiblnd_connd (void *arg)
+         int                peer_index = 0;
+         unsigned long      deadline = jiffies;
+ 
+-        cfs_daemonize ("kiblnd_connd");
+         cfs_block_allsigs ();
+ 
+         cfs_waitlink_init (&wait);
+@@ -3329,15 +3328,10 @@ kiblnd_scheduler(void *arg)
+ 	cfs_waitlink_t		wait;
+ 	unsigned long		flags;
+ 	struct ib_wc		wc;
+-	char			name[20];
+ 	int			did_something;
+ 	int			busy_loops = 0;
+ 	int			rc;
+ 
+-	snprintf(name, sizeof(name), "kiblnd_sd_%02ld_%02ld",
+-		 KIB_THREAD_CPT(id), KIB_THREAD_TID(id));
+-
+-	cfs_daemonize(name);
+ 	cfs_block_allsigs();
+ 
+ 	cfs_waitlink_init(&wait);
+@@ -3346,10 +3340,10 @@ kiblnd_scheduler(void *arg)
+ 
+ 	rc = cfs_cpt_bind(lnet_cpt_table(), sched->ibs_cpt);
+ 	if (rc != 0) {
+-		CWARN("Failed to bind %s on CPT %d, please verify whether "
++		CWARN("Failed to bind on CPT %d, please verify whether "
+ 		      "all CPUs are healthy and reload modules if necessary, "
+ 		      "otherwise your system might under risk of low "
+-		      "performance\n", name, sched->ibs_cpt);
++		      "performance\n", sched->ibs_cpt);
+ 	}
+ 
+ 	spin_lock_irqsave(&sched->ibs_lock, flags);
+@@ -3464,7 +3458,6 @@ kiblnd_failover_thread(void *arg)
+ 
+         LASSERT (*kiblnd_tunables.kib_dev_failover != 0);
+ 
+-        cfs_daemonize ("kiblnd_failover");
+         cfs_block_allsigs ();
+ 
+         cfs_waitlink_init(&wait);
+diff --git a/lnet/klnds/ptllnd/ptllnd.c b/lnet/klnds/ptllnd/ptllnd.c
+index 791f5c2..2edf87d 100644
+--- a/lnet/klnds/ptllnd/ptllnd.c
++++ b/lnet/klnds/ptllnd/ptllnd.c
+@@ -643,6 +643,7 @@ kptllnd_base_startup (void)
+         struct timeval  tv;
+         lnet_process_id_t  target;
+         ptl_err_t       ptl_rc;
++	char            name[16];
+ 
+         if (*kptllnd_tunables.kptl_max_procs_per_node < 1) {
+                 CERROR("max_procs_per_node must be >= 1\n");
+@@ -824,6 +825,7 @@ kptllnd_base_startup (void)
+          * now that PTLLND_INIT_DATA state has been entered */
+         CDEBUG(D_NET, "starting %d scheduler threads\n", PTLLND_N_SCHED);
+         for (i = 0; i < PTLLND_N_SCHED; i++) {
++		snprintf(name, sizeof(name), "kptllnd_sd_%02d", i);
+                 rc = kptllnd_thread_start(kptllnd_scheduler, (void *)((long)i));
+                 if (rc != 0) {
+                         CERROR("Can't spawn scheduler[%d]: %d\n", i, rc);
+@@ -831,7 +833,8 @@ kptllnd_base_startup (void)
+                 }
+         }
+ 
+-        rc = kptllnd_thread_start(kptllnd_watchdog, NULL);
++	snprintf(name, sizeof(name), "kptllnd_wd_%02d", i);
++	rc = kptllnd_thread_start(kptllnd_watchdog, NULL, name);
+         if (rc != 0) {
+                 CERROR("Can't spawn watchdog: %d\n", rc);
+                 goto failed;
+diff --git a/lnet/klnds/ptllnd/ptllnd_cb.c b/lnet/klnds/ptllnd/ptllnd_cb.c
+index e815607..7be7e4d 100644
+--- a/lnet/klnds/ptllnd/ptllnd_cb.c
++++ b/lnet/klnds/ptllnd/ptllnd_cb.c
+@@ -651,26 +651,24 @@ kptllnd_thread_fini (void)
+ }
+ 
+ int
+-kptllnd_thread_start (int (*fn)(void *arg), void *arg)
++kptllnd_thread_start(int (*fn)(void *arg), void *arg, char *name)
+ {
+-        long                pid;
++	cfs_task_t *task;
+ 
+-        cfs_atomic_inc(&kptllnd_data.kptl_nthreads);
++	cfs_atomic_inc(&kptllnd_data.kptl_nthreads);
+ 
+-        pid = cfs_create_thread (fn, arg, 0);
+-        if (pid >= 0)
+-                return 0;
+-
+-        CERROR("Failed to start thread: error %d\n", (int)pid);
+-        kptllnd_thread_fini();
+-        return (int)pid;
++	task = kthread_run(fn, arg, name);
++	if (IS_ERR(task)) {
++		CERROR("Failed to start thread: error %ld\n", PTR_ERR(task));
++		kptllnd_thread_fini();
++	}
++	return PTR_ERR(task);
+ }
+ 
+ int
+ kptllnd_watchdog(void *arg)
+ {
+         int                 id = (long)arg;
+-        char                name[16];
+         cfs_waitlink_t      waitlink;
+         int                 stamp = 0;
+         int                 peer_index = 0;
+@@ -678,8 +676,6 @@ kptllnd_watchdog(void *arg)
+         int                 timeout;
+         int                 i;
+ 
+-        snprintf(name, sizeof(name), "kptllnd_wd_%02d", id);
+-        cfs_daemonize(name);
+         cfs_block_allsigs();
+ 
+         cfs_waitlink_init(&waitlink);
+@@ -740,7 +736,6 @@ int
+ kptllnd_scheduler (void *arg)
+ {
+         int                 id = (long)arg;
+-        char                name[16];
+         cfs_waitlink_t      waitlink;
+         unsigned long       flags;
+         int                 did_something;
+@@ -749,8 +744,6 @@ kptllnd_scheduler (void *arg)
+         kptl_rx_buffer_t   *rxb;
+         kptl_tx_t          *tx;
+ 
+-        snprintf(name, sizeof(name), "kptllnd_sd_%02d", id);
+-        cfs_daemonize(name);
+         cfs_block_allsigs();
+ 
+         cfs_waitlink_init(&waitlink);
+diff --git a/lnet/klnds/qswlnd/qswlnd.c b/lnet/klnds/qswlnd/qswlnd.c
+index eb6c659..4df26ee 100644
+--- a/lnet/klnds/qswlnd/qswlnd.c
++++ b/lnet/klnds/qswlnd/qswlnd.c
+@@ -526,7 +526,8 @@ kqswnal_startup (lnet_ni_t *ni)
+ 	/**********************************************************************/
+ 	/* Spawn scheduling threads */
+ 	for (i = 0; i < cfs_num_online_cpus(); i++) {
+-		rc = kqswnal_thread_start (kqswnal_scheduler, NULL);
++		rc = kqswnal_thread_start(kqswnal_scheduler, NULL,
++					  "kqswnal_sched");
+ 		if (rc != 0)
+ 		{
+ 			CERROR ("failed to spawn scheduling thread: %d\n", rc);
+diff --git a/lnet/klnds/qswlnd/qswlnd_cb.c b/lnet/klnds/qswlnd/qswlnd_cb.c
+index 243918b..50cc744 100644
+--- a/lnet/klnds/qswlnd/qswlnd_cb.c
++++ b/lnet/klnds/qswlnd/qswlnd_cb.c
+@@ -1655,15 +1655,15 @@ kqswnal_recv (lnet_ni_t     *ni,
+ }
+ 
+ int
+-kqswnal_thread_start (int (*fn)(void *arg), void *arg)
++kqswnal_thread_start(int (*fn)(void *arg), void *arg, char *name)
+ {
+-        long    pid = cfs_create_thread (fn, arg, 0);
++	cfs_task_t *task = cfs_thread_run(fn, arg, name);
+ 
+-        if (pid < 0)
+-                return ((int)pid);
++	if (IS_ERR(task))
++		return PTR_ERR(task);
+ 
+-        cfs_atomic_inc (&kqswnal_data.kqn_nthreads);
+-        return (0);
++	cfs_atomic_inc(&kqswnal_data.kqn_nthreads);
++	return 0;
+ }
+ 
+ void
+@@ -1682,7 +1682,6 @@ kqswnal_scheduler (void *arg)
+         int              counter = 0;
+         int              did_something;
+ 
+-        cfs_daemonize ("kqswnal_sched");
+         cfs_block_allsigs ();
+ 
+ 	spin_lock_irqsave(&kqswnal_data.kqn_sched_lock, flags);
+diff --git a/lnet/klnds/ralnd/ralnd.c b/lnet/klnds/ralnd/ralnd.c
+index ca68fef..eabefae 100644
+--- a/lnet/klnds/ralnd/ralnd.c
++++ b/lnet/klnds/ralnd/ralnd.c
+@@ -1566,6 +1566,7 @@ kranal_startup (lnet_ni_t *ni)
+         int               rc;
+         int               i;
+         kra_device_t     *dev;
++	char		  name[16];
+ 
+         LASSERT (ni->ni_lnd == &the_kralnd);
+ 
+@@ -1658,14 +1659,16 @@ kranal_startup (lnet_ni_t *ni)
+         if (rc != 0)
+                 goto failed;
+ 
+-        rc = kranal_thread_start(kranal_reaper, NULL);
++	rc = kranal_thread_start(kranal_reaper, NULL, "kranal_reaper");
+         if (rc != 0) {
+                 CERROR("Can't spawn ranal reaper: %d\n", rc);
+                 goto failed;
+         }
+ 
+         for (i = 0; i < *kranal_tunables.kra_n_connd; i++) {
+-                rc = kranal_thread_start(kranal_connd, (void *)(unsigned long)i);
++		snprintf(name, sizeof(name), "kranal_connd_%02ld", i);
++		rc = kranal_thread_start(kranal_connd,
++					 (void *)(unsigned long)i, name);
+                 if (rc != 0) {
+                         CERROR("Can't spawn ranal connd[%d]: %d\n",
+                                i, rc);
+@@ -1691,7 +1694,8 @@ kranal_startup (lnet_ni_t *ni)
+         
+         for (i = 0; i < kranal_data.kra_ndevs; i++) {
+                 dev = &kranal_data.kra_devices[i];
+-                rc = kranal_thread_start(kranal_scheduler, dev);
++		snprintf(name, sizeof(name), "kranal_sd_%02d", dev->rad_idx);
++		rc = kranal_thread_start(kranal_scheduler, dev, name);
+                 if (rc != 0) {
+                         CERROR("Can't spawn ranal scheduler[%d]: %d\n",
+                                i, rc);
+diff --git a/lnet/klnds/ralnd/ralnd.h b/lnet/klnds/ralnd/ralnd.h
+index d9fd100..8b92cdc 100644
+--- a/lnet/klnds/ralnd/ralnd.h
++++ b/lnet/klnds/ralnd/ralnd.h
+@@ -452,7 +452,7 @@ extern kra_peer_t *kranal_find_peer_locked (lnet_nid_t nid);
+ extern void kranal_post_fma (kra_conn_t *conn, kra_tx_t *tx);
+ extern int kranal_del_peer (lnet_nid_t nid);
+ extern void kranal_device_callback (RAP_INT32 devid, RAP_PVOID arg);
+-extern int kranal_thread_start (int(*fn)(void *arg), void *arg);
++extern int kranal_thread_start(int(*fn)(void *arg), void *arg, char *name);
+ extern int kranal_connd (void *arg);
+ extern int kranal_reaper (void *arg);
+ extern int kranal_scheduler (void *arg);
+diff --git a/lnet/klnds/ralnd/ralnd_cb.c b/lnet/klnds/ralnd/ralnd_cb.c
+index 8c7f053..05de1c1 100644
+--- a/lnet/klnds/ralnd/ralnd_cb.c
++++ b/lnet/klnds/ralnd/ralnd_cb.c
+@@ -891,15 +891,13 @@ kranal_recv (lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg,
+ }
+ 
+ int
+-kranal_thread_start (int(*fn)(void *arg), void *arg)
++kranal_thread_start(int(*fn)(void *arg), void *arg, char *name)
+ {
+-        long    pid = cfs_create_thread(fn, arg, 0);
++	cfs_task_t *task = cfs_thread_run(fn, arg, name);
+ 
+-        if (pid < 0)
+-                return(int)pid;
+-
+-        cfs_atomic_inc(&kranal_data.kra_nthreads);
+-        return 0;
++	if (!IS_ERR(task))
++		cfs_atomic_inc(&kranal_data.kra_nthreads);
++	return PTR_ERR(task);
+ }
+ 
+ void
+@@ -1054,15 +1052,12 @@ int
+ kranal_connd (void *arg)
+ {
+         long               id = (long)arg;
+-        char               name[16];
+         cfs_waitlink_t     wait;
+         unsigned long      flags;
+         kra_peer_t        *peer;
+         kra_acceptsock_t  *ras;
+         int                did_something;
+ 
+-        snprintf(name, sizeof(name), "kranal_connd_%02ld", id);
+-        cfs_daemonize(name);
+         cfs_block_allsigs();
+ 
+         cfs_waitlink_init(&wait);
+@@ -1159,7 +1154,6 @@ kranal_reaper (void *arg)
+         long               next_min_timeout = CFS_MAX_SCHEDULE_TIMEOUT;
+         long               current_min_timeout = 1;
+ 
+-        cfs_daemonize("kranal_reaper");
+         cfs_block_allsigs();
+ 
+         cfs_waitlink_init(&wait);
+@@ -1932,7 +1926,6 @@ kranal_scheduler (void *arg)
+ {
+         kra_device_t     *dev = (kra_device_t *)arg;
+         cfs_waitlink_t    wait;
+-        char              name[16];
+         kra_conn_t       *conn;
+         unsigned long     flags;
+         unsigned long     deadline;
+@@ -1945,8 +1938,6 @@ kranal_scheduler (void *arg)
+         int               dropped_lock;
+         int               busy_loops = 0;
+ 
+-        snprintf(name, sizeof(name), "kranal_sd_%02d", dev->rad_idx);
+-        cfs_daemonize(name);
+         cfs_block_allsigs();
+ 
+         dev->rad_scheduler = current;
+diff --git a/lnet/klnds/socklnd/socklnd.c b/lnet/klnds/socklnd/socklnd.c
+index 9376b08..c70ceeb 100644
+--- a/lnet/klnds/socklnd/socklnd.c
++++ b/lnet/klnds/socklnd/socklnd.c
+@@ -2465,12 +2465,15 @@ ksocknal_base_startup(void)
+         }
+ 
+         for (i = 0; i < *ksocknal_tunables.ksnd_nconnds; i++) {
++		char name[16];
+ 		spin_lock_bh(&ksocknal_data.ksnd_connd_lock);
+ 		ksocknal_data.ksnd_connd_starting++;
+ 		spin_unlock_bh(&ksocknal_data.ksnd_connd_lock);
+ 
++
++		snprintf(name, sizeof(name), "socknal_cd%02d", i);
+ 		rc = ksocknal_thread_start(ksocknal_connd,
+-					   (void *)((ulong_ptr_t)i));
++					   (void *)((ulong_ptr_t)i), name);
+ 		if (rc != 0) {
+ 			spin_lock_bh(&ksocknal_data.ksnd_connd_lock);
+ 			ksocknal_data.ksnd_connd_starting--;
+@@ -2480,7 +2483,7 @@ ksocknal_base_startup(void)
+                 }
+         }
+ 
+-        rc = ksocknal_thread_start (ksocknal_reaper, NULL);
++	rc = ksocknal_thread_start(ksocknal_reaper, NULL, "socknal_reaper");
+         if (rc != 0) {
+                 CERROR ("Can't spawn socknal reaper: %d\n", rc);
+                 goto failed;
+@@ -2724,10 +2727,16 @@ ksocknal_start_schedulers(struct ksock_sched_info *info)
+ 	}
+ 
+ 	for (i = 0; i < nthrs; i++) {
+-		long	id;
+-
++		long		id;
++		char		name[20];
++		ksock_sched_t	*sched;
+ 		id = KSOCK_THREAD_ID(info->ksi_cpt, info->ksi_nthreads + i);
+-		rc = ksocknal_thread_start(ksocknal_scheduler, (void *)id);
++		sched = &info->ksi_scheds[KSOCK_THREAD_SID(id)];
++		snprintf(name, sizeof(name), "socknal_sd%02d_%02d",
++			 info->ksi_cpt, (int)(sched - &info->ksi_scheds[0]));
++
++		rc = ksocknal_thread_start(ksocknal_scheduler,
++					   (void *)id, name);
+ 		if (rc == 0)
+ 			continue;
+ 
+diff --git a/lnet/klnds/socklnd/socklnd.h b/lnet/klnds/socklnd/socklnd.h
+index abdf25a..1094397 100644
+--- a/lnet/klnds/socklnd/socklnd.h
++++ b/lnet/klnds/socklnd/socklnd.h
+@@ -581,7 +581,7 @@ extern void ksocknal_txlist_done (lnet_ni_t *ni, cfs_list_t *txlist,
+                                   int error);
+ extern void ksocknal_notify (lnet_ni_t *ni, lnet_nid_t gw_nid, int alive);
+ extern void ksocknal_query (struct lnet_ni *ni, lnet_nid_t nid, cfs_time_t *when);
+-extern int ksocknal_thread_start (int (*fn)(void *arg), void *arg);
++extern int ksocknal_thread_start(int (*fn)(void *arg), void *arg, char *name);
+ extern void ksocknal_thread_fini (void);
+ extern void ksocknal_launch_all_connections_locked (ksock_peer_t *peer);
+ extern ksock_route_t *ksocknal_find_connectable_route_locked (ksock_peer_t *peer);
+diff --git a/lnet/klnds/socklnd/socklnd_cb.c b/lnet/klnds/socklnd/socklnd_cb.c
+index b24127d..e624753 100644
+--- a/lnet/klnds/socklnd/socklnd_cb.c
++++ b/lnet/klnds/socklnd/socklnd_cb.c
+@@ -1007,17 +1007,17 @@ ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
+ }
+ 
+ int
+-ksocknal_thread_start (int (*fn)(void *arg), void *arg)
++ksocknal_thread_start(int (*fn)(void *arg), void *arg, char *name)
+ {
+-        long          pid = cfs_create_thread (fn, arg, 0);
++	cfs_task_t *task = kthread_run(fn, arg, name);
+ 
+-        if (pid < 0)
+-                return ((int)pid);
++	if (IS_ERR(task))
++		return PTR_ERR(task);
+ 
+ 	write_lock_bh(&ksocknal_data.ksnd_global_lock);
+-        ksocknal_data.ksnd_nthreads++;
++	ksocknal_data.ksnd_nthreads++;
+ 	write_unlock_bh(&ksocknal_data.ksnd_global_lock);
+-        return (0);
++	return 0;
+ }
+ 
+ void
+@@ -1396,22 +1396,17 @@ int ksocknal_scheduler(void *arg)
+ 	ksock_tx_t		*tx;
+ 	int			rc;
+ 	int			nloops = 0;
+-	char			name[20];
+ 	long			id = (long)arg;
+ 
+ 	info = ksocknal_data.ksnd_sched_info[KSOCK_THREAD_CPT(id)];
+ 	sched = &info->ksi_scheds[KSOCK_THREAD_SID(id)];
+ 
+-	snprintf(name, sizeof(name), "socknal_sd%02d_%02d",
+-		 info->ksi_cpt, (int)(sched - &info->ksi_scheds[0]));
+-
+-	cfs_daemonize(name);
+ 	cfs_block_allsigs();
+ 
+ 	rc = cfs_cpt_bind(lnet_cpt_table(), info->ksi_cpt);
+ 	if (rc != 0) {
+-		CERROR("Can't set CPT affinity for %s to %d: %d\n",
+-		       name, info->ksi_cpt, rc);
++		CERROR("Can't set CPT affinity to %d: %d\n",
++		       info->ksi_cpt, rc);
+ 	}
+ 
+ 	spin_lock_bh(&sched->kss_lock);
+@@ -2023,6 +2018,7 @@ ksocknal_connect (ksock_route_t *route)
+ static int
+ ksocknal_connd_check_start(long sec, long *timeout)
+ {
++	char name[16];
+         int rc;
+         int total = ksocknal_data.ksnd_connd_starting +
+                     ksocknal_data.ksnd_connd_running;
+@@ -2060,7 +2056,8 @@ ksocknal_connd_check_start(long sec, long *timeout)
+ 	spin_unlock_bh(&ksocknal_data.ksnd_connd_lock);
+ 
+ 	/* NB: total is the next id */
+-	rc = ksocknal_thread_start(ksocknal_connd, (void *)((long)total));
++	snprintf(name, sizeof(name), "socknal_cd%02d", total);
++	rc = ksocknal_thread_start(ksocknal_connd, NULL, name);
+ 
+ 	spin_lock_bh(&ksocknal_data.ksnd_connd_lock);
+         if (rc == 0)
+@@ -2145,15 +2142,11 @@ int
+ ksocknal_connd (void *arg)
+ {
+ 	spinlock_t    *connd_lock = &ksocknal_data.ksnd_connd_lock;
+-        long               id = (long)(long_ptr_t)arg;
+-        char               name[16];
+         ksock_connreq_t   *cr;
+         cfs_waitlink_t     wait;
+         int                nloops = 0;
+         int                cons_retry = 0;
+ 
+-        snprintf (name, sizeof (name), "socknal_cd%02ld", id);
+-        cfs_daemonize (name);
+         cfs_block_allsigs ();
+ 
+         cfs_waitlink_init (&wait);
+@@ -2546,7 +2539,6 @@ ksocknal_reaper (void *arg)
+         int                peer_index = 0;
+         cfs_time_t         deadline = cfs_time_current();
+ 
+-        cfs_daemonize ("socknal_reaper");
+         cfs_block_allsigs ();
+ 
+         CFS_INIT_LIST_HEAD(&enomem_conns);
+diff --git a/lnet/lnet/acceptor.c b/lnet/lnet/acceptor.c
+index 9e9b236..9bdac05 100644
+--- a/lnet/lnet/acceptor.c
++++ b/lnet/lnet/acceptor.c
+@@ -389,7 +389,6 @@ lnet_accept(cfs_socket_t *sock, __u32 magic)
+ int
+ lnet_acceptor(void *arg)
+ {
+-        char           name[16];
+         cfs_socket_t  *newsock;
+         int            rc;
+         __u32          magic;
+@@ -399,8 +398,6 @@ lnet_acceptor(void *arg)
+ 
+         LASSERT (lnet_acceptor_state.pta_sock == NULL);
+ 
+-        snprintf(name, sizeof(name), "acceptor_%03d", accept_port);
+-        cfs_daemonize(name);
+         cfs_block_allsigs();
+ 
+         rc = libcfs_sock_listen(&lnet_acceptor_state.pta_sock,
+@@ -532,9 +529,11 @@ lnet_acceptor_start(void)
+ 	if (lnet_count_acceptor_nis() == 0)  /* not required */
+ 		return 0;
+ 
+-	rc2 = cfs_create_thread(lnet_acceptor, (void *)(ulong_ptr_t)secure, 0);
+-	if (rc2 < 0) {
+-		CERROR("Can't start acceptor thread: %d\n", rc);
++	rc2 = PTR_ERR(kthread_run(lnet_acceptor,
++				  (void *)(ulong_ptr_t)secure,
++				  "acceptor_%03ld", secure));
++	if (IS_ERR_VALUE(rc2)) {
++		CERROR("Can't start acceptor thread: %ld\n", rc2);
+ 		fini_completion(&lnet_acceptor_state.pta_signal);
+ 
+ 		return -ESRCH;
+diff --git a/lnet/lnet/module.c b/lnet/lnet/module.c
+index 770345d..9d57479 100644
+--- a/lnet/lnet/module.c
++++ b/lnet/lnet/module.c
+@@ -127,11 +127,11 @@ init_lnet(void)
+         rc = libcfs_register_ioctl(&lnet_ioctl_handler);
+         LASSERT (rc == 0);
+ 
+-        if (config_on_load) {
+-                /* Have to schedule a separate thread to avoid deadlocking
+-                 * in modload */
+-                (void) cfs_create_thread(lnet_configure, NULL, 0);
+-        }
++	if (config_on_load) {
++		/* Have to schedule a separate thread to avoid deadlocking
++		 * in modload */
++		(void) kthread_run(lnet_configure, NULL, "lnet_initd");
++	}
+ 
+         RETURN(0);
+ }
+diff --git a/lnet/lnet/router.c b/lnet/lnet/router.c
+index 80c0a59..50495a6 100644
+--- a/lnet/lnet/router.c
++++ b/lnet/lnet/router.c
+@@ -1095,16 +1095,17 @@ lnet_router_checker_start(void)
+ 
+         the_lnet.ln_rc_state = LNET_RC_STATE_RUNNING;
+ #ifdef __KERNEL__
+-        rc = cfs_create_thread(lnet_router_checker, NULL, 0);
+-        if (rc < 0) {
+-                CERROR("Can't start router checker thread: %d\n", rc);
+-                /* block until event callback signals exit */
++	rc = PTR_ERR(kthread_run(lnet_router_checker,
++				 NULL, "router_checker"));
++	if (IS_ERR_VALUE(rc)) {
++		CERROR("Can't start router checker thread: %d\n", rc);
++		/* block until event callback signals exit */
+ 		down(&the_lnet.ln_rc_signal);
+-                rc = LNetEQFree(the_lnet.ln_rc_eqh);
+-                LASSERT (rc == 0);
+-                the_lnet.ln_rc_state = LNET_RC_STATE_SHUTDOWN;
+-                return -ENOMEM;
+-        }
++		rc = LNetEQFree(the_lnet.ln_rc_eqh);
++		LASSERT(rc == 0);
++		the_lnet.ln_rc_state = LNET_RC_STATE_SHUTDOWN;
++		return -ENOMEM;
++	}
+ #endif
+ 
+         if (check_routers_before_use) {
+@@ -1230,7 +1231,6 @@ lnet_router_checker(void *arg)
+         lnet_peer_t       *rtr;
+         cfs_list_t        *entry;
+ 
+-        cfs_daemonize("router_checker");
+         cfs_block_allsigs();
+ 
+         LASSERT (the_lnet.ln_rc_state == LNET_RC_STATE_RUNNING);
+diff --git a/lnet/selftest/timer.c b/lnet/selftest/timer.c
+index a66a336..f2f8262 100644
+--- a/lnet/selftest/timer.c
++++ b/lnet/selftest/timer.c
+@@ -183,7 +183,6 @@ stt_timer_main (void *arg)
+ 
+         SET_BUT_UNUSED(rc);
+ 
+-        cfs_daemonize("st_timer");
+         cfs_block_allsigs();
+ 
+         while (!stt_data.stt_shuttingdown) {
+@@ -204,13 +203,13 @@ stt_timer_main (void *arg)
+ int
+ stt_start_timer_thread (void)
+ {
+-        long pid;
++	cfs_task_t *task;
+ 
+-        LASSERT (!stt_data.stt_shuttingdown);
++	LASSERT(!stt_data.stt_shuttingdown);
+ 
+-        pid = cfs_create_thread(stt_timer_main, NULL, 0);
+-        if (pid < 0)
+-                return (int)pid;
++	task = kthread_run(stt_timer_main, NULL, "st_timer");
++	if (IS_ERR(task))
++		return PTR_ERR(task);
+ 
+ 	spin_lock(&stt_data.stt_lock);
+ 	stt_data.stt_nthreads++;
+diff --git a/lnet/ulnds/socklnd/usocklnd.c b/lnet/ulnds/socklnd/usocklnd.c
+index cc8c4c8..d4d5027 100644
+--- a/lnet/ulnds/socklnd/usocklnd.c
++++ b/lnet/ulnds/socklnd/usocklnd.c
+@@ -296,14 +296,15 @@ usocklnd_base_startup()
+         pthread_rwlock_init(&usock_data.ud_peers_lock, NULL);
+ 
+         /* Spawn poll threads */
+-        for (i = 0; i < usock_data.ud_npollthreads; i++) {
+-                rc = cfs_create_thread(usocklnd_poll_thread,
+-                                       &usock_data.ud_pollthreads[i], 0);
+-                if (rc) {
+-                        usocklnd_base_shutdown(i);
+-                        return rc;
+-                }
+-        }
++	for (i = 0; i < usock_data.ud_npollthreads; i++) {
++		rc = PTR_ERR(kthread_run(usocklnd_poll_thread,
++					     &usock_data.ud_pollthreads[i],
++					     ""));
++		if (IS_ERR_VALUE(rc)) {
++			usocklnd_base_shutdown(i);
++			return rc;
++		}
++	}
+ 
+         usock_data.ud_state = UD_STATE_INITIALIZED;
+ 
+diff --git a/lustre/ldlm/ldlm_lib.c b/lustre/ldlm/ldlm_lib.c
+index 2e3a1d5..e61583a 100644
+--- a/lustre/ldlm/ldlm_lib.c
++++ b/lustre/ldlm/ldlm_lib.c
+@@ -1975,19 +1975,12 @@ static int target_recovery_thread(void *arg)
+         struct ptlrpc_request *req;
+         struct target_recovery_data *trd = &obd->obd_recovery_data;
+         unsigned long delta;
+-        unsigned long flags;
+         struct lu_env *env;
+         struct ptlrpc_thread *thread = NULL;
+         int rc = 0;
+         ENTRY;
+ 
+-        cfs_daemonize_ctxt("tgt_recov");
+-
+-        SIGNAL_MASK_LOCK(current, flags);
+-        sigfillset(&current->blocked);
+-        RECALC_SIGPENDING;
+-        SIGNAL_MASK_UNLOCK(current, flags);
+-
++	unshare_fs_struct();
+         OBD_ALLOC_PTR(thread);
+         if (thread == NULL)
+                 RETURN(-ENOMEM);
+@@ -2112,22 +2105,24 @@ static int target_recovery_thread(void *arg)
+ static int target_start_recovery_thread(struct lu_target *lut,
+                                         svc_handler_t handler)
+ {
+-        struct obd_device *obd = lut->lut_obd;
+-        int rc = 0;
+-        struct target_recovery_data *trd = &obd->obd_recovery_data;
++	struct obd_device *obd = lut->lut_obd;
++	int rc = 0;
++	struct target_recovery_data *trd = &obd->obd_recovery_data;
+ 
+-        memset(trd, 0, sizeof(*trd));
++	memset(trd, 0, sizeof(*trd));
+ 	init_completion(&trd->trd_starting);
+ 	init_completion(&trd->trd_finishing);
+-        trd->trd_recovery_handler = handler;
++	trd->trd_recovery_handler = handler;
+ 
+-        if (cfs_create_thread(target_recovery_thread, lut, 0) > 0) {
++	if (!IS_ERR(kthread_run(target_recovery_thread,
++				lut, "tgt_recov"))) {
+ 		wait_for_completion(&trd->trd_starting);
+-                LASSERT(obd->obd_recovering != 0);
+-        } else
+-                rc = -ECHILD;
++		LASSERT(obd->obd_recovering != 0);
++	} else {
++		rc = -ECHILD;
++	}
+ 
+-        return rc;
++	return rc;
+ }
+ 
+ void target_stop_recovery_thread(struct obd_device *obd)
+diff --git a/lustre/ldlm/ldlm_lockd.c b/lustre/ldlm/ldlm_lockd.c
+index 31925ff..3a9bf14 100644
+--- a/lustre/ldlm/ldlm_lockd.c
++++ b/lustre/ldlm/ldlm_lockd.c
+@@ -178,7 +178,6 @@ static int expired_lock_main(void *arg)
+         int do_dump;
+ 
+         ENTRY;
+-        cfs_daemonize("ldlm_elt");
+ 
+         expired_lock_thread.elt_state = ELT_READY;
+         cfs_waitq_signal(&expired_lock_thread.elt_waitq);
+@@ -2570,14 +2569,17 @@ static int ldlm_bl_thread_main(void *arg);
+ static int ldlm_bl_thread_start(struct ldlm_bl_pool *blp)
+ {
+ 	struct ldlm_bl_thread_data bltd = { .bltd_blp = blp };
+-	int rc;
++	cfs_task_t *task;
+ 
+ 	init_completion(&bltd.bltd_comp);
+-	rc = cfs_create_thread(ldlm_bl_thread_main, &bltd, 0);
+-	if (rc < 0) {
+-		CERROR("cannot start LDLM thread ldlm_bl_%02d: rc %d\n",
+-		       cfs_atomic_read(&blp->blp_num_threads), rc);
+-		return rc;
++	bltd.bltd_num = cfs_atomic_read(&blp->blp_num_threads);
++	snprintf(bltd.bltd_name, sizeof(bltd.bltd_name) - 1,
++		"ldlm_bl_%02d", bltd.bltd_num);
++	task = kthread_run(ldlm_bl_thread_main, &bltd, bltd.bltd_name);
++	if (IS_ERR(task)) {
++		CERROR("cannot start LDLM thread ldlm_bl_%02d: rc %ld\n",
++		       cfs_atomic_read(&blp->blp_num_threads), PTR_ERR(task));
++		return PTR_ERR(task);
+ 	}
+ 	wait_for_completion(&bltd.bltd_comp);
+ 
+@@ -2601,14 +2603,9 @@ static int ldlm_bl_thread_main(void *arg)
+ 
+                 blp = bltd->bltd_blp;
+ 
+-                bltd->bltd_num =
+-                        cfs_atomic_inc_return(&blp->blp_num_threads) - 1;
++		cfs_atomic_inc(&blp->blp_num_threads);
+                 cfs_atomic_inc(&blp->blp_busy_threads);
+ 
+-                snprintf(bltd->bltd_name, sizeof(bltd->bltd_name) - 1,
+-                        "ldlm_bl_%02d", bltd->bltd_num);
+-                cfs_daemonize(bltd->bltd_name);
+-
+ 		complete(&bltd->bltd_comp);
+                 /* cannot use bltd after this, it is only on caller's stack */
+         }
+@@ -2948,22 +2945,22 @@ static int ldlm_setup(void)
+ 	}
+ 
+ # ifdef HAVE_SERVER_SUPPORT
+-        CFS_INIT_LIST_HEAD(&expired_lock_thread.elt_expired_locks);
+-        expired_lock_thread.elt_state = ELT_STOPPED;
+-        cfs_waitq_init(&expired_lock_thread.elt_waitq);
++	CFS_INIT_LIST_HEAD(&expired_lock_thread.elt_expired_locks);
++	expired_lock_thread.elt_state = ELT_STOPPED;
++	cfs_waitq_init(&expired_lock_thread.elt_waitq);
+ 
+-        CFS_INIT_LIST_HEAD(&waiting_locks_list);
++	CFS_INIT_LIST_HEAD(&waiting_locks_list);
+ 	spin_lock_init(&waiting_locks_spinlock);
+-        cfs_timer_init(&waiting_locks_timer, waiting_locks_callback, 0);
++	cfs_timer_init(&waiting_locks_timer, waiting_locks_callback, 0);
+ 
+-        rc = cfs_create_thread(expired_lock_main, NULL, CFS_DAEMON_FLAGS);
+-	if (rc < 0) {
++	rc = PTR_ERR(kthread_run(expired_lock_main, NULL, "ldlm_elt"));
++	if (IS_ERR_VALUE(rc)) {
+ 		CERROR("Cannot start ldlm expired-lock thread: %d\n", rc);
+ 		GOTO(out, rc);
+ 	}
+ 
+-        cfs_wait_event(expired_lock_thread.elt_waitq,
+-                       expired_lock_thread.elt_state == ELT_READY);
++	cfs_wait_event(expired_lock_thread.elt_waitq,
++		       expired_lock_thread.elt_state == ELT_READY);
+ # endif /* HAVE_SERVER_SUPPORT */
+ 
+ 	rc = ldlm_pools_init();
+diff --git a/lustre/ldlm/ldlm_pool.c b/lustre/ldlm/ldlm_pool.c
+index d724a2d..fa14f66 100644
+--- a/lustre/ldlm/ldlm_pool.c
++++ b/lustre/ldlm/ldlm_pool.c
+@@ -1295,15 +1295,13 @@ EXPORT_SYMBOL(ldlm_pools_recalc);
+ static int ldlm_pools_thread_main(void *arg)
+ {
+         struct ptlrpc_thread *thread = (struct ptlrpc_thread *)arg;
+-        char *t_name = "ldlm_poold";
+         ENTRY;
+ 
+-        cfs_daemonize(t_name);
+         thread_set_flags(thread, SVC_RUNNING);
+         cfs_waitq_signal(&thread->t_ctl_waitq);
+ 
+         CDEBUG(D_DLMTRACE, "%s: pool thread starting, process %d\n",
+-               t_name, cfs_curproc_pid());
++		"ldlm_poold", cfs_curproc_pid());
+ 
+         while (1) {
+                 struct l_wait_info lwi;
+@@ -1335,43 +1333,38 @@ static int ldlm_pools_thread_main(void *arg)
+         cfs_waitq_signal(&thread->t_ctl_waitq);
+ 
+         CDEBUG(D_DLMTRACE, "%s: pool thread exiting, process %d\n",
+-               t_name, cfs_curproc_pid());
++		"ldlm_poold", cfs_curproc_pid());
+ 
+ 	complete_and_exit(&ldlm_pools_comp, 0);
+ }
+ 
+ static int ldlm_pools_thread_start(void)
+ {
+-        struct l_wait_info lwi = { 0 };
+-        int rc;
+-        ENTRY;
++	struct l_wait_info lwi = { 0 };
++	cfs_task_t *task;
++	ENTRY;
+ 
+-        if (ldlm_pools_thread != NULL)
+-                RETURN(-EALREADY);
++	if (ldlm_pools_thread != NULL)
++		RETURN(-EALREADY);
+ 
+-        OBD_ALLOC_PTR(ldlm_pools_thread);
+-        if (ldlm_pools_thread == NULL)
+-                RETURN(-ENOMEM);
++	OBD_ALLOC_PTR(ldlm_pools_thread);
++	if (ldlm_pools_thread == NULL)
++		RETURN(-ENOMEM);
+ 
+ 	init_completion(&ldlm_pools_comp);
+-        cfs_waitq_init(&ldlm_pools_thread->t_ctl_waitq);
+-
+-        /*
+-         * CLONE_VM and CLONE_FILES just avoid a needless copy, because we
+-         * just drop the VM and FILES in cfs_daemonize() right away.
+-         */
+-        rc = cfs_create_thread(ldlm_pools_thread_main, ldlm_pools_thread,
+-                               CFS_DAEMON_FLAGS);
+-        if (rc < 0) {
+-                CERROR("Can't start pool thread, error %d\n",
+-                       rc);
+-                OBD_FREE(ldlm_pools_thread, sizeof(*ldlm_pools_thread));
+-                ldlm_pools_thread = NULL;
+-                RETURN(rc);
+-        }
+-        l_wait_event(ldlm_pools_thread->t_ctl_waitq,
+-                     thread_is_running(ldlm_pools_thread), &lwi);
+-        RETURN(0);
++	cfs_waitq_init(&ldlm_pools_thread->t_ctl_waitq);
++
++	task = kthread_run(ldlm_pools_thread_main, ldlm_pools_thread,
++			   "ldlm_poold");
++	if (IS_ERR(task)) {
++		CERROR("Can't start pool thread, error %ld\n", PTR_ERR(task));
++		OBD_FREE(ldlm_pools_thread, sizeof(*ldlm_pools_thread));
++		ldlm_pools_thread = NULL;
++		RETURN(PTR_ERR(task));
++	}
++	l_wait_event(ldlm_pools_thread->t_ctl_waitq,
++		     thread_is_running(ldlm_pools_thread), &lwi);
++	RETURN(0);
+ }
+ 
+ static void ldlm_pools_thread_stop(void)
+diff --git a/lustre/llite/llite_capa.c b/lustre/llite/llite_capa.c
+index 1d489e6..5e269b3 100644
+--- a/lustre/llite/llite_capa.c
++++ b/lustre/llite/llite_capa.c
+@@ -173,8 +173,6 @@ static int capa_thread_main(void *unused)
+         int rc;
+         ENTRY;
+ 
+-        cfs_daemonize("ll_capa");
+-
+         thread_set_flags(&ll_capa_thread, SVC_RUNNING);
+         cfs_waitq_signal(&ll_capa_thread.t_ctl_waitq);
+ 
+@@ -293,20 +291,21 @@ void ll_capa_timer_callback(unsigned long unused)
+ 
+ int ll_capa_thread_start(void)
+ {
+-        int rc;
+-        ENTRY;
++	cfs_task_t *task;
++	ENTRY;
+ 
+-        cfs_waitq_init(&ll_capa_thread.t_ctl_waitq);
++	cfs_waitq_init(&ll_capa_thread.t_ctl_waitq);
+ 
+-        rc = cfs_create_thread(capa_thread_main, NULL, 0);
+-        if (rc < 0) {
+-                CERROR("cannot start expired capa thread: rc %d\n", rc);
+-                RETURN(rc);
+-        }
+-        cfs_wait_event(ll_capa_thread.t_ctl_waitq,
+-                       thread_is_running(&ll_capa_thread));
++	task = kthread_run(capa_thread_main, NULL, "ll_capa");
++	if (IS_ERR(task)) {
++		CERROR("cannot start expired capa thread: rc %ld\n",
++			PTR_ERR(task));
++		RETURN(PTR_ERR(task));
++	}
++	cfs_wait_event(ll_capa_thread.t_ctl_waitq,
++		       thread_is_running(&ll_capa_thread));
+ 
+-        RETURN(0);
++	RETURN(0);
+ }
+ 
+ void ll_capa_thread_stop(void)
+diff --git a/lustre/llite/llite_close.c b/lustre/llite/llite_close.c
+index 26a2c8c..f1a1415 100644
+--- a/lustre/llite/llite_close.c
++++ b/lustre/llite/llite_close.c
+@@ -349,12 +349,6 @@ static int ll_close_thread(void *arg)
+         struct ll_close_queue *lcq = arg;
+         ENTRY;
+ 
+-        {
+-                char name[CFS_CURPROC_COMM_MAX];
+-                snprintf(name, sizeof(name) - 1, "ll_close");
+-                cfs_daemonize(name);
+-        }
+-
+ 	complete(&lcq->lcq_comp);
+ 
+         while (1) {
+@@ -382,25 +376,25 @@ static int ll_close_thread(void *arg)
+ 
+ int ll_close_thread_start(struct ll_close_queue **lcq_ret)
+ {
+-        struct ll_close_queue *lcq;
+-        pid_t pid;
++	struct ll_close_queue *lcq;
++	cfs_task_t *task;
+ 
+-        if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CLOSE_THREAD))
+-                return -EINTR;
++	if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CLOSE_THREAD))
++		return -EINTR;
+ 
+-        OBD_ALLOC(lcq, sizeof(*lcq));
+-        if (lcq == NULL)
+-                return -ENOMEM;
++	OBD_ALLOC(lcq, sizeof(*lcq));
++	if (lcq == NULL)
++		return -ENOMEM;
+ 
+ 	spin_lock_init(&lcq->lcq_lock);
+ 	CFS_INIT_LIST_HEAD(&lcq->lcq_head);
+ 	cfs_waitq_init(&lcq->lcq_waitq);
+ 	init_completion(&lcq->lcq_comp);
+ 
+-	pid = cfs_create_thread(ll_close_thread, lcq, 0);
+-	if (pid < 0) {
++	task = kthread_run(ll_close_thread, lcq, "ll_close");
++	if (IS_ERR(task)) {
+ 		OBD_FREE(lcq, sizeof(*lcq));
+-		return pid;
++		return PTR_ERR(task);
+ 	}
+ 
+ 	wait_for_completion(&lcq->lcq_comp);
+diff --git a/lustre/llite/lloop.c b/lustre/llite/lloop.c
+index 4c58181..1d4e2e8 100644
+--- a/lustre/llite/lloop.c
++++ b/lustre/llite/lloop.c
+@@ -420,8 +420,6 @@ static int loop_thread(void *data)
+         int refcheck;
+         int ret = 0;
+ 
+-        daemonize("lloop%d", lo->lo_number);
+-
+         set_user_nice(current, -20);
+ 
+         lo->lo_state = LLOOP_BOUND;
+@@ -552,13 +550,13 @@ static int loop_set_fd(struct lloop_device *lo, struct file *unused,
+         set_capacity(disks[lo->lo_number], size);
+         bd_set_size(bdev, size << 9);
+ 
+-        set_blocksize(bdev, lo->lo_blocksize);
++	set_blocksize(bdev, lo->lo_blocksize);
+ 
+-        cfs_create_thread(loop_thread, lo, CLONE_KERNEL);
++	kthread_run(loop_thread, lo, "lloop%d", lo->lo_number);
+ 	down(&lo->lo_sem);
+-        return 0;
++	return 0;
+ 
+- out:
++out:
+         /* This is safe: open() is still holding a reference. */
+         cfs_module_put(THIS_MODULE);
+         return error;
+diff --git a/lustre/llite/statahead.c b/lustre/llite/statahead.c
+index 6d5b7af..3211557 100644
+--- a/lustre/llite/statahead.c
++++ b/lustre/llite/statahead.c
+@@ -981,12 +981,6 @@ static int ll_agl_thread(void *arg)
+         struct l_wait_info        lwi    = { 0 };
+         ENTRY;
+ 
+-        {
+-                char pname[16];
+-                snprintf(pname, 15, "ll_agl_%u", plli->lli_opendir_pid);
+-                cfs_daemonize(pname);
+-        }
+-
+         CDEBUG(D_READA, "agl thread started: [pid %d] [parent %.*s]\n",
+                cfs_curproc_pid(), parent->d_name.len, parent->d_name.name);
+ 
+@@ -1040,25 +1034,28 @@ static int ll_agl_thread(void *arg)
+ 
+ static void ll_start_agl(struct dentry *parent, struct ll_statahead_info *sai)
+ {
+-        struct ptlrpc_thread *thread = &sai->sai_agl_thread;
+-        struct l_wait_info    lwi    = { 0 };
+-        int                   rc;
+-        ENTRY;
++	struct ptlrpc_thread *thread = &sai->sai_agl_thread;
++	struct l_wait_info    lwi    = { 0 };
++	struct ll_inode_info  *plli;
++	cfs_task_t	      *task;
++	ENTRY;
+ 
+-        CDEBUG(D_READA, "start agl thread: [pid %d] [parent %.*s]\n",
+-               cfs_curproc_pid(), parent->d_name.len, parent->d_name.name);
++	CDEBUG(D_READA, "start agl thread: [pid %d] [parent %.*s]\n",
++	       cfs_curproc_pid(), parent->d_name.len, parent->d_name.name);
+ 
+-        rc = cfs_create_thread(ll_agl_thread, parent, 0);
+-        if (rc < 0) {
+-                CERROR("can't start ll_agl thread, rc: %d\n", rc);
+-                thread_set_flags(thread, SVC_STOPPED);
+-                RETURN_EXIT;
+-        }
++	plli = ll_i2info(parent->d_inode);
++	task = kthread_run(ll_agl_thread, parent,
++			       "ll_agl_%u", plli->lli_opendir_pid);
++	if (IS_ERR(task)) {
++		CERROR("can't start ll_agl thread, rc: %ld\n", PTR_ERR(task));
++		thread_set_flags(thread, SVC_STOPPED);
++		RETURN_EXIT;
++	}
+ 
+-        l_wait_event(thread->t_ctl_waitq,
+-                     thread_is_running(thread) || thread_is_stopped(thread),
+-                     &lwi);
+-        EXIT;
++	l_wait_event(thread->t_ctl_waitq,
++		     thread_is_running(thread) || thread_is_stopped(thread),
++		     &lwi);
++	EXIT;
+ }
+ 
+ static int ll_statahead_thread(void *arg)
+@@ -1079,12 +1076,6 @@ static int ll_statahead_thread(void *arg)
+         struct l_wait_info        lwi    = { 0 };
+         ENTRY;
+ 
+-        {
+-                char pname[16];
+-                snprintf(pname, 15, "ll_sa_%u", plli->lli_opendir_pid);
+-                cfs_daemonize(pname);
+-        }
+-
+         CDEBUG(D_READA, "statahead thread started: [pid %d] [parent %.*s]\n",
+                cfs_curproc_pid(), parent->d_name.len, parent->d_name.name);
+ 
+@@ -1548,6 +1539,7 @@ int do_statahead_enter(struct inode *dir, struct dentry **dentryp,
+         struct ptlrpc_thread     *thread;
+         struct l_wait_info        lwi   = { 0 };
+         int                       rc    = 0;
++	struct ll_inode_info     *plli;
+         ENTRY;
+ 
+         LASSERT(lli->lli_opendir_pid == cfs_curproc_pid());
+@@ -1693,11 +1685,14 @@ int do_statahead_enter(struct inode *dir, struct dentry **dentryp,
+                cfs_curproc_pid(), parent->d_name.len, parent->d_name.name);
+ 
+         lli->lli_sai = sai;
+-        rc = cfs_create_thread(ll_statahead_thread, parent, 0);
+-        thread = &sai->sai_thread;
+-        if (rc < 0) {
+-                CERROR("can't start ll_sa thread, rc: %d\n", rc);
+-                dput(parent);
++
++	plli = ll_i2info(parent->d_inode);
++	rc = PTR_ERR(kthread_run(ll_statahead_thread, parent,
++				 "ll_sa_%u", plli->lli_opendir_pid));
++	thread = &sai->sai_thread;
++	if (IS_ERR_VALUE(rc)) {
++		CERROR("can't start ll_sa thread, rc: %d\n", rc);
++		dput(parent);
+                 lli->lli_opendir_key = NULL;
+                 thread_set_flags(thread, SVC_STOPPED);
+                 thread_set_flags(&sai->sai_agl_thread, SVC_STOPPED);
+diff --git a/lustre/mdc/mdc_request.c b/lustre/mdc/mdc_request.c
+index c9aa7a0..ead4bcf 100644
+--- a/lustre/mdc/mdc_request.c
++++ b/lustre/mdc/mdc_request.c
+@@ -1566,13 +1566,6 @@ static int mdc_changelog_send_thread(void *csdata)
+         CDEBUG(D_CHANGELOG, "changelog to fp=%p start "LPU64"\n",
+                cs->cs_fp, cs->cs_startrec);
+ 
+-        /*
+-         * It's important to daemonize here to close unused FDs.
+-         * The write fd from pipe is already opened by the caller,
+-         * so it's fine to clear all files here
+-         */
+-        cfs_daemonize("mdc_clg_send_thread");
+-
+         OBD_ALLOC(cs->cs_buf, CR_MAXSIZE);
+         if (cs->cs_buf == NULL)
+                 GOTO(out, rc = -ENOMEM);
+@@ -1609,12 +1602,10 @@ out:
+ 		llog_cat_close(NULL, llh);
+         if (ctxt)
+                 llog_ctxt_put(ctxt);
+-        if (cs->cs_buf)
+-                OBD_FREE(cs->cs_buf, CR_MAXSIZE);
+-        OBD_FREE_PTR(cs);
+-        /* detach from parent process so we get cleaned up */
+-        cfs_daemonize("cl_send");
+-        return rc;
++	if (cs->cs_buf)
++		OBD_FREE(cs->cs_buf, CR_MAXSIZE);
++	OBD_FREE_PTR(cs);
++	return rc;
+ }
+ 
+ static int mdc_ioc_changelog_send(struct obd_device *obd,
+@@ -1634,13 +1625,16 @@ static int mdc_ioc_changelog_send(struct obd_device *obd,
+ 	cs->cs_fp = fget(icc->icc_id);
+ 	cs->cs_flags = icc->icc_flags;
+ 
+-        /* New thread because we should return to user app before
+-           writing into our pipe */
+-        rc = cfs_create_thread(mdc_changelog_send_thread, cs, CFS_DAEMON_FLAGS);
+-        if (rc >= 0) {
+-                CDEBUG(D_CHANGELOG, "start changelog thread: %d\n", rc);
+-                return 0;
+-        }
++	/*
++	 * New thread because we should return to user app before
++	 * writing into our pipe
++	 */
++        rc = PTR_ERR(kthread_run(mdc_changelog_send_thread, cs,
++				 "mdc_clg_send_thread"));
++	if (!IS_ERR_VALUE(rc)) {
++		CDEBUG(D_CHANGELOG, "start changelog thread\n");
++		return 0;
++	}
+ 
+         CERROR("Failed to start changelog thread: %d\n", rc);
+         OBD_FREE_PTR(cs);
+diff --git a/lustre/mdd/mdd_lfsck.c b/lustre/mdd/mdd_lfsck.c
+index 9d7b54c..7ced9dd 100644
+--- a/lustre/mdd/mdd_lfsck.c
++++ b/lustre/mdd/mdd_lfsck.c
+@@ -2525,8 +2525,7 @@ static int mdd_lfsck_main(void *args)
+ 	int			 rc;
+ 	ENTRY;
+ 
+-	cfs_daemonize("lfsck");
+-	rc = lu_env_init(&env, LCT_MD_THREAD);
++	rc = lu_env_init(&env, LCT_MD_THREAD | LCT_DT_THREAD);
+ 	if (rc != 0) {
+ 		CERROR("%s: LFSCK, fail to init env, rc = %d\n",
+ 		       mdd_lfsck2name(lfsck), rc);
+@@ -2789,8 +2788,8 @@ trigger:
+ 
+ 	lfsck->ml_args_oit = (flags << DT_OTABLE_IT_FLAGS_SHIFT) | valid;
+ 	thread_set_flags(thread, 0);
+-	rc = cfs_create_thread(mdd_lfsck_main, lfsck, 0);
+-	if (rc < 0)
++	rc = PTR_ERR(kthread_run(mdd_lfsck_main, lfsck, "lfsck"));
++	if (IS_ERR_VALUE(rc))
+ 		CERROR("%s: cannot start LFSCK thread, rc = %d\n",
+ 		       mdd_lfsck2name(lfsck), rc);
+ 	else
+diff --git a/lustre/mdt/mdt_capa.c b/lustre/mdt/mdt_capa.c
+index 76e2c6f..d4a8bc4 100644
+--- a/lustre/mdt/mdt_capa.c
++++ b/lustre/mdt/mdt_capa.c
+@@ -218,7 +218,7 @@ static int mdt_ck_thread_main(void *args)
+         int                     rc;
+         ENTRY;
+ 
+-        cfs_daemonize_ctxt("mdt_ck");
++	unshare_fs_struct();
+         cfs_block_allsigs();
+ 
+         thread_set_flags(thread, SVC_RUNNING);
+@@ -290,18 +290,18 @@ static int mdt_ck_thread_main(void *args)
+ 
+ int mdt_ck_thread_start(struct mdt_device *mdt)
+ {
+-        struct ptlrpc_thread *thread = &mdt->mdt_ck_thread;
+-        int rc;
+-
+-        cfs_waitq_init(&thread->t_ctl_waitq);
+-        rc = cfs_create_thread(mdt_ck_thread_main, mdt, CFS_DAEMON_FLAGS);
+-        if (rc < 0) {
+-                CERROR("cannot start mdt_ck thread, rc = %d\n", rc);
+-                return rc;
+-        }
+-
+-        l_wait_condition(thread->t_ctl_waitq, thread_is_running(thread));
+-        return 0;
++	struct ptlrpc_thread *thread = &mdt->mdt_ck_thread;
++	cfs_task_t *task;
++
++	cfs_waitq_init(&thread->t_ctl_waitq);
++	task = kthread_run(mdt_ck_thread_main, mdt, "mdt_ck");
++	if (IS_ERR(task)) {
++		CERROR("cannot start mdt_ck thread, rc = %ld\n", PTR_ERR(task));
++		return PTR_ERR(task);
++	}
++
++	l_wait_condition(thread->t_ctl_waitq, thread_is_running(thread));
++	return 0;
+ }
+ 
+ void mdt_ck_thread_stop(struct mdt_device *mdt)
+diff --git a/lustre/mgc/mgc_request.c b/lustre/mgc/mgc_request.c
+index 6b84a29..f7e6514 100644
+--- a/lustre/mgc/mgc_request.c
++++ b/lustre/mgc/mgc_request.c
+@@ -480,12 +480,9 @@ static void do_requeue(struct config_llog_data *cld)
+ 
+ static int mgc_requeue_thread(void *data)
+ {
+-        char name[] = "ll_cfg_requeue";
+         int rc = 0;
+         ENTRY;
+ 
+-        cfs_daemonize(name);
+-
+         CDEBUG(D_MGC, "Starting requeue thread\n");
+ 
+         /* Keep trying failed locks periodically */
+@@ -776,20 +773,20 @@ static int mgc_setup(struct obd_device *obd, struct lustre_cfg *lcfg)
+         sptlrpc_lprocfs_cliobd_attach(obd);
+ 
+         if (cfs_atomic_inc_return(&mgc_count) == 1) {
+-                rq_state = 0;
+-                cfs_waitq_init(&rq_waitq);
+-
+-                /* start requeue thread */
+-                rc = cfs_create_thread(mgc_requeue_thread, NULL,
+-                                       CFS_DAEMON_FLAGS);
+-                if (rc < 0) {
+-                        CERROR("%s: Cannot start requeue thread (%d),"
+-                               "no more log updates!\n",
+-                               obd->obd_name, rc);
+-                        GOTO(err_cleanup, rc);
+-                }
+-                /* rc is the pid of mgc_requeue_thread. */
+-                rc = 0;
++		rq_state = 0;
++		cfs_waitq_init(&rq_waitq);
++
++		/* start requeue thread */
++		rc = PTR_ERR(kthread_run(mgc_requeue_thread, NULL,
++					     "ll_cfg_requeue"));
++		if (IS_ERR_VALUE(rc)) {
++			CERROR("%s: Cannot start requeue thread (%d),"
++			       "no more log updates!\n",
++			       obd->obd_name, rc);
++			GOTO(err_cleanup, rc);
++		}
++		/* rc is the pid of mgc_requeue_thread. */
++		rc = 0;
+         }
+ 
+         RETURN(rc);
+diff --git a/lustre/mgs/mgs_nids.c b/lustre/mgs/mgs_nids.c
+index 781250f..e6abdc4 100644
+--- a/lustre/mgs/mgs_nids.c
++++ b/lustre/mgs/mgs_nids.c
+@@ -440,7 +440,6 @@ static int mgs_ir_notify(void *arg)
+ 
+         LASSERTF(sizeof(name) < 32, "name is too large to be in stack.\n");
+         sprintf(name, "mgs_%s_notify", fsdb->fsdb_name);
+-        cfs_daemonize(name);
+ 
+ 	complete(&fsdb->fsdb_notify_comp);
+ 
+@@ -471,7 +470,7 @@ static int mgs_ir_notify(void *arg)
+ int mgs_ir_init_fs(const struct lu_env *env, struct mgs_device *mgs,
+ 		   struct fs_db *fsdb)
+ {
+-        int rc;
++	cfs_task_t *task;
+ 
+         if (!ir_timeout)
+                 ir_timeout = OBD_IR_MGS_TIMEOUT;
+@@ -488,11 +487,13 @@ int mgs_ir_init_fs(const struct lu_env *env, struct mgs_device *mgs,
+         cfs_atomic_set(&fsdb->fsdb_notify_phase, 0);
+         cfs_waitq_init(&fsdb->fsdb_notify_waitq);
+ 	init_completion(&fsdb->fsdb_notify_comp);
+-        rc = cfs_create_thread(mgs_ir_notify, fsdb, CFS_DAEMON_FLAGS);
+-        if (rc > 0)
++
++	task = kthread_run(mgs_ir_notify, fsdb,
++			       "mgs_%s_notify", fsdb->fsdb_name);
++	if (IS_ERR(task))
+ 		wait_for_completion(&fsdb->fsdb_notify_comp);
+-        else
+-                CERROR("Start notify thread error %d\n", rc);
++	else
++		CERROR("Start notify thread error %ld\n", PTR_ERR(task));
+ 
+ 	mgs_nidtbl_init_fs(env, fsdb);
+         return 0;
+diff --git a/lustre/obdclass/genops.c b/lustre/obdclass/genops.c
+index 436aa4d..0e29783 100644
+--- a/lustre/obdclass/genops.c
++++ b/lustre/obdclass/genops.c
+@@ -1744,14 +1744,7 @@ EXPORT_SYMBOL(obd_zombie_barrier);
+  */
+ static int obd_zombie_impexp_thread(void *unused)
+ {
+-	int rc;
+-
+-	rc = cfs_daemonize_ctxt("obd_zombid");
+-	if (rc != 0) {
+-		complete(&obd_zombie_start);
+-		RETURN(rc);
+-	}
+-
++	unshare_fs_struct();
+ 	complete(&obd_zombie_start);
+ 
+ 	obd_zombie_pid = cfs_curproc_pid();
+@@ -1800,7 +1793,9 @@ int obd_zombie_impexp_kill(void *arg)
+  */
+ int obd_zombie_impexp_init(void)
+ {
+-	int rc;
++#ifdef __KERNEL__
++	cfs_task_t *task;
++#endif
+ 
+ 	CFS_INIT_LIST_HEAD(&obd_zombie_imports);
+ 	CFS_INIT_LIST_HEAD(&obd_zombie_exports);
+@@ -1811,9 +1806,9 @@ int obd_zombie_impexp_init(void)
+ 	obd_zombie_pid = 0;
+ 
+ #ifdef __KERNEL__
+-	rc = cfs_create_thread(obd_zombie_impexp_thread, NULL, 0);
+-	if (rc < 0)
+-		RETURN(rc);
++	task = kthread_run(obd_zombie_impexp_thread, NULL, "obd_zombid");
++	if (IS_ERR(task))
++		RETURN(PTR_ERR(task));
+ 
+ 	wait_for_completion(&obd_zombie_start);
+ #else
+@@ -1825,9 +1820,8 @@ int obd_zombie_impexp_init(void)
+         obd_zombie_impexp_idle_cb =
+                 liblustre_register_idle_callback("obd_zombi_impexp_check",
+                                                  &obd_zombie_impexp_check, NULL);
+-        rc = 0;
+ #endif
+-        RETURN(rc);
++	RETURN(0);
+ }
+ /**
+  * stop destroy zombie import/export thread
+diff --git a/lustre/obdclass/llog.c b/lustre/obdclass/llog.c
+index 62c496b..d85b048 100644
+--- a/lustre/obdclass/llog.c
++++ b/lustre/obdclass/llog.c
+@@ -438,7 +438,7 @@ static int llog_process_thread_daemonize(void *arg)
+ 	struct lu_env			 env;
+ 	int				 rc;
+ 
+-	cfs_daemonize_ctxt("llog_process_thread");
++	unshare_fs_struct();
+ 
+ 	/* client env has no keys, tags is just 0 */
+ 	rc = lu_env_init(&env, LCT_LOCAL | LCT_MG_THREAD);
+@@ -480,9 +480,9 @@ int llog_process_or_fork(const struct lu_env *env,
+ 		 * init the new one in llog_process_thread_daemonize. */
+ 		lpi->lpi_env = NULL;
+ 		init_completion(&lpi->lpi_completion);
+-		rc = cfs_create_thread(llog_process_thread_daemonize, lpi,
+-				       CFS_DAEMON_FLAGS);
+-		if (rc < 0) {
++		rc = PTR_ERR(kthread_run(llog_process_thread_daemonize, lpi,
++					     "llog_process_thread"));
++		if (IS_ERR_VALUE(rc)) {
+ 			CERROR("%s: cannot start thread: rc = %d\n",
+ 			       loghandle->lgh_ctxt->loc_obd->obd_name, rc);
+ 			OBD_FREE_PTR(lpi);
+diff --git a/lustre/osd-ldiskfs/osd_scrub.c b/lustre/osd-ldiskfs/osd_scrub.c
+index 77acd9e..a9130be 100644
+--- a/lustre/osd-ldiskfs/osd_scrub.c
++++ b/lustre/osd-ldiskfs/osd_scrub.c
+@@ -979,7 +979,6 @@ static int osd_scrub_main(void *args)
+ 	int		      rc;
+ 	ENTRY;
+ 
+-	cfs_daemonize("OI_scrub");
+ 	rc = lu_env_init(&env, LCT_DT_THREAD);
+ 	if (rc != 0) {
+ 		CERROR("%.16s: OI scrub, fail to init env, rc = %d\n",
+@@ -1554,8 +1553,8 @@ again:
+ 
+ 	scrub->os_start_flags = flags;
+ 	thread_set_flags(thread, 0);
+-	rc = cfs_create_thread(osd_scrub_main, dev, 0);
+-	if (rc < 0) {
++	rc = PTR_ERR(kthread_run(osd_scrub_main, dev, "OI_scrub"));
++	if (IS_ERR_VALUE(rc)) {
+ 		CERROR("%.16s: cannot start iteration thread, rc = %d\n",
+ 		       LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, rc);
+ 		RETURN(rc);
+diff --git a/lustre/osp/osp_precreate.c b/lustre/osp/osp_precreate.c
+index 914f988..d0d2ede 100644
+--- a/lustre/osp/osp_precreate.c
++++ b/lustre/osp/osp_precreate.c
+@@ -872,15 +872,11 @@ static int osp_precreate_thread(void *_arg)
+ 	struct osp_device	*d = _arg;
+ 	struct ptlrpc_thread	*thread = &d->opd_pre_thread;
+ 	struct l_wait_info	 lwi = { 0 };
+-	char			 pname[16];
+ 	struct lu_env		 env;
+ 	int			 rc;
+ 
+ 	ENTRY;
+ 
+-	sprintf(pname, "osp-pre-%u", d->opd_index);
+-	cfs_daemonize(pname);
+-
+ 	rc = lu_env_init(&env, d->opd_dt_dev.dd_lu_dev.ld_type->ldt_ctx_tags);
+ 	if (rc) {
+ 		CERROR("%s: init env error: rc = %d\n", d->opd_obd->obd_name,
+@@ -1251,7 +1247,7 @@ out:
+ int osp_init_precreate(struct osp_device *d)
+ {
+ 	struct l_wait_info	 lwi = { 0 };
+-	int			 rc;
++	cfs_task_t		*task;
+ 
+ 	ENTRY;
+ 
+@@ -1286,10 +1282,11 @@ int osp_init_precreate(struct osp_device *d)
+ 	/*
+ 	 * start thread handling precreation and statfs updates
+ 	 */
+-	rc = cfs_create_thread(osp_precreate_thread, d, 0);
+-	if (rc < 0) {
+-		CERROR("can't start precreate thread %d\n", rc);
+-		RETURN(rc);
++	task = kthread_run(osp_precreate_thread, d,
++			       "osp-pre-%u", d->opd_index);
++	if (IS_ERR(task)) {
++		CERROR("can't start precreate thread %ld\n", PTR_ERR(task));
++		RETURN(PTR_ERR(task));
+ 	}
+ 
+ 	l_wait_event(d->opd_pre_thread.t_ctl_waitq,
+diff --git a/lustre/osp/osp_sync.c b/lustre/osp/osp_sync.c
+index 4bc9d58..a6952ce 100644
+--- a/lustre/osp/osp_sync.c
++++ b/lustre/osp/osp_sync.c
+@@ -823,7 +823,6 @@ static int osp_sync_thread(void *_arg)
+ 	struct llog_handle	*llh;
+ 	struct lu_env		 env;
+ 	int			 rc, count;
+-	char			 pname[16];
+ 
+ 	ENTRY;
+ 
+@@ -834,9 +833,6 @@ static int osp_sync_thread(void *_arg)
+ 		RETURN(rc);
+ 	}
+ 
+-	sprintf(pname, "osp-syn-%u", d->opd_index);
+-	cfs_daemonize(pname);
+-
+ 	spin_lock(&d->opd_syn_lock);
+ 	thread->t_flags = SVC_RUNNING;
+ 	spin_unlock(&d->opd_syn_lock);
+@@ -1041,8 +1037,9 @@ int osp_sync_init(const struct lu_env *env, struct osp_device *d)
+ 	cfs_waitq_init(&d->opd_syn_thread.t_ctl_waitq);
+ 	CFS_INIT_LIST_HEAD(&d->opd_syn_committed_there);
+ 
+-	rc = cfs_create_thread(osp_sync_thread, d, 0);
+-	if (rc < 0) {
++	rc = PTR_ERR(kthread_run(osp_sync_thread, d,
++				 "osp-syn-%u", d->opd_index));
++	if (IS_ERR_VALUE(rc)) {
+ 		CERROR("%s: can't start sync thread: rc = %d\n",
+ 		       d->opd_obd->obd_name, rc);
+ 		GOTO(err_llog, rc);
+diff --git a/lustre/ptlrpc/import.c b/lustre/ptlrpc/import.c
+index 7eaee96..9d17417 100644
+--- a/lustre/ptlrpc/import.c
++++ b/lustre/ptlrpc/import.c
+@@ -1263,7 +1263,7 @@ static int ptlrpc_invalidate_import_thread(void *data)
+ 
+         ENTRY;
+ 
+-        cfs_daemonize_ctxt("ll_imp_inval");
++	unshare_fs_struct();
+ 
+         CDEBUG(D_HA, "thread invalidate import %s to %s@%s\n",
+                imp->imp_obd->obd_name, obd2cli_tgt(imp->imp_obd),
+@@ -1333,20 +1333,24 @@ int ptlrpc_import_recovery_state_machine(struct obd_import *imp)
+ 		spin_unlock(&imp->imp_lock);
+ 
+ #ifdef __KERNEL__
+-                /* bug 17802:  XXX client_disconnect_export vs connect request
+-                 * race. if client will evicted at this time, we start
+-                 * invalidate thread without reference to import and import can
+-                 * be freed at same time. */
+-                class_import_get(imp);
+-                rc = cfs_create_thread(ptlrpc_invalidate_import_thread, imp,
+-                                       CFS_DAEMON_FLAGS);
+-                if (rc < 0) {
+-                        class_import_put(imp);
+-                        CERROR("error starting invalidate thread: %d\n", rc);
+-                } else {
+-                        rc = 0;
+-                }
+-                RETURN(rc);
++		{
++		cfs_task_t *task;
++		/* bug 17802:  XXX client_disconnect_export vs connect request
++		 * race. if client will evicted at this time, we start
++		 * invalidate thread without reference to import and import can
++		 * be freed at same time. */
++		class_import_get(imp);
++		task = kthread_run(ptlrpc_invalidate_import_thread, imp,
++				     "ll_imp_inval");
++		if (IS_ERR(task)) {
++			class_import_put(imp);
++			CERROR("error starting invalidate thread: %d\n", rc);
++			rc = PTR_ERR(task);
++		} else {
++			rc = 0;
++		}
++		RETURN(rc);
++		}
+ #else
+                 ptlrpc_invalidate_import(imp);
+ 
+diff --git a/lustre/ptlrpc/pinger.c b/lustre/ptlrpc/pinger.c
+index 8b7d472..e18bc7d 100644
+--- a/lustre/ptlrpc/pinger.c
++++ b/lustre/ptlrpc/pinger.c
+@@ -306,8 +306,6 @@ static int ptlrpc_pinger_main(void *arg)
+         struct ptlrpc_thread *thread = (struct ptlrpc_thread *)arg;
+ 	ENTRY;
+ 
+-        cfs_daemonize(thread->t_name);
+-
+         /* Record that the thread is running */
+         thread_set_flags(thread, SVC_RUNNING);
+         cfs_waitq_signal(&thread->t_ctl_waitq);
+@@ -402,14 +400,14 @@ int ptlrpc_start_pinger(void)
+ 
+ 	/* CLONE_VM and CLONE_FILES just avoid a needless copy, because we
+ 	 * just drop the VM and FILES in cfs_daemonize_ctxt() right away. */
+-        rc = cfs_create_thread(ptlrpc_pinger_main,
+-			       pinger_thread, CFS_DAEMON_FLAGS);
+-        if (rc < 0) {
+-                CERROR("cannot start thread: %d\n", rc);
+-                OBD_FREE(pinger_thread, sizeof(*pinger_thread));
+-                pinger_thread = NULL;
+-                RETURN(rc);
+-        }
++	rc = PTR_ERR(kthread_run(ptlrpc_pinger_main,
++				 pinger_thread, pinger_thread->t_name));
++	if (IS_ERR_VALUE(rc)) {
++		CERROR("cannot start thread: %d\n", rc);
++		OBD_FREE(pinger_thread, sizeof(*pinger_thread));
++		pinger_thread = NULL;
++		RETURN(rc);
++	}
+         l_wait_event(pinger_thread->t_ctl_waitq,
+                      thread_is_running(pinger_thread), &lwi);
+ 
+@@ -678,7 +676,7 @@ static int ping_evictor_main(void *arg)
+         time_t expire_time;
+         ENTRY;
+ 
+-        cfs_daemonize_ctxt("ll_evictor");
++	unshare_fs_struct();
+ 
+         CDEBUG(D_HA, "Starting Ping Evictor\n");
+         pet_state = PET_READY;
+@@ -753,18 +751,19 @@ static int ping_evictor_main(void *arg)
+ 
+ void ping_evictor_start(void)
+ {
+-        int rc;
++	cfs_task_t *task;
+ 
+-        if (++pet_refcount > 1)
+-                return;
++	if (++pet_refcount > 1)
++		return;
+ 
+-        cfs_waitq_init(&pet_waitq);
++	cfs_waitq_init(&pet_waitq);
+ 
+-        rc = cfs_create_thread(ping_evictor_main, NULL, CFS_DAEMON_FLAGS);
+-        if (rc < 0) {
+-                pet_refcount--;
+-                CERROR("Cannot start ping evictor thread: %d\n", rc);
+-        }
++	task = kthread_run(ping_evictor_main, NULL, "ll_evictor");
++	if (IS_ERR(task)) {
++		pet_refcount--;
++		CERROR("Cannot start ping evictor thread: %ld\n",
++			PTR_ERR(task));
++	}
+ }
+ EXPORT_SYMBOL(ping_evictor_start);
+ 
+diff --git a/lustre/ptlrpc/ptlrpcd.c b/lustre/ptlrpc/ptlrpcd.c
+index 669b0d7..b6486e0 100644
+--- a/lustre/ptlrpc/ptlrpcd.c
++++ b/lustre/ptlrpc/ptlrpcd.c
+@@ -410,7 +410,7 @@ static int ptlrpcd(void *arg)
+         int rc, exit = 0;
+         ENTRY;
+ 
+-	cfs_daemonize_ctxt(pc->pc_name);
++	unshare_fs_struct();
+ #if defined(CONFIG_SMP) && \
+ (defined(HAVE_CPUMASK_OF_NODE) || defined(HAVE_NODE_TO_CPUMASK))
+ 	if (test_bit(LIOD_BIND, &pc->pc_flags)) {
+@@ -709,18 +709,21 @@ int ptlrpcd_start(int index, int max, const char *name, struct ptlrpcd_ctl *pc)
+ 
+         env = 1;
+ #ifdef __KERNEL__
+-        if (index >= 0) {
+-                rc = ptlrpcd_bind(index, max);
+-                if (rc < 0)
+-                        GOTO(out, rc);
+-        }
++	{
++		cfs_task_t *task;
++		if (index >= 0) {
++			rc = ptlrpcd_bind(index, max);
++			if (rc < 0)
++				GOTO(out, rc);
++		}
+ 
+-        rc = cfs_create_thread(ptlrpcd, pc, 0);
+-        if (rc < 0)
+-                GOTO(out, rc);
++		task = kthread_run(ptlrpcd, pc, pc->pc_name);
++		if (IS_ERR(task))
++			GOTO(out, rc = PTR_ERR(task));
+ 
+-        rc = 0;
+-	wait_for_completion(&pc->pc_starting);
++		rc = 0;
++		wait_for_completion(&pc->pc_starting);
++	}
+ #else
+         pc->pc_wait_callback =
+                 liblustre_register_wait_callback("ptlrpcd_check_async_rpcs",
+diff --git a/lustre/ptlrpc/sec_gc.c b/lustre/ptlrpc/sec_gc.c
+index 7634d22..595f710 100644
+--- a/lustre/ptlrpc/sec_gc.c
++++ b/lustre/ptlrpc/sec_gc.c
+@@ -169,7 +169,7 @@ static int sec_gc_main(void *arg)
+         struct ptlrpc_thread *thread = (struct ptlrpc_thread *) arg;
+         struct l_wait_info    lwi;
+ 
+-        cfs_daemonize_ctxt("sptlrpc_gc");
++	unshare_fs_struct();
+ 
+         /* Record that the thread is running */
+         thread_set_flags(thread, SVC_RUNNING);
+@@ -222,7 +222,7 @@ again:
+ int sptlrpc_gc_init(void)
+ {
+ 	struct l_wait_info lwi = { 0 };
+-	int                rc;
++	cfs_task_t *task;
+ 
+ 	mutex_init(&sec_gc_mutex);
+ 	spin_lock_init(&sec_gc_list_lock);
+@@ -232,10 +232,10 @@ int sptlrpc_gc_init(void)
+         memset(&sec_gc_thread, 0, sizeof(sec_gc_thread));
+         cfs_waitq_init(&sec_gc_thread.t_ctl_waitq);
+ 
+-        rc = cfs_create_thread(sec_gc_main, &sec_gc_thread, CFS_DAEMON_FLAGS);
+-        if (rc < 0) {
+-                CERROR("can't start gc thread: %d\n", rc);
+-                return rc;
++	task = kthread_run(sec_gc_main, &sec_gc_thread, "sptlrpc_gc");
++	if (IS_ERR(task)) {
++		CERROR("can't start gc thread: %ld\n", PTR_ERR(task));
++		return PTR_ERR(task);
+         }
+ 
+         l_wait_event(sec_gc_thread.t_ctl_waitq,
+diff --git a/lustre/ptlrpc/service.c b/lustre/ptlrpc/service.c
+index 63fee6d..7d73b13 100644
+--- a/lustre/ptlrpc/service.c
++++ b/lustre/ptlrpc/service.c
+@@ -2362,7 +2362,7 @@ static int ptlrpc_main(void *arg)
+         ENTRY;
+ 
+         thread->t_pid = cfs_curproc_pid();
+-        cfs_daemonize_ctxt(thread->t_name);
++	unshare_fs_struct();
+ 
+ 	/* NB: we will call cfs_cpt_bind() for all threads, because we
+ 	 * might want to run lustre server only on a subset of system CPUs,
+@@ -2557,7 +2557,7 @@ static int ptlrpc_hr_main(void *arg)
+ 
+ 	snprintf(threadname, sizeof(threadname), "ptlrpc_hr%02d_%03d",
+ 		 hrp->hrp_cpt, hrt->hrt_id);
+-	cfs_daemonize_ctxt(threadname);
++	unshare_fs_struct();
+ 
+ 	rc = cfs_cpt_bind(ptlrpc_hr.hr_cpt_table, hrp->hrp_cpt);
+ 	if (rc != 0) {
+@@ -2623,10 +2623,13 @@ static int ptlrpc_start_hr_threads(void)
+ 		int	rc = 0;
+ 
+ 		for (j = 0; j < hrp->hrp_nthrs; j++) {
+-			rc = cfs_create_thread(ptlrpc_hr_main,
+-					       &hrp->hrp_thrs[j],
+-					       CLONE_VM | CLONE_FILES);
+-			if (rc < 0)
++			struct	ptlrpc_hr_thread *hrt = &hrp->hrp_thrs[j];
++			rc = PTR_ERR(kthread_run(ptlrpc_hr_main,
++						 &hrp->hrp_thrs[j],
++						 "ptlrpc_hr%02d_%03d",
++						 hrp->hrp_cpt,
++						 hrt->hrt_id));
++			if (IS_ERR_VALUE(rc))
+ 				break;
+ 		}
+ 		cfs_wait_event(ptlrpc_hr.hr_waitq,
+@@ -2818,8 +2821,8 @@ int ptlrpc_start_thread(struct ptlrpc_service_part *svcpt, int wait)
+ 	 * CLONE_VM and CLONE_FILES just avoid a needless copy, because we
+ 	 * just drop the VM and FILES in cfs_daemonize_ctxt() right away.
+ 	 */
+-	rc = cfs_create_thread(ptlrpc_main, thread, CFS_DAEMON_FLAGS);
+-	if (rc < 0) {
++	rc = PTR_ERR(kthread_run(ptlrpc_main, thread, thread->t_name));
++	if (IS_ERR_VALUE(rc)) {
+ 		CERROR("cannot start thread '%s': rc %d\n",
+ 		       thread->t_name, rc);
+ 		spin_lock(&svcpt->scp_lock);
+diff --git a/lustre/quota/qmt_lock.c b/lustre/quota/qmt_lock.c
+index 3236fb5..7c455fe 100644
+--- a/lustre/quota/qmt_lock.c
++++ b/lustre/quota/qmt_lock.c
+@@ -716,7 +716,6 @@ static int qmt_reba_thread(void *arg)
+ 	struct l_wait_info	 lwi = { 0 };
+ 	struct lu_env		*env;
+ 	struct lquota_entry	*lqe, *tmp;
+-	char			 pname[MTI_NAME_MAXLEN];
+ 	int			 rc;
+ 	ENTRY;
+ 
+@@ -731,9 +730,6 @@ static int qmt_reba_thread(void *arg)
+ 		RETURN(rc);
+ 	}
+ 
+-	snprintf(pname, MTI_NAME_MAXLEN, "qmt_reba_%s", qmt->qmt_svname);
+-	cfs_daemonize(pname);
+-
+ 	thread_set_flags(thread, SVC_RUNNING);
+ 	cfs_waitq_signal(&thread->t_ctl_waitq);
+ 
+@@ -773,15 +769,16 @@ int qmt_start_reba_thread(struct qmt_device *qmt)
+ {
+ 	struct ptlrpc_thread	*thread = &qmt->qmt_reba_thread;
+ 	struct l_wait_info	 lwi    = { 0 };
+-	int			 rc;
++	cfs_task_t		*task;
+ 	ENTRY;
+ 
+-	rc = cfs_create_thread(qmt_reba_thread, (void *)qmt, 0);
+-	if (rc < 0) {
+-		CERROR("%s: failed to start rebalance thread (%d)\n",
+-		       qmt->qmt_svname, rc);
++	task = kthread_run(qmt_reba_thread, (void *)qmt,
++			       "qmt_reba_%s", qmt->qmt_svname);
++	if (IS_ERR(task)) {
++		CERROR("%s: failed to start rebalance thread (%ld)\n",
++		       qmt->qmt_svname, PTR_ERR(task));
+ 		thread_set_flags(thread, SVC_STOPPED);
+-		RETURN(rc);
++		RETURN(PTR_ERR(task));
+ 	}
+ 
+ 	l_wait_event(thread->t_ctl_waitq,
+diff --git a/lustre/quota/qsd_reint.c b/lustre/quota/qsd_reint.c
+index ad2894f..070e535 100644
+--- a/lustre/quota/qsd_reint.c
++++ b/lustre/quota/qsd_reint.c
+@@ -417,8 +417,6 @@ static int qsd_reint_main(void *args)
+ 	int			 rc;
+ 	ENTRY;
+ 
+-	cfs_daemonize("qsd_reint");
+-
+ 	CDEBUG(D_QUOTA, "%s: Starting reintegration thread for "DFID"\n",
+ 	       qsd->qsd_svname, PFID(&qqi->qqi_fid));
+ 
+@@ -662,8 +660,8 @@ int qsd_start_reint_thread(struct qsd_qtype_info *qqi)
+ 		RETURN(0);
+ 	}
+ 
+-	rc = cfs_create_thread(qsd_reint_main, (void *)qqi, 0);
+-	if (rc < 0) {
++	rc = PTR_ERR(kthread_run(qsd_reint_main, (void *)qqi, "qsd_reint"));
++	if (IS_ERR_VALUE(rc)) {
+ 		thread_set_flags(thread, SVC_STOPPED);
+ 		write_lock(&qsd->qsd_lock);
+ 		qqi->qqi_reint = 0;
+diff --git a/lustre/quota/qsd_writeback.c b/lustre/quota/qsd_writeback.c
+index 037fb2b..5ab39e4 100644
+--- a/lustre/quota/qsd_writeback.c
++++ b/lustre/quota/qsd_writeback.c
+@@ -404,7 +404,6 @@ static int qsd_upd_thread(void *arg)
+ 	struct l_wait_info	 lwi;
+ 	cfs_list_t		 queue;
+ 	struct qsd_upd_rec	*upd, *n;
+-	char			 pname[MTI_NAME_MAXLEN];
+ 	struct lu_env		*env;
+ 	int			 qtype, rc = 0;
+ 	bool			 uptodate;
+@@ -423,9 +422,6 @@ static int qsd_upd_thread(void *arg)
+ 		RETURN(rc);
+ 	}
+ 
+-	snprintf(pname, MTI_NAME_MAXLEN, "lquota_wb_%s", qsd->qsd_svname);
+-	cfs_daemonize(pname);
+-
+ 	thread_set_flags(thread, SVC_RUNNING);
+ 	cfs_waitq_signal(&thread->t_ctl_waitq);
+ 
+@@ -487,14 +483,16 @@ int qsd_start_upd_thread(struct qsd_instance *qsd)
+ {
+ 	struct ptlrpc_thread	*thread = &qsd->qsd_upd_thread;
+ 	struct l_wait_info	 lwi = { 0 };
+-	int			 rc;
++	cfs_task_t		*task;
+ 	ENTRY;
+ 
+-	rc = cfs_create_thread(qsd_upd_thread, (void *)qsd, 0);
+-	if (rc < 0) {
+-		CERROR("Fail to start quota update thread. rc: %d\n", rc);
++	task = kthread_run(qsd_upd_thread, (void *)qsd,
++			   "lquota_wb_%s", qsd->qsd_svname);
++	if (IS_ERR(task)) {
++		CERROR("Fail to start quota update thread. rc: %ld\n",
++			PTR_ERR(task));
+ 		thread_set_flags(thread, SVC_STOPPED);
+-		RETURN(rc);
++		RETURN(PTR_ERR(task));
+ 	}
+ 
+ 	l_wait_event(thread->t_ctl_waitq,
+-- 
+1.8.1.5
+

diff --git a/sys-cluster/lustre/files/0009-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch b/sys-cluster/lustre/files/0010-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch
similarity index 96%
rename from sys-cluster/lustre/files/0009-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch
rename to sys-cluster/lustre/files/0010-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch
index 6d8fe15..600a96f 100644
--- a/sys-cluster/lustre/files/0009-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch
+++ b/sys-cluster/lustre/files/0010-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch
@@ -1,7 +1,7 @@
-From 6cbb83e217da670eba6c48d6a5a8c9248e11290d Mon Sep 17 00:00:00 2001
+From 127cc837cc6e8268e220288ed7a0209d944cc3f5 Mon Sep 17 00:00:00 2001
 From: Alexey Shvetsov <alexxy@gentoo.org>
 Date: Sun, 31 Mar 2013 19:32:30 +0400
-Subject: [PATCH 09/11] LU-3079 kernel: 3.9 hlist_for_each_entry uses 3 args
+Subject: [PATCH 10/12] LU-3079 kernel: 3.9 hlist_for_each_entry uses 3 args
 
 In 3.9 hlist_for_each_entry use 3 args since commit
 

diff --git a/sys-cluster/lustre/files/0010-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch b/sys-cluster/lustre/files/0011-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch
similarity index 93%
rename from sys-cluster/lustre/files/0010-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch
rename to sys-cluster/lustre/files/0011-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch
index 4e16cfb..9c45f85 100644
--- a/sys-cluster/lustre/files/0010-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch
+++ b/sys-cluster/lustre/files/0011-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch
@@ -1,7 +1,7 @@
-From ebc9570b69d08bb308b2317486de3062a06f59d0 Mon Sep 17 00:00:00 2001
+From ed04e52a97a68601eef0b426e32850bf0b0f2dda Mon Sep 17 00:00:00 2001
 From: Alexey Shvetsov <alexxy@gentoo.org>
 Date: Sun, 31 Mar 2013 20:13:21 +0400
-Subject: [PATCH 10/11] LU-3079 kernel: f_vfsmnt replaced by f_path.mnt
+Subject: [PATCH 11/12] LU-3079 kernel: f_vfsmnt replaced by f_path.mnt
 
 In linux 3.9 f_vfsmnt was killed and replaced
 

diff --git a/sys-cluster/lustre/files/0011-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch b/sys-cluster/lustre/files/0012-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch
similarity index 99%
rename from sys-cluster/lustre/files/0011-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch
rename to sys-cluster/lustre/files/0012-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch
index 6908caa..f9b70ff 100644
--- a/sys-cluster/lustre/files/0011-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch
+++ b/sys-cluster/lustre/files/0012-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch
@@ -1,7 +1,7 @@
-From b9af425cb67ad9d27a8319a308fecd794478479e Mon Sep 17 00:00:00 2001
+From a706113ecda6efa8186bfe8cf6ff94a845f56603 Mon Sep 17 00:00:00 2001
 From: Brian Behlendorf <behlendorf1@llnl.gov>
 Date: Thu, 28 Mar 2013 12:18:27 -0700
-Subject: [PATCH 11/11] LU-3117 build: zfs-0.6.1 kmod+dkms compatibility
+Subject: [PATCH 12/12] LU-3117 build: zfs-0.6.1 kmod+dkms compatibility
 
 With the release of zfs-0.6.1 the default install location of
 the zfs kmod headers and objects has changed.  The kmod headers

diff --git a/sys-cluster/lustre/lustre-9999.ebuild b/sys-cluster/lustre/lustre-9999.ebuild
index ef0f91d..6956df0 100644
--- a/sys-cluster/lustre/lustre-9999.ebuild
+++ b/sys-cluster/lustre/lustre-9999.ebuild
@@ -41,9 +41,10 @@ PATCHES=(
 	"${FILESDIR}/0006-LU-2800-llite-introduce-local-getname.patch"
 	"${FILESDIR}/0007-LU-2987-llite-rcu-free-inode.patch"
 	"${FILESDIR}/0008-LU-2850-kernel-3.8-upstream-removes-vmtruncate.patch"
-	"${FILESDIR}/0009-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch"
-	"${FILESDIR}/0010-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch"
-	"${FILESDIR}/0011-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch"
+	"${FILESDIR}/0009-LU-2850-kernel-3.8-upstream-kills-daemonize.patch"
+	"${FILESDIR}/0010-LU-3079-kernel-3.9-hlist_for_each_entry-uses-3-args.patch"
+	"${FILESDIR}/0011-LU-3079-kernel-f_vfsmnt-replaced-by-f_path.mnt.patch"
+	"${FILESDIR}/0012-LU-3117-build-zfs-0.6.1-kmod-dkms-compatibility.patch"
 )
 
 pkg_setup() {


             reply	other threads:[~2013-04-17  9:59 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-17  9:59 Alexey Shvetsov [this message]
  -- strict thread matches above, loose matches on Subject: below --
2016-06-29 10:28 [gentoo-commits] proj/sci:master commit in: sys-cluster/lustre/, sys-cluster/lustre/files/ Alexey Shvetsov
2016-06-12 20:32 Alexey Shvetsov
2016-06-12 19:19 Alexey Shvetsov
2016-06-10 19:06 Alexey Shvetsov
2014-05-29 12:44 Alexey Shvetsov
2014-05-24 22:55 Alexey Shvetsov
2014-05-20 13:44 Alexey Shvetsov
2014-05-20 12:43 Alexey Shvetsov
2014-05-19  9:06 Alexey Shvetsov
2014-04-22  8:41 Alexey Shvetsov
2014-04-22  7:22 Alexey Shvetsov
2014-04-02 12:29 Alexey Shvetsov
2014-04-02 10:50 Alexey Shvetsov
2014-02-27 12:08 Alexey Shvetsov
2014-02-12  6:56 Alexey Shvetsov
2014-02-12  6:39 Alexey Shvetsov
2014-02-12  6:36 Alexey Shvetsov
2014-02-04 11:28 Alexey Shvetsov
2013-12-19 14:21 Alexey Shvetsov
2013-12-19 14:13 Alexey Shvetsov
2013-12-19 13:45 Alexey Shvetsov
2013-12-19 13:29 Alexey Shvetsov
2013-12-19 13:23 Alexey Shvetsov
2013-12-19 12:54 Alexey Shvetsov
2013-07-11 15:36 Justin Lecher
2013-07-11 13:25 Alexey Shvetsov
2013-05-07 18:45 Alexey Shvetsov
2013-05-07  9:20 Alexey Shvetsov
2013-04-23  7:43 Alexey Shvetsov
2013-04-22  9:25 Alexey Shvetsov
2013-04-17  9:45 Alexey Shvetsov
2013-04-16 12:08 Alexey Shvetsov
2013-04-16 11:27 Alexey Shvetsov
2013-03-31 17:20 Alexey Shvetsov
2013-03-31 11:28 Alexey Shvetsov
2013-03-31 11:15 Alexey Shvetsov
2013-03-27  5:05 Alexey Shvetsov
2013-03-22 11:08 Alexey Shvetsov
2013-03-22 10:27 Alexey Shvetsov
2013-03-18 23:14 Alexey Shvetsov
2013-03-18 20:53 Alexey Shvetsov
2013-03-18 14:10 Alexey Shvetsov
2013-03-18 14:00 Alexey Shvetsov
2013-03-18 12:29 Alexey Shvetsov
2013-03-18 12:21 Alexey Shvetsov
2013-03-18 12:13 Alexey Shvetsov
2013-03-18  3:53 Alexey Shvetsov
2013-03-14 11:57 Alexey Shvetsov
2013-03-14 10:21 Alexey Shvetsov
2013-03-14  9:47 Alexey Shvetsov
2013-03-06 12:37 Alexey Shvetsov
2012-09-20 19:15 Alexey Shvetsov

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