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From: "Sam James" <sam@gentoo.org>
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Message-ID: <1707184203.41c60e94beea46d932ae78fb7dd388ca6c9a3924.sam@gentoo>
Subject: [gentoo-commits] repo/gentoo:master commit in: sys-fs/zfs-kmod/, sys-fs/zfs-kmod/files/
X-VCS-Repository: repo/gentoo
X-VCS-Files: sys-fs/zfs-kmod/files/zfs-kmod-2.2.2-autotrim.patch sys-fs/zfs-kmod/zfs-kmod-2.2.2-r1.ebuild
X-VCS-Directories: sys-fs/zfs-kmod/ sys-fs/zfs-kmod/files/
X-VCS-Committer: sam
X-VCS-Committer-Name: Sam James
X-VCS-Revision: 41c60e94beea46d932ae78fb7dd388ca6c9a3924
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Date: Tue,  6 Feb 2024 01:50:51 +0000 (UTC)
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commit:     41c60e94beea46d932ae78fb7dd388ca6c9a3924
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Tue Feb  6 01:50:03 2024 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Tue Feb  6 01:50:03 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=41c60e94

sys-fs/zfs-kmod: backport autotrim CPU fix

Closes: https://bugs.gentoo.org/923745
Signed-off-by: Sam James <sam <AT> gentoo.org>

 .../zfs-kmod/files/zfs-kmod-2.2.2-autotrim.patch   |  31 +++
 sys-fs/zfs-kmod/zfs-kmod-2.2.2-r1.ebuild           | 219 +++++++++++++++++++++
 2 files changed, 250 insertions(+)

diff --git a/sys-fs/zfs-kmod/files/zfs-kmod-2.2.2-autotrim.patch b/sys-fs/zfs-kmod/files/zfs-kmod-2.2.2-autotrim.patch
new file mode 100644
index 000000000000..6d72389fdb25
--- /dev/null
+++ b/sys-fs/zfs-kmod/files/zfs-kmod-2.2.2-autotrim.patch
@@ -0,0 +1,31 @@
+https://bugs.gentoo.org/923745
+https://github.com/openzfs/zfs/issues/15453
+https://github.com/openzfs/zfs/pull/15781
+https://github.com/openzfs/zfs/pull/15789
+
+From a0aa7a2ee3b56d7b6d69c2081034ec8293a6d605 Mon Sep 17 00:00:00 2001
+From: Kevin Jin <33590050+jxdking@users.noreply.github.com>
+Date: Wed, 17 Jan 2024 12:03:58 -0500
+Subject: [PATCH] Autotrim High Load Average Fix
+
+Switch from cv_wait() to cv_wait_idle() in vdev_autotrim_wait_kick(),
+which should mitigate the high load average while waiting.
+
+Reviewed-by: Brian Atkinson <batkinson@lanl.gov>
+Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
+Reviewed-by: Alexander Motin <mav@FreeBSD.org>
+Signed-off-by: jxdking <lostking2008@hotmail.com>
+Closes #15781
+--- a/module/zfs/vdev_trim.c
++++ b/module/zfs/vdev_trim.c
+@@ -194,7 +194,8 @@ vdev_autotrim_wait_kick(vdev_t *vd, int num_of_kick)
+ 	for (int i = 0; i < num_of_kick; i++) {
+ 		if (vd->vdev_autotrim_exit_wanted)
+ 			break;
+-		cv_wait(&vd->vdev_autotrim_kick_cv, &vd->vdev_autotrim_lock);
++		cv_wait_idle(&vd->vdev_autotrim_kick_cv,
++		    &vd->vdev_autotrim_lock);
+ 	}
+ 	boolean_t exit_wanted = vd->vdev_autotrim_exit_wanted;
+ 	mutex_exit(&vd->vdev_autotrim_lock);
+

diff --git a/sys-fs/zfs-kmod/zfs-kmod-2.2.2-r1.ebuild b/sys-fs/zfs-kmod/zfs-kmod-2.2.2-r1.ebuild
new file mode 100644
index 000000000000..7b28bf3a94ab
--- /dev/null
+++ b/sys-fs/zfs-kmod/zfs-kmod-2.2.2-r1.ebuild
@@ -0,0 +1,219 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools dist-kernel-utils flag-o-matic linux-mod-r1 multiprocessing
+
+DESCRIPTION="Linux ZFS kernel module for sys-fs/zfs"
+HOMEPAGE="https://github.com/openzfs/zfs"
+
+MODULES_KERNEL_MAX=6.6
+MODULES_KERNEL_MIN=3.10
+
+if [[ ${PV} == 9999 ]] ; then
+	EGIT_REPO_URI="https://github.com/openzfs/zfs.git"
+	inherit git-r3
+	unset MODULES_KERNEL_MAX
+else
+	VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/openzfs.asc
+	inherit verify-sig
+
+	MY_PV=${PV/_rc/-rc}
+	SRC_URI="https://github.com/openzfs/zfs/releases/download/zfs-${MY_PV}/zfs-${MY_PV}.tar.gz"
+	SRC_URI+=" verify-sig? ( https://github.com/openzfs/zfs/releases/download/zfs-${MY_PV}/zfs-${MY_PV}.tar.gz.asc )"
+	S="${WORKDIR}/zfs-${MY_PV}"
+
+	ZFS_KERNEL_COMPAT="${MODULES_KERNEL_MAX}"
+	# Increments minor eg 5.14 -> 5.15, and still supports override.
+	ZFS_KERNEL_DEP="${ZFS_KERNEL_COMPAT_OVERRIDE:-${ZFS_KERNEL_COMPAT}}"
+	ZFS_KERNEL_DEP="${ZFS_KERNEL_DEP%%.*}.$(( ${ZFS_KERNEL_DEP##*.} + 1))"
+
+	if [[ ${PV} != *_rc* ]] ; then
+		KEYWORDS="~amd64 ~arm64 ~loong ~ppc64 ~riscv ~sparc"
+	fi
+fi
+
+LICENSE="CDDL MIT debug? ( GPL-2+ )"
+SLOT="0/${PVR}"
+IUSE="custom-cflags debug +rootfs"
+RESTRICT="test"
+
+BDEPEND="
+	app-alternatives/awk
+	dev-lang/perl
+"
+
+if [[ ${PV} != 9999 ]] ; then
+	BDEPEND+=" verify-sig? ( sec-keys/openpgp-keys-openzfs )"
+
+	IUSE+=" +dist-kernel-cap"
+	RDEPEND="
+		dist-kernel-cap? ( dist-kernel? (
+			<virtual/dist-kernel-${ZFS_KERNEL_DEP}
+		) )
+	"
+fi
+
+# Used to suggest matching USE, but without suggesting to disable
+PDEPEND="dist-kernel? ( ~sys-fs/zfs-${PV}[dist-kernel] )"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.1.11-gentoo.patch
+	"${FILESDIR}"/${PN}-2.2.2-arm64-neon.patch
+	"${FILESDIR}"/${PN}-2.2.2-autotrim.patch
+)
+
+pkg_pretend() {
+	use rootfs || return 0
+
+	if has_version virtual/dist-kernel && ! use dist-kernel; then
+		ewarn "You have virtual/dist-kernel installed, but"
+		ewarn "USE=\"dist-kernel\" is not enabled for ${CATEGORY}/${PN}"
+		ewarn "It's recommended to globally enable dist-kernel USE flag"
+		ewarn "to auto-trigger initrd rebuilds with kernel updates"
+	fi
+}
+
+pkg_setup() {
+	local CONFIG_CHECK="
+		EFI_PARTITION
+		ZLIB_DEFLATE
+		ZLIB_INFLATE
+		!DEBUG_LOCK_ALLOC
+		!PAX_KERNEXEC_PLUGIN_METHOD_OR
+	"
+	use debug && CONFIG_CHECK+="
+		DEBUG_INFO
+		FRAME_POINTER
+		!DEBUG_INFO_REDUCED
+	"
+	use rootfs && CONFIG_CHECK+="
+		BLK_DEV_INITRD
+		DEVTMPFS
+	"
+
+	kernel_is -lt 5 && CONFIG_CHECK+=" IOSCHED_NOOP"
+
+	if [[ ${PV} != 9999 ]] ; then
+		local kv_major_max kv_minor_max zcompat
+		zcompat="${ZFS_KERNEL_COMPAT_OVERRIDE:-${ZFS_KERNEL_COMPAT}}"
+		kv_major_max="${zcompat%%.*}"
+		zcompat="${zcompat#*.}"
+		kv_minor_max="${zcompat%%.*}"
+		kernel_is -le "${kv_major_max}" "${kv_minor_max}" || die \
+			"Linux ${kv_major_max}.${kv_minor_max} is the latest supported version"
+	fi
+
+	linux-mod-r1_pkg_setup
+}
+
+src_prepare() {
+	default
+
+	# Run unconditionally (bug #792627)
+	eautoreconf
+
+	if [[ ${PV} != 9999 ]] ; then
+		# Set module revision number
+		sed -Ei "s/(Release:.*)1/\1${PR}-gentoo/" META || die
+	fi
+}
+
+src_configure() {
+	use custom-cflags || strip-flags
+	filter-ldflags -Wl,*
+
+	local myconf=(
+		--bindir="${EPREFIX}"/bin
+		--sbindir="${EPREFIX}"/sbin
+		--with-config=kernel
+		--with-linux="${KV_DIR}"
+		--with-linux-obj="${KV_OUT_DIR}"
+		$(use_enable debug)
+
+		# See gentoo.patch
+		GENTOO_MAKEARGS_EVAL="${MODULES_MAKEARGS[*]@Q}"
+		TEST_JOBS="$(makeopts_jobs)"
+	)
+
+	econf "${myconf[@]}"
+}
+
+src_compile() {
+	emake "${MODULES_MAKEARGS[@]}"
+}
+
+src_install() {
+	emake "${MODULES_MAKEARGS[@]}" DESTDIR="${ED}" install
+	modules_post_process
+
+	dodoc AUTHORS COPYRIGHT META README.md
+}
+
+_old_layout_cleanup() {
+	# new files are just extra/{spl,zfs}.ko with no subdirs.
+	local olddir=(
+		avl/zavl
+		icp/icp
+		lua/zlua
+		nvpair/znvpair
+		spl/spl
+		unicode/zunicode
+		zcommon/zcommon
+		zfs/zfs
+		zstd/zzstd
+	)
+
+	# kernel/module/Kconfig contains possible compressed extentions.
+	local kext kextfiles
+		for kext in .ko{,.{gz,xz,zst}}; do
+		kextfiles+=( "${olddir[@]/%/${kext}}" )
+	done
+
+	local oldfile oldpath
+	for oldfile in "${kextfiles[@]}"; do
+		oldpath="${EROOT}/lib/modules/${KV_FULL}/extra/${oldfile}"
+		if [[ -f "${oldpath}" ]]; then
+			ewarn "Found obsolete zfs module ${oldfile} for current kernel ${KV_FULL}, removing."
+			rm -rv "${oldpath}" || die
+			# we do not remove non-empty directories just for safety in case there's something else.
+			# also it may fail if there are both compressed and uncompressed modules installed.
+			rmdir -v --ignore-fail-on-non-empty "${oldpath%/*.*}" || die
+		fi
+	done
+}
+
+pkg_postinst() {
+	# Check for old module layout before doing anything else.
+	# only attempt layout cleanup if new .ko location is used.
+	local newko=( "${EROOT}/lib/modules/${KV_FULL}/extra"/{zfs,spl}.ko* )
+	# We check first array member, if glob above did not exand, it will be "zfs.ko*" and -f will return false.
+	# if glob expanded -f will do correct file precense check.
+	[[ -f ${newko[0]} ]] && _old_layout_cleanup
+
+	linux-mod-r1_pkg_postinst
+
+	if [[ -z ${ROOT} ]] && use dist-kernel ; then
+		dist-kernel_reinstall_initramfs "${KV_DIR}" "${KV_FULL}"
+	fi
+
+	if use x86 || use arm ; then
+		ewarn "32-bit kernels will likely require increasing vmalloc to"
+		ewarn "at least 256M and decreasing zfs_arc_max to some value less than that."
+	fi
+
+	if has_version sys-boot/grub ; then
+		ewarn "This version of OpenZFS includes support for new feature flags"
+		ewarn "that are incompatible with previous versions. GRUB2 support for"
+		ewarn "/boot with the new feature flags is not yet available."
+		ewarn "Do *NOT* upgrade root pools to use the new feature flags."
+		ewarn "Any new pools will be created with the new feature flags by default"
+		ewarn "and will not be compatible with older versions of OpenZFS. To"
+		ewarn "create a new pool that is backward compatible wih GRUB2, use "
+		ewarn
+		ewarn "zpool create -o compatibility=grub2 ..."
+		ewarn
+		ewarn "Refer to /usr/share/zfs/compatibility.d/grub2 for list of features."
+	fi
+}