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+jxdk...@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 <batkin...@lanl.gov>
+Reviewed-by: Brian Behlendorf <behlendo...@llnl.gov>
+Reviewed-by: Alexander Motin <m...@freebsd.org>
+Signed-off-by: jxdking <lostking2...@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
+}

Reply via email to