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# 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=6.8
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
)
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
}