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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit autotools dist-kernel-utils flag-o-matic linux-mod toolchain-funcs
DESCRIPTION="Linux ZFS kernel module for sys-fs/zfs"
HOMEPAGE="https://github.com/openzfs/zfs"
if [[ ${PV} == "9999" ]]; then
inherit git-r3
EGIT_REPO_URI="https://github.com/openzfs/zfs.git"
else
VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/openzfs.asc
inherit verify-sig
MY_PV="${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="${WORKDIR}/zfs-${PV%_rc?}"
ZFS_KERNEL_COMPAT="5.12"
if [[ ${PV} != *_rc* ]]; then
KEYWORDS="~amd64 ~arm64 ~ppc64"
fi
fi
LICENSE="CDDL MIT debug? ( GPL-2+ )"
SLOT="0"
IUSE="custom-cflags debug +rootfs"
RDEPEND="${DEPEND}
!sys-kernel/spl
"
BDEPEND="
dev-lang/perl
virtual/awk
"
if [[ ${PV} != "9999" ]] ; then
BDEPEND+=" verify-sig? ( app-crypt/openpgp-keys-openzfs )"
fi
RESTRICT="debug? ( strip ) test"
DOCS=( AUTHORS COPYRIGHT META README.md )
pkg_setup() {
CONFIG_CHECK="
!DEBUG_LOCK_ALLOC
EFI_PARTITION
MODULES
!PAX_KERNEXEC_PLUGIN_METHOD_OR
!TRIM_UNUSED_KSYMS
ZLIB_DEFLATE
ZLIB_INFLATE
"
use debug && CONFIG_CHECK="${CONFIG_CHECK}
FRAME_POINTER
DEBUG_INFO
!DEBUG_INFO_REDUCED
"
use rootfs && \
CONFIG_CHECK="${CONFIG_CHECK}
BLK_DEV_INITRD
DEVTMPFS
"
kernel_is -lt 5 && CONFIG_CHECK="${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
kernel_is -ge 3 10 || die "Linux 3.10 or newer required"
linux-mod_pkg_setup
}
src_prepare() {
default
if [[ ${PV} == "9999" ]]; then
eautoreconf
else
# Set module revision number
sed -i "s/\(Release:\)\(.*\)1/\1\2${PR}-gentoo/" META || die "Could not set Gentoo release"
fi
}
src_configure() {
set_arch_to_kernel
use custom-cflags || strip-flags
filter-ldflags -Wl,*
local myconf=(
CROSS_COMPILE="${CHOST}-"
HOSTCC="$(tc-getBUILD_CC)"
--bindir="${EPREFIX}/bin"
--sbindir="${EPREFIX}/sbin"
--with-config=kernel
--with-linux="${KV_DIR}"
--with-linux-obj="${KV_OUT_DIR}"
$(use_enable debug)
)
econf "${myconf[@]}"
}
src_compile() {
set_arch_to_kernel
myemakeargs=(
CROSS_COMPILE="${CHOST}-"
HOSTCC="$(tc-getBUILD_CC)"
V=1
)
emake "${myemakeargs[@]}"
}
src_install() {
set_arch_to_kernel
myemakeargs+=(
DEPMOD=:
DESTDIR="${D}"
INSTALL_MOD_PATH="${EPREFIX:-/}" # lib/modules/<kver> added by KBUILD
)
emake "${myemakeargs[@]}" install
einstalldocs
}
pkg_postinst() {
linux-mod_pkg_postinst
# Remove old modules
if [[ -d "${EROOT}/lib/modules/${KV_FULL}/addon/zfs" ]]; then
ewarn "${PN} now installs modules in ${EROOT}/lib/modules/${KV_FULL}/extra/zfs"
ewarn "Old modules were detected in ${EROOT}/lib/modules/${KV_FULL}/addon/zfs"
ewarn "Automatically removing old modules to avoid problems."
rm -r "${EROOT}/lib/modules/${KV_FULL}/addon/zfs" || die "Cannot remove modules"
rmdir --ignore-fail-on-non-empty "${EROOT}/lib/modules/${KV_FULL}/addon"
fi
if [[ -z ${ROOT} ]] && use dist-kernel; then
set_arch_to_portage
dist-kernel_reinstall_initramfs "${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
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 ZFSOnLinux. To"
ewarn "create a newpool that is backward compatible wih GRUB2, use "
ewarn
ewarn "zpool create -d -o feature@async_destroy=enabled "
ewarn " -o feature@empty_bpobj=enabled -o feature@lz4_compress=enabled"
ewarn " -o feature@spacemap_histogram=enabled"
ewarn " -o feature@enabled_txg=enabled "
ewarn " -o feature@extensible_dataset=enabled -o feature@bookmarks=enabled"
ewarn " ..."
ewarn
ewarn "GRUB2 support will be updated as soon as either the GRUB2"
ewarn "developers do a tag or the Gentoo developers find time to backport"
ewarn "support from GRUB2 HEAD."
}