commit:     cfd4165530beb09e3e75d91fe56b2dcce910aadc
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Thu Jun 30 01:55:16 2022 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Thu Jun 30 10:37:49 2022 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=cfd41655

sys-fs/zfs: backport build fixes and non-root dracut boot fix

Closes: https://bugs.gentoo.org/855182
Closes: https://bugs.gentoo.org/854333
Signed-off-by: Sam James <sam <AT> gentoo.org>

 sys-fs/zfs/files/2.1.5-build-issues.patch    |  74 +++++++
 sys-fs/zfs/files/2.1.5-dracut-non-root.patch |  33 +++
 sys-fs/zfs/zfs-2.1.5-r1.ebuild               | 310 +++++++++++++++++++++++++++
 3 files changed, 417 insertions(+)

diff --git a/sys-fs/zfs/files/2.1.5-build-issues.patch 
b/sys-fs/zfs/files/2.1.5-build-issues.patch
new file mode 100644
index 000000000000..cca6561b16f7
--- /dev/null
+++ b/sys-fs/zfs/files/2.1.5-build-issues.patch
@@ -0,0 +1,74 @@
+https://github.com/openzfs/zfs/commit/a6e8113fed8a508ffda13cf1c4d8da99a4e8133a
+https://github.com/openzfs/zfs/commit/60e389ca10085acfa7cd35f79ab4465d968a942f
+Cherry-picked from https://github.com/openzfs/zfs/pull/13575
+
+https://bugs.gentoo.org/855182
+--- a/config/always-compiler-options.m4
++++ b/config/always-compiler-options.m4
+@@ -205,6 +205,29 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_CC_NO_OMIT_FRAME_POINTER], 
[
+       AC_SUBST([NO_OMIT_FRAME_POINTER])
+ ])
+ 
++dnl #
++dnl # Check if cc supports -Winfinite-recursion option.
++dnl #
++AC_DEFUN([ZFS_AC_CONFIG_ALWAYS_CC_INFINITE_RECURSION], [
++      AC_MSG_CHECKING([whether $CC supports -Winfinite-recursion])
++
++      saved_flags="$CFLAGS"
++      CFLAGS="$CFLAGS -Werror -Winfinite-recursion"
++
++      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
++              INFINITE_RECURSION=-Winfinite-recursion
++              AC_DEFINE([HAVE_INFINITE_RECURSION], 1,
++                      [Define if compiler supports -Winfinite-recursion])
++              AC_MSG_RESULT([yes])
++      ], [
++              INFINITE_RECURSION=
++              AC_MSG_RESULT([no])
++      ])
++
++      CFLAGS="$saved_flags"
++      AC_SUBST([INFINITE_RECURSION])
++])
++
+ dnl #
+ dnl # Check if cc supports -fno-ipa-sra option.
+ dnl #
+--- a/config/zfs-build.m4
++++ b/config/zfs-build.m4
+@@ -211,6 +211,7 @@ AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [
+ 
+       ZFS_AC_CONFIG_ALWAYS_CC_NO_UNUSED_BUT_SET_VARIABLE
+       ZFS_AC_CONFIG_ALWAYS_CC_NO_BOOL_COMPARE
++      ZFS_AC_CONFIG_ALWAYS_CC_INFINITE_RECURSION
+       ZFS_AC_CONFIG_ALWAYS_CC_IMPLICIT_FALLTHROUGH
+       ZFS_AC_CONFIG_ALWAYS_CC_FRAME_LARGER_THAN
+       ZFS_AC_CONFIG_ALWAYS_CC_NO_FORMAT_TRUNCATION
+--- a/module/lua/ldo.c
++++ b/module/lua/ldo.c
+@@ -168,6 +168,13 @@ static void seterrorobj (lua_State *L, int errcode, StkId 
oldtop) {
+   L->top = oldtop + 1;
+ }
+ 
++/*
++ * Silence infinite recursion warning which was added to -Wall in gcc 12.1
++ */
++#if defined(HAVE_INFINITE_RECURSION)
++#pragma GCC diagnostic push
++#pragma GCC diagnostic ignored "-Winfinite-recursion"
++#endif
+ 
+ l_noret luaD_throw (lua_State *L, int errcode) {
+   if (L->errorJmp) {  /* thread has an error handler? */
+@@ -190,6 +197,10 @@ l_noret luaD_throw (lua_State *L, int errcode) {
+   }
+ }
+ 
++#if defined(HAVE_INFINITE_RECURSION)
++#pragma GCC diagnostic pop
++#endif
++
+ 
+ int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud) {
+   unsigned short oldnCcalls = L->nCcalls;

diff --git a/sys-fs/zfs/files/2.1.5-dracut-non-root.patch 
b/sys-fs/zfs/files/2.1.5-dracut-non-root.patch
new file mode 100644
index 000000000000..6d1caf92cd2d
--- /dev/null
+++ b/sys-fs/zfs/files/2.1.5-dracut-non-root.patch
@@ -0,0 +1,33 @@
+https://github.com/openzfs/zfs/pull/13589
+https://bugs.gentoo.org/854333
+
+From ef9d996669cc2ec596d4e90753b89b32a3f0ce59 Mon Sep 17 00:00:00 2001
+From: "Andrew J. Hesford" <[email protected]>
+Date: Fri, 24 Jun 2022 11:05:53 -0400
+Subject: [PATCH] Dracut module: fix parsing of root= kernel command-line
+ argument
+
+Some Dracut modules may read the `root=` kernel command-line argument
+and rewrite it; in particular, `rootfs-block` installs a command-line
+hook that to canonicalize arguments that specify block devices. If the
+`zfs` module is added to an initramfs (which it is, by default, as long
+as the core ZFS utilities are available) on a system that does not use a
+ZFS root filesystem, the `zfs` module will overwrite the `root` shell
+variable with the contents of the kernel command-line in the process of
+determining if it should control mounting the root. This breaks the
+initramfs. To solve this problem, only parse the kernel command-line
+directly if the `root` shell variable is empty; otherwise, rely on the
+parsing (and possible rewriting) done by other modules.
+
+Signed-off-by: Andrew J. Hesford <[email protected]>
+--- a/contrib/dracut/90zfs/zfs-lib.sh.in
++++ b/contrib/dracut/90zfs/zfs-lib.sh.in
+@@ -88,7 +88,7 @@ decode_root_args() {
+         return
+     fi
+ 
+-    root=$(getarg root=)
++    [ -n  "$root" ] || root=$(getarg root=)
+     rootfstype=$(getarg rootfstype=)
+ 
+     # shellcheck disable=SC2249

diff --git a/sys-fs/zfs/zfs-2.1.5-r1.ebuild b/sys-fs/zfs/zfs-2.1.5-r1.ebuild
new file mode 100644
index 000000000000..7f0466ea0e20
--- /dev/null
+++ b/sys-fs/zfs/zfs-2.1.5-r1.ebuild
@@ -0,0 +1,310 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+DISTUTILS_OPTIONAL=1
+PYTHON_COMPAT=( python3_{8..10} )
+
+inherit autotools bash-completion-r1 dist-kernel-utils distutils-r1 
flag-o-matic linux-info pam systemd udev usr-ldscript
+
+DESCRIPTION="Userland utilities for ZFS Linux kernel module"
+HOMEPAGE="https://github.com/openzfs/zfs";
+
+if [[ ${PV} == "9999" ]]; then
+       inherit git-r3 linux-mod
+       EGIT_REPO_URI="https://github.com/openzfs/zfs.git";
+else
+       VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/openzfs.asc
+       inherit verify-sig
+
+       MY_P="${P/_rc/-rc}"
+       
SRC_URI="https://github.com/openzfs/${PN}/releases/download/${MY_P}/${MY_P}.tar.gz";
+       SRC_URI+=" verify-sig? ( 
https://github.com/openzfs/${PN}/releases/download/${MY_P}/${MY_P}.tar.gz.asc )"
+       S="${WORKDIR}/${P%_rc?}"
+
+       if [[ ${PV} != *_rc* ]]; then
+               KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv"
+       fi
+fi
+
+LICENSE="BSD-2 CDDL MIT"
+# just libzfs soname major for now.
+# possible candidates: libuutil, libzpool, libnvpair. Those do not provide 
stable abi, but are considered.
+# see libsoversion_check() below as well
+SLOT="0/5"
+IUSE="custom-cflags debug dist-kernel kernel-builtin minimal nls pam python 
+rootfs test-suite"
+
+DEPEND="
+       net-libs/libtirpc:=
+       sys-apps/util-linux
+       sys-libs/zlib
+       virtual/libudev:=
+       dev-libs/openssl:0=
+       !minimal? ( ${PYTHON_DEPS} )
+       pam? ( sys-libs/pam )
+       python? (
+               virtual/python-cffi[${PYTHON_USEDEP}]
+       )
+"
+
+BDEPEND="virtual/awk
+       virtual/pkgconfig
+       nls? ( sys-devel/gettext )
+       python? (
+               dev-python/setuptools[${PYTHON_USEDEP}]
+               || (
+                       dev-python/packaging[${PYTHON_USEDEP}]
+                       dev-python/distlib[${PYTHON_USEDEP}]
+               )
+       )
+"
+
+if [[ ${PV} != "9999" ]] ; then
+       BDEPEND+=" verify-sig? ( sec-keys/openpgp-keys-openzfs )"
+fi
+
+# awk is used for some scripts, completions, and the Dracut module
+RDEPEND="${DEPEND}
+       !kernel-builtin? ( ~sys-fs/zfs-kmod-${PV}:= )
+       !prefix? ( virtual/udev )
+       sys-fs/udev-init-scripts
+       virtual/awk
+       dist-kernel? ( virtual/dist-kernel:= )
+       rootfs? (
+               app-arch/cpio
+               app-misc/pax-utils
+               !<sys-kernel/genkernel-3.5.1.1
+       )
+       test-suite? (
+               app-shells/ksh
+               sys-apps/kmod[tools]
+               sys-apps/util-linux
+               sys-devel/bc
+               sys-block/parted
+               sys-fs/lsscsi
+               sys-fs/mdadm
+               sys-process/procps
+       )
+"
+
+# PDEPEND in this form is needed to trick portage suggest
+# enabling dist-kernel if only 1 package have it set, without suggesting to 
disable
+PDEPEND="dist-kernel? ( ~sys-fs/zfs-kmod-${PV}[dist-kernel] )"
+
+REQUIRED_USE="
+       !minimal? ( ${PYTHON_REQUIRED_USE} )
+       python? ( !minimal )
+       test-suite? ( !minimal )
+"
+
+RESTRICT="test"
+
+PATCHES=(
+       # bug #855182
+       "${FILESDIR}"/${PV}-build-issues.patch
+       # bug #854333
+       "${FILESDIR}"/${PV}-dracut-non-root.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() {
+       if use kernel_linux; then
+               linux-info_pkg_setup
+
+               if ! linux_config_exists; then
+                       ewarn "Cannot check the linux kernel configuration."
+               else
+                       if use test-suite; then
+                               if linux_chkconfig_present BLK_DEV_LOOP; then
+                                       eerror "The ZFS test suite requires 
loop device support enabled."
+                                       eerror "Please enable it:"
+                                       eerror "    CONFIG_BLK_DEV_LOOP=y"
+                                       eerror "in /usr/src/linux/.config or"
+                                       eerror "    Device Drivers --->"
+                                       eerror "        Block devices --->"
+                                       eerror "            [X] Loopback device 
support"
+                               fi
+                       fi
+               fi
+       fi
+}
+
+libsoversion_check() {
+       local bugurl libzfs_sover
+       
bugurl="https://bugs.gentoo.org/enter_bug.cgi?form_name=enter_bug&product=Gentoo+Linux&component=Current+packages";
+
+       libzfs_sover="$(grep 'libzfs_la_LDFLAGS += -version-info' 
lib/libzfs/Makefile.am \
+               | grep -Eo '[0-9]+:[0-9]+:[0-9]+')"
+       libzfs_sover="${libzfs_sover%%:*}"
+
+       if [[ ${libzfs_sover} -ne $(ver_cut 2 ${SLOT}) ]]; then
+               echo
+               eerror "BUG BUG BUG BUG BUG BUG BUG BUG"
+               eerror "ebuild subslot does not match libzfs soversion!"
+               eerror "libzfs soversion: ${libzfs_sover}"
+               eerror "ebuild value: $(ver_cut 2 ${SLOT})"
+               eerror "This is a bug in the ebuild, please use the following 
URL to report it"
+               eerror "${bugurl}&short_desc=${CATEGORY}%2F${P}+update+subslot"
+               echo
+               # we want to abort for releases, but just print a warning for 
live ebuild
+               # to keep package installable
+               [[  ${PV} == "9999" ]] || die
+       fi
+}
+
+src_prepare() {
+       default
+       libsoversion_check
+
+       # Run unconditionally (bug #792627)
+       eautoreconf
+
+       if [[ ${PV} != "9999" ]]; then
+               # Set revision number
+               sed -i "s/\(Release:\)\(.*\)1/\1\2${PR}-gentoo/" META || die 
"Could not set Gentoo release"
+       fi
+
+       if use python; then
+               pushd contrib/pyzfs >/dev/null || die
+               distutils-r1_src_prepare
+               popd >/dev/null || die
+       fi
+
+       # prevent errors showing up on zfs-mount stop, #647688
+       # openrc will unmount all filesystems anyway.
+       sed -i "/^ZFS_UNMOUNT=/ s/yes/no/" "etc/default/zfs.in" || die
+}
+
+src_configure() {
+       use custom-cflags || strip-flags
+       use minimal || python_setup
+
+       local myconf=(
+               --bindir="${EPREFIX}/bin"
+               --enable-shared
+               --enable-sysvinit
+               --localstatedir="${EPREFIX}/var"
+               --sbindir="${EPREFIX}/sbin"
+               --with-config=user
+               --with-dracutdir="${EPREFIX}/usr/lib/dracut"
+               --with-linux="${KV_DIR}"
+               --with-linux-obj="${KV_OUT_DIR}"
+               --with-udevdir="$(get_udevdir)"
+               --with-pamconfigsdir="${EPREFIX}/unwanted_files"
+               --with-pammoduledir="$(getpam_mod_dir)"
+               --with-systemdunitdir="$(systemd_get_systemunitdir)"
+               --with-systemdpresetdir="$(systemd_get_systempresetdir)"
+               --with-vendor=gentoo
+               # Building zfs-mount-generator.c on musl breaks as strndupa
+               # isn't available. But systemd doesn't support musl anyway, so
+               # just disable building it.
+               $(use_enable !elibc_musl systemd)
+               $(use_enable debug)
+               $(use_enable nls)
+               $(use_enable pam)
+               $(use_enable python pyzfs)
+               --disable-static
+               $(usex minimal --without-python --with-python="${EPYTHON}")
+       )
+
+       econf "${myconf[@]}"
+}
+
+src_compile() {
+       default
+       if use python; then
+               pushd contrib/pyzfs >/dev/null || die
+               distutils-r1_src_compile
+               popd >/dev/null || die
+       fi
+}
+
+src_install() {
+       default
+
+       gen_usr_ldscript -a nvpair uutil zfsbootenv zfs zfs_core zpool
+
+       use pam && { rm -rv "${ED}/unwanted_files" || die ; }
+
+       use test-suite || { rm -r 
"${ED}"/usr/share/zfs/{test-runner,zfs-tests,runfiles,*sh} || die ; }
+
+       find "${ED}" -name '*.la' -delete || die
+
+       dobashcomp contrib/bash_completion.d/zfs
+       bashcomp_alias zfs zpool
+
+       # strip executable bit from conf.d file
+       fperms 0644 /etc/conf.d/zfs
+
+       if use python; then
+               pushd contrib/pyzfs >/dev/null || die
+               distutils-r1_src_install
+               popd >/dev/null || die
+       fi
+
+       # enforce best available python implementation
+       use minimal || python_fix_shebang "${ED}/bin"
+}
+
+pkg_postinst() {
+       udev_reload
+
+       # we always need userspace utils in sync with zfs-kmod
+       # so force initrd update for userspace as well, to avoid
+       # situation when zfs-kmod trigger initrd rebuild before
+       # userspace component is rebuilt
+       # KV_* variables are provided by linux-info.eclass
+       if [[ -z ${ROOT} ]] && use dist-kernel; then
+               dist-kernel_reinstall_initramfs "${KV_DIR}" "${KV_FULL}"
+       fi
+
+       if use rootfs; then
+               if ! has_version sys-kernel/genkernel && ! has_version 
sys-kernel/dracut; then
+                       elog "Root on zfs requires an initramfs to boot"
+                       elog "The following packages provide one and are tested 
on a regular basis:"
+                       elog "  sys-kernel/dracut ( preferred, module 
maintained by zfs developers )"
+                       elog "  sys-kernel/genkernel"
+               fi
+       fi
+
+       if ! use kernel-builtin && [[ ${PV} == "9999" ]]; then
+               einfo "Adding ${P} to the module database to ensure that the"
+               einfo "kernel modules and userland utilities stay in sync."
+               update_moduledb
+       fi
+
+       if systemd_is_booted || has_version sys-apps/systemd; then
+               einfo "Please refer to 
${EROOT}/$(systemd_get_systempresetdir)/50-zfs.preset"
+               einfo "for default zfs systemd service configuration"
+       else
+               [[ -e "${EROOT}/etc/runlevels/boot/zfs-import" ]] || \
+                       einfo "You should add zfs-import to the boot runlevel."
+               [[ -e "${EROOT}/etc/runlevels/boot/zfs-load-key" ]] || \
+                       einfo "You should add zfs-load-key to the boot 
runlevel."
+               [[ -e "${EROOT}/etc/runlevels/boot/zfs-mount" ]]|| \
+                       einfo "You should add zfs-mount to the boot runlevel."
+               [[ -e "${EROOT}/etc/runlevels/default/zfs-share" ]] || \
+                       einfo "You should add zfs-share to the default 
runlevel."
+               [[ -e "${EROOT}/etc/runlevels/default/zfs-zed" ]] || \
+                       einfo "You should add zfs-zed to the default runlevel."
+       fi
+}
+
+pkg_postrm() {
+       udev_reload
+
+       if ! use kernel-builtin && [[ ${PV} == "9999" ]]; then
+               remove_moduledb
+       fi
+}

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