commit:     0857fb0eb7f899970b8bcd787e521e351c1502af
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Sun Nov  5 20:37:17 2023 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sun Nov  5 20:37:17 2023 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=0857fb0e

sys-fs/btrfs-progs: fix bad ioctl definition in 6.6

Signed-off-by: Sam James <sam <AT> gentoo.org>

 sys-fs/btrfs-progs/btrfs-progs-6.6-r2.ebuild       | 167 +++++++++++++++++++++
 .../files/btrfs-progs-6.6-fix-ioctl-typo.patch     |  32 ++++
 2 files changed, 199 insertions(+)

diff --git a/sys-fs/btrfs-progs/btrfs-progs-6.6-r2.ebuild 
b/sys-fs/btrfs-progs/btrfs-progs-6.6-r2.ebuild
new file mode 100644
index 000000000000..4b34fe4eb69e
--- /dev/null
+++ b/sys-fs/btrfs-progs/btrfs-progs-6.6-r2.ebuild
@@ -0,0 +1,167 @@
+# Copyright 2008-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..11} )
+inherit bash-completion-r1 python-single-r1 udev
+
+libbtrfs_soname=0
+
+if [[ ${PV} != 9999 ]]; then
+       MY_PV="v${PV/_/-}"
+       # XXX: Drop .respun after 6.6
+       # 
https://lore.kernel.org/linux-btrfs/[email protected]/T/#u
+       
SRC_URI="https://www.kernel.org/pub/linux/kernel/people/kdave/${PN}/${PN}-${MY_PV}.tar.xz
 -> ${PN}-${MY_PV}.respun.tar.xz"
+
+       if [[ ${PV} != *_rc* ]] ; then
+               KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ia64 ~loong ~mips ~ppc 
~ppc64 ~riscv ~sparc ~x86"
+       fi
+
+       S="${WORKDIR}"/${PN}-${MY_PV}
+else
+       EGIT_REPO_URI="https://github.com/kdave/btrfs-progs.git";
+       EGIT_BRANCH="devel"
+       WANT_LIBTOOL="none"
+       inherit autotools git-r3
+fi
+
+DESCRIPTION="Btrfs filesystem utilities"
+HOMEPAGE="https://btrfs.readthedocs.io/en/latest/";
+
+LICENSE="GPL-2"
+SLOT="0/${libbtrfs_soname}"
+IUSE="+convert python +man reiserfs static static-libs udev +zstd"
+# Could support it with just !systemd => eudev, see mdadm, but let's
+# see if someone asks for it first.
+REQUIRED_USE="static? ( !udev ) python? ( ${PYTHON_REQUIRED_USE} )"
+
+# Tries to mount repaired filesystems
+RESTRICT="test"
+
+RDEPEND="
+       dev-libs/lzo:2=
+       sys-apps/util-linux:=[static-libs(+)?]
+       sys-libs/zlib:=
+       convert? (
+               sys-fs/e2fsprogs:=
+               reiserfs? (
+                       >=sys-fs/reiserfsprogs-3.6.27
+               )
+       )
+       python? ( ${PYTHON_DEPS} )
+       udev? ( virtual/libudev:= )
+       zstd? ( app-arch/zstd:= )
+"
+DEPEND="
+       ${RDEPEND}
+       >=sys-kernel/linux-headers-5.10
+       convert? ( sys-apps/acl )
+       python? (
+               $(python_gen_cond_dep '
+                       dev-python/setuptools[${PYTHON_USEDEP}]
+               ')
+       )
+       static? (
+               dev-libs/lzo:2[static-libs(+)]
+               sys-apps/util-linux:0[static-libs(+)]
+               sys-libs/zlib:0[static-libs(+)]
+               convert? (
+                       sys-fs/e2fsprogs[static-libs(+)]
+                       reiserfs? (
+                               >=sys-fs/reiserfsprogs-3.6.27[static-libs(+)]
+                       )
+               )
+               zstd? ( app-arch/zstd[static-libs(+)] )
+       )
+"
+BDEPEND="
+       virtual/pkgconfig
+       man? ( dev-python/sphinx )
+"
+
+if [[ ${PV} == 9999 ]]; then
+       BDEPEND+=" sys-devel/gnuconfig"
+fi
+
+PATCHES=(
+       "${FILESDIR}"/${PN}-6.6-fix-ioctl-typo.patch
+)
+
+pkg_setup() {
+       use python && python-single-r1_pkg_setup
+}
+
+src_prepare() {
+       default
+
+       if [[ ${PV} == 9999 ]]; then
+               AT_M4DIR="m4" eautoreconf
+
+               mkdir config || die
+               local automakedir="$(autotools_run_tool --at-output automake 
--print-libdir)"
+               [[ -e ${automakedir} ]] || die "Could not locate automake 
directory"
+
+               ln -s "${automakedir}"/install-sh config/install-sh || die
+               ln -s "${BROOT}"/usr/share/gnuconfig/config.guess 
config/config.guess || die
+               ln -s "${BROOT}"/usr/share/gnuconfig/config.sub 
config/config.sub || die
+       fi
+}
+
+src_configure() {
+       local myeconfargs=(
+               --bindir="${EPREFIX}"/sbin
+
+               --enable-lzo
+               --disable-experimental
+               $(use_enable convert)
+               $(use_enable man documentation)
+               $(use_enable elibc_glibc backtrace)
+               $(use_enable python)
+               $(use_enable static-libs static)
+               $(use_enable udev libudev)
+               $(use_enable zstd)
+
+               # Could support libgcrypt, libsodium, libkcapi
+               --with-crypto=builtin
+               --with-convert=ext2$(usex reiserfs ',reiserfs' '')
+       )
+
+       econf "${myeconfargs[@]}"
+}
+
+src_compile() {
+       emake V=1 all $(usev static)
+}
+
+src_test() {
+       emake -j1 -C tests V=1 test
+
+       if use python ; then
+               cd libbtrfsutil/python || die
+
+               local -x 
LD_LIBRARY_PATH="${S}:libbtrfsutil/python:${LD_LIBRARY_PATH}"
+               ${EPYTHON} -m unittest tests/test_*.py || die "Tests failed 
with ${EPYTHON}"
+       fi
+}
+
+src_install() {
+       local makeargs=(
+               $(usev python install_python)
+               $(usev static install-static)
+       )
+
+       emake V=1 DESTDIR="${D}" install "${makeargs[@]}"
+
+       newbashcomp btrfs-completion btrfs
+
+       use python && python_optimize
+}
+
+pkg_postinst() {
+       udev_reload
+}
+
+pkg_postrm() {
+       udev_reload
+}

diff --git a/sys-fs/btrfs-progs/files/btrfs-progs-6.6-fix-ioctl-typo.patch 
b/sys-fs/btrfs-progs/files/btrfs-progs-6.6-fix-ioctl-typo.patch
new file mode 100644
index 000000000000..a06b6bac6754
--- /dev/null
+++ b/sys-fs/btrfs-progs/files/btrfs-progs-6.6-fix-ioctl-typo.patch
@@ -0,0 +1,32 @@
+https://github.com/kdave/btrfs-progs/pull/706
+
+From 027a08d659033e3b892760bfd4c19c6db9e9fa3f Mon Sep 17 00:00:00 2001
+From: Sergei Trofimovich <[email protected]>
+Date: Sun, 5 Nov 2023 20:13:07 +0000
+Subject: [PATCH] kernel-shared/uapi/btrfs.h: fix BTRFS_IOC_SCAN_DEV
+
+Without the change `BTRFS_IOC_SCAN_DEV` aliased with `BTRFS_IOC_FORGET_DEV`.
+It's a regression introduced in fcd9142b6 "btrfs-progs: docs: formatting,
+fixups, updates".
+
+It manifests as a sudden device disappearance when device is scanned:
+
+    machine # [    4.095032] Btrfs loaded, crc32c=crc32c-intel, zoned=no, 
fsverity=no
+    machine # ERROR: device scan failed on '/dev/vdb': No such file or 
directory
+    machine # ERROR: device scan failed on '/dev/vdc': No such file or 
directory
+    (finished: must succeed: mkfs.btrfs -d raid0 /dev/vdb /dev/vdc, in 10.31 
seconds)
+
+Reported-by: Atemu <[email protected]>
+Bug: https://github.com/NixOS/nixpkgs/issues/265668
+--- a/kernel-shared/uapi/btrfs.h
++++ b/kernel-shared/uapi/btrfs.h
+@@ -1171,7 +1171,7 @@ enum btrfs_err_code {
+                                  struct btrfs_ioctl_vol_args)
+ #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
+                                  struct btrfs_ioctl_vol_args)
+-#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 5, \
++#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
+                                  struct btrfs_ioctl_vol_args)
+ #define BTRFS_IOC_FORGET_DEV _IOW(BTRFS_IOCTL_MAGIC, 5, \
+                                  struct btrfs_ioctl_vol_args)
+

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