diff options
Diffstat (limited to 'libre/linux-libre')
| -rw-r--r-- | libre/linux-libre/PKGBUILD | 7 | ||||
| -rw-r--r-- | libre/linux-libre/md-raid0-fix-restore-to-sector-variable-in-raid0_mak.patch | 50 |
2 files changed, 56 insertions, 1 deletions
diff --git a/libre/linux-libre/PKGBUILD b/libre/linux-libre/PKGBUILD index ca13870d4..51c10d7c1 100644 --- a/libre/linux-libre/PKGBUILD +++ b/libre/linux-libre/PKGBUILD @@ -18,7 +18,7 @@ _replacesoldmodules=('linux-libre%-kmod-alx') # '%' gets replaced with _kernelna _srcname=linux-${_pkgbasever%-*} _archpkgver=${_pkgver%-*} pkgver=${_pkgver//-/_} -pkgrel=1 +pkgrel=2 arch=('i686' 'x86_64' 'mips64el') url="http://linux-libre.fsfla.org/" license=('GPL2') @@ -33,6 +33,7 @@ source=("http://linux-libre.fsfla.org/pub/linux-libre/releases/${_pkgbasever}/li # standard config files for mkinitcpio ramdisk 'linux.preset' 'logo_linux_'{clut224.ppm,vga16.ppm,mono.pbm} + 'md-raid0-fix-restore-to-sector-variable-in-raid0_mak.patch' 'change-default-console-loglevel.patch' # loongson-community patch: http://linux-libre.fsfla.org/pub/linux-libre/lemote/gnewsense/pool/debuginfo/ '4.0.2-ae91f13af5-loongson-community.patch') @@ -47,6 +48,7 @@ sha256sums=('0e2dd5be12c1f82ab3d03b89cbe3f1a20e14332ec42c102efb226a6283fdd38a' 'bfd4a7f61febe63c880534dcb7c31c5b932dde6acf991810b41a939a93535494' '6de8a8319271809ffdb072b68d53d155eef12438e6d04ff06a5a4db82c34fa8a' '13bd7a8d9ed6b6bc971e4cd162262c5a20448a83796af39ce394d827b0e5de74' + 'bc83293e64653d60793708a0e277741f57c018f5ea3551a8aff3a220df917ceb' '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99' '13e141279af2bc17decfc041e015710daac9a6cd1c9b4e871a76cb8f916b9e22') validpgpkeys=( @@ -78,6 +80,9 @@ prepare() { # add latest fixes from stable queue, if needed # http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git + # https://bugzilla.kernel.org/show_bug.cgi?id=98501 + patch -Np1 -i "${srcdir}/md-raid0-fix-restore-to-sector-variable-in-raid0_mak.patch" + # set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param) # remove this when a Kconfig knob is made available by upstream # (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227) diff --git a/libre/linux-libre/md-raid0-fix-restore-to-sector-variable-in-raid0_mak.patch b/libre/linux-libre/md-raid0-fix-restore-to-sector-variable-in-raid0_mak.patch new file mode 100644 index 000000000..9f09102dc --- /dev/null +++ b/libre/linux-libre/md-raid0-fix-restore-to-sector-variable-in-raid0_mak.patch @@ -0,0 +1,50 @@ +From a81157768a00e8cf8a7b43b5ea5cac931262374f Mon Sep 17 00:00:00 2001 +From: Eric Work <work.eric@gmail.com> +Date: Mon, 18 May 2015 23:26:23 -0700 +Subject: [PATCH] md/raid0: fix restore to sector variable in + raid0_make_request + +The variable "sector" in "raid0_make_request()" was improperly updated +by a call to "sector_div()" which modifies its first argument in place. +Commit 47d68979cc968535cb87f3e5f2e6a3533ea48fbd restored this variable +after the call for later re-use. Unfortunetly the restore was done after +the referenced variable "bio" was advanced. This lead to the original +value and the restored value being different. Here we move this line to +the proper place. + +One observed side effect of this bug was discarding a file though +unlinking would cause an unrelated file's contents to be discarded. + +Signed-off-by: NeilBrown <neilb@suse.de> +Fixes: 47d68979cc96 ("md/raid0: fix bug with chunksize not a power of 2.") +Cc: stable@vger.kernel.org (any that received above backport) +URL: https://bugzilla.kernel.org/show_bug.cgi?id=98501 +--- + drivers/md/raid0.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c +index 6a68ef5..efb654e 100644 +--- a/drivers/md/raid0.c ++++ b/drivers/md/raid0.c +@@ -524,6 +524,9 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio) + ? (sector & (chunk_sects-1)) + : sector_div(sector, chunk_sects)); + ++ /* Restore due to sector_div */ ++ sector = bio->bi_iter.bi_sector; ++ + if (sectors < bio_sectors(bio)) { + split = bio_split(bio, sectors, GFP_NOIO, fs_bio_set); + bio_chain(split, bio); +@@ -531,7 +534,6 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio) + split = bio; + } + +- sector = bio->bi_iter.bi_sector; + zone = find_zone(mddev->private, §or); + tmp_dev = map_sector(mddev, zone, sector, §or); + split->bi_bdev = tmp_dev->bdev; +-- +2.4.1 + |