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authorJason Yan <yanaijie@huawei.com>2017-03-10 11:27:23 +0800
committerShaohua Li <shli@fb.com>2017-03-10 12:54:37 -0800
commit3fb632e40d7667d8bedfabc28850ac06d5493f54 (patch)
treeed78f6f9076799bf9d9c3ba1726512b3a75ba115 /drivers/md
parent61eb2b43b99ebdc9bc6bc83d9792257b243e7cb3 (diff)
downloadlinux-3fb632e40d7667d8bedfabc28850ac06d5493f54.tar.bz2
md: fix super_offset endianness in super_1_rdev_size_change
The sb->super_offset should be big-endian, but the rdev->sb_start is in host byte order, so fix this by adding cpu_to_le64. Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index cd89ad3c3a0d..6e76d97a8fc3 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1879,7 +1879,7 @@ super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
}
sb = page_address(rdev->sb_page);
sb->data_size = cpu_to_le64(num_sectors);
- sb->super_offset = rdev->sb_start;
+ sb->super_offset = cpu_to_le64(rdev->sb_start);
sb->sb_csum = calc_sb_1_csum(sb);
do {
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,