Commit 3953403c authored by Jason Yan's avatar Jason Yan Committed by Greg Kroah-Hartman

md: fix super_offset endianness in super_1_rdev_size_change

commit 3fb632e4 upstream.

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: default avatarJason Yan <yanaijie@huawei.com>
Signed-off-by: default avatarShaohua Li <shli@fb.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9a37d02c
...@@ -1861,7 +1861,7 @@ super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors) ...@@ -1861,7 +1861,7 @@ super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors)
} }
sb = page_address(rdev->sb_page); sb = page_address(rdev->sb_page);
sb->data_size = cpu_to_le64(num_sectors); 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); sb->sb_csum = calc_sb_1_csum(sb);
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size, md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
rdev->sb_page); rdev->sb_page);
......
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