This is a note to let you know that I've just added the patch titled
md: fix super_offset endianness in super_1_rdev_size_change
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
md-fix-super_offset-endianness-in-super_1_rdev_size_change.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3fb632e40d7667d8bedfabc28850ac06d5493f54 Mon Sep 17 00:00:00 2001
From: Jason Yan <yanaijie@xxxxxxxxxx>
Date: Fri, 10 Mar 2017 11:27:23 +0800
Subject: md: fix super_offset endianness in super_1_rdev_size_change
From: Jason Yan <yanaijie@xxxxxxxxxx>
commit 3fb632e40d7667d8bedfabc28850ac06d5493f54 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: Jason Yan <yanaijie@xxxxxxxxxx>
Signed-off-by: Shaohua Li <shli@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/md/md.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1861,7 +1861,7 @@ super_1_rdev_size_change(struct md_rdev
}
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);
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
rdev->sb_page);
Patches currently in stable-queue which might be from yanaijie@xxxxxxxxxx are
queue-4.9/md-fix-incorrect-use-of-lexx_to_cpu-in-does_sb_need_changing.patch
queue-4.9/md-fix-super_offset-endianness-in-super_1_rdev_size_change.patch