From: Christoph Hellwig hch@lst.de
commit ed4d0a4ea11e19863952ac6a7cea3bbb27ccd452 upstream.
The on-disk value is little endian and we need to convert it to native endian before storing the value in the in-core structure.
Fixes: 7564beda19b36 ("md-cluster/raid10: support add disk under grow mode") Cc: stable@vger.kernel.org # 4.20+ Acked-by: Guoqing Jiang gqjiang@suse.com Signed-off-by: Christoph Hellwig hch@lst.de Signed-off-by: Song Liu songliubraving@fb.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/md/md.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -9229,7 +9229,7 @@ static void check_sb_changes(struct mdde * reshape is happening in the remote node, we need to * update reshape_position and call start_reshape. */ - mddev->reshape_position = sb->reshape_position; + mddev->reshape_position = le64_to_cpu(sb->reshape_position); if (mddev->pers->update_reshape_pos) mddev->pers->update_reshape_pos(mddev); if (mddev->pers->start_reshape)