4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Tomasz Majchrzak <[email protected]> commit 9b622e2bbcf049c82e2550d35fb54ac205965f50 upstream. md pending write counter must be incremented after bio is split, otherwise it gets decremented too many times in end bio callback and becomes negative. Signed-off-by: Tomasz Majchrzak <[email protected]> Reviewed-by: Artur Paszkiewicz <[email protected]> Signed-off-by: Shaohua Li <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/md/raid10.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1072,6 +1072,8 @@ static void __make_request(struct mddev int max_sectors; int sectors; + md_write_start(mddev, bio); + /* * Register the new request and wait if the reconstruction * thread has put up a bar for new requests. @@ -1455,8 +1457,6 @@ static void make_request(struct mddev *m return; } - md_write_start(mddev, bio); - do { /*
