diff options
| author | Shaohua Li <[email protected]> | 2017-09-21 10:29:22 -0700 |
|---|---|---|
| committer | Shaohua Li <[email protected]> | 2017-09-27 20:08:29 -0700 |
| commit | c4d6a1b8e8ea79c439a4871cba540443c9eb13b9 (patch) | |
| tree | 782289f1af0633af764aa1cb8a775efedb2d8934 | |
| parent | 79bf31a3b2a7ca467cfec8ff97d359a77065d01f (diff) | |
dm-raid: fix a race condition in request handling
raid_map calls pers->make_request, which missed the suspend check. Fix it with
the new md_handle_request API.
Fix: cc27b0c78c79(md: fix deadlock between mddev_suspend() and md_write_start())
Cc: Heinz Mauelshagen <[email protected]>
Cc: Mike Snitzer <[email protected]>
Cc: [email protected]
Reviewed-by: NeilBrown <[email protected]>
Signed-off-by: Shaohua Li <[email protected]>
| -rw-r--r-- | drivers/md/dm-raid.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 5bfe285ea9d1..1ac58c5651b7 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -3238,7 +3238,7 @@ static int raid_map(struct dm_target *ti, struct bio *bio) if (unlikely(bio_end_sector(bio) > mddev->array_sectors)) return DM_MAPIO_REQUEUE; - mddev->pers->make_request(mddev, bio); + md_handle_request(mddev, bio); return DM_MAPIO_SUBMITTED; } |