diff options
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 911670273d..e138922d51 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1345,6 +1345,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, int first_clone; int max_sectors; bool write_behind = false; + bool is_discard = (bio_op(bio) == REQ_OP_DISCARD); if (mddev_is_clustered(mddev) && md_cluster_ops->area_resyncing(mddev, WRITE, @@ -1405,7 +1406,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, * write-mostly, which means we could allocate write behind * bio later. */ - if (rdev && test_bit(WriteMostly, &rdev->flags)) + if (!is_discard && rdev && test_bit(WriteMostly, &rdev->flags)) write_behind = true; if (rdev && unlikely(test_bit(Blocked, &rdev->flags))) { @@ -3122,8 +3123,7 @@ static int raid1_run(struct mddev *mddev) mdname(mddev)); return -EIO; } - if (mddev_init_writes_pending(mddev) < 0) - return -ENOMEM; + /* * copy the already verified devices into our private RAID1 * bookkeeping area. [whatever we allocate in run(), |