diff options
author | NeilBrown <neilb@suse.de> | 2011-04-18 04:25:41 -0400 |
---|---|---|
committer | NeilBrown <neilb@suse.de> | 2011-04-18 04:25:41 -0400 |
commit | e1dfa0a29737142c32f00a3bac0f609dc85b4a82 (patch) | |
tree | 1af906cc5e959803e7d5ea0e56fb69b56754501a /drivers/md/raid1.c | |
parent | 99e22598e9a8e0a996d69c8c0f6b7027cb57720a (diff) |
md: use new plugging interface for RAID IO.
md/raid submits a lot of IO from the various raid threads.
So adding start/finish plug calls to those so that some
plugging happens.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r-- | drivers/md/raid1.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index c2a21ae56d97..5449cd5e3141 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c | |||
@@ -1516,9 +1516,11 @@ static void raid1d(mddev_t *mddev) | |||
1516 | conf_t *conf = mddev->private; | 1516 | conf_t *conf = mddev->private; |
1517 | struct list_head *head = &conf->retry_list; | 1517 | struct list_head *head = &conf->retry_list; |
1518 | mdk_rdev_t *rdev; | 1518 | mdk_rdev_t *rdev; |
1519 | struct blk_plug plug; | ||
1519 | 1520 | ||
1520 | md_check_recovery(mddev); | 1521 | md_check_recovery(mddev); |
1521 | 1522 | ||
1523 | blk_start_plug(&plug); | ||
1522 | for (;;) { | 1524 | for (;;) { |
1523 | char b[BDEVNAME_SIZE]; | 1525 | char b[BDEVNAME_SIZE]; |
1524 | 1526 | ||
@@ -1593,6 +1595,7 @@ static void raid1d(mddev_t *mddev) | |||
1593 | } | 1595 | } |
1594 | cond_resched(); | 1596 | cond_resched(); |
1595 | } | 1597 | } |
1598 | blk_finish_plug(&plug); | ||
1596 | } | 1599 | } |
1597 | 1600 | ||
1598 | 1601 | ||