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author | Ingo Molnar <mingo@elte.hu> | 2011-05-12 09:36:18 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-05-12 09:36:18 +0200 |
commit | 9cb5baba5e3acba0994ad899ee908799104c9965 (patch) | |
tree | d5ff16000256a0bf56279926e6114b4603ede2b4 /fs/btrfs/volumes.c | |
parent | 7142d17e8f935fa842e9f6eece2281b6d41625d6 (diff) | |
parent | 693d92a1bbc9e42681c42ed190bd42b636ca876f (diff) |
Merge commit 'v2.6.39-rc7' into sched/core
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r-- | fs/btrfs/volumes.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 309a57b9fc8..c7367ae5a3e 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -155,6 +155,15 @@ static noinline int run_scheduled_bios(struct btrfs_device *device) unsigned long limit; unsigned long last_waited = 0; int force_reg = 0; + struct blk_plug plug; + + /* + * this function runs all the bios we've collected for + * a particular device. We don't want to wander off to + * another device without first sending all of these down. + * So, setup a plug here and finish it off before we return + */ + blk_start_plug(&plug); bdi = blk_get_backing_dev_info(device->bdev); fs_info = device->dev_root->fs_info; @@ -294,6 +303,7 @@ loop_lock: spin_unlock(&device->io_lock); done: + blk_finish_plug(&plug); return 0; } |