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| author | Jens Axboe <jaxboe@fusionio.com> | 2011-03-17 10:51:40 +0100 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2011-03-17 10:51:40 +0100 |
| commit | 4ee2491ed8569f370bf4c1a4c046a6efb8032bd2 (patch) | |
| tree | bc59eedcaf0a889e7fac77414011aba22da3f500 | |
| parent | 9b6096a65f99a89dfd8328c4e469e7b53b3ae04a (diff) | |
| download | linux-3.10-4ee2491ed8569f370bf4c1a4c046a6efb8032bd2.tar.gz linux-3.10-4ee2491ed8569f370bf4c1a4c046a6efb8032bd2.tar.bz2 linux-3.10-4ee2491ed8569f370bf4c1a4c046a6efb8032bd2.zip | |
fs: make fsync_buffers_list() plug
It used WRITE_SYNC_PLUG before and potentially submits a batch
of IO, so lets enable plugging for this case.
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
| -rw-r--r-- | fs/buffer.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 42534f67d71..2e6b1a387b7 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -743,8 +743,10 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list) struct list_head tmp; struct address_space *mapping; int err = 0, err2; + struct blk_plug plug; INIT_LIST_HEAD(&tmp); + blk_start_plug(&plug); spin_lock(lock); while (!list_empty(list)) { @@ -781,6 +783,10 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list) } } + spin_unlock(lock); + blk_finish_plug(&plug); + spin_lock(lock); + while (!list_empty(&tmp)) { bh = BH_ENTRY(tmp.prev); get_bh(bh); |