diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-04-08 17:02:50 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-08 17:02:57 +0200 |
| commit | ff96e612cba32510e263e17b213235fe5746397e (patch) | |
| tree | a8df57d76b10e0901a4fb76cd2987eb9826a560a /fs/jbd2/commit.c | |
| parent | cd84a42f315e50edd454c27a3da3951ccd3d735a (diff) | |
| parent | 577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff) | |
Merge commit 'v2.6.30-rc1' into core/urgent
Merge reason: need latest upstream to queue up dependent fix
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/jbd2/commit.c')
| -rw-r--r-- | fs/jbd2/commit.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 4ea72377c7a2..073c8c3df7cd 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -138,7 +138,7 @@ static int journal_submit_commit_record(journal_t *journal, set_buffer_ordered(bh); barrier_done = 1; } - ret = submit_bh(WRITE_SYNC, bh); + ret = submit_bh(WRITE_SYNC_PLUG, bh); if (barrier_done) clear_buffer_ordered(bh); @@ -159,7 +159,7 @@ static int journal_submit_commit_record(journal_t *journal, lock_buffer(bh); set_buffer_uptodate(bh); clear_buffer_dirty(bh); - ret = submit_bh(WRITE_SYNC, bh); + ret = submit_bh(WRITE_SYNC_PLUG, bh); } *cbh = bh; return ret; @@ -190,7 +190,7 @@ retry: set_buffer_uptodate(bh); bh->b_end_io = journal_end_buffer_io_sync; - ret = submit_bh(WRITE_SYNC, bh); + ret = submit_bh(WRITE_SYNC_PLUG, bh); if (ret) { unlock_buffer(bh); return ret; @@ -402,8 +402,13 @@ void jbd2_journal_commit_transaction(journal_t *journal) spin_lock(&journal->j_state_lock); commit_transaction->t_state = T_LOCKED; + /* + * Use plugged writes here, since we want to submit several before + * we unplug the device. We don't do explicit unplugging in here, + * instead we rely on sync_buffer() doing the unplug for us. + */ if (commit_transaction->t_synchronous_commit) - write_op = WRITE_SYNC; + write_op = WRITE_SYNC_PLUG; stats.u.run.rs_wait = commit_transaction->t_max_wait; stats.u.run.rs_locked = jiffies; stats.u.run.rs_running = jbd2_time_diff(commit_transaction->t_start, |