diff options
| author | Joel Becker <jlbec@evilplan.org> | 2011-05-25 21:51:55 -0700 |
|---|---|---|
| committer | Joel Becker <jlbec@evilplan.org> | 2011-05-25 21:51:55 -0700 |
| commit | ece928df16494becd43f999aff9bd530182e7e81 (patch) | |
| tree | 905042764ea5d8ab6eda63666406e19f607bcf4c /fs/jbd/commit.c | |
| parent | 3d1c1829ebe7e8bb48a997b39b4865abc9197e5e (diff) | |
| parent | dda54e76d7dba0532ebdd72e0b4f492a03f83225 (diff) | |
Merge branch 'move_extents' of git://oss.oracle.com/git/tye/linux-2.6 into ocfs2-merge-window
Conflicts:
fs/ocfs2/ioctl.c
Diffstat (limited to 'fs/jbd/commit.c')
| -rw-r--r-- | fs/jbd/commit.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c index 69b18045946..72ffa974b0b 100644 --- a/fs/jbd/commit.c +++ b/fs/jbd/commit.c @@ -302,12 +302,6 @@ void journal_commit_transaction(journal_t *journal) * all outstanding updates to complete. */ -#ifdef COMMIT_STATS - spin_lock(&journal->j_list_lock); - summarise_journal_usage(journal); - spin_unlock(&journal->j_list_lock); -#endif - /* Do we need to erase the effects of a prior journal_flush? */ if (journal->j_flags & JFS_FLUSHED) { jbd_debug(3, "super block updated\n"); @@ -722,8 +716,13 @@ wait_for_iobuf: required. */ JBUFFER_TRACE(jh, "file as BJ_Forget"); journal_file_buffer(jh, commit_transaction, BJ_Forget); - /* Wake up any transactions which were waiting for this - IO to complete */ + /* + * Wake up any transactions which were waiting for this + * IO to complete. The barrier must be here so that changes + * by journal_file_buffer() take effect before wake_up_bit() + * does the waitqueue check. + */ + smp_mb(); wake_up_bit(&bh->b_state, BH_Unshadow); JBUFFER_TRACE(jh, "brelse shadowed buffer"); __brelse(bh); |