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| author | Jan Kara <jack@suse.cz> | 2010-04-15 22:16:24 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2010-05-21 19:30:40 +0200 |
| commit | 03f4d804a1b4748885dc4613a4afe10089a731c8 (patch) | |
| tree | f2d7be9a0205496f14d61e6a8fe62277e653fab8 /fs/jbd/commit.c | |
| parent | 311b9549ed2bb0f2c2257781c3e88cb00505e80e (diff) | |
| download | linux-03f4d804a1b4748885dc4613a4afe10089a731c8.tar.gz linux-03f4d804a1b4748885dc4613a4afe10089a731c8.tar.bz2 linux-03f4d804a1b4748885dc4613a4afe10089a731c8.zip | |
jbd: Provide function to check whether transaction will issue data barrier
Provide a function which returns whether a transaction with given tid
will send a barrier to the filesystem device. The function will be used
by ext3 to detect whether fsync needs to send a separate barrier or not.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/jbd/commit.c')
| -rw-r--r-- | fs/jbd/commit.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c index ecb44c94ba8d..28a9ddaa0c49 100644 --- a/fs/jbd/commit.c +++ b/fs/jbd/commit.c @@ -786,6 +786,12 @@ wait_for_iobuf: jbd_debug(3, "JBD: commit phase 6\n"); + /* All metadata is written, now write commit record and do cleanup */ + spin_lock(&journal->j_state_lock); + J_ASSERT(commit_transaction->t_state == T_COMMIT); + commit_transaction->t_state = T_COMMIT_RECORD; + spin_unlock(&journal->j_state_lock); + if (journal_write_commit_record(journal, commit_transaction)) err = -EIO; @@ -923,7 +929,7 @@ restart_loop: jbd_debug(3, "JBD: commit phase 8\n"); - J_ASSERT(commit_transaction->t_state == T_COMMIT); + J_ASSERT(commit_transaction->t_state == T_COMMIT_RECORD); commit_transaction->t_state = T_FINISHED; J_ASSERT(commit_transaction == journal->j_committing_transaction); |