diff options
| -rw-r--r-- | fs/ext3/fsync.c | 20 | ||||
| -rw-r--r-- | fs/jbd/journal.c | 2 |
2 files changed, 10 insertions, 12 deletions
diff --git a/fs/ext3/fsync.c b/fs/ext3/fsync.c index 8209f26..26289e8 100644 --- a/fs/ext3/fsync.c +++ b/fs/ext3/fsync.c @@ -48,7 +48,7 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync) struct inode *inode = dentry->d_inode; struct ext3_inode_info *ei = EXT3_I(inode); journal_t *journal = EXT3_SB(inode->i_sb)->s_journal; - int ret = 0; + int ret, needs_barrier = 0; tid_t commit_tid; if (inode->i_sb->s_flags & MS_RDONLY) @@ -70,28 +70,26 @@ int ext3_sync_file(struct file * file, struct dentry *dentry, int datasync) * (they were dirtied by commit). But that's OK - the blocks are * safe in-journal, which is all fsync() needs to ensure. */ - if (ext3_should_journal_data(inode)) { - ret = ext3_force_commit(inode->i_sb); - goto out; - } + if (ext3_should_journal_data(inode)) + return ext3_force_commit(inode->i_sb); if (datasync) commit_tid = atomic_read(&ei->i_datasync_tid); else commit_tid = atomic_read(&ei->i_sync_tid); - if (log_start_commit(journal, commit_tid)) { - log_wait_commit(journal, commit_tid); - goto out; - } + if (test_opt(inode->i_sb, BARRIER) && + !journal_trans_will_send_data_barrier(journal, commit_tid)) + needs_barrier = 1; + log_start_commit(journal, commit_tid); + ret = log_wait_commit(journal, commit_tid); /* * In case we didn't commit a transaction, we have to flush * disk caches manually so that data really is on persistent * storage */ - if (test_opt(inode->i_sb, BARRIER)) + if (needs_barrier) blkdev_issue_flush(inode->i_sb->s_bdev, NULL); -out: return ret; } diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 99c7194..93d1e47 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -594,7 +594,7 @@ out: spin_unlock(&journal->j_state_lock); return ret; } -EXPORT_SYMBOL(journal_commit_will_send_barrier); +EXPORT_SYMBOL(journal_trans_will_send_data_barrier); /* * Log buffer allocation routines: |