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| author | Jaroslav Kysela <perex@perex.cz> | 2010-02-16 11:19:18 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2010-02-16 11:19:18 +0100 |
| commit | ba9341dfef6b0201cd30e3904dcd0a47d3dc35e0 (patch) | |
| tree | d83637979db83bb9d5a23e190148b90b60c976d2 /fs/jbd2/commit.c | |
| parent | d39e82db73eb876c60d00f00219d767b3be30307 (diff) | |
| parent | f167e1d073278fe231bbdd5d6c24fb9d091aa544 (diff) | |
| download | linux-ba9341dfef6b0201cd30e3904dcd0a47d3dc35e0.tar.bz2 | |
Merge branch 'fixes' into devel
Diffstat (limited to 'fs/jbd2/commit.c')
| -rw-r--r-- | fs/jbd2/commit.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 6a10238d2c63..1bc74b6f26d2 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -259,6 +259,7 @@ static int journal_submit_data_buffers(journal_t *journal, ret = err; spin_lock(&journal->j_list_lock); J_ASSERT(jinode->i_transaction == commit_transaction); + commit_transaction->t_flushed_data_blocks = 1; jinode->i_flags &= ~JI_COMMIT_RUNNING; wake_up_bit(&jinode->i_flags, __JI_COMMIT_RUNNING); } @@ -708,8 +709,17 @@ start_journal_io: } } - /* Done it all: now write the commit record asynchronously. */ + /* + * If the journal is not located on the file system device, + * then we must flush the file system device before we issue + * the commit record + */ + if (commit_transaction->t_flushed_data_blocks && + (journal->j_fs_dev != journal->j_dev) && + (journal->j_flags & JBD2_BARRIER)) + blkdev_issue_flush(journal->j_fs_dev, NULL); + /* Done it all: now write the commit record asynchronously. */ if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT)) { err = journal_submit_commit_record(journal, commit_transaction, @@ -720,13 +730,6 @@ start_journal_io: blkdev_issue_flush(journal->j_dev, NULL); } - /* - * This is the right place to wait for data buffers both for ASYNC - * and !ASYNC commit. If commit is ASYNC, we need to wait only after - * the commit block went to disk (which happens above). If commit is - * SYNC, we need to wait for data buffers before we start writing - * commit block, which happens below in such setting. - */ err = journal_finish_inode_data_buffers(journal, commit_transaction); if (err) { printk(KERN_WARNING |