diff options
| -rw-r--r-- | fs/reiserfs/journal.c | 54 |
1 files changed, 43 insertions, 11 deletions
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 9b3672d69367..e6b5ccf23f15 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1186,6 +1186,21 @@ static struct reiserfs_journal_list *find_newer_jl_for_cn(struct return NULL; } +static int newer_jl_done(struct reiserfs_journal_cnode *cn) +{ + struct super_block *sb = cn->sb; + b_blocknr_t blocknr = cn->blocknr; + + cn = cn->hprev; + while (cn) { + if (cn->sb == sb && cn->blocknr == blocknr && cn->jlist && + atomic_read(&cn->jlist->j_commit_left) != 0) + return 0; + cn = cn->hprev; + } + return 1; +} + static void remove_journal_hash(struct super_block *, struct reiserfs_journal_cnode **, struct reiserfs_journal_list *, unsigned long, @@ -1604,6 +1619,31 @@ static int flush_journal_list(struct super_block *s, return err; } +static int test_transaction(struct super_block *s, + struct reiserfs_journal_list *jl) +{ + struct reiserfs_journal_cnode *cn; + + if (jl->j_len == 0 || atomic_read(&jl->j_nonzerolen) == 0) + return 1; + + cn = jl->j_realblock; + while (cn) { + /* if the blocknr == 0, this has been cleared from the hash, + ** skip it + */ + if (cn->blocknr == 0) { + goto next; + } + if (cn->bh && !newer_jl_done(cn)) + return 0; + next: + cn = cn->next; + cond_resched(); + } + return 0; +} + static int write_one_transaction(struct super_block *s, struct reiserfs_journal_list *jl, struct buffer_chunk *chunk) @@ -3433,16 +3473,6 @@ static void flush_async_commits(void *p) flush_commit_list(p_s_sb, jl, 1); } unlock_kernel(); - /* - * this is a little racey, but there's no harm in missing - * the filemap_fdata_write - */ - if (!atomic_read(&journal->j_async_throttle) - && !reiserfs_is_journal_aborted(journal)) { - atomic_inc(&journal->j_async_throttle); - filemap_fdatawrite(p_s_sb->s_bdev->bd_inode->i_mapping); - atomic_dec(&journal->j_async_throttle); - } } /* @@ -3844,7 +3874,9 @@ static void flush_old_journal_lists(struct super_block *s) entry = journal->j_journal_list.next; jl = JOURNAL_LIST_ENTRY(entry); /* this check should always be run, to send old lists to disk */ - if (jl->j_timestamp < (now - (JOURNAL_MAX_TRANS_AGE * 4))) { + if (jl->j_timestamp < (now - (JOURNAL_MAX_TRANS_AGE * 4)) && + atomic_read(&jl->j_commit_left) == 0 && + test_transaction(s, jl)) { flush_used_journal_lists(s, jl); } else { break; |