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| author | Jeff Mahoney <jeffm@suse.com> | 2008-07-25 01:46:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 10:53:33 -0700 |
| commit | afe70259076fff0446001eaa1a287f615241a357 (patch) | |
| tree | d619c7f6235264a7b08aec16ba3563a686415079 /fs/reiserfs | |
| parent | f68215c4640a38d66429014e524a627bf572d26a (diff) | |
| download | linux-afe70259076fff0446001eaa1a287f615241a357.tar.gz linux-afe70259076fff0446001eaa1a287f615241a357.tar.bz2 linux-afe70259076fff0446001eaa1a287f615241a357.zip | |
reiserfs: convert j_flush_sem to mutex
j_flush_sem is a semaphore but uses it as if it were a mutex. This patch
converts it to a mutex.
[akpm@linux-foundation.org: fix mutex_trylock retval treatment]
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Edward Shishkin <edward.shishkin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/reiserfs')
| -rw-r--r-- | fs/reiserfs/journal.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 0f7b1e807e60..3cb4a562030e 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1411,8 +1411,8 @@ static int flush_journal_list(struct super_block *s, /* if flushall == 0, the lock is already held */ if (flushall) { - down(&journal->j_flush_sem); - } else if (!down_trylock(&journal->j_flush_sem)) { + mutex_lock(&journal->j_flush_mutex); + } else if (mutex_trylock(&journal->j_flush_mutex)) { BUG(); } @@ -1642,7 +1642,7 @@ static int flush_journal_list(struct super_block *s, jl->j_state = 0; put_journal_list(s, jl); if (flushall) - up(&journal->j_flush_sem); + mutex_unlock(&journal->j_flush_mutex); put_fs_excl(); return err; } @@ -1772,12 +1772,12 @@ static int kupdate_transactions(struct super_block *s, struct reiserfs_journal *journal = SB_JOURNAL(s); chunk.nr = 0; - down(&journal->j_flush_sem); + mutex_lock(&journal->j_flush_mutex); if (!journal_list_still_alive(s, orig_trans_id)) { goto done; } - /* we've got j_flush_sem held, nobody is going to delete any + /* we've got j_flush_mutex held, nobody is going to delete any * of these lists out from underneath us */ while ((num_trans && transactions_flushed < num_trans) || @@ -1812,7 +1812,7 @@ static int kupdate_transactions(struct super_block *s, } done: - up(&journal->j_flush_sem); + mutex_unlock(&journal->j_flush_mutex); return ret; } @@ -2838,7 +2838,7 @@ int journal_init(struct super_block *p_s_sb, const char *j_dev_name, journal->j_first = NULL; init_waitqueue_head(&(journal->j_join_wait)); mutex_init(&journal->j_mutex); - sema_init(&journal->j_flush_sem, 1); + mutex_init(&journal->j_flush_mutex); journal->j_trans_id = 10; journal->j_mount_id = 10; |