diff options
| author | Jeff Mahoney <jeffm@suse.com> | 2008-07-25 01:46:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 10:53:33 -0700 |
| commit | f68215c4640a38d66429014e524a627bf572d26a (patch) | |
| tree | 9880a7adbdcda5dba88fe875520b787555b80802 | |
| parent | 00b441970a0ab48185244300ac7d4e4eb76df692 (diff) | |
| download | blackbird-op-linux-f68215c4640a38d66429014e524a627bf572d26a.tar.gz blackbird-op-linux-f68215c4640a38d66429014e524a627bf572d26a.zip | |
reiserfs: convert j_lock to mutex
j_lock is a semaphore but uses it as if it were a mutex. This patch converts
it to a mutex.
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>
| -rw-r--r-- | fs/reiserfs/journal.c | 6 | ||||
| -rw-r--r-- | include/linux/reiserfs_fs_sb.h | 2 |
2 files changed, 4 insertions, 4 deletions
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index e396b2fa4743..0f7b1e807e60 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -558,13 +558,13 @@ static inline void insert_journal_hash(struct reiserfs_journal_cnode **table, static inline void lock_journal(struct super_block *p_s_sb) { PROC_INFO_INC(p_s_sb, journal.lock_journal); - down(&SB_JOURNAL(p_s_sb)->j_lock); + mutex_lock(&SB_JOURNAL(p_s_sb)->j_mutex); } /* unlock the current transaction */ static inline void unlock_journal(struct super_block *p_s_sb) { - up(&SB_JOURNAL(p_s_sb)->j_lock); + mutex_unlock(&SB_JOURNAL(p_s_sb)->j_mutex); } static inline void get_journal_list(struct reiserfs_journal_list *jl) @@ -2837,7 +2837,7 @@ int journal_init(struct super_block *p_s_sb, const char *j_dev_name, journal->j_last = NULL; journal->j_first = NULL; init_waitqueue_head(&(journal->j_join_wait)); - sema_init(&journal->j_lock, 1); + mutex_init(&journal->j_mutex); sema_init(&journal->j_flush_sem, 1); journal->j_trans_id = 10; diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h index 336ee43ed7d8..49b639b88bac 100644 --- a/include/linux/reiserfs_fs_sb.h +++ b/include/linux/reiserfs_fs_sb.h @@ -193,7 +193,7 @@ struct reiserfs_journal { struct buffer_head *j_header_bh; time_t j_trans_start_time; /* time this transaction started */ - struct semaphore j_lock; + struct mutex j_mutex; struct semaphore j_flush_sem; wait_queue_head_t j_join_wait; /* wait for current transaction to finish before starting new one */ atomic_t j_jlock; /* lock for j_join_wait */ |
