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authorArjan van de Ven <arjan@infradead.org>2006-03-23 03:00:35 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-23 07:38:12 -0800
commit2c68ee754c40099c59828e59618a54726f76126a (patch)
treeb656a0caa9b31749b5b6f9a3f7a1f3ffc482552c
parentf24075bd0c1cd1cc2cf86d394f960aa0401de573 (diff)
[PATCH] sem2mutex: jbd, j_checkpoint_mutex
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/jbd/checkpoint.c4
-rw-r--r--fs/jbd/journal.c4
-rw-r--r--fs/jbd/transaction.c4
-rw-r--r--include/linux/jbd.h7
4 files changed, 10 insertions, 9 deletions
diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c
index 543ed543d1e5..3f5102b069db 100644
--- a/fs/jbd/checkpoint.c
+++ b/fs/jbd/checkpoint.c
@@ -85,7 +85,7 @@ void __log_wait_for_space(journal_t *journal)
if (journal->j_flags & JFS_ABORT)
return;
spin_unlock(&journal->j_state_lock);
- down(&journal->j_checkpoint_sem);
+ mutex_lock(&journal->j_checkpoint_mutex);
/*
* Test again, another process may have checkpointed while we
@@ -98,7 +98,7 @@ void __log_wait_for_space(journal_t *journal)
log_do_checkpoint(journal);
spin_lock(&journal->j_state_lock);
}
- up(&journal->j_checkpoint_sem);
+ mutex_unlock(&journal->j_checkpoint_mutex);
}
}
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index e4b516ac4989..95a628d8cac8 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -659,8 +659,8 @@ static journal_t * journal_init_common (void)
init_waitqueue_head(&journal->j_wait_checkpoint);
init_waitqueue_head(&journal->j_wait_commit);
init_waitqueue_head(&journal->j_wait_updates);
- init_MUTEX(&journal->j_barrier);
- init_MUTEX(&journal->j_checkpoint_sem);
+ mutex_init(&journal->j_barrier);
+ mutex_init(&journal->j_checkpoint_mutex);
spin_lock_init(&journal->j_revoke_lock);
spin_lock_init(&journal->j_list_lock);
spin_lock_init(&journal->j_state_lock);
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index ca917973c2c0..5fc40888f4cf 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -455,7 +455,7 @@ void journal_lock_updates(journal_t *journal)
* to make sure that we serialise special journal-locked operations
* too.
*/
- down(&journal->j_barrier);
+ mutex_lock(&journal->j_barrier);
}
/**
@@ -470,7 +470,7 @@ void journal_unlock_updates (journal_t *journal)
{
J_ASSERT(journal->j_barrier_count != 0);
- up(&journal->j_barrier);
+ mutex_unlock(&journal->j_barrier);
spin_lock(&journal->j_state_lock);
--journal->j_barrier_count;
spin_unlock(&journal->j_state_lock);
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 41ee79962bb2..2ccbfb6340ba 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -28,6 +28,7 @@
#include <linux/journal-head.h>
#include <linux/stddef.h>
#include <linux/bit_spinlock.h>
+#include <linux/mutex.h>
#include <asm/semaphore.h>
#endif
@@ -575,7 +576,7 @@ struct transaction_s
* @j_wait_checkpoint: Wait queue to trigger checkpointing
* @j_wait_commit: Wait queue to trigger commit
* @j_wait_updates: Wait queue to wait for updates to complete
- * @j_checkpoint_sem: Semaphore for locking against concurrent checkpoints
+ * @j_checkpoint_mutex: Mutex for locking against concurrent checkpoints
* @j_head: Journal head - identifies the first unused block in the journal
* @j_tail: Journal tail - identifies the oldest still-used block in the
* journal.
@@ -645,7 +646,7 @@ struct journal_s
int j_barrier_count;
/* The barrier lock itself */
- struct semaphore j_barrier;
+ struct mutex j_barrier;
/*
* Transactions: The current running transaction...
@@ -687,7 +688,7 @@ struct journal_s
wait_queue_head_t j_wait_updates;
/* Semaphore for locking against concurrent checkpoints */
- struct semaphore j_checkpoint_sem;
+ struct mutex j_checkpoint_mutex;
/*
* Journal head: identifies the first unused block in the journal.