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reiserfs: convert j_flush_sem to mutex

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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>
This commit is contained in:
Jeff Mahoney 2008-07-25 01:46:39 -07:00 • committed by Linus Torvalds
commit afe7025907
2 changed files with 8 additions and 8 deletions
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2
include/linux/reiserfs_fs_sb.h
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@ -194,7 +194,7 @@ struct reiserfs_journal {
time_t j_trans_start_time; /* time this transaction started */
struct mutex j_mutex;
struct semaphore j_flush_sem;
struct mutex j_flush_mutex;
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 */
int j_list_bitmap_index; /* number of next list bitmap to use */