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reiserfs: convert j_lock to mutex

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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>
This commit is contained in:
Jeff Mahoney
2008-07-25 01:46:38 -07:00
committed by Linus Torvalds
parent 00b441970a
commit f68215c464
2 changed files with 4 additions and 4 deletions
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2
include/linux/reiserfs_fs_sb.h
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@@ -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 */