1 files changed, 6 insertions, 9 deletions

diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index 2967b7393415..c161c98954e0 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -64,9 +64,9 @@
  *      to the persistent bitmaps in dmaps) is guarded by (busy) buffers.
  */
 
-#define BMAP_LOCK_INIT(bmp)     init_MUTEX(&bmp->db_bmaplock)
-#define BMAP_LOCK(bmp)          down(&bmp->db_bmaplock)
-#define BMAP_UNLOCK(bmp)        up(&bmp->db_bmaplock)
+#define BMAP_LOCK_INIT(bmp)     mutex_init(&bmp->db_bmaplock)
+#define BMAP_LOCK(bmp)          mutex_lock(&bmp->db_bmaplock)
+#define BMAP_UNLOCK(bmp)        mutex_unlock(&bmp->db_bmaplock)
 
 /*
  * forward references
@@ -125,7 +125,7 @@ static int dbGetL2AGSize(s64 nblocks);
  * into the table, with the table elements yielding the maximum
  * binary buddy of free bits within the character.
  */
-static s8 budtab[256] = {
+static const s8 budtab[256] = {
         3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
         2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
         2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
@@ -532,10 +532,10 @@ dbUpdatePMap(struct inode *ipbmap,
 
                 lastlblkno = lblkno;
 
+                LOGSYNC_LOCK(log, flags);
                 if (mp->lsn != 0) {
                         /* inherit older/smaller lsn */
                         logdiff(diffp, mp->lsn, log);
-                        LOGSYNC_LOCK(log, flags);
                         if (difft < diffp) {
                                 mp->lsn = lsn;
 
@@ -548,20 +548,17 @@ dbUpdatePMap(struct inode *ipbmap,
                         logdiff(diffp, mp->clsn, log);
                         if (difft > diffp)
                                 mp->clsn = tblk->clsn;
-                        LOGSYNC_UNLOCK(log, flags);
                 } else {
                         mp->log = log;
                         mp->lsn = lsn;
 
                         /* insert bp after tblock in logsync list */
-                        LOGSYNC_LOCK(log, flags);
-
                         log->count++;
                         list_add(&mp->synclist, &tblk->synclist);
 
                         mp->clsn = tblk->clsn;
-                        LOGSYNC_UNLOCK(log, flags);
                 }
+                LOGSYNC_UNLOCK(log, flags);
         }
 
         /* write the last buffer. */