diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index 7dfcab2a2da6..94b7c1cb5ceb 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -668,7 +668,7 @@ unlock:
  *		this does not succeed, we finally try to allocate anywhere
  *		within the aggregate.
  *
- *		we also try to allocate anywhere within the aggregate for
+ *		we also try to allocate anywhere within the aggregate
  *		for allocation requests larger than the allocation group
  *		size or requests that specify no hint value.
  *
@@ -2549,15 +2549,19 @@ dbAdjCtl(struct bmap * bmp, s64 blkno, int newval, int alloc, int level)
 		 */
 		if (oldval == NOFREE) {
 			rc = dbBackSplit((dmtree_t *) dcp, leafno);
-			if (rc)
+			if (rc) {
+				release_metapage(mp);
 				return rc;
+			}
 			oldval = dcp->stree[ti];
 		}
 		dbSplit((dmtree_t *) dcp, leafno, dcp->budmin, newval);
 	} else {
 		rc = dbJoin((dmtree_t *) dcp, leafno, newval);
-		if (rc)
+		if (rc) {
+			release_metapage(mp);
 			return rc;
+		}
 	}
 
 	/* check if the root of the current dmap control page changed due
diff --git a/fs/jfs/jfs_dmap.h b/fs/jfs/jfs_dmap.h
index 29891fad3f09..aa03a904d5ab 100644
--- a/fs/jfs/jfs_dmap.h
+++ b/fs/jfs/jfs_dmap.h
@@ -183,7 +183,7 @@ typedef union dmtree {
 #define	dmt_leafidx	t1.leafidx
 #define	dmt_height	t1.height
 #define	dmt_budmin	t1.budmin
-#define	dmt_stree	t1.stree
+#define	dmt_stree	t2.stree
 
 /*
  *	on-disk aggregate disk allocation map descriptor.
diff --git a/fs/jfs/jfs_extent.c b/fs/jfs/jfs_extent.c
index f65bd6b35412..bb4a342a193d 100644
--- a/fs/jfs/jfs_extent.c
+++ b/fs/jfs/jfs_extent.c
@@ -575,7 +575,7 @@ extBalloc(struct inode *ip, s64 hint, s64 * nblocks, s64 * blkno)
  *	blkno	 - starting block number of the extents current allocation.
  *	nblks	 - number of blocks within the extents current allocation.
  *	newnblks - pointer to a s64 value.  on entry, this value is the
- *		   the new desired extent size (number of blocks).  on
+ *		   new desired extent size (number of blocks).  on
  *		   successful exit, this value is set to the extent's actual
  *		   new size (new number of blocks).
  *	newblkno - the starting block number of the extents new allocation.
diff --git a/fs/jfs/jfs_extent.h b/fs/jfs/jfs_extent.h
index dd635a8a0f8c..1c984214e95e 100644
--- a/fs/jfs/jfs_extent.h
+++ b/fs/jfs/jfs_extent.h
@@ -5,7 +5,7 @@
 #ifndef	_H_JFS_EXTENT
 #define _H_JFS_EXTENT
 
-/*  get block allocation allocation hint as location of disk inode */
+/*  get block allocation hint as location of disk inode */
 #define	INOHINT(ip)	\
 	(addressPXD(&(JFS_IP(ip)->ixpxd)) + lengthPXD(&(JFS_IP(ip)->ixpxd)) - 1)
 
diff --git a/fs/jfs/jfs_logmgr.h b/fs/jfs/jfs_logmgr.h
index 7fd125c8dd19..805877ce5020 100644
--- a/fs/jfs/jfs_logmgr.h
+++ b/fs/jfs/jfs_logmgr.h
@@ -132,7 +132,7 @@ struct logpage {
  * (this comment should be rewritten !)
  * jfs uses only "after" log records (only a single writer is allowed
  * in a page, pages are written to temporary paging space if
- * if they must be written to disk before commit, and i/o is
+ * they must be written to disk before commit, and i/o is
  * scheduled for modified pages to their home location after
  * the log records containing the after values and the commit
  * record is written to the log on disk, undo discards the copy
diff --git a/fs/jfs/jfs_txnmgr.c b/fs/jfs/jfs_txnmgr.c
index c8ce7f1bc594..dca8edd2378c 100644
--- a/fs/jfs/jfs_txnmgr.c
+++ b/fs/jfs/jfs_txnmgr.c
@@ -1474,7 +1474,7 @@ static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
 		 * For the LOG_NOREDOINOEXT record, we need
 		 * to pass the IAG number and inode extent
 		 * index (within that IAG) from which the
-		 * the extent being released.  These have been
+		 * extent is being released.  These have been
 		 * passed to us in the iplist[1] and iplist[2].
 		 */
 		lrd->log.noredoinoext.iagnum =
diff --git a/fs/jfs/jfs_xtree.c b/fs/jfs/jfs_xtree.c
index 16ad920f6fb1..3148e9b35f3b 100644
--- a/fs/jfs/jfs_xtree.c
+++ b/fs/jfs/jfs_xtree.c
@@ -3684,7 +3684,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
  *
  * function:
  *	Perform truncate to zero length for deleted file, leaving the
- *	the xtree and working map untouched.  This allows the file to
+ *	xtree and working map untouched.  This allows the file to
  *	be accessed via open file handles, while the delete of the file
  *	is committed to disk.
  *