JFS: Fix sparse warnings, including endian error

The fix in inode.c is a real bug.  It could result in undeleted, yet
unconnected files on big-endian hardware.

The others are trivial.
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>

fs/jfs/inode.c

@@ -129,8 +129,7 @@ void jfs_delete_inode(struct inode *inode)
 	jfs_info("In jfs_delete_inode, inode = 0x%p", inode);
 
 	if (!is_bad_inode(inode) &&
-	    (JFS_IP(inode)->fileset == cpu_to_le32(FILESYSTEM_I))) {
-
+	    (JFS_IP(inode)->fileset == FILESYSTEM_I)) {
 		truncate_inode_pages(&inode->i_data, 0);
 
 		if (test_cflag(COMMIT_Freewmap, inode))

fs/jfs/jfs_dmap.c

@@ -3055,7 +3055,7 @@ static int cntlz(u32 value)
  * RETURN VALUES:
  *      log2 number of blocks
  */
-int blkstol2(s64 nb)
+static int blkstol2(s64 nb)
 {
 	int l2nb;
 	s64 mask;		/* meant to be signed */

fs/jfs/jfs_txnmgr.c

@@ -2070,8 +2070,8 @@ static void xtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
  *
  * function:    log from maplock of freed data extents;
  */
-void mapLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
-	    struct tlock * tlck)
+static void mapLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
+		   struct tlock * tlck)
 {
 	struct pxd_lock *pxdlock;
 	int i, nlock;
@@ -2209,7 +2209,7 @@ void txEA(tid_t tid, struct inode *ip, dxd_t * oldea, dxd_t * newea)
  * function: synchronously write pages locked by transaction
  *              after txLog() but before txUpdateMap();
  */
-void txForce(struct tblock * tblk)
+static void txForce(struct tblock * tblk)
 {
 	struct tlock *tlck;
 	lid_t lid, next;