[XFS] pagebuf flags cleanup

SGI Modid: 2.5.x-xfs:slinx:130823a

fs/xfs/pagebuf/page_buf.c

@@ -341,7 +341,7 @@ STATIC int
 _pagebuf_get_pages(
 	page_buf_t		*pb,
 	int			page_count,
-	int			flags)
+	page_buf_flags_t	flags)
 {
 	int			gpf_mask = pb_to_gfp(flags);
 
@@ -392,10 +392,10 @@ _pagebuf_freepages(
  */
 void
 _pagebuf_free_object(
-	pb_hash_t	*hash,	/* hash bucket for buffer	*/
-	page_buf_t	*pb)	/* buffer to deallocate		*/
+	pb_hash_t		*hash,	/* hash bucket for buffer */
+	page_buf_t		*pb)	/* buffer to deallocate	*/
 {
-	int		pb_flags = pb->pb_flags;
+	page_buf_flags_t	pb_flags = pb->pb_flags;
 
 	PB_TRACE(pb, PB_TRACE_REC(free_obj), 0);
 	pb->pb_flags |= PBF_FREED;
@@ -828,7 +828,7 @@ pagebuf_lookup(
 	struct inode		*inode,
 	loff_t			ioff,
 	size_t			isize,
-	int			flags)
+	page_buf_flags_t	flags)
 {
 	page_buf_t		*pb = NULL;
 
@@ -849,7 +849,7 @@ pagebuf_readahead(
 	pb_target_t		*target,
 	loff_t			ioff,
 	size_t			isize,
-	int			flags)
+	page_buf_flags_t	flags)
 {
 	flags |= (PBF_TRYLOCK|PBF_READ|PBF_ASYNC|PBF_MAPPABLE|PBF_READ_AHEAD);
 	pagebuf_get(target, ioff, isize, flags);
@@ -937,7 +937,7 @@ pagebuf_get_no_daddr(
 {
 	int			rval;
 	void			*rmem = NULL;
-	int			flags = _PBF_LOCKABLE | PBF_FORCEIO;
+	page_buf_flags_t	flags = _PBF_LOCKABLE | PBF_FORCEIO;
 	page_buf_t		*pb;
 	size_t			tlen = 0;
 
@@ -1230,10 +1230,8 @@ int
 pagebuf_iostart(			/* start I/O on a buffer	  */
 	page_buf_t		*pb,	/* buffer to start		  */
 	page_buf_flags_t	flags)	/* PBF_LOCK, PBF_ASYNC, PBF_READ, */
-					/* PBF_WRITE, PBF_ALLOCATE,	  */
-					/* PBF_DELWRI, 			  */
+					/* PBF_WRITE, PBF_DELWRI,	  */
 					/* PBF_SYNC, PBF_DONT_BLOCK	  */
-					/* PBF_RELEASE			  */
 {
 	int			status = 0;
 

fs/xfs/pagebuf/page_buf.h

@@ -240,15 +240,16 @@ extern page_buf_t *pagebuf_get(		/* allocate a buffer		*/
 		struct pb_target *,	/* inode for buffer		*/
 		loff_t,			/* starting offset of range	*/
 		size_t,			/* length of range		*/
-		page_buf_flags_t);	/* PBF_LOCK, PBF_READ, PBF_ALLOCATE, */
-					/* PBF_ASYNC,			*/	
+		page_buf_flags_t);	/* PBF_LOCK, PBF_READ,		*/
+					/* PBF_ASYNC			*/	
 
 extern page_buf_t *pagebuf_lookup(
 		struct pb_target *,
 		struct inode *,
 		loff_t,			/* starting offset of range	*/
 		size_t,			/* length of range		*/
-		int);			/* PBF_ENTER_PAGES		*/
+		page_buf_flags_t);	/* PBF_READ, PBF_WRITE,		*/
+					/* PBF_FORCEIO, _PBF_LOCKABLE	*/
 
 extern page_buf_t *pagebuf_get_empty(	/* allocate pagebuf struct with */
 					/*  no memory or disk address	*/
@@ -272,7 +273,7 @@ extern void pagebuf_readahead(		/* read ahead into cache	*/
 		struct pb_target  *,	/* target for buffer (or NULL)	*/
 		loff_t,			/* starting offset of range	*/
 		size_t,			/* length of range		*/
-		int);			/* additional read flags	*/
+		page_buf_flags_t);	/* additional read flags	*/
 
 /* Writing and Releasing Buffers */
 
@@ -314,10 +315,9 @@ extern void pagebuf_ioerror(		/* mark buffer in error (or not) */
 
 extern int pagebuf_iostart(		/* start I/O on a buffer	*/
 		page_buf_t *,		/* buffer to start		*/
-		page_buf_flags_t);	/* PBF_LOCK, PBF_ASYNC, PBF_READ, */
-					/* PBF_WRITE, PBF_ALLOCATE,	*/
-					/* PBF_DELWRI, 			*/
-					/* PBF_SYNC			*/
+		page_buf_flags_t);	/* PBF_LOCK, PBF_ASYNC,		*/
+					/* PBF_READ, PBF_WRITE,		*/
+					/* PBF_DELWRI, PBF_SYNC		*/
 
 extern int pagebuf_iorequest(		/* start real I/O		*/
 		page_buf_t *);		/* buffer to convey to device	*/