[XFS] misc tidyups

SGI Modid: 2.5.x-xfs:slinx:134216a

fs/xfs/pagebuf/page_buf.c

@@ -46,7 +46,6 @@
  */
 
 #include <linux/module.h>
-#include <linux/compiler.h>
 #include <linux/stddef.h>
 #include <linux/errno.h>
 #include <linux/slab.h>
@@ -57,6 +56,7 @@
 #include <linux/bio.h>
 #include <linux/sysctl.h>
 #include <linux/proc_fs.h>
+#include <linux/workqueue.h>
 
 #include <support/debug.h>
 #include <support/kmem.h>

fs/xfs/pagebuf/page_buf.h

@@ -47,7 +47,6 @@
 #include <linux/fs.h>
 #include <linux/buffer_head.h>
 #include <linux/uio.h>
-#include <linux/workqueue.h>
 
 enum xfs_buffer_state { BH_Delay = BH_PrivateStart };
 BUFFER_FNS(Delay, delay);
@@ -176,7 +175,7 @@ typedef page_buf_bmap_t pb_bmap_t;
  * This buffer structure is used by the page cache buffer management routines
  * to refer to an assembly of pages forming a logical buffer.  The actual
  * I/O is performed with buffer_head or bio structures, as required by drivers,
- * for drivers which do not understand this structure.  The buffer structure is
+ * for drivers which do not understand this structure. The buffer structure is
  * used on temporary basis only, and discarded when released.  
  *
  * The real data storage is recorded in the page cache.	 Metadata is