[REVIEW] Update kernel headers to compile in userspace (libxfs)

["Barry Naujok" <bnaujok@xxxxxxx>]

There's been some changes in the headers that fail to compile in
user-land. This patch #ifdef __KERNEL__ these things as none of
them are actually used/required in user-space.

---
 fs/xfs/xfs_ag.h         |    2 ++
 fs/xfs/xfs_dir2_block.h |    2 ++
 fs/xfs/xfs_dir2_leaf.h  |    2 ++
 fs/xfs/xfs_dir2_sf.h    |    2 ++
 fs/xfs/xfs_inode_item.h |    5 ++---
 5 files changed, 10 insertions(+), 3 deletions(-)

Index: 2.6.x-xfs/fs/xfs/xfs_ag.h
===================================================================
--- 2.6.x-xfs.orig/fs/xfs/xfs_ag.h
+++ 2.6.x-xfs/fs/xfs/xfs_ag.h
@@ -196,11 +196,13 @@ typedef struct xfs_perag
        spinlock_t      pagb_lock;      /* lock for pagb_list */
 #endif
        xfs_perag_busy_t *pagb_list;    /* unstable blocks */
+#ifdef __KERNEL__
        atomic_t        pagf_fstrms;    /* # of filestreams active in this AG */

        int             pag_ici_init;   /* incore inode cache initialised */
        rwlock_t        pag_ici_lock;   /* incore inode lock */
        struct radix_tree_root pag_ici_root;    /* incore inode cache root */
+#endif
 } xfs_perag_t;

 #define	XFS_AG_MAXLEVELS(mp)		((mp)->m_ag_maxlevels)
Index: 2.6.x-xfs/fs/xfs/xfs_dir2_block.h
===================================================================
--- 2.6.x-xfs.orig/fs/xfs/xfs_dir2_block.h
+++ 2.6.x-xfs/fs/xfs/xfs_dir2_block.h
@@ -80,8 +80,10 @@ xfs_dir2_block_leaf_p(xfs_dir2_block_tai
  * Function declarations.
  */
 extern int xfs_dir2_block_addname(struct xfs_da_args *args);
+#ifdef __KERNEL__
 extern int xfs_dir2_block_getdents(struct xfs_inode *dp, void *dirent,
 				   xfs_off_t *offset, filldir_t filldir);
+#endif
 extern int xfs_dir2_block_lookup(struct xfs_da_args *args);
 extern int xfs_dir2_block_removename(struct xfs_da_args *args);
 extern int xfs_dir2_block_replace(struct xfs_da_args *args);
Index: 2.6.x-xfs/fs/xfs/xfs_dir2_leaf.h
===================================================================
--- 2.6.x-xfs.orig/fs/xfs/xfs_dir2_leaf.h
+++ 2.6.x-xfs/fs/xfs/xfs_dir2_leaf.h
@@ -232,9 +232,11 @@ extern void xfs_dir2_leaf_compact(struct
 extern void xfs_dir2_leaf_compact_x1(struct xfs_dabuf *bp, int *indexp,
 				     int *lowstalep, int *highstalep,
 				     int *lowlogp, int *highlogp);
+#ifdef __KERNEL__
 extern int xfs_dir2_leaf_getdents(struct xfs_inode *dp, void *dirent,
 				  size_t bufsize, xfs_off_t *offset,
 				  filldir_t filldir);
+#endif
 extern int xfs_dir2_leaf_init(struct xfs_da_args *args, xfs_dir2_db_t bno,
 			      struct xfs_dabuf **bpp, int magic);
 extern void xfs_dir2_leaf_log_ents(struct xfs_trans *tp, struct xfs_dabuf  
*bp,
Index: 2.6.x-xfs/fs/xfs/xfs_dir2_sf.h
===================================================================
--- 2.6.x-xfs.orig/fs/xfs/xfs_dir2_sf.h
+++ 2.6.x-xfs/fs/xfs/xfs_dir2_sf.h
@@ -169,8 +169,10 @@ extern int xfs_dir2_block_to_sf(struct x
 				int size, xfs_dir2_sf_hdr_t *sfhp);
 extern int xfs_dir2_sf_addname(struct xfs_da_args *args);
 extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino);
+#ifdef __KERNEL__
 extern int xfs_dir2_sf_getdents(struct xfs_inode *dp, void *dirent,
 				xfs_off_t *offset, filldir_t filldir);
+#endif
 extern int xfs_dir2_sf_lookup(struct xfs_da_args *args);
 extern int xfs_dir2_sf_removename(struct xfs_da_args *args);
 extern int xfs_dir2_sf_replace(struct xfs_da_args *args);
Index: 2.6.x-xfs/fs/xfs/xfs_inode_item.h
===================================================================
--- 2.6.x-xfs.orig/fs/xfs/xfs_inode_item.h
+++ 2.6.x-xfs/fs/xfs/xfs_inode_item.h
@@ -168,6 +168,8 @@ static inline int xfs_ilog_fext(int w)
 	return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
 }

+#ifdef __KERNEL__
+
 static inline int xfs_inode_clean(xfs_inode_t *ip)
 {
        return (!ip->i_itemp ||
@@ -175,9 +177,6 @@ static inline int xfs_inode_clean(xfs_in
               !ip->i_update_core;
 }

-
-#ifdef __KERNEL__
-
 extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
 extern void xfs_inode_item_destroy(struct xfs_inode *);
 extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *);