[XFS] Fix up an internal sort function name collision issue.

SGI-PV: 942986
SGI-Modid: xfs-linux:xfs-kern:23859a
Signed-off-by: Nathan Scott <nathans@sgi.com>

fs/xfs/linux-2.6/xfs_linux.h

@@ -254,11 +254,11 @@ static inline void set_buffer_unwritten_io(struct buffer_head *bh)
 #define MAX(a,b)	(max(a,b))
 #define howmany(x, y)	(((x)+((y)-1))/(y))
 #define roundup(x, y)	((((x)+((y)-1))/(y))*(y))
-#define qsort(a,n,s,fn)	sort(a,n,s,fn,NULL)
 
 /*
  * Various platform dependent calls that don't fit anywhere else
  */
+#define xfs_sort(a,n,s,fn)	sort(a,n,s,fn,NULL)
 #define xfs_stack_trace()	dump_stack()
 #define xfs_itruncate_data(ip, off)	\
 	(-vmtruncate(LINVFS_GET_IP(XFS_ITOV(ip)), (off)))

fs/xfs/xfs_acl.c

@@ -155,7 +155,7 @@ posix_acl_xattr_to_xfs(
 }
 
 /*
- * Comparison function called from qsort().
+ * Comparison function called from xfs_sort().
  * Primary key is ae_tag, secondary key is ae_id.
  */
 STATIC int
@@ -189,7 +189,7 @@ posix_acl_xfs_to_xattr(
 		return -ERANGE;
 
 	/* Need to sort src XFS ACL by <ae_tag,ae_id> */
-	qsort(src->acl_entry, src->acl_cnt, sizeof(src->acl_entry[0]),
+	xfs_sort(src->acl_entry, src->acl_cnt, sizeof(src->acl_entry[0]),
 		 xfs_acl_entry_compare);
 
 	dest->a_version = cpu_to_le32(POSIX_ACL_XATTR_VERSION);

fs/xfs/xfs_attr_leaf.c

@@ -670,7 +670,7 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
 	/*
 	 * Sort the entries on hash then entno.
 	 */
-	qsort(sbuf, nsbuf, sizeof(*sbuf), xfs_attr_shortform_compare);
+	xfs_sort(sbuf, nsbuf, sizeof(*sbuf), xfs_attr_shortform_compare);
 
 	/*
 	 * Re-find our place IN THE SORTED LIST.

fs/xfs/xfs_dir2_block.c

@@ -1234,7 +1234,7 @@ xfs_dir2_sf_to_block(
 	/*
 	 * Sort the leaf entries by hash value.
 	 */
-	qsort(blp, INT_GET(btp->count, ARCH_CONVERT), sizeof(*blp), xfs_dir2_block_sort);
+	xfs_sort(blp, INT_GET(btp->count, ARCH_CONVERT), sizeof(*blp), xfs_dir2_block_sort);
 	/*
 	 * Log the leaf entry area and tail.
 	 * Already logged the header in data_init, ignore needlog.

fs/xfs/xfs_dir_leaf.c

@@ -508,7 +508,7 @@ xfs_dir_shortform_getdents(xfs_inode_t *dp, uio_t *uio, int *eofp,
 	/*
 	 * Sort the entries on hash then entno.
 	 */
-	qsort(sbuf, nsbuf, sizeof(*sbuf), xfs_dir_shortform_compare);
+	xfs_sort(sbuf, nsbuf, sizeof(*sbuf), xfs_dir_shortform_compare);
 	/*
 	 * Stuff in last entry.
 	 */