[XFS] replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

SGI-PV: 976035
SGI-Modid: xfs-linux-melb:xfs-kern:30775a

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index e347bfd..142ddbe 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -400,7 +400,7 @@
 				printk(KERN_ERR
 					"XFS: possible memory allocation "
 					"deadlock in %s (mode:0x%x)\n",
-					__FUNCTION__, gfp_mask);
+					__func__, gfp_mask);
 
 			XFS_STATS_INC(xb_page_retries);
 			xfsbufd_wakeup(0, gfp_mask);
@@ -598,7 +598,7 @@
 		error = _xfs_buf_map_pages(bp, flags);
 		if (unlikely(error)) {
 			printk(KERN_WARNING "%s: failed to map pages\n",
-					__FUNCTION__);
+					__func__);
 			goto no_buffer;
 		}
 	}
@@ -778,7 +778,7 @@
 	error = _xfs_buf_map_pages(bp, XBF_MAPPED);
 	if (unlikely(error)) {
 		printk(KERN_WARNING "%s: failed to map pages\n",
-				__FUNCTION__);
+				__func__);
 		goto fail_free_mem;
 	}