btrfs: remove fs/btrfs/compat.h

fs/btrfs/compat.h only contained trivial macro wrappers of drop_nlink()
and inc_nlink().  This doesn't belong in mainline.

Signed-off-by: Zach Brown <zab@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index d45c04b..f98002e 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -26,7 +26,6 @@
 #include "locking.h"
 #include "print-tree.h"
 #include "backref.h"
-#include "compat.h"
 #include "tree-log.h"
 #include "hash.h"
 
@@ -936,7 +935,7 @@
 					    parent_objectid,
 					    victim_name,
 					    victim_name_len)) {
-				btrfs_inc_nlink(inode);
+				inc_nlink(inode);
 				btrfs_release_path(path);
 
 				ret = btrfs_unlink_inode(trans, root, dir,
@@ -1006,7 +1005,7 @@
 				victim_parent = read_one_inode(root,
 							       parent_objectid);
 				if (victim_parent) {
-					btrfs_inc_nlink(inode);
+					inc_nlink(inode);
 					btrfs_release_path(path);
 
 					ret = btrfs_unlink_inode(trans, root,
@@ -1490,7 +1489,7 @@
 		if (!inode->i_nlink)
 			set_nlink(inode, 1);
 		else
-			btrfs_inc_nlink(inode);
+			inc_nlink(inode);
 		ret = btrfs_update_inode(trans, root, inode);
 	} else if (ret == -EEXIST) {
 		ret = 0;
@@ -1851,7 +1850,7 @@
 				goto out;
 			}
 
-			btrfs_inc_nlink(inode);
+			inc_nlink(inode);
 			ret = btrfs_unlink_inode(trans, root, dir, inode,
 						 name, name_len);
 			if (!ret)