btrfs: open code trivial helper btrfs_page_exists_in_range

The called function name is self explanatory. Signed-off-by: David Sterba <dsterba@suse.com>
2018-03-07 15:33:22 +01:00
parent 965aab1cfc
commit 051c98eb11
3 changed files with 4 additions and 9 deletions
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7489,8 +7489,8 @@ static int lock_extent_direct(struct inode *inode, u64 lockstart, u64 lockend,
 		 * get stale data.
 		 */
 		if (!ordered &&
-		    (!writing ||
-		     !btrfs_page_exists_in_range(inode, lockstart, lockend)))
+		    (!writing || !filemap_range_has_page(inode->i_mapping,
+							 lockstart, lockend)))
 			break;

 		unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,