ext4: return FIEMAP_EXTENT_UNKNOWN for delalloc extents

Return the FIEMAP_EXTENT_UNKNOWN flag as well except the FIEMAP_EXTENT_DELALLOC because the data location of an delayed allocation extent is unknown. Signed-off-by: Jie Liu <jeff.liu@oracle.com>
git-mirror · Jun 13, 2013 · 72dac95 · 72dac95
1 parent 75497d0
commit 72dac95
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
@@ -2125,7 +2125,8 @@ static int ext4_fill_fiemap_extents(struct inode *inode,
 		next_del = ext4_find_delayed_extent(inode, &es);
 		if (!exists && next_del) {
 			exists = 1;
-			flags |= FIEMAP_EXTENT_DELALLOC;
+			flags |= (FIEMAP_EXTENT_DELALLOC |
+				  FIEMAP_EXTENT_UNKNOWN);
 		}
 		up_read(&EXT4_I(inode)->i_data_sem);