From 72dac95d4403ee7231e094e1735ecb96032e6117 Mon Sep 17 00:00:00 2001
From: Jie Liu
Date: Wed, 12 Jun 2013 23:13:59 -0400
Subject: 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>
---
 fs/ext4/extents.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'fs')

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d04f40936397..51e41687f51e 100644
--- 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);
 
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