From: Jie Liu <jeff.liu@xxxxxxxxxx>
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@xxxxxxxxxx>
---
fs/ext4/extents.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index bc0f191..47e17b1 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);
--
1.7.9.5
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