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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>
This commit is contained in:
Jie Liu 2013-06-12 23:13:59 -04:00 committed by Theodore Ts'o
parent 75497d0607
commit 72dac95d44
1 changed files with 2 additions and 1 deletions
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3
fs/ext4/extents.c
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@ -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);