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Btrfs: return the internal error unchanged if btrfs_get_extent_fiemap() call failed for SEEK_DATA/SEEK_HOLE inquiry

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Given that ENXIO only means "offset beyond EOF" for either SEEK_DATA or SEEK_HOLE inquiry
in a desired file range, so we should return the internal error unchanged if btrfs_get_extent_fiemap()
call failed, rather than ENXIO.

Cc: Dave Chinner <david@fromorbit.com>
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
This commit is contained in:
Jeff Liu 2012-02-09 14:25:50 +08:00 committed by David Sterba
parent 8f24b49688
commit 6af021d8fc
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/file.c
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@ -1755,7 +1755,7 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int origin)
start - root->sectorsize,
root->sectorsize, 0);
if (IS_ERR(em)) {
ret = -ENXIO;
ret = PTR_ERR(em);
goto out;
}
last_end = em->start + em->len;
@ -1767,7 +1767,7 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int origin)
while (1) {
em = btrfs_get_extent_fiemap(inode, NULL, 0, start, len, 0);
if (IS_ERR(em)) {
ret = -ENXIO;
ret = PTR_ERR(em);
break;
}