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xfs: failure mapping nfs fh to inode should return ESTALE 

On xfs exports, nfsd is incorrectly returning ENOENT instead of
ESTALE on attempts to use a filehandle of a deleted file (spotted
with pynfs test PUTFH3).  The ENOENT was coming from xfs_iget.

(It's tempting to wonder whether we should just map all xfs_iget
errors to ESTALE, but I don't believe so--xfs_iget can also return
ENOMEM at least, which we wouldn't want mapped to ESTALE.)

While we're at it, the other return of ENOENT in xfs_nfs_get_inode()
also looks wrong.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
J. Bruce Fields 2011-07-14 20:50:36 +00:00 committed by Alex Elder
parent adab0f67d1
commit ad1a2c878c
1 changed files with 2 additions and 2 deletions
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4
fs/xfs/linux-2.6/xfs_export.c
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@ -151,14 +151,14 @@ xfs_nfs_get_inode(
* We don't use ESTALE directly down the chain to not
* confuse applications using bulkstat that expect EINVAL.
*/
if (error == EINVAL)
if (error == EINVAL || error == ENOENT)
error = ESTALE;
return ERR_PTR(-error);
}
if (ip->i_d.di_gen != generation) {
IRELE(ip);
return ERR_PTR(-ENOENT);
return ERR_PTR(-ESTALE);
}
return VFS_I(ip);