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NFSv4: Translate NFS4ERR_BADNAME into ENOENT when applied to a lookup

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Both LOOKUP and OPEN operations may return NFS4ERR_BADNAME if we send a
an invalid name as a filename argument. As far as the application is
concerned, it just has to know that the file doesn't exist, and so
ENOENT would be the appropriate reply. We should only return EINVAL
if the filename is being used to _create_ a new object on the
remote filesystem.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2011-10-18 16:11:49 -07:00
parent 0c2e53f11a
commit 08ef7bd3bc
1 changed files with 9 additions and 1 deletions
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10
fs/nfs/nfs4proc.c
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@ -1593,8 +1593,14 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
int status;
status = nfs4_run_open_task(data, 0);
if (status != 0 || !data->rpc_done)
if (!data->rpc_done)
return status;
if (status != 0) {
if (status == -NFS4ERR_BADNAME &&
!(o_arg->open_flags & O_CREAT))
return -ENOENT;
return status;
}
if (o_arg->open_flags & O_CREAT) {
update_changeattr(dir, &o_res->cinfo);
@ -2455,6 +2461,8 @@ static int nfs4_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qst
status = _nfs4_proc_lookup(clnt, dir, name, fhandle, fattr);
switch (status) {
case -NFS4ERR_BADNAME:
return -ENOENT;
case -NFS4ERR_MOVED:
err = nfs4_get_referral(dir, name, fattr, fhandle);
break;