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authorTrond Myklebust <trond.myklebust@hammerspace.com>2020-11-30 17:03:18 -0500
committerChuck Lever <chuck.lever@oracle.com>2020-12-09 09:39:38 -0500
commit2e19d10c1438241de32467637a2a411971547991 (patch)
tree6e86240c261ca922b91cb3eb652537b89fa54c14 /fs/nfsd/nfsfh.c
parentd045465fc6cbfa4acfb5a7d817a7c1a57a078109 (diff)
nfsd: Fix up nfsd to ensure that timeout errors don't result in ESTALE
If the underlying filesystem times out, then we want knfsd to return NFSERR_JUKEBOX/DELAY rather than NFSERR_STALE. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/nfsfh.c')
-rw-r--r--fs/nfsd/nfsfh.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 9c29a523f484..e80a7525561d 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -268,12 +268,20 @@ static __be32 nfsd_set_fh_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp)
if (fileid_type == FILEID_ROOT)
dentry = dget(exp->ex_path.dentry);
else {
- dentry = exportfs_decode_fh(exp->ex_path.mnt, fid,
- data_left, fileid_type,
- nfsd_acceptable, exp);
- if (IS_ERR_OR_NULL(dentry))
+ dentry = exportfs_decode_fh_raw(exp->ex_path.mnt, fid,
+ data_left, fileid_type,
+ nfsd_acceptable, exp);
+ if (IS_ERR_OR_NULL(dentry)) {
trace_nfsd_set_fh_dentry_badhandle(rqstp, fhp,
dentry ? PTR_ERR(dentry) : -ESTALE);
+ switch (PTR_ERR(dentry)) {
+ case -ENOMEM:
+ case -ETIMEDOUT:
+ break;
+ default:
+ dentry = ERR_PTR(-ESTALE);
+ }
+ }
}
if (dentry == NULL)
goto out;