nfsd41: allow non-reclaim open-by-fh's in 4.1

With NFSv4.0 it was safe to assume that open-by-filehandles were always
reclaims.

With NFSv4.1 there are non-reclaim open-by-filehandle operations, so we
should ensure we're only insisting on reclaims in the
OPEN_CLAIM_PREVIOUS case.

Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index fa383361bc61..9415bc415ce8 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -266,10 +266,6 @@ do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_
 {
         __be32 status;
 
-        /* Only reclaims from previously confirmed clients are valid */
-        if ((status = nfs4_check_open_reclaim(&open->op_clientid)))
-                return status;
-
         /* We don't know the target directory, and therefore can not
         * set the change info
         */
@@ -373,6 +369,9 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
                         break;
                 case NFS4_OPEN_CLAIM_PREVIOUS:
                         open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;
+                        status = nfs4_check_open_reclaim(&open->op_clientid);
+                        if (status)
+                                goto out;
                 case NFS4_OPEN_CLAIM_FH:
                 case NFS4_OPEN_CLAIM_DELEG_CUR_FH:
                         status = do_open_fhandle(rqstp, &cstate->current_fh,