NFSD: simplify saved/current fh uses in nfsd4_proc_compound
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index b9048e5..b8ad1c5 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1273,6 +1273,8 @@
struct nfsd4_op *op;
struct nfsd4_operation *opdesc;
struct nfsd4_compound_state *cstate = &resp->cstate;
+ struct svc_fh *current_fh = &cstate->current_fh;
+ struct svc_fh *save_fh = &cstate->save_fh;
int slack_bytes;
u32 plen = 0;
__be32 status;
@@ -1288,11 +1290,11 @@
resp->tag = args->tag;
resp->opcnt = 0;
resp->rqstp = rqstp;
- resp->cstate.minorversion = args->minorversion;
- resp->cstate.replay_owner = NULL;
- resp->cstate.session = NULL;
- fh_init(&resp->cstate.current_fh, NFS4_FHSIZE);
- fh_init(&resp->cstate.save_fh, NFS4_FHSIZE);
+ cstate->minorversion = args->minorversion;
+ cstate->replay_owner = NULL;
+ cstate->session = NULL;
+ fh_init(current_fh, NFS4_FHSIZE);
+ fh_init(save_fh, NFS4_FHSIZE);
/*
* Don't use the deferral mechanism for NFSv4; compounds make it
* too hard to avoid non-idempotency problems.
@@ -1345,12 +1347,12 @@
opdesc = OPDESC(op);
- if (!cstate->current_fh.fh_dentry) {
+ if (!current_fh->fh_dentry) {
if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) {
op->status = nfserr_nofilehandle;
goto encode_op;
}
- } else if (cstate->current_fh.fh_export->ex_fslocs.migrated &&
+ } else if (current_fh->fh_export->ex_fslocs.migrated &&
!(opdesc->op_flags & ALLOWED_ON_ABSENT_FS)) {
op->status = nfserr_moved;
goto encode_op;
@@ -1383,12 +1385,12 @@
clear_current_stateid(cstate);
if (need_wrongsec_check(rqstp))
- op->status = check_nfsd_access(cstate->current_fh.fh_export, rqstp);
+ op->status = check_nfsd_access(current_fh->fh_export, rqstp);
}
encode_op:
/* Only from SEQUENCE */
- if (resp->cstate.status == nfserr_replay_cache) {
+ if (cstate->status == nfserr_replay_cache) {
dprintk("%s NFS4.1 replay from cache\n", __func__);
status = op->status;
goto out;
@@ -1417,10 +1419,10 @@
nfsd4_increment_op_stats(op->opnum);
}
- resp->cstate.status = status;
- fh_put(&resp->cstate.current_fh);
- fh_put(&resp->cstate.save_fh);
- BUG_ON(resp->cstate.replay_owner);
+ cstate->status = status;
+ fh_put(current_fh);
+ fh_put(save_fh);
+ BUG_ON(cstate->replay_owner);
out:
/* Reset deferral mechanism for RPC deferrals */
rqstp->rq_usedeferral = 1;