From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Move the slot return, put session etc into a helper in fs/nfsd/nfs4state.c
instead of open coding in nfs4svc_encode_compoundres.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
fs/nfsd/nfs4state.c | 35 ++++++++++++++++++++++-------------
fs/nfsd/nfs4xdr.c | 15 +--------------
fs/nfsd/state.h | 1 -
fs/nfsd/xdr4.h | 2 +-
4 files changed, 24 insertions(+), 29 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3ce5dc30f767..ade15fcddd08 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -203,18 +203,6 @@ static void put_client_renew_locked(struct nfs4_client *clp)
renew_client_locked(clp);
}
-void put_client_renew(struct nfs4_client *clp)
-{
- struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
-
- if (!atomic_dec_and_lock(&clp->cl_refcount, &nn->client_lock))
- return;
- if (!is_client_expired(clp))
- renew_client_locked(clp);
- spin_unlock(&nn->client_lock);
-}
-
-
static inline u32
opaque_hashval(const void *ptr, int nbytes)
{
@@ -1650,7 +1638,7 @@ out_err:
/*
* Cache a reply. nfsd4_check_resp_size() has bounded the cache size.
*/
-void
+static void
nfsd4_store_cache_entry(struct nfsd4_compoundres *resp)
{
struct xdr_buf *buf = resp->xdr.buf;
@@ -2422,6 +2410,27 @@ out_put_client:
goto out_no_session;
}
+void
+nfsd4_sequence_done(struct nfsd4_compoundres *resp)
+{
+ struct nfsd4_compound_state *cs = &resp->cstate;
+
+ if (nfsd4_has_session(cs)) {
+ struct nfs4_client *clp = cs->session->se_client;
+ struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
+
+ if (cs->status != nfserr_replay_cache) {
+ nfsd4_store_cache_entry(resp);
+ cs->slot->sl_flags &= ~NFSD4_SLOT_INUSE;
+ }
+ /* Renew the clientid on success and on replay */
+ spin_lock(&nn->client_lock);
+ nfsd4_put_session(cs->session);
+ put_client_renew_locked(clp);
+ spin_unlock(&nn->client_lock);
+ }
+}
+
__be32
nfsd4_destroy_clientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_destroy_clientid *dc)
{
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index a1c48b4111d2..1c5e87e660cd 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -4006,7 +4006,6 @@ nfs4svc_encode_compoundres(struct svc_rqst *rqstp, __be32 *p, struct nfsd4_compo
/*
* All that remains is to write the tag and operation count...
*/
- struct nfsd4_compound_state *cs = &resp->cstate;
struct xdr_buf *buf = resp->xdr.buf;
WARN_ON_ONCE(buf->len != buf->head[0].iov_len + buf->page_len +
@@ -4020,19 +4019,7 @@ nfs4svc_encode_compoundres(struct svc_rqst *rqstp, __be32 *p, struct nfsd4_compo
p += XDR_QUADLEN(resp->taglen);
*p++ = htonl(resp->opcnt);
- if (nfsd4_has_session(cs)) {
- struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
- struct nfs4_client *clp = cs->session->se_client;
- if (cs->status != nfserr_replay_cache) {
- nfsd4_store_cache_entry(resp);
- cs->slot->sl_flags &= ~NFSD4_SLOT_INUSE;
- }
- /* Renew the clientid on success and on replay */
- spin_lock(&nn->client_lock);
- nfsd4_put_session(cs->session);
- spin_unlock(&nn->client_lock);
- put_client_renew(clp);
- }
+ nfsd4_sequence_done(resp);
return 1;
}
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 7d6ba06c1abe..24eec922685c 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -477,7 +477,6 @@ extern void nfs4_put_delegation(struct nfs4_delegation *dp);
extern struct nfs4_client_reclaim *nfs4_client_to_reclaim(const char *name,
struct nfsd_net *nn);
extern bool nfs4_has_reclaimed_state(const char *name, struct nfsd_net *nn);
-extern void put_client_renew(struct nfs4_client *clp);
/* nfs4recover operations */
extern int nfsd4_client_tracking_init(struct net *net);
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 18cbb6d9c8a9..7d8af164523b 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -574,7 +574,6 @@ extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
struct nfsd4_compound_state *,
struct nfsd4_setclientid_confirm *setclientid_confirm);
-extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp);
extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
@@ -585,6 +584,7 @@ extern __be32 nfsd4_create_session(struct svc_rqst *,
extern __be32 nfsd4_sequence(struct svc_rqst *,
struct nfsd4_compound_state *,
struct nfsd4_sequence *);
+extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp);
extern __be32 nfsd4_destroy_session(struct svc_rqst *,
struct nfsd4_compound_state *,
struct nfsd4_destroy_session *);
--
1.9.3
--
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