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Diffstat (limited to 'fs/nfsd/nfs4state.c')
-rw-r--r--fs/nfsd/nfs4state.c179
1 files changed, 101 insertions, 78 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a0dee8ae9f97..0c04f81aa63b 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1912,28 +1912,15 @@ static void copy_clid(struct nfs4_client *target, struct nfs4_client *source)
target->cl_clientid.cl_id = source->cl_clientid.cl_id;
}
-int strdup_if_nonnull(char **target, char *source)
-{
- if (source) {
- *target = kstrdup(source, GFP_KERNEL);
- if (!*target)
- return -ENOMEM;
- } else
- *target = NULL;
- return 0;
-}
-
static int copy_cred(struct svc_cred *target, struct svc_cred *source)
{
- int ret;
+ target->cr_principal = kstrdup(source->cr_principal, GFP_KERNEL);
+ target->cr_raw_principal = kstrdup(source->cr_raw_principal,
+ GFP_KERNEL);
+ if ((source->cr_principal && ! target->cr_principal) ||
+ (source->cr_raw_principal && ! target->cr_raw_principal))
+ return -ENOMEM;
- ret = strdup_if_nonnull(&target->cr_principal, source->cr_principal);
- if (ret)
- return ret;
- ret = strdup_if_nonnull(&target->cr_raw_principal,
- source->cr_raw_principal);
- if (ret)
- return ret;
target->cr_flavor = source->cr_flavor;
target->cr_uid = source->cr_uid;
target->cr_gid = source->cr_gid;
@@ -2281,7 +2268,7 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, struct svc_r
out_err:
conn->cb_addr.ss_family = AF_UNSPEC;
conn->cb_addrlen = 0;
- dprintk(KERN_INFO "NFSD: this client (clientid %08x/%08x) "
+ dprintk("NFSD: this client (clientid %08x/%08x) "
"will not receive delegations\n",
clp->cl_clientid.cl_boot, clp->cl_clientid.cl_id);
@@ -2415,10 +2402,10 @@ static bool client_has_state(struct nfs4_client *clp)
}
__be32
-nfsd4_exchange_id(struct svc_rqst *rqstp,
- struct nfsd4_compound_state *cstate,
- struct nfsd4_exchange_id *exid)
+nfsd4_exchange_id(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
+ struct nfsd4_exchange_id *exid = &u->exchange_id;
struct nfs4_client *conf, *new;
struct nfs4_client *unconf = NULL;
__be32 status;
@@ -2711,9 +2698,9 @@ static __be32 nfsd4_check_cb_sec(struct nfsd4_cb_sec *cbs)
__be32
nfsd4_create_session(struct svc_rqst *rqstp,
- struct nfsd4_compound_state *cstate,
- struct nfsd4_create_session *cr_ses)
+ struct nfsd4_compound_state *cstate, union nfsd4_op_u *u)
{
+ struct nfsd4_create_session *cr_ses = &u->create_session;
struct sockaddr *sa = svc_addr(rqstp);
struct nfs4_client *conf, *unconf;
struct nfs4_client *old = NULL;
@@ -2837,8 +2824,11 @@ static __be32 nfsd4_map_bcts_dir(u32 *dir)
return nfserr_inval;
}
-__be32 nfsd4_backchannel_ctl(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_backchannel_ctl *bc)
+__be32 nfsd4_backchannel_ctl(struct svc_rqst *rqstp,
+ struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
+ struct nfsd4_backchannel_ctl *bc = &u->backchannel_ctl;
struct nfsd4_session *session = cstate->session;
struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
__be32 status;
@@ -2858,8 +2848,9 @@ __be32 nfsd4_backchannel_ctl(struct svc_rqst *rqstp, struct nfsd4_compound_state
__be32 nfsd4_bind_conn_to_session(struct svc_rqst *rqstp,
struct nfsd4_compound_state *cstate,
- struct nfsd4_bind_conn_to_session *bcts)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_bind_conn_to_session *bcts = &u->bind_conn_to_session;
__be32 status;
struct nfsd4_conn *conn;
struct nfsd4_session *session;
@@ -2899,10 +2890,10 @@ static bool nfsd4_compound_in_session(struct nfsd4_session *session, struct nfs4
}
__be32
-nfsd4_destroy_session(struct svc_rqst *r,
- struct nfsd4_compound_state *cstate,
- struct nfsd4_destroy_session *sessionid)
+nfsd4_destroy_session(struct svc_rqst *r, struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
+ struct nfsd4_destroy_session *sessionid = &u->destroy_session;
struct nfsd4_session *ses;
__be32 status;
int ref_held_by_me = 0;
@@ -2996,10 +2987,10 @@ static bool nfsd4_request_too_big(struct svc_rqst *rqstp,
}
__be32
-nfsd4_sequence(struct svc_rqst *rqstp,
- struct nfsd4_compound_state *cstate,
- struct nfsd4_sequence *seq)
+nfsd4_sequence(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
+ struct nfsd4_sequence *seq = &u->sequence;
struct nfsd4_compoundres *resp = rqstp->rq_resp;
struct xdr_stream *xdr = &resp->xdr;
struct nfsd4_session *session;
@@ -3133,8 +3124,11 @@ nfsd4_sequence_done(struct nfsd4_compoundres *resp)
}
__be32
-nfsd4_destroy_clientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_destroy_clientid *dc)
+nfsd4_destroy_clientid(struct svc_rqst *rqstp,
+ struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
+ struct nfsd4_destroy_clientid *dc = &u->destroy_clientid;
struct nfs4_client *conf, *unconf;
struct nfs4_client *clp = NULL;
__be32 status = 0;
@@ -3174,8 +3168,10 @@ out:
}
__be32
-nfsd4_reclaim_complete(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_reclaim_complete *rc)
+nfsd4_reclaim_complete(struct svc_rqst *rqstp,
+ struct nfsd4_compound_state *cstate, union nfsd4_op_u *u)
{
+ struct nfsd4_reclaim_complete *rc = &u->reclaim_complete;
__be32 status = 0;
if (rc->rca_one_fs) {
@@ -3212,8 +3208,9 @@ out:
__be32
nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_setclientid *setclid)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_setclientid *setclid = &u->setclientid;
struct xdr_netobj clname = setclid->se_name;
nfs4_verifier clverifier = setclid->se_verf;
struct nfs4_client *conf, *new;
@@ -3270,9 +3267,11 @@ out:
__be32
nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
- struct nfsd4_compound_state *cstate,
- struct nfsd4_setclientid_confirm *setclientid_confirm)
+ struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
+ struct nfsd4_setclientid_confirm *setclientid_confirm =
+ &u->setclientid_confirm;
struct nfs4_client *conf, *unconf;
struct nfs4_client *old = NULL;
nfs4_verifier confirm = setclientid_confirm->sc_confirm;
@@ -4519,8 +4518,9 @@ void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate,
__be32
nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- clientid_t *clid)
+ union nfsd4_op_u *u)
{
+ clientid_t *clid = &u->renew;
struct nfs4_client *clp;
__be32 status;
struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
@@ -5006,8 +5006,9 @@ out:
*/
__be32
nfsd4_test_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_test_stateid *test_stateid)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_test_stateid *test_stateid = &u->test_stateid;
struct nfsd4_test_stateid_id *stateid;
struct nfs4_client *cl = cstate->session->se_client;
@@ -5046,8 +5047,9 @@ out:
__be32
nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_free_stateid *free_stateid)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_free_stateid *free_stateid = &u->free_stateid;
stateid_t *stateid = &free_stateid->fr_stateid;
struct nfs4_stid *s;
struct nfs4_delegation *dp;
@@ -5175,8 +5177,9 @@ static __be32 nfs4_preprocess_confirmed_seqid_op(struct nfsd4_compound_state *cs
__be32
nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_open_confirm *oc)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_open_confirm *oc = &u->open_confirm;
__be32 status;
struct nfs4_openowner *oo;
struct nfs4_ol_stateid *stp;
@@ -5243,9 +5246,9 @@ static inline void nfs4_stateid_downgrade(struct nfs4_ol_stateid *stp, u32 to_ac
__be32
nfsd4_open_downgrade(struct svc_rqst *rqstp,
- struct nfsd4_compound_state *cstate,
- struct nfsd4_open_downgrade *od)
+ struct nfsd4_compound_state *cstate, union nfsd4_op_u *u)
{
+ struct nfsd4_open_downgrade *od = &u->open_downgrade;
__be32 status;
struct nfs4_ol_stateid *stp;
struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
@@ -5313,8 +5316,9 @@ static void nfsd4_close_open_stateid(struct nfs4_ol_stateid *s)
*/
__be32
nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_close *close)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_close *close = &u->close;
__be32 status;
struct nfs4_ol_stateid *stp;
struct net *net = SVC_NET(rqstp);
@@ -5343,8 +5347,9 @@ out:
__be32
nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_delegreturn *dr)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_delegreturn *dr = &u->delegreturn;
struct nfs4_delegation *dp;
stateid_t *stateid = &dr->dr_stateid;
struct nfs4_stid *s;
@@ -5719,8 +5724,9 @@ out:
*/
__be32
nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_lock *lock)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_lock *lock = &u->lock;
struct nfs4_openowner *open_sop = NULL;
struct nfs4_lockowner *lock_sop = NULL;
struct nfs4_ol_stateid *lock_stp = NULL;
@@ -5952,8 +5958,9 @@ static __be32 nfsd_test_lock(struct svc_rqst *rqstp, struct svc_fh *fhp, struct
*/
__be32
nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_lockt *lockt)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_lockt *lockt = &u->lockt;
struct file_lock *file_lock = NULL;
struct nfs4_lockowner *lo = NULL;
__be32 status;
@@ -6025,8 +6032,9 @@ out:
__be32
nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
- struct nfsd4_locku *locku)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_locku *locku = &u->locku;
struct nfs4_ol_stateid *stp;
struct file *filp = NULL;
struct file_lock *file_lock = NULL;
@@ -6132,8 +6140,9 @@ check_for_locks(struct nfs4_file *fp, struct nfs4_lockowner *lowner)
__be32
nfsd4_release_lockowner(struct svc_rqst *rqstp,
struct nfsd4_compound_state *cstate,
- struct nfsd4_release_lockowner *rlockowner)
+ union nfsd4_op_u *u)
{
+ struct nfsd4_release_lockowner *rlockowner = &u->release_lockowner;
clientid_t *clid = &rlockowner->rl_clientid;
struct nfs4_stateowner *sop;
struct nfs4_lockowner *lo = NULL;
@@ -7012,23 +7021,24 @@ nfs4_state_start(void)
ret = set_callback_cred();
if (ret)
- return -ENOMEM;
+ return ret;
+
laundry_wq = alloc_workqueue("%s", WQ_UNBOUND, 0, "nfsd4");
if (laundry_wq == NULL) {
ret = -ENOMEM;
- goto out_recovery;
+ goto out_cleanup_cred;
}
ret = nfsd4_create_callback_queue();
if (ret)
goto out_free_laundry;
set_max_delegations();
-
return 0;
out_free_laundry:
destroy_workqueue(laundry_wq);
-out_recovery:
+out_cleanup_cred:
+ cleanup_callback_cred();
return ret;
}
@@ -7086,6 +7096,7 @@ nfs4_state_shutdown(void)
{
destroy_workqueue(laundry_wq);
nfsd4_destroy_callback_queue();
+ cleanup_callback_cred();
}
static void
@@ -7114,27 +7125,31 @@ clear_current_stateid(struct nfsd4_compound_state *cstate)
* functions to set current state id
*/
void
-nfsd4_set_opendowngradestateid(struct nfsd4_compound_state *cstate, struct nfsd4_open_downgrade *odp)
+nfsd4_set_opendowngradestateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- put_stateid(cstate, &odp->od_stateid);
+ put_stateid(cstate, &u->open_downgrade.od_stateid);
}
void
-nfsd4_set_openstateid(struct nfsd4_compound_state *cstate, struct nfsd4_open *open)
+nfsd4_set_openstateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- put_stateid(cstate, &open->op_stateid);
+ put_stateid(cstate, &u->open.op_stateid);
}
void
-nfsd4_set_closestateid(struct nfsd4_compound_state *cstate, struct nfsd4_close *close)
+nfsd4_set_closestateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- put_stateid(cstate, &close->cl_stateid);
+ put_stateid(cstate, &u->close.cl_stateid);
}
void
-nfsd4_set_lockstateid(struct nfsd4_compound_state *cstate, struct nfsd4_lock *lock)
+nfsd4_set_lockstateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- put_stateid(cstate, &lock->lk_resp_stateid);
+ put_stateid(cstate, &u->lock.lk_resp_stateid);
}
/*
@@ -7142,49 +7157,57 @@ nfsd4_set_lockstateid(struct nfsd4_compound_state *cstate, struct nfsd4_lock *lo
*/
void
-nfsd4_get_opendowngradestateid(struct nfsd4_compound_state *cstate, struct nfsd4_open_downgrade *odp)
+nfsd4_get_opendowngradestateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- get_stateid(cstate, &odp->od_stateid);
+ get_stateid(cstate, &u->open_downgrade.od_stateid);
}
void
-nfsd4_get_delegreturnstateid(struct nfsd4_compound_state *cstate, struct nfsd4_delegreturn *drp)
+nfsd4_get_delegreturnstateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- get_stateid(cstate, &drp->dr_stateid);
+ get_stateid(cstate, &u->delegreturn.dr_stateid);
}
void
-nfsd4_get_freestateid(struct nfsd4_compound_state *cstate, struct nfsd4_free_stateid *fsp)
+nfsd4_get_freestateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- get_stateid(cstate, &fsp->fr_stateid);
+ get_stateid(cstate, &u->free_stateid.fr_stateid);
}
void
-nfsd4_get_setattrstateid(struct nfsd4_compound_state *cstate, struct nfsd4_setattr *setattr)
+nfsd4_get_setattrstateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- get_stateid(cstate, &setattr->sa_stateid);
+ get_stateid(cstate, &u->setattr.sa_stateid);
}
void
-nfsd4_get_closestateid(struct nfsd4_compound_state *cstate, struct nfsd4_close *close)
+nfsd4_get_closestateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- get_stateid(cstate, &close->cl_stateid);
+ get_stateid(cstate, &u->close.cl_stateid);
}
void
-nfsd4_get_lockustateid(struct nfsd4_compound_state *cstate, struct nfsd4_locku *locku)
+nfsd4_get_lockustateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- get_stateid(cstate, &locku->lu_stateid);
+ get_stateid(cstate, &u->locku.lu_stateid);
}
void
-nfsd4_get_readstateid(struct nfsd4_compound_state *cstate, struct nfsd4_read *read)
+nfsd4_get_readstateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- get_stateid(cstate, &read->rd_stateid);
+ get_stateid(cstate, &u->read.rd_stateid);
}
void
-nfsd4_get_writestateid(struct nfsd4_compound_state *cstate, struct nfsd4_write *write)
+nfsd4_get_writestateid(struct nfsd4_compound_state *cstate,
+ union nfsd4_op_u *u)
{
- get_stateid(cstate, &write->wr_stateid);
+ get_stateid(cstate, &u->write.wr_stateid);
}
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