return clp;
}
+static void
+shutdown_callback_client(struct nfs4_client *clp)
+{
+ struct rpc_clnt *clnt = clp->cl_callback.cb_client;
+
+ /* shutdown rpc client, ending any outstanding recall rpcs */
+ if (clnt) {
+ clp->cl_callback.cb_client = NULL;
+ rpc_shutdown_client(clnt);
+ }
+}
+
static inline void
free_client(struct nfs4_client *clp)
{
+ shutdown_callback_client(clp);
if (clp->cl_cred.cr_group_info)
put_group_info(clp->cl_cred.cr_group_info);
kfree(clp->cl_name.data);
free_client(clp);
}
-static void
-shutdown_callback_client(struct nfs4_client *clp)
-{
- struct rpc_clnt *clnt = clp->cl_callback.cb_client;
-
- /* shutdown rpc client, ending any outstanding recall rpcs */
- if (clnt) {
- clp->cl_callback.cb_client = NULL;
- rpc_shutdown_client(clnt);
- }
-}
-
static void
expire_client(struct nfs4_client *clp)
{
dprintk("NFSD: expire_client cl_count %d\n",
atomic_read(&clp->cl_count));
- shutdown_callback_client(clp);
-
INIT_LIST_HEAD(&reaplist);
spin_lock(&recall_lock);
while (!list_empty(&clp->cl_delegations)) {
}
static inline int
-same_name(const char *n1, const char *n2) {
+same_name(const char *n1, const char *n2)
+{
return 0 == memcmp(n1, n2, HEXDIR_LEN);
}
static int
-cmp_verf(nfs4_verifier *v1, nfs4_verifier *v2) {
- return(!memcmp(v1->data,v2->data,sizeof(v1->data)));
+same_verf(nfs4_verifier *v1, nfs4_verifier *v2)
+{
+ return 0 == memcmp(v1->data, v2->data, sizeof(v1->data));
}
static int
-cmp_clid(clientid_t * cl1, clientid_t * cl2) {
- return((cl1->cl_boot == cl2->cl_boot) &&
- (cl1->cl_id == cl2->cl_id));
+same_clid(clientid_t *cl1, clientid_t *cl2)
+{
+ return (cl1->cl_boot == cl2->cl_boot) && (cl1->cl_id == cl2->cl_id);
}
/* XXX what about NGROUP */
static int
-cmp_creds(struct svc_cred *cr1, struct svc_cred *cr2){
- return(cr1->cr_uid == cr2->cr_uid);
-
+same_creds(struct svc_cred *cr1, struct svc_cred *cr2)
+{
+ return cr1->cr_uid == cr2->cr_uid;
}
static void
if (name.len == 0)
return 0;
if (name.len > NFS4_OPAQUE_LIMIT) {
- printk("NFSD: check_name: name too long(%d)!\n", name.len);
+ dprintk("NFSD: check_name: name too long(%d)!\n", name.len);
return 0;
}
return 1;
unsigned int idhashval = clientid_hashval(clid->cl_id);
list_for_each_entry(clp, &conf_id_hashtbl[idhashval], cl_idhash) {
- if (cmp_clid(&clp->cl_clientid, clid))
+ if (same_clid(&clp->cl_clientid, clid))
return clp;
}
return NULL;
unsigned int idhashval = clientid_hashval(clid->cl_id);
list_for_each_entry(clp, &unconf_id_hashtbl[idhashval], cl_idhash) {
- if (cmp_clid(&clp->cl_clientid, clid))
+ if (same_clid(&clp->cl_clientid, clid))
return clp;
}
return NULL;
* or different ip_address
*/
status = nfserr_clid_inuse;
- if (!cmp_creds(&conf->cl_cred, &rqstp->rq_cred)
+ if (!same_creds(&conf->cl_cred, &rqstp->rq_cred)
|| conf->cl_addr != sin->sin_addr.s_addr) {
dprintk("NFSD: setclientid: string in use by client"
"at %u.%u.%u.%u\n", NIPQUAD(conf->cl_addr));
new = create_client(clname, dname);
if (new == NULL)
goto out;
- copy_verf(new, &clverifier);
- new->cl_addr = sin->sin_addr.s_addr;
- copy_cred(&new->cl_cred,&rqstp->rq_cred);
gen_clid(new);
- gen_confirm(new);
- gen_callback(new, setclid);
- add_to_unconfirmed(new, strhashval);
- } else if (cmp_verf(&conf->cl_verifier, &clverifier)) {
+ } else if (same_verf(&conf->cl_verifier, &clverifier)) {
/*
* CASE 1:
* cl_name match, confirmed, principal match
new = create_client(clname, dname);
if (new == NULL)
goto out;
- copy_verf(new,&conf->cl_verifier);
- new->cl_addr = sin->sin_addr.s_addr;
- copy_cred(&new->cl_cred,&rqstp->rq_cred);
copy_clid(new, conf);
- gen_confirm(new);
- gen_callback(new, setclid);
- add_to_unconfirmed(new,strhashval);
} else if (!unconf) {
/*
* CASE 2:
new = create_client(clname, dname);
if (new == NULL)
goto out;
- copy_verf(new,&clverifier);
- new->cl_addr = sin->sin_addr.s_addr;
- copy_cred(&new->cl_cred,&rqstp->rq_cred);
gen_clid(new);
- gen_confirm(new);
- gen_callback(new, setclid);
- add_to_unconfirmed(new, strhashval);
- } else if (!cmp_verf(&conf->cl_confirm, &unconf->cl_confirm)) {
+ } else if (!same_verf(&conf->cl_confirm, &unconf->cl_confirm)) {
/*
* CASE3:
* confirmed found (name, principal match)
new = create_client(clname, dname);
if (new == NULL)
goto out;
- copy_verf(new,&clverifier);
- new->cl_addr = sin->sin_addr.s_addr;
- copy_cred(&new->cl_cred,&rqstp->rq_cred);
gen_clid(new);
- gen_confirm(new);
- gen_callback(new, setclid);
- add_to_unconfirmed(new, strhashval);
} else {
/* No cases hit !!! */
status = nfserr_inval;
goto out;
}
+ copy_verf(new, &clverifier);
+ new->cl_addr = sin->sin_addr.s_addr;
+ copy_cred(&new->cl_cred, &rqstp->rq_cred);
+ gen_confirm(new);
+ gen_callback(new, setclid);
+ add_to_unconfirmed(new, strhashval);
setclid->se_clientid.cl_boot = new->cl_clientid.cl_boot;
setclid->se_clientid.cl_id = new->cl_clientid.cl_id;
memcpy(setclid->se_confirm.data, new->cl_confirm.data, sizeof(setclid->se_confirm.data));
goto out;
if ((conf && unconf) &&
- (cmp_verf(&unconf->cl_confirm, &confirm)) &&
- (cmp_verf(&conf->cl_verifier, &unconf->cl_verifier)) &&
+ (same_verf(&unconf->cl_confirm, &confirm)) &&
+ (same_verf(&conf->cl_verifier, &unconf->cl_verifier)) &&
(same_name(conf->cl_recdir,unconf->cl_recdir)) &&
- (!cmp_verf(&conf->cl_confirm, &unconf->cl_confirm))) {
+ (!same_verf(&conf->cl_confirm, &unconf->cl_confirm))) {
/* CASE 1:
* unconf record that matches input clientid and input confirm.
* conf record that matches input clientid.
* conf and unconf records match names, verifiers
*/
- if (!cmp_creds(&conf->cl_cred, &unconf->cl_cred))
+ if (!same_creds(&conf->cl_cred, &unconf->cl_cred))
status = nfserr_clid_inuse;
else {
/* XXX: We just turn off callbacks until we can handle
}
} else if ((conf && !unconf) ||
((conf && unconf) &&
- (!cmp_verf(&conf->cl_verifier, &unconf->cl_verifier) ||
+ (!same_verf(&conf->cl_verifier, &unconf->cl_verifier) ||
!same_name(conf->cl_recdir, unconf->cl_recdir)))) {
/* CASE 2:
* conf record that matches input clientid.
* unconf->cl_name or unconf->cl_verifier don't match the
* conf record.
*/
- if (!cmp_creds(&conf->cl_cred,&rqstp->rq_cred))
+ if (!same_creds(&conf->cl_cred, &rqstp->rq_cred))
status = nfserr_clid_inuse;
else
status = nfs_ok;
} else if (!conf && unconf
- && cmp_verf(&unconf->cl_confirm, &confirm)) {
+ && same_verf(&unconf->cl_confirm, &confirm)) {
/* CASE 3:
* conf record not found.
* unconf record found.
* unconf->cl_confirm matches input confirm
*/
- if (!cmp_creds(&unconf->cl_cred, &rqstp->rq_cred)) {
+ if (!same_creds(&unconf->cl_cred, &rqstp->rq_cred)) {
status = nfserr_clid_inuse;
} else {
unsigned int hash =
conf = unconf;
status = nfs_ok;
}
- } else if ((!conf || (conf && !cmp_verf(&conf->cl_confirm, &confirm)))
- && (!unconf || (unconf && !cmp_verf(&unconf->cl_confirm,
+ } else if ((!conf || (conf && !same_verf(&conf->cl_confirm, &confirm)))
+ && (!unconf || (unconf && !same_verf(&unconf->cl_confirm,
&confirm)))) {
/* CASE 4:
* conf record not found, or if conf, conf->cl_confirm does not
*slab = NULL;
}
-static void
+void
nfsd4_free_slabs(void)
{
nfsd4_free_slab(&stateowner_slab);
}
static int
-cmp_owner_str(struct nfs4_stateowner *sop, struct xdr_netobj *owner, clientid_t *clid) {
- return ((sop->so_owner.len == owner->len) &&
- !memcmp(sop->so_owner.data, owner->data, owner->len) &&
- (sop->so_client->cl_clientid.cl_id == clid->cl_id));
+same_owner_str(struct nfs4_stateowner *sop, struct xdr_netobj *owner,
+ clientid_t *clid)
+{
+ return (sop->so_owner.len == owner->len) &&
+ 0 == memcmp(sop->so_owner.data, owner->data, owner->len) &&
+ (sop->so_client->cl_clientid.cl_id == clid->cl_id);
}
static struct nfs4_stateowner *
struct nfs4_stateowner *so = NULL;
list_for_each_entry(so, &ownerstr_hashtbl[hashval], so_strhash) {
- if (cmp_owner_str(so, &open->op_owner, &open->op_clientid))
+ if (same_owner_str(so, &open->op_owner, &open->op_clientid))
return so;
}
return NULL;
* lock) we know the server hasn't removed the lease yet, we know
* it's safe to take a reference: */
atomic_inc(&dp->dl_count);
+ atomic_inc(&dp->dl_client->cl_count);
spin_lock(&recall_lock);
list_add_tail(&dp->dl_recall_lru, &del_recall_lru);
/* only place dl_time is set. protected by lock_kernel*/
dp->dl_time = get_seconds();
- /* XXX need to merge NFSD_LEASE_TIME with fs/locks.c:lease_break_time */
- fl->fl_break_time = jiffies + NFSD_LEASE_TIME * HZ;
+ /*
+ * We don't want the locks code to timeout the lease for us;
+ * we'll remove it ourself if the delegation isn't returned
+ * in time.
+ */
+ fl->fl_break_time = 0;
t = kthread_run(do_recall, dp, "%s", "nfs4_cb_recall");
if (IS_ERR(t)) {
printk(KERN_INFO "NFSD: Callback thread failed for "
"for client (clientid %08x/%08x)\n",
clp->cl_clientid.cl_boot, clp->cl_clientid.cl_id);
+ put_nfs4_client(dp->dl_client);
nfs4_put_delegation(dp);
}
}
if (open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS
&& flag == NFS4_OPEN_DELEGATE_NONE
&& open->op_delegate_type != NFS4_OPEN_DELEGATE_NONE)
- printk("NFSD: WARNING: refusing delegation reclaim\n");
+ dprintk("NFSD: WARNING: refusing delegation reclaim\n");
open->op_delegate_type = flag;
}
io_during_grace_disallowed(struct inode *inode, int flags)
{
return nfs4_in_grace() && (flags & (RD_STATE | WR_STATE))
- && MANDATORY_LOCK(inode);
+ && mandatory_lock(inode);
}
/*
*sopp = NULL;
if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) {
- printk("NFSD: preprocess_seqid_op: magic stateid!\n");
+ dprintk("NFSD: preprocess_seqid_op: magic stateid!\n");
return nfserr_bad_stateid;
}
lkflg = setlkflg(lock->lk_type);
if (lock->lk_is_new) {
- if (!sop->so_is_open_owner)
- return nfserr_bad_stateid;
- if (!cmp_clid(&clp->cl_clientid, lockclid))
+ if (!sop->so_is_open_owner)
+ return nfserr_bad_stateid;
+ if (!same_clid(&clp->cl_clientid, lockclid))
return nfserr_bad_stateid;
- /* stp is the open stateid */
- status = nfs4_check_openmode(stp, lkflg);
- if (status)
- return status;
- } else {
- /* stp is the lock stateid */
- status = nfs4_check_openmode(stp->st_openstp, lkflg);
- if (status)
- return status;
+ /* stp is the open stateid */
+ status = nfs4_check_openmode(stp, lkflg);
+ if (status)
+ return status;
+ } else {
+ /* stp is the lock stateid */
+ status = nfs4_check_openmode(stp->st_openstp, lkflg);
+ if (status)
+ return status;
}
-
}
if ((flags & CHECK_FH) && nfs4_check_fh(current_fh, stp)) {
- printk("NFSD: preprocess_seqid_op: fh-stateid mismatch!\n");
+ dprintk("NFSD: preprocess_seqid_op: fh-stateid mismatch!\n");
return nfserr_bad_stateid;
}
goto check_replay;
if (sop->so_confirmed && flags & CONFIRM) {
- printk("NFSD: preprocess_seqid_op: expected"
+ dprintk("NFSD: preprocess_seqid_op: expected"
" unconfirmed stateowner!\n");
return nfserr_bad_stateid;
}
if (!sop->so_confirmed && !(flags & CONFIRM)) {
- printk("NFSD: preprocess_seqid_op: stateowner not"
+ dprintk("NFSD: preprocess_seqid_op: stateowner not"
" confirmed yet!\n");
return nfserr_bad_stateid;
}
if (stateid->si_generation > stp->st_stateid.si_generation) {
- printk("NFSD: preprocess_seqid_op: future stateid?!\n");
+ dprintk("NFSD: preprocess_seqid_op: future stateid?!\n");
return nfserr_bad_stateid;
}
if (stateid->si_generation < stp->st_stateid.si_generation) {
- printk("NFSD: preprocess_seqid_op: old stateid!\n");
+ dprintk("NFSD: preprocess_seqid_op: old stateid!\n");
return nfserr_old_stateid;
}
renew_client(sop->so_client);
/* indicate replay to calling function */
return nfserr_replay_me;
}
- printk("NFSD: preprocess_seqid_op: bad seqid (expected %d, got %d)\n",
+ dprintk("NFSD: preprocess_seqid_op: bad seqid (expected %d, got %d)\n",
sop->so_seqid, seqid);
*sopp = NULL;
return nfserr_bad_seqid;
struct nfs4_stateowner *op;
list_for_each_entry(op, &lock_ownerstr_hashtbl[hashval], so_strhash) {
- if (cmp_owner_str(op, owner, clid))
+ if (same_owner_str(op, owner, clid))
return op;
}
return NULL;
file_lock.fl_type = F_WRLCK;
break;
default:
- printk("NFSD: nfs4_lockt: bad lock type!\n");
+ dprintk("NFSD: nfs4_lockt: bad lock type!\n");
status = nfserr_inval;
goto out;
}
INIT_LIST_HEAD(&matches);
for (i = 0; i < LOCK_HASH_SIZE; i++) {
list_for_each_entry(sop, &lock_ownerid_hashtbl[i], so_idhash) {
- if (!cmp_owner_str(sop, owner, clid))
+ if (!same_owner_str(sop, owner, clid))
continue;
list_for_each_entry(stp, &sop->so_stateids,
st_perstateowner) {
/* initialization to perform at module load time: */
-void
+int
nfs4_state_init(void)
{
- int i;
+ int i, status;
+ status = nfsd4_init_slabs();
+ if (status)
+ return status;
for (i = 0; i < CLIENT_HASH_SIZE; i++) {
INIT_LIST_HEAD(&conf_id_hashtbl[i]);
INIT_LIST_HEAD(&conf_str_hashtbl[i]);
for (i = 0; i < CLIENT_HASH_SIZE; i++)
INIT_LIST_HEAD(&reclaim_str_hashtbl[i]);
reclaim_str_hashtbl_size = 0;
+ return 0;
}
static void
set_max_delegations();
}
-int
+void
nfs4_state_start(void)
{
- int status;
-
if (nfs4_init)
- return 0;
- status = nfsd4_init_slabs();
- if (status)
- return status;
+ return;
nfsd4_load_reboot_recovery_data();
__nfs4_state_start();
nfs4_init = 1;
- return 0;
+ return;
}
int
nfs4_lock_state();
nfs4_release_reclaim();
__nfs4_state_shutdown();
- nfsd4_free_slabs();
nfs4_unlock_state();
}
git.openpandora.org / pandora-kernel.git / blobdiff