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nfsd4: centralize renew_client() calls

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There doesn't seem to be any harm to renewing the client a bit earlier,
when it is looked up.  That saves us from having to sprinkle
renew_client calls over quite so many places.

Also remove a redundant comment and do a little cleanup.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2011-10-12 16:24:27 -04:00
parent 01cd4afadb
commit a50d2ad172
1 changed files with 10 additions and 13 deletions
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23
fs/nfsd/nfs4state.c
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@ -931,9 +931,6 @@ renew_client_locked(struct nfs4_client *clp)
return;
}
/*
* Move client to the end to the LRU list.
*/
dprintk("renewing client (clientid %08x/%08x)\n",
clp->cl_clientid.cl_boot,
clp->cl_clientid.cl_id);
@ -1220,9 +1217,11 @@ find_confirmed_client(clientid_t *clid)
unsigned int idhashval = clientid_hashval(clid->cl_id);
list_for_each_entry(clp, &conf_id_hashtbl[idhashval], cl_idhash) {
if (same_clid(&clp->cl_clientid, clid))
if (same_clid(&clp->cl_clientid, clid)) {
renew_client(clp);
return clp;
}
}
return NULL;
}
@ -2372,11 +2371,15 @@ same_owner_str(struct nfs4_stateowner *sop, struct xdr_netobj *owner,
static struct nfs4_openowner *
find_openstateowner_str(unsigned int hashval, struct nfsd4_open *open)
{
struct nfs4_stateowner *so = NULL;
struct nfs4_stateowner *so;
struct nfs4_openowner *oo;
list_for_each_entry(so, &open_ownerstr_hashtbl[hashval], so_strhash) {
if (same_owner_str(so, &open->op_owner, &open->op_clientid))
return container_of(so, struct nfs4_openowner, oo_owner);
if (same_owner_str(so, &open->op_owner, &open->op_clientid)) {
oo = openowner(so);
renew_client(oo->oo_owner.so_client);
return oo;
}
}
return NULL;
}
@ -2536,7 +2539,6 @@ renew:
open->op_openowner = oo;
}
list_del_init(&oo->oo_close_lru);
renew_client(oo->oo_owner.so_client);
return nfs_ok;
}
@ -2970,7 +2972,6 @@ nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
dprintk("nfsd4_renew: clientid not found!\n");
goto out;
}
renew_client(clp);
status = nfserr_cb_path_down;
if (!list_empty(&clp->cl_delegations)
&& clp->cl_cb_state != NFSD4_CB_UP)
@ -3275,7 +3276,6 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
status = nfs4_check_delegmode(dp, flags);
if (status)
goto out;
renew_client(dp->dl_stid.sc_client);
if (filpp) {
*filpp = dp->dl_file->fi_deleg_file;
BUG_ON(!*filpp);
@ -3293,7 +3293,6 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
status = nfs4_check_openmode(stp, flags);
if (status)
goto out;
renew_client(stp->st_stateowner->so_client);
if (filpp) {
if (flags & RD_STATE)
*filpp = find_readable_file(stp->st_file);
@ -3412,7 +3411,6 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
return status;
*stpp = openlockstateid(s);
cstate->replay_owner = (*stpp)->st_stateowner;
renew_client((*stpp)->st_stateowner->so_client);
return nfs4_seqid_op_checks(cstate, stateid, seqid, *stpp);
}
@ -3643,7 +3641,6 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
status = check_stateid_generation(stateid, &dp->dl_stid.sc_stateid, nfsd4_has_session(cstate));
if (status)
goto out;
renew_client(dp->dl_stid.sc_client);
unhash_delegation(dp);
out: