diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c index 5e8096bc5eaa..857b822450b4 100644 --- a/fs/nfsd/nfs4layouts.c +++ b/fs/nfsd/nfs4layouts.c @@ -236,7 +236,7 @@ nfsd4_alloc_layout_stateid(struct nfsd4_compound_state *cstate, nfsd4_init_cb(&ls->ls_recall, clp, &nfsd4_cb_layout_ops, NFSPROC4_CLNT_CB_LAYOUT); - if (parent->sc_type == NFS4_DELEG_STID) + if (parent->sc_type == SC_TYPE_DELEG) ls->ls_file = nfsd_file_get(fp->fi_deleg_file); else ls->ls_file = find_any_file(fp); @@ -250,7 +250,7 @@ nfsd4_alloc_layout_stateid(struct nfsd4_compound_state *cstate, } spin_lock(&clp->cl_lock); - stp->sc_type = NFS4_LAYOUT_STID; + stp->sc_type = SC_TYPE_LAYOUT; list_add(&ls->ls_perclnt, &clp->cl_lo_states); spin_unlock(&clp->cl_lock); @@ -269,13 +269,13 @@ nfsd4_preprocess_layout_stateid(struct svc_rqst *rqstp, { struct nfs4_layout_stateid *ls; struct nfs4_stid *stid; - unsigned char typemask = NFS4_LAYOUT_STID; + unsigned short typemask = SC_TYPE_LAYOUT; __be32 status; if (create) - typemask |= (NFS4_OPEN_STID | NFS4_LOCK_STID | NFS4_DELEG_STID); + typemask |= (SC_TYPE_OPEN | SC_TYPE_LOCK | SC_TYPE_DELEG); - status = nfsd4_lookup_stateid(cstate, stateid, typemask, &stid, + status = nfsd4_lookup_stateid(cstate, stateid, typemask, 0, &stid, net_generic(SVC_NET(rqstp), nfsd_net_id)); if (status) goto out; @@ -286,7 +286,7 @@ nfsd4_preprocess_layout_stateid(struct svc_rqst *rqstp, goto out_put_stid; } - if (stid->sc_type != NFS4_LAYOUT_STID) { + if (stid->sc_type != SC_TYPE_LAYOUT) { ls = nfsd4_alloc_layout_stateid(cstate, stid, layout_type); nfs4_put_stid(stid); @@ -518,7 +518,7 @@ nfsd4_return_file_layouts(struct svc_rqst *rqstp, lrp->lrs_present = true; } else { trace_nfsd_layoutstate_unhash(&ls->ls_stid.sc_stateid); - nfs4_unhash_stid(&ls->ls_stid); + ls->ls_stid.sc_status |= SC_STATUS_CLOSED; lrp->lrs_present = false; } spin_unlock(&ls->ls_lock); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 91dadd6078eb..86b28dbf1bf2 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1260,11 +1260,6 @@ static void destroy_unhashed_deleg(struct nfs4_delegation *dp) nfs4_put_stid(&dp->dl_stid); } -void nfs4_unhash_stid(struct nfs4_stid *s) -{ - s->sc_type = 0; -} - /** * nfs4_delegation_exists - Discover if this delegation already exists * @clp: a pointer to the nfs4_client we're granting a delegation to @@ -1317,7 +1312,7 @@ hash_delegation_locked(struct nfs4_delegation *dp, struct nfs4_file *fp) if (nfs4_delegation_exists(clp, fp)) return -EAGAIN; refcount_inc(&dp->dl_stid.sc_count); - dp->dl_stid.sc_type = NFS4_DELEG_STID; + dp->dl_stid.sc_type = SC_TYPE_DELEG; list_add(&dp->dl_perfile, &fp->fi_delegations); list_add(&dp->dl_perclnt, &clp->cl_delegations); return 0; @@ -1329,7 +1324,7 @@ static bool delegation_hashed(struct nfs4_delegation *dp) } static bool -unhash_delegation_locked(struct nfs4_delegation *dp, unsigned char type) +unhash_delegation_locked(struct nfs4_delegation *dp, unsigned short statusmask) { struct nfs4_file *fp = dp->dl_stid.sc_file; @@ -1339,8 +1334,9 @@ unhash_delegation_locked(struct nfs4_delegation *dp, unsigned char type) return false; if (dp->dl_stid.sc_client->cl_minorversion == 0) - type = NFS4_CLOSED_DELEG_STID; - dp->dl_stid.sc_type = type; + statusmask = SC_STATUS_CLOSED; + dp->dl_stid.sc_status |= statusmask; + /* Ensure that deleg break won't try to requeue it */ ++dp->dl_time; spin_lock(&fp->fi_lock); @@ -1356,7 +1352,7 @@ static void destroy_delegation(struct nfs4_delegation *dp) bool unhashed; spin_lock(&state_lock); - unhashed = unhash_delegation_locked(dp, NFS4_CLOSED_DELEG_STID); + unhashed = unhash_delegation_locked(dp, SC_STATUS_CLOSED); spin_unlock(&state_lock); if (unhashed) destroy_unhashed_deleg(dp); @@ -1370,7 +1366,7 @@ static void revoke_delegation(struct nfs4_delegation *dp) trace_nfsd_stid_revoke(&dp->dl_stid); - if (dp->dl_stid.sc_type == NFS4_REVOKED_DELEG_STID) { + if (dp->dl_stid.sc_status & SC_STATUS_REVOKED) { spin_lock(&clp->cl_lock); refcount_inc(&dp->dl_stid.sc_count); list_add(&dp->dl_recall_lru, &clp->cl_revoked); @@ -1379,8 +1375,8 @@ static void revoke_delegation(struct nfs4_delegation *dp) destroy_unhashed_deleg(dp); } -/* - * SETCLIENTID state +/* + * SETCLIENTID state */ static unsigned int clientid_hashval(u32 id) @@ -1543,7 +1539,7 @@ static bool unhash_lock_stateid(struct nfs4_ol_stateid *stp) if (!unhash_ol_stateid(stp)) return false; list_del_init(&stp->st_locks); - nfs4_unhash_stid(&stp->st_stid); + stp->st_stid.sc_status |= SC_STATUS_CLOSED; return true; } @@ -1622,6 +1618,7 @@ static void release_open_stateid(struct nfs4_ol_stateid *stp) LIST_HEAD(reaplist); spin_lock(&stp->st_stid.sc_client->cl_lock); + stp->st_stid.sc_status |= SC_STATUS_CLOSED; if (unhash_open_stateid(stp, &reaplist)) put_ol_stateid_locked(stp, &reaplist); spin_unlock(&stp->st_stid.sc_client->cl_lock); @@ -2230,7 +2227,7 @@ __destroy_client(struct nfs4_client *clp) spin_lock(&state_lock); while (!list_empty(&clp->cl_delegations)) { dp = list_entry(clp->cl_delegations.next, struct nfs4_delegation, dl_perclnt); - unhash_delegation_locked(dp, NFS4_CLOSED_DELEG_STID); + unhash_delegation_locked(dp, SC_STATUS_CLOSED); list_add(&dp->dl_recall_lru, &reaplist); } spin_unlock(&state_lock); @@ -2462,14 +2459,16 @@ find_stateid_locked(struct nfs4_client *cl, stateid_t *t) } static struct nfs4_stid * -find_stateid_by_type(struct nfs4_client *cl, stateid_t *t, char typemask) +find_stateid_by_type(struct nfs4_client *cl, stateid_t *t, + unsigned short typemask, unsigned short ok_states) { struct nfs4_stid *s; spin_lock(&cl->cl_lock); s = find_stateid_locked(cl, t); if (s != NULL) { - if (typemask & s->sc_type) + if ((s->sc_status & ~ok_states) == 0 && + (typemask & s->sc_type)) refcount_inc(&s->sc_count); else s = NULL; @@ -2622,7 +2621,7 @@ static int nfs4_show_open(struct seq_file *s, struct nfs4_stid *st) struct nfs4_stateowner *oo; unsigned int access, deny; - if (st->sc_type != NFS4_OPEN_STID && st->sc_type != NFS4_LOCK_STID) + if (st->sc_type != SC_TYPE_OPEN && st->sc_type != SC_TYPE_LOCK) return 0; /* XXX: or SEQ_SKIP? */ ols = openlockstateid(st); oo = ols->st_stateowner; @@ -2754,13 +2753,13 @@ static int states_show(struct seq_file *s, void *v) struct nfs4_stid *st = v; switch (st->sc_type) { - case NFS4_OPEN_STID: + case SC_TYPE_OPEN: return nfs4_show_open(s, st); - case NFS4_LOCK_STID: + case SC_TYPE_LOCK: return nfs4_show_lock(s, st); - case NFS4_DELEG_STID: + case SC_TYPE_DELEG: return nfs4_show_deleg(s, st); - case NFS4_LAYOUT_STID: + case SC_TYPE_LAYOUT: return nfs4_show_layout(s, st); default: return 0; /* XXX: or SEQ_SKIP? */ @@ -4533,7 +4532,8 @@ nfsd4_find_existing_open(struct nfs4_file *fp, struct nfsd4_open *open) continue; if (local->st_stateowner != &oo->oo_owner) continue; - if (local->st_stid.sc_type == NFS4_OPEN_STID) { + if (local->st_stid.sc_type == SC_TYPE_OPEN && + !local->st_stid.sc_status) { ret = local; refcount_inc(&ret->st_stid.sc_count); break; @@ -4547,17 +4547,10 @@ nfsd4_verify_open_stid(struct nfs4_stid *s) { __be32 ret = nfs_ok; - switch (s->sc_type) { - default: - break; - case 0: - case NFS4_CLOSED_STID: - case NFS4_CLOSED_DELEG_STID: - ret = nfserr_bad_stateid; - break; - case NFS4_REVOKED_DELEG_STID: + if (s->sc_status & SC_STATUS_REVOKED) ret = nfserr_deleg_revoked; - } + else if (s->sc_status & SC_STATUS_CLOSED) + ret = nfserr_bad_stateid; return ret; } @@ -4643,7 +4636,7 @@ retry: open->op_stp = NULL; refcount_inc(&stp->st_stid.sc_count); - stp->st_stid.sc_type = NFS4_OPEN_STID; + stp->st_stid.sc_type = SC_TYPE_OPEN; INIT_LIST_HEAD(&stp->st_locks); stp->st_stateowner = nfs4_get_stateowner(&oo->oo_owner); get_nfs4_file(fp); @@ -4870,9 +4863,9 @@ static int nfsd4_cb_recall_done(struct nfsd4_callback *cb, trace_nfsd_cb_recall_done(&dp->dl_stid.sc_stateid, task); - if (dp->dl_stid.sc_type == NFS4_CLOSED_DELEG_STID || - dp->dl_stid.sc_type == NFS4_REVOKED_DELEG_STID) - return 1; + if (dp->dl_stid.sc_status) + /* CLOSED or REVOKED */ + return 1; switch (task->tk_status) { case 0: @@ -5115,12 +5108,12 @@ static int share_access_to_flags(u32 share_access) return share_access == NFS4_SHARE_ACCESS_READ ? RD_STATE : WR_STATE; } -static struct nfs4_delegation *find_deleg_stateid(struct nfs4_client *cl, stateid_t *s) +static struct nfs4_delegation *find_deleg_stateid(struct nfs4_client *cl, + stateid_t *s) { struct nfs4_stid *ret; - ret = find_stateid_by_type(cl, s, - NFS4_DELEG_STID|NFS4_REVOKED_DELEG_STID); + ret = find_stateid_by_type(cl, s, SC_TYPE_DELEG, SC_STATUS_REVOKED); if (!ret) return NULL; return delegstateid(ret); @@ -5143,7 +5136,7 @@ nfs4_check_deleg(struct nfs4_client *cl, struct nfsd4_open *open, deleg = find_deleg_stateid(cl, &open->op_delegate_stateid); if (deleg == NULL) goto out; - if (deleg->dl_stid.sc_type == NFS4_REVOKED_DELEG_STID) { + if (deleg->dl_stid.sc_status & SC_STATUS_REVOKED) { nfs4_put_stid(&deleg->dl_stid); status = nfserr_deleg_revoked; goto out; @@ -5777,7 +5770,6 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf } else { status = nfs4_get_vfs_file(rqstp, fp, current_fh, stp, open, true); if (status) { - stp->st_stid.sc_type = NFS4_CLOSED_STID; release_open_stateid(stp); mutex_unlock(&stp->st_mutex); goto out; @@ -6169,7 +6161,7 @@ nfs4_laundromat(struct nfsd_net *nn) dp = list_entry (pos, struct nfs4_delegation, dl_recall_lru); if (!state_expired(<, dp->dl_time)) break; - unhash_delegation_locked(dp, NFS4_REVOKED_DELEG_STID); + unhash_delegation_locked(dp, SC_STATUS_REVOKED); list_add(&dp->dl_recall_lru, &reaplist); } spin_unlock(&state_lock); @@ -6408,22 +6400,20 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid) status = nfsd4_stid_check_stateid_generation(stateid, s, 1); if (status) goto out_unlock; + status = nfsd4_verify_open_stid(s); + if (status) + goto out_unlock; + switch (s->sc_type) { - case NFS4_DELEG_STID: + case SC_TYPE_DELEG: status = nfs_ok; break; - case NFS4_REVOKED_DELEG_STID: - status = nfserr_deleg_revoked; - break; - case NFS4_OPEN_STID: - case NFS4_LOCK_STID: + case SC_TYPE_OPEN: + case SC_TYPE_LOCK: status = nfsd4_check_openowner_confirmed(openlockstateid(s)); break; default: printk("unknown stateid type %x\n", s->sc_type); - fallthrough; - case NFS4_CLOSED_STID: - case NFS4_CLOSED_DELEG_STID: status = nfserr_bad_stateid; } out_unlock: @@ -6433,7 +6423,8 @@ out_unlock: __be32 nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate, - stateid_t *stateid, unsigned char typemask, + stateid_t *stateid, + unsigned short typemask, unsigned short statusmask, struct nfs4_stid **s, struct nfsd_net *nn) { __be32 status; @@ -6444,10 +6435,13 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate, * only return revoked delegations if explicitly asked. * otherwise we report revoked or bad_stateid status. */ - if (typemask & NFS4_REVOKED_DELEG_STID) + if (statusmask & SC_STATUS_REVOKED) return_revoked = true; - else if (typemask & NFS4_DELEG_STID) - typemask |= NFS4_REVOKED_DELEG_STID; + if (typemask & SC_TYPE_DELEG) + /* Always allow REVOKED for DELEG so we can + * retturn the appropriate error. + */ + statusmask |= SC_STATUS_REVOKED; if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) || CLOSE_STATEID(stateid)) @@ -6460,14 +6454,12 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate, } if (status) return status; - stid = find_stateid_by_type(cstate->clp, stateid, typemask); + stid = find_stateid_by_type(cstate->clp, stateid, typemask, statusmask); if (!stid) return nfserr_bad_stateid; - if ((stid->sc_type == NFS4_REVOKED_DELEG_STID) && !return_revoked) { + if ((stid->sc_status & SC_STATUS_REVOKED) && !return_revoked) { nfs4_put_stid(stid); - if (cstate->minorversion) - return nfserr_deleg_revoked; - return nfserr_bad_stateid; + return nfserr_deleg_revoked; } *s = stid; return nfs_ok; @@ -6478,17 +6470,17 @@ nfs4_find_file(struct nfs4_stid *s, int flags) { struct nfsd_file *ret = NULL; - if (!s) + if (!s || s->sc_status) return NULL; switch (s->sc_type) { - case NFS4_DELEG_STID: + case SC_TYPE_DELEG: spin_lock(&s->sc_file->fi_lock); ret = nfsd_file_get(s->sc_file->fi_deleg_file); spin_unlock(&s->sc_file->fi_lock); break; - case NFS4_OPEN_STID: - case NFS4_LOCK_STID: + case SC_TYPE_OPEN: + case SC_TYPE_LOCK: if (flags & RD_STATE) ret = find_readable_file(s->sc_file); else @@ -6601,7 +6593,8 @@ static __be32 find_cpntf_state(struct nfsd_net *nn, stateid_t *st, goto out; *stid = find_stateid_by_type(found, &cps->cp_p_stateid, - NFS4_DELEG_STID|NFS4_OPEN_STID|NFS4_LOCK_STID); + SC_TYPE_DELEG|SC_TYPE_OPEN|SC_TYPE_LOCK, + 0); if (*stid) status = nfs_ok; else @@ -6658,8 +6651,8 @@ nfs4_preprocess_stateid_op(struct svc_rqst *rqstp, } status = nfsd4_lookup_stateid(cstate, stateid, - NFS4_DELEG_STID|NFS4_OPEN_STID|NFS4_LOCK_STID, - &s, nn); + SC_TYPE_DELEG|SC_TYPE_OPEN|SC_TYPE_LOCK, + 0, &s, nn); if (status == nfserr_bad_stateid) status = find_cpntf_state(nn, stateid, &s); if (status) @@ -6670,16 +6663,13 @@ nfs4_preprocess_stateid_op(struct svc_rqst *rqstp, goto out; switch (s->sc_type) { - case NFS4_DELEG_STID: + case SC_TYPE_DELEG: status = nfs4_check_delegmode(delegstateid(s), flags); break; - case NFS4_OPEN_STID: - case NFS4_LOCK_STID: + case SC_TYPE_OPEN: + case SC_TYPE_LOCK: status = nfs4_check_olstateid(openlockstateid(s), flags); break; - default: - status = nfserr_bad_stateid; - break; } if (status) goto out; @@ -6758,33 +6748,34 @@ nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, spin_lock(&cl->cl_lock); s = find_stateid_locked(cl, stateid); - if (!s) + if (!s || s->sc_status & SC_STATUS_CLOSED) goto out_unlock; spin_lock(&s->sc_lock); switch (s->sc_type) { - case NFS4_DELEG_STID: + case SC_TYPE_DELEG: + if (s->sc_status & SC_STATUS_REVOKED) { + spin_unlock(&s->sc_lock); + dp = delegstateid(s); + list_del_init(&dp->dl_recall_lru); + spin_unlock(&cl->cl_lock); + nfs4_put_stid(s); + ret = nfs_ok; + goto out; + } ret = nfserr_locks_held; break; - case NFS4_OPEN_STID: + case SC_TYPE_OPEN: ret = check_stateid_generation(stateid, &s->sc_stateid, 1); if (ret) break; ret = nfserr_locks_held; break; - case NFS4_LOCK_STID: + case SC_TYPE_LOCK: spin_unlock(&s->sc_lock); refcount_inc(&s->sc_count); spin_unlock(&cl->cl_lock); ret = nfsd4_free_lock_stateid(stateid, s); goto out; - case NFS4_REVOKED_DELEG_STID: - spin_unlock(&s->sc_lock); - dp = delegstateid(s); - list_del_init(&dp->dl_recall_lru); - spin_unlock(&cl->cl_lock); - nfs4_put_stid(s); - ret = nfs_ok; - goto out; /* Default falls through and returns nfserr_bad_stateid */ } spin_unlock(&s->sc_lock); @@ -6827,6 +6818,7 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_ * @seqid: seqid (provided by client) * @stateid: stateid (provided by client) * @typemask: mask of allowable types for this operation + * @statusmask: mask of allowed states: 0 or STID_CLOSED * @stpp: return pointer for the stateid found * @nn: net namespace for request * @@ -6836,7 +6828,8 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_ */ static __be32 nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, - stateid_t *stateid, char typemask, + stateid_t *stateid, + unsigned short typemask, unsigned short statusmask, struct nfs4_ol_stateid **stpp, struct nfsd_net *nn) { @@ -6847,7 +6840,8 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, trace_nfsd_preprocess(seqid, stateid); *stpp = NULL; - status = nfsd4_lookup_stateid(cstate, stateid, typemask, &s, nn); + status = nfsd4_lookup_stateid(cstate, stateid, + typemask, statusmask, &s, nn); if (status) return status; stp = openlockstateid(s); @@ -6869,7 +6863,7 @@ static __be32 nfs4_preprocess_confirmed_seqid_op(struct nfsd4_compound_state *cs struct nfs4_ol_stateid *stp; status = nfs4_preprocess_seqid_op(cstate, seqid, stateid, - NFS4_OPEN_STID, &stp, nn); + SC_TYPE_OPEN, 0, &stp, nn); if (status) return status; oo = openowner(stp->st_stateowner); @@ -6900,8 +6894,8 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, return status; status = nfs4_preprocess_seqid_op(cstate, - oc->oc_seqid, &oc->oc_req_stateid, - NFS4_OPEN_STID, &stp, nn); + oc->oc_seqid, &oc->oc_req_stateid, + SC_TYPE_OPEN, 0, &stp, nn); if (status) goto out; oo = openowner(stp->st_stateowner); @@ -7031,18 +7025,20 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct net *net = SVC_NET(rqstp); struct nfsd_net *nn = net_generic(net, nfsd_net_id); - dprintk("NFSD: nfsd4_close on file %pd\n", + dprintk("NFSD: nfsd4_close on file %pd\n", cstate->current_fh.fh_dentry); status = nfs4_preprocess_seqid_op(cstate, close->cl_seqid, - &close->cl_stateid, - NFS4_OPEN_STID|NFS4_CLOSED_STID, - &stp, nn); + &close->cl_stateid, + SC_TYPE_OPEN, SC_STATUS_CLOSED, + &stp, nn); nfsd4_bump_seqid(cstate, status); if (status) - goto out; + goto out; - stp->st_stid.sc_type = NFS4_CLOSED_STID; + spin_lock(&stp->st_stid.sc_client->cl_lock); + stp->st_stid.sc_status |= SC_STATUS_CLOSED; + spin_unlock(&stp->st_stid.sc_client->cl_lock); /* * Technically we don't _really_ have to increment or copy it, since @@ -7084,7 +7080,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0))) return status; - status = nfsd4_lookup_stateid(cstate, stateid, NFS4_DELEG_STID, &s, nn); + status = nfsd4_lookup_stateid(cstate, stateid, SC_TYPE_DELEG, 0, &s, nn); if (status) goto out; dp = delegstateid(s); @@ -7351,7 +7347,7 @@ retry: if (retstp) goto out_found; refcount_inc(&stp->st_stid.sc_count); - stp->st_stid.sc_type = NFS4_LOCK_STID; + stp->st_stid.sc_type = SC_TYPE_LOCK; stp->st_stateowner = nfs4_get_stateowner(&lo->lo_owner); get_nfs4_file(fp); stp->st_stid.sc_file = fp; @@ -7538,9 +7534,10 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, &lock_stp, &new); } else { status = nfs4_preprocess_seqid_op(cstate, - lock->lk_old_lock_seqid, - &lock->lk_old_lock_stateid, - NFS4_LOCK_STID, &lock_stp, nn); + lock->lk_old_lock_seqid, + &lock->lk_old_lock_stateid, + SC_TYPE_LOCK, 0, &lock_stp, + nn); } if (status) goto out; @@ -7853,8 +7850,8 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, return nfserr_inval; status = nfs4_preprocess_seqid_op(cstate, locku->lu_seqid, - &locku->lu_stateid, NFS4_LOCK_STID, - &stp, nn); + &locku->lu_stateid, SC_TYPE_LOCK, 0, + &stp, nn); if (status) goto out; nf = find_any_file(stp->st_stid.sc_file); @@ -8292,7 +8289,7 @@ nfs4_state_shutdown_net(struct net *net) spin_lock(&state_lock); list_for_each_safe(pos, next, &nn->del_recall_lru) { dp = list_entry (pos, struct nfs4_delegation, dl_recall_lru); - unhash_delegation_locked(dp, NFS4_CLOSED_DELEG_STID); + unhash_delegation_locked(dp, SC_STATUS_CLOSED); list_add(&dp->dl_recall_lru, &reaplist); } spin_unlock(&state_lock); diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 87c4372ba36a..1d4bf1a7d229 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -88,17 +88,33 @@ struct nfsd4_callback_ops { */ struct nfs4_stid { refcount_t sc_count; -#define NFS4_OPEN_STID 1 -#define NFS4_LOCK_STID 2 -#define NFS4_DELEG_STID 4 -/* For an open stateid kept around *only* to process close replays: */ -#define NFS4_CLOSED_STID 8 + + /* A new stateid is added to the cl_stateids idr early before it + * is fully initialised. Its sc_type is then zero. After + * initialisation the sc_type it set under cl_lock, and then + * never changes. + */ +#define SC_TYPE_OPEN BIT(0) +#define SC_TYPE_LOCK BIT(1) +#define SC_TYPE_DELEG BIT(2) +#define SC_TYPE_LAYOUT BIT(3) + unsigned short sc_type; + +/* state_lock protects sc_status for delegation stateids. + * ->cl_lock protects sc_status for open and lock stateids. + * ->st_mutex also protect sc_status for open stateids. + * ->ls_lock protects sc_status for layout stateids. + */ +/* + * For an open stateid kept around *only* to process close replays. + * For deleg stateid, kept in idr until last reference is dropped. + */ +#define SC_STATUS_CLOSED BIT(0) /* For a deleg stateid kept around only to process free_stateid's: */ -#define NFS4_REVOKED_DELEG_STID 16 -#define NFS4_CLOSED_DELEG_STID 32 -#define NFS4_LAYOUT_STID 64 +#define SC_STATUS_REVOKED BIT(1) + unsigned short sc_status; + struct list_head sc_cp_list; - unsigned char sc_type; stateid_t sc_stateid; spinlock_t sc_lock; struct nfs4_client *sc_client; @@ -672,15 +688,15 @@ extern __be32 nfs4_preprocess_stateid_op(struct svc_rqst *rqstp, stateid_t *stateid, int flags, struct nfsd_file **filp, struct nfs4_stid **cstid); __be32 nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate, - stateid_t *stateid, unsigned char typemask, - struct nfs4_stid **s, struct nfsd_net *nn); + stateid_t *stateid, unsigned short typemask, + unsigned short statusmask, + struct nfs4_stid **s, struct nfsd_net *nn); struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct kmem_cache *slab, void (*sc_free)(struct nfs4_stid *)); int nfs4_init_copy_state(struct nfsd_net *nn, struct nfsd4_copy *copy); void nfs4_free_copy_state(struct nfsd4_copy *copy); struct nfs4_cpntf_state *nfs4_alloc_init_cpntf_state(struct nfsd_net *nn, struct nfs4_stid *p_stid); -void nfs4_unhash_stid(struct nfs4_stid *s); void nfs4_put_stid(struct nfs4_stid *s); void nfs4_inc_and_copy_stateid(stateid_t *dst, struct nfs4_stid *stid); void nfs4_remove_reclaim_record(struct nfs4_client_reclaim *, struct nfsd_net *); diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h index 9f9e58debc26..f87dad1fa1d6 100644 --- a/fs/nfsd/trace.h +++ b/fs/nfsd/trace.h @@ -643,23 +643,17 @@ DEFINE_EVENT(nfsd_stateseqid_class, nfsd_##name, \ DEFINE_STATESEQID_EVENT(preprocess); DEFINE_STATESEQID_EVENT(open_confirm); -TRACE_DEFINE_ENUM(NFS4_OPEN_STID); -TRACE_DEFINE_ENUM(NFS4_LOCK_STID); -TRACE_DEFINE_ENUM(NFS4_DELEG_STID); -TRACE_DEFINE_ENUM(NFS4_CLOSED_STID); -TRACE_DEFINE_ENUM(NFS4_REVOKED_DELEG_STID); -TRACE_DEFINE_ENUM(NFS4_CLOSED_DELEG_STID); -TRACE_DEFINE_ENUM(NFS4_LAYOUT_STID); - #define show_stid_type(x) \ __print_flags(x, "|", \ - { NFS4_OPEN_STID, "OPEN" }, \ - { NFS4_LOCK_STID, "LOCK" }, \ - { NFS4_DELEG_STID, "DELEG" }, \ - { NFS4_CLOSED_STID, "CLOSED" }, \ - { NFS4_REVOKED_DELEG_STID, "REVOKED" }, \ - { NFS4_CLOSED_DELEG_STID, "CLOSED_DELEG" }, \ - { NFS4_LAYOUT_STID, "LAYOUT" }) + { SC_TYPE_OPEN, "OPEN" }, \ + { SC_TYPE_LOCK, "LOCK" }, \ + { SC_TYPE_DELEG, "DELEG" }, \ + { SC_TYPE_LAYOUT, "LAYOUT" }) + +#define show_stid_status(x) \ + __print_flags(x, "|", \ + { SC_STATUS_CLOSED, "CLOSED" }, \ + { SC_STATUS_REVOKED, "REVOKED" }) \ DECLARE_EVENT_CLASS(nfsd_stid_class, TP_PROTO( @@ -668,6 +662,7 @@ DECLARE_EVENT_CLASS(nfsd_stid_class, TP_ARGS(stid), TP_STRUCT__entry( __field(unsigned long, sc_type) + __field(unsigned long, sc_status) __field(int, sc_count) __field(u32, cl_boot) __field(u32, cl_id) @@ -678,16 +673,18 @@ DECLARE_EVENT_CLASS(nfsd_stid_class, const stateid_t *stp = &stid->sc_stateid; __entry->sc_type = stid->sc_type; + __entry->sc_status = stid->sc_status; __entry->sc_count = refcount_read(&stid->sc_count); __entry->cl_boot = stp->si_opaque.so_clid.cl_boot; __entry->cl_id = stp->si_opaque.so_clid.cl_id; __entry->si_id = stp->si_opaque.so_id; __entry->si_generation = stp->si_generation; ), - TP_printk("client %08x:%08x stateid %08x:%08x ref=%d type=%s", + TP_printk("client %08x:%08x stateid %08x:%08x ref=%d type=%s state=%s", __entry->cl_boot, __entry->cl_id, __entry->si_id, __entry->si_generation, - __entry->sc_count, show_stid_type(__entry->sc_type) + __entry->sc_count, show_stid_type(__entry->sc_type), + show_stid_status(__entry->sc_status) ) );