nfsd: use service net instead of hard-coded init_net
This patch replaces init_net by SVC_NET(), where possible and also passes proper context to nested functions where required. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Stanislav Kinsbursky
J. Bruce Fields
Родитель
73758fed71
Коммит
3320fef19b
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@ -40,6 +40,7 @@
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#include "xdr4.h"
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#include "vfs.h"
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#include "current_stateid.h"
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#include "netns.h"
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#define NFSDDBG_FACILITY NFSDDBG_PROC
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@ -304,6 +305,8 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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{
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__be32 status;
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struct nfsd4_compoundres *resp;
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struct net *net = SVC_NET(rqstp);
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struct nfsd_net *nn = net_generic(net, nfsd_net_id);
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dprintk("NFSD: nfsd4_open filename %.*s op_openowner %p\n",
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(int)open->op_fname.len, open->op_fname.data,
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@ -331,7 +334,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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/* check seqid for replay. set nfs4_owner */
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resp = rqstp->rq_resp;
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status = nfsd4_process_open1(&resp->cstate, open);
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status = nfsd4_process_open1(&resp->cstate, open, nn);
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if (status == nfserr_replay_me) {
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struct nfs4_replay *rp = &open->op_openowner->oo_owner.so_replay;
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fh_put(&cstate->current_fh);
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@ -354,10 +357,10 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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/* Openowner is now set, so sequence id will get bumped. Now we need
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* these checks before we do any creates: */
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status = nfserr_grace;
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if (locks_in_grace(SVC_NET(rqstp)) && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS)
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if (locks_in_grace(net) && open->op_claim_type != NFS4_OPEN_CLAIM_PREVIOUS)
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goto out;
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status = nfserr_no_grace;
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if (!locks_in_grace(SVC_NET(rqstp)) && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS)
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if (!locks_in_grace(net) && open->op_claim_type == NFS4_OPEN_CLAIM_PREVIOUS)
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goto out;
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switch (open->op_claim_type) {
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@ -370,7 +373,9 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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break;
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case NFS4_OPEN_CLAIM_PREVIOUS:
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open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;
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status = nfs4_check_open_reclaim(&open->op_clientid, cstate->minorversion);
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status = nfs4_check_open_reclaim(&open->op_clientid,
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cstate->minorversion,
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nn);
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if (status)
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goto out;
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case NFS4_OPEN_CLAIM_FH:
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@ -2620,14 +2620,13 @@ static __be32 nfsd4_check_seqid(struct nfsd4_compound_state *cstate, struct nfs4
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__be32
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nfsd4_process_open1(struct nfsd4_compound_state *cstate,
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struct nfsd4_open *open)
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struct nfsd4_open *open, struct nfsd_net *nn)
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{
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clientid_t *clientid = &open->op_clientid;
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struct nfs4_client *clp = NULL;
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unsigned int strhashval;
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struct nfs4_openowner *oo = NULL;
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__be32 status;
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struct nfsd_net *nn = net_generic(&init_net, nfsd_net_id);
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if (STALE_CLIENTID(&open->op_clientid, nn))
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return nfserr_stale_clientid;
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@ -3408,10 +3407,11 @@ static __be32 nfsd4_validate_stateid(struct nfs4_client *cl, stateid_t *stateid)
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return nfs_ok;
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}
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static __be32 nfsd4_lookup_stateid(stateid_t *stateid, unsigned char typemask, struct nfs4_stid **s, bool sessions)
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static __be32 nfsd4_lookup_stateid(stateid_t *stateid, unsigned char typemask,
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struct nfs4_stid **s, bool sessions,
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struct nfsd_net *nn)
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{
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struct nfs4_client *cl;
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struct nfsd_net *nn = net_generic(&init_net, nfsd_net_id);
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if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
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return nfserr_bad_stateid;
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@ -3439,6 +3439,7 @@ nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate,
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struct nfs4_delegation *dp = NULL;
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struct svc_fh *current_fh = &cstate->current_fh;
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struct inode *ino = current_fh->fh_dentry->d_inode;
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struct nfsd_net *nn = net_generic(net, nfsd_net_id);
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__be32 status;
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if (filpp)
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@ -3450,7 +3451,8 @@ nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate,
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if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
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return check_special_stateids(net, current_fh, stateid, flags);
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status = nfsd4_lookup_stateid(stateid, NFS4_DELEG_STID|NFS4_OPEN_STID|NFS4_LOCK_STID, &s, cstate->minorversion);
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status = nfsd4_lookup_stateid(stateid, NFS4_DELEG_STID|NFS4_OPEN_STID|NFS4_LOCK_STID,
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&s, cstate->minorversion, nn);
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if (status)
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return status;
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status = check_stateid_generation(stateid, &s->sc_stateid, nfsd4_has_session(cstate));
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@ -3591,7 +3593,8 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_
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static __be32
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nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
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stateid_t *stateid, char typemask,
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struct nfs4_ol_stateid **stpp)
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struct nfs4_ol_stateid **stpp,
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struct nfsd_net *nn)
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{
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__be32 status;
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struct nfs4_stid *s;
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@ -3600,7 +3603,8 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
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seqid, STATEID_VAL(stateid));
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*stpp = NULL;
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status = nfsd4_lookup_stateid(stateid, typemask, &s, cstate->minorversion);
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status = nfsd4_lookup_stateid(stateid, typemask, &s,
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cstate->minorversion, nn);
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if (status)
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return status;
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*stpp = openlockstateid(s);
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@ -3609,13 +3613,14 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
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return nfs4_seqid_op_checks(cstate, stateid, seqid, *stpp);
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}
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static __be32 nfs4_preprocess_confirmed_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid, stateid_t *stateid, struct nfs4_ol_stateid **stpp)
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static __be32 nfs4_preprocess_confirmed_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
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stateid_t *stateid, struct nfs4_ol_stateid **stpp, struct nfsd_net *nn)
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{
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__be32 status;
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struct nfs4_openowner *oo;
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status = nfs4_preprocess_seqid_op(cstate, seqid, stateid,
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NFS4_OPEN_STID, stpp);
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NFS4_OPEN_STID, stpp, nn);
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if (status)
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return status;
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oo = openowner((*stpp)->st_stateowner);
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@ -3631,6 +3636,7 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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__be32 status;
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struct nfs4_openowner *oo;
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struct nfs4_ol_stateid *stp;
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struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
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dprintk("NFSD: nfsd4_open_confirm on file %.*s\n",
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(int)cstate->current_fh.fh_dentry->d_name.len,
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@ -3644,7 +3650,7 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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status = nfs4_preprocess_seqid_op(cstate,
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oc->oc_seqid, &oc->oc_req_stateid,
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NFS4_OPEN_STID, &stp);
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NFS4_OPEN_STID, &stp, nn);
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if (status)
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goto out;
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oo = openowner(stp->st_stateowner);
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@ -3708,6 +3714,7 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp,
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{
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__be32 status;
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struct nfs4_ol_stateid *stp;
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struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
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dprintk("NFSD: nfsd4_open_downgrade on file %.*s\n",
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(int)cstate->current_fh.fh_dentry->d_name.len,
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@ -3720,7 +3727,7 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp,
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nfs4_lock_state();
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status = nfs4_preprocess_confirmed_seqid_op(cstate, od->od_seqid,
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&od->od_stateid, &stp);
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&od->od_stateid, &stp, nn);
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if (status)
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goto out;
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status = nfserr_inval;
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@ -3783,6 +3790,8 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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__be32 status;
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struct nfs4_openowner *oo;
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struct nfs4_ol_stateid *stp;
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struct net *net = SVC_NET(rqstp);
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struct nfsd_net *nn = net_generic(net, nfsd_net_id);
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dprintk("NFSD: nfsd4_close on file %.*s\n",
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(int)cstate->current_fh.fh_dentry->d_name.len,
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@ -3792,7 +3801,7 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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status = nfs4_preprocess_seqid_op(cstate, close->cl_seqid,
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&close->cl_stateid,
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NFS4_OPEN_STID|NFS4_CLOSED_STID,
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&stp);
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&stp, nn);
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if (status)
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goto out;
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oo = openowner(stp->st_stateowner);
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@ -3831,12 +3840,14 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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stateid_t *stateid = &dr->dr_stateid;
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struct nfs4_stid *s;
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__be32 status;
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struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
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if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0)))
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return status;
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nfs4_lock_state();
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status = nfsd4_lookup_stateid(stateid, NFS4_DELEG_STID, &s, cstate->minorversion);
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status = nfsd4_lookup_stateid(stateid, NFS4_DELEG_STID, &s,
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cstate->minorversion, nn);
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if (status)
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goto out;
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dp = delegstateid(s);
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@ -4085,7 +4096,8 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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bool new_state = false;
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int lkflg;
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int err;
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struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
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struct net *net = SVC_NET(rqstp);
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struct nfsd_net *nn = net_generic(net, nfsd_net_id);
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dprintk("NFSD: nfsd4_lock: start=%Ld length=%Ld\n",
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(long long) lock->lk_offset,
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@ -4119,7 +4131,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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status = nfs4_preprocess_confirmed_seqid_op(cstate,
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lock->lk_new_open_seqid,
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&lock->lk_new_open_stateid,
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&open_stp);
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&open_stp, nn);
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if (status)
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goto out;
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open_sop = openowner(open_stp->st_stateowner);
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@ -4133,7 +4145,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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status = nfs4_preprocess_seqid_op(cstate,
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lock->lk_old_lock_seqid,
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&lock->lk_old_lock_stateid,
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NFS4_LOCK_STID, &lock_stp);
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NFS4_LOCK_STID, &lock_stp, nn);
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if (status)
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goto out;
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lock_sop = lockowner(lock_stp->st_stateowner);
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@ -4144,10 +4156,10 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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goto out;
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status = nfserr_grace;
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if (locks_in_grace(SVC_NET(rqstp)) && !lock->lk_reclaim)
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if (locks_in_grace(net) && !lock->lk_reclaim)
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goto out;
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status = nfserr_no_grace;
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if (!locks_in_grace(SVC_NET(rqstp)) && lock->lk_reclaim)
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if (!locks_in_grace(net) && lock->lk_reclaim)
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goto out;
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file_lock = locks_alloc_lock();
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@ -4333,7 +4345,8 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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struct file_lock *file_lock = NULL;
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__be32 status;
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int err;
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struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
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dprintk("NFSD: nfsd4_locku: start=%Ld length=%Ld\n",
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(long long) locku->lu_offset,
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(long long) locku->lu_length);
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@ -4344,7 +4357,8 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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nfs4_lock_state();
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status = nfs4_preprocess_seqid_op(cstate, locku->lu_seqid,
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&locku->lu_stateid, NFS4_LOCK_STID, &stp);
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&locku->lu_stateid, NFS4_LOCK_STID,
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&stp, nn);
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if (status)
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goto out;
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filp = find_any_file(stp->st_file);
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@ -4564,10 +4578,9 @@ nfsd4_find_reclaim_client(const char *recdir, struct nfsd_net *nn)
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* Called from OPEN. Look for clientid in reclaim list.
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*/
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__be32
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nfs4_check_open_reclaim(clientid_t *clid, bool sessions)
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nfs4_check_open_reclaim(clientid_t *clid, bool sessions, struct nfsd_net *nn)
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{
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struct nfs4_client *clp;
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struct nfsd_net *nn = net_generic(&init_net, nfsd_net_id);
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/* find clientid in conf_id_hashtbl */
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clp = find_confirmed_client(clid, sessions, nn);
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@ -4583,7 +4596,7 @@ void nfsd_forget_clients(u64 num)
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{
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struct nfs4_client *clp, *next;
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int count = 0;
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struct nfsd_net *nn = net_generic(&init_net, nfsd_net_id);
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struct nfsd_net *nn = net_generic(current->nsproxy->net_ns, nfsd_net_id);
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nfs4_lock_state();
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list_for_each_entry_safe(clp, next, &nn->client_lru, cl_lru) {
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@ -4897,8 +4910,8 @@ __nfs4_state_shutdown(struct net *net)
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unhash_delegation(dp);
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}
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nfsd4_client_tracking_exit(&init_net);
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put_net(&init_net);
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nfsd4_client_tracking_exit(net);
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put_net(net);
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}
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void
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@ -470,7 +470,7 @@ void nfs4_remove_reclaim_record(struct nfs4_client_reclaim *, struct nfsd_net *)
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extern void nfs4_release_reclaim(struct nfsd_net *);
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extern struct nfs4_client_reclaim *nfsd4_find_reclaim_client(const char *recdir,
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struct nfsd_net *nn);
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extern __be32 nfs4_check_open_reclaim(clientid_t *clid, bool sessions);
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extern __be32 nfs4_check_open_reclaim(clientid_t *clid, bool sessions, struct nfsd_net *nn);
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extern void nfs4_free_openowner(struct nfs4_openowner *);
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extern void nfs4_free_lockowner(struct nfs4_lockowner *);
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extern int set_callback_cred(void);
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@ -581,7 +581,7 @@ extern __be32 nfsd4_destroy_session(struct svc_rqst *,
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extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
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__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
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extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
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struct nfsd4_open *open);
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struct nfsd4_open *open, struct nfsd_net *nn);
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extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
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struct svc_fh *current_fh, struct nfsd4_open *open);
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extern void nfsd4_cleanup_open_state(struct nfsd4_open *open, __be32 status);
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