diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-09-24 00:26:49 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-24 00:26:49 -0400 |
commit | 98ed72deebfd2b55b7e1bb94c8175b1169999212 (patch) | |
tree | f1682a68f65e0a38159f55a58c054779d749f8df /fs/nfsd/nfs4state.c | |
parent | dbaa9a9d2b37d838125fb7f2b9fdc5dc5fa4eaa9 (diff) | |
parent | 87e807b6c461bbd449496a4c3ab78ab164a4ba97 (diff) | |
download | kernel-crypto-98ed72deebfd2b55b7e1bb94c8175b1169999212.tar.gz kernel-crypto-98ed72deebfd2b55b7e1bb94c8175b1169999212.tar.xz kernel-crypto-98ed72deebfd2b55b7e1bb94c8175b1169999212.zip |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'fs/nfsd/nfs4state.c')
-rw-r--r-- | fs/nfsd/nfs4state.c | 90 |
1 files changed, 47 insertions, 43 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index b83f8fb441e..6bbefd06f10 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -624,7 +624,7 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se) cb->cb_ident = se->se_callback_ident; return; out_err: - printk(KERN_INFO "NFSD: this client (clientid %08x/%08x) " + dprintk(KERN_INFO "NFSD: this client (clientid %08x/%08x) " "will not receive delegations\n", clp->cl_clientid.cl_boot, clp->cl_clientid.cl_id); @@ -678,13 +678,12 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_setclientid *setclid) int status; char dname[HEXDIR_LEN]; - status = nfserr_inval; if (!check_name(clname)) - goto out; + return nfserr_inval; status = nfs4_make_rec_clidname(dname, &clname); if (status) - goto out; + return status; /* * XXX The Duplicate Request Cache (DRC) has been checked (??) @@ -2014,7 +2013,7 @@ STALE_STATEID(stateid_t *stateid) { if (stateid->si_boot == boot_time) return 0; - printk("NFSD: stale stateid (%08x/%08x/%08x/%08x)!\n", + dprintk("NFSD: stale stateid (%08x/%08x/%08x/%08x)!\n", stateid->si_boot, stateid->si_stateownerid, stateid->si_fileid, stateid->si_generation); return 1; @@ -2275,7 +2274,7 @@ nfs4_preprocess_seqid_op(struct svc_fh *current_fh, u32 seqid, stateid_t *statei check_replay: if (seqid == sop->so_seqid - 1) { - printk("NFSD: preprocess_seqid_op: retransmission?\n"); + dprintk("NFSD: preprocess_seqid_op: retransmission?\n"); /* indicate replay to calling function */ return NFSERR_REPLAY_ME; } @@ -2286,7 +2285,7 @@ check_replay: } int -nfsd4_open_confirm(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_confirm *oc) +nfsd4_open_confirm(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_confirm *oc, struct nfs4_stateowner **replay_owner) { int status; struct nfs4_stateowner *sop; @@ -2320,8 +2319,10 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfs nfsd4_create_clid_dir(sop->so_client); out: - if (oc->oc_stateowner) + if (oc->oc_stateowner) { nfs4_get_stateowner(oc->oc_stateowner); + *replay_owner = oc->oc_stateowner; + } nfs4_unlock_state(); return status; } @@ -2352,7 +2353,7 @@ reset_union_bmap_deny(unsigned long deny, unsigned long *bmap) } int -nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_downgrade *od) +nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open_downgrade *od, struct nfs4_stateowner **replay_owner) { int status; struct nfs4_stateid *stp; @@ -2394,8 +2395,10 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct n memcpy(&od->od_stateid, &stp->st_stateid, sizeof(stateid_t)); status = nfs_ok; out: - if (od->od_stateowner) + if (od->od_stateowner) { nfs4_get_stateowner(od->od_stateowner); + *replay_owner = od->od_stateowner; + } nfs4_unlock_state(); return status; } @@ -2404,7 +2407,7 @@ out: * nfs4_unlock_state() called after encode */ int -nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_close *close) +nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_close *close, struct nfs4_stateowner **replay_owner) { int status; struct nfs4_stateid *stp; @@ -2430,8 +2433,10 @@ nfsd4_close(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_clos /* release_state_owner() calls nfsd_close() if needed */ release_state_owner(stp, OPEN_STATE); out: - if (close->cl_stateowner) + if (close->cl_stateowner) { nfs4_get_stateowner(close->cl_stateowner); + *replay_owner = close->cl_stateowner; + } nfs4_unlock_state(); return status; } @@ -2500,8 +2505,7 @@ find_stateid(stateid_t *stid, int flags) (local->st_stateid.si_fileid == f_id)) return local; } - } else - printk("NFSD: find_stateid: ERROR: no state flag\n"); + } return NULL; } @@ -2624,7 +2628,9 @@ alloc_init_lock_stateowner(unsigned int strhashval, struct nfs4_client *clp, str sop->so_is_open_owner = 0; sop->so_id = current_ownerid++; sop->so_client = clp; - sop->so_seqid = lock->lk_new_lock_seqid; + /* It is the openowner seqid that will be incremented in encode in the + * case of new lockowners; so increment the lock seqid manually: */ + sop->so_seqid = lock->lk_new_lock_seqid + 1; sop->so_confirmed = 1; rp = &sop->so_replay; rp->rp_status = NFSERR_SERVERFAULT; @@ -2676,9 +2682,10 @@ check_lock_length(u64 offset, u64 length) * LOCK operation */ int -nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock *lock) +nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock *lock, struct nfs4_stateowner **replay_owner) { struct nfs4_stateowner *open_sop = NULL; + struct nfs4_stateowner *lock_sop = NULL; struct nfs4_stateid *lock_stp; struct file *filp; struct file_lock file_lock; @@ -2705,19 +2712,19 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock struct nfs4_file *fp; status = nfserr_stale_clientid; - if (STALE_CLIENTID(&lock->lk_new_clientid)) { - printk("NFSD: nfsd4_lock: clientid is stale!\n"); + if (STALE_CLIENTID(&lock->lk_new_clientid)) goto out; - } /* validate and update open stateid and open seqid */ status = nfs4_preprocess_seqid_op(current_fh, lock->lk_new_open_seqid, &lock->lk_new_open_stateid, CHECK_FH | OPEN_STATE, - &open_sop, &open_stp, lock); + &lock->lk_stateowner, &open_stp, + lock); if (status) goto out; + open_sop = lock->lk_stateowner; /* create lockowner and lock stateid */ fp = open_stp->st_file; strhashval = lock_ownerstr_hashval(fp->fi_inode, @@ -2727,16 +2734,15 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock * the same file, or should they just be allowed (and * create new stateids)? */ status = nfserr_resource; - if (!(lock->lk_stateowner = alloc_init_lock_stateowner(strhashval, open_sop->so_client, open_stp, lock))) + lock_sop = alloc_init_lock_stateowner(strhashval, + open_sop->so_client, open_stp, lock); + if (lock_sop == NULL) goto out; - if ((lock_stp = alloc_init_lock_stateid(lock->lk_stateowner, - fp, open_stp)) == NULL) { - release_stateowner(lock->lk_stateowner); - lock->lk_stateowner = NULL; + lock_stp = alloc_init_lock_stateid(lock_sop, fp, open_stp); + if (lock_stp == NULL) { + release_stateowner(lock_sop); goto out; } - /* bump the open seqid used to create the lock */ - open_sop->so_seqid++; } else { /* lock (lock owner + lock stateid) already exists */ status = nfs4_preprocess_seqid_op(current_fh, @@ -2746,12 +2752,13 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock &lock->lk_stateowner, &lock_stp, lock); if (status) goto out; + lock_sop = lock->lk_stateowner; } /* lock->lk_stateowner and lock_stp have been created or found */ filp = lock_stp->st_vfs_file; if ((status = fh_verify(rqstp, current_fh, S_IFREG, MAY_LOCK))) { - printk("NFSD: nfsd4_lock: permission denied!\n"); + dprintk("NFSD: nfsd4_lock: permission denied!\n"); goto out; } @@ -2776,7 +2783,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock status = nfserr_inval; goto out; } - file_lock.fl_owner = (fl_owner_t) lock->lk_stateowner; + file_lock.fl_owner = (fl_owner_t)lock_sop; file_lock.fl_pid = current->tgid; file_lock.fl_file = filp; file_lock.fl_flags = FL_POSIX; @@ -2832,14 +2839,13 @@ out_destroy_new_stateid: * An error encountered after instantiation of the new * stateid has forced us to destroy it. */ - if (!seqid_mutating_err(status)) - open_sop->so_seqid--; - release_state_owner(lock_stp, LOCK_STATE); } out: - if (lock->lk_stateowner) + if (lock->lk_stateowner) { nfs4_get_stateowner(lock->lk_stateowner); + *replay_owner = lock->lk_stateowner; + } nfs4_unlock_state(); return status; } @@ -2866,13 +2872,11 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock nfs4_lock_state(); status = nfserr_stale_clientid; - if (STALE_CLIENTID(&lockt->lt_clientid)) { - printk("NFSD: nfsd4_lockt: clientid is stale!\n"); + if (STALE_CLIENTID(&lockt->lt_clientid)) goto out; - } if ((status = fh_verify(rqstp, current_fh, S_IFREG, 0))) { - printk("NFSD: nfsd4_lockt: fh_verify() failed!\n"); + dprintk("NFSD: nfsd4_lockt: fh_verify() failed!\n"); if (status == nfserr_symlink) status = nfserr_inval; goto out; @@ -2930,7 +2934,7 @@ out: } int -nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_locku *locku) +nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_locku *locku, struct nfs4_stateowner **replay_owner) { struct nfs4_stateid *stp; struct file *filp = NULL; @@ -2976,7 +2980,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock if (file_lock.fl_ops && file_lock.fl_ops->fl_release_private) file_lock.fl_ops->fl_release_private(&file_lock); if (status) { - printk("NFSD: nfs4_locku: posix_lock_file failed!\n"); + dprintk("NFSD: nfs4_locku: posix_lock_file failed!\n"); goto out_nfserr; } /* @@ -2986,8 +2990,10 @@ nfsd4_locku(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_lock memcpy(&locku->lu_stateid, &stp->st_stateid, sizeof(stateid_t)); out: - if (locku->lu_stateowner) + if (locku->lu_stateowner) { nfs4_get_stateowner(locku->lu_stateowner); + *replay_owner = locku->lu_stateowner; + } nfs4_unlock_state(); return status; @@ -3036,10 +3042,8 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp, struct nfsd4_release_lockowner * /* XXX check for lease expiration */ status = nfserr_stale_clientid; - if (STALE_CLIENTID(clid)) { - printk("NFSD: nfsd4_release_lockowner: clientid is stale!\n"); + if (STALE_CLIENTID(clid)) return status; - } nfs4_lock_state(); |