nfsd4: split stateowners into open and lockowners
The stateowner has some fields that only make sense for openowners, and some that only make sense for lockowners, and I find it a lot clearer if those are separated out. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields
parent
f4dee24cca
commit
fe0750e5c4
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@ -250,7 +250,7 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o
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fh_dup2(current_fh, &resfh);
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/* set reply cache */
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fh_copy_shallow(&open->op_stateowner->so_replay.rp_openfh,
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fh_copy_shallow(&open->op_openowner->oo_owner.so_replay.rp_openfh,
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&resfh.fh_handle);
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if (!created)
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status = do_open_permission(rqstp, current_fh, open,
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@ -277,7 +277,7 @@ do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_
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memset(&open->op_cinfo, 0, sizeof(struct nfsd4_change_info));
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/* set replay cache */
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fh_copy_shallow(&open->op_stateowner->so_replay.rp_openfh,
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fh_copy_shallow(&open->op_openowner->oo_owner.so_replay.rp_openfh,
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¤t_fh->fh_handle);
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open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) &&
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@ -306,9 +306,9 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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__be32 status;
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struct nfsd4_compoundres *resp;
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dprintk("NFSD: nfsd4_open filename %.*s op_stateowner %p\n",
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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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open->op_stateowner);
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open->op_openowner);
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/* This check required by spec. */
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if (open->op_create && open->op_claim_type != NFS4_OPEN_CLAIM_NULL)
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@ -332,7 +332,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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resp = rqstp->rq_resp;
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status = nfsd4_process_open1(&resp->cstate, open);
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if (status == nfserr_replay_me) {
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struct nfs4_replay *rp = &open->op_stateowner->so_replay;
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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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fh_copy_shallow(&cstate->current_fh.fh_handle,
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&rp->rp_openfh);
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@ -374,7 +374,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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goto out;
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break;
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case NFS4_OPEN_CLAIM_PREVIOUS:
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open->op_stateowner->so_confirmed = 1;
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open->op_openowner->oo_confirmed = 1;
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/*
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* The CURRENT_FH is already set to the file being
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* opened. (1) set open->op_cinfo, (2) set
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@ -387,7 +387,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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goto out;
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break;
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case NFS4_OPEN_CLAIM_DELEGATE_PREV:
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open->op_stateowner->so_confirmed = 1;
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open->op_openowner->oo_confirmed = 1;
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dprintk("NFSD: unsupported OPEN claim type %d\n",
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open->op_claim_type);
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status = nfserr_notsupp;
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@ -405,8 +405,8 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
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*/
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status = nfsd4_process_open2(rqstp, &cstate->current_fh, open);
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out:
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if (open->op_stateowner)
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cstate->replay_owner = open->op_stateowner;
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if (open->op_openowner)
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cstate->replay_owner = &open->op_openowner->oo_owner;
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else
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nfs4_unlock_state();
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return status;
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@ -63,7 +63,7 @@ static u64 current_sessionid = 1;
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static struct nfs4_stateid * find_stateid(stateid_t *stid, int flags);
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static struct nfs4_delegation * search_for_delegation(stateid_t *stid);
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static struct nfs4_delegation * find_delegation_stateid(struct inode *ino, stateid_t *stid);
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static int check_for_locks(struct nfs4_file *filp, struct nfs4_stateowner *lowner);
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static int check_for_locks(struct nfs4_file *filp, struct nfs4_lockowner *lowner);
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/* Locking: */
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@ -77,7 +77,8 @@ static DEFINE_MUTEX(client_mutex);
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*/
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static DEFINE_SPINLOCK(recall_lock);
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static struct kmem_cache *stateowner_slab = NULL;
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static struct kmem_cache *openowner_slab = NULL;
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static struct kmem_cache *lockowner_slab = NULL;
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static struct kmem_cache *file_slab = NULL;
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static struct kmem_cache *stateid_slab = NULL;
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static struct kmem_cache *deleg_slab = NULL;
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@ -432,41 +433,39 @@ static void release_lock_stateid(struct nfs4_stateid *stp)
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unhash_generic_stateid(stp);
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file = find_any_file(stp->st_file);
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if (file)
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locks_remove_posix(file, (fl_owner_t)stp->st_stateowner);
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locks_remove_posix(file, (fl_owner_t)lockowner(stp->st_stateowner));
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free_generic_stateid(stp);
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}
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static void unhash_lockowner(struct nfs4_stateowner *sop)
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static void unhash_lockowner(struct nfs4_lockowner *lo)
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{
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struct nfs4_stateid *stp;
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list_del(&sop->so_idhash);
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list_del(&sop->so_strhash);
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list_del(&sop->so_perstateid);
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while (!list_empty(&sop->so_stateids)) {
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stp = list_first_entry(&sop->so_stateids,
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list_del(&lo->lo_owner.so_idhash);
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list_del(&lo->lo_owner.so_strhash);
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list_del(&lo->lo_perstateid);
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while (!list_empty(&lo->lo_owner.so_stateids)) {
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stp = list_first_entry(&lo->lo_owner.so_stateids,
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struct nfs4_stateid, st_perstateowner);
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release_lock_stateid(stp);
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}
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}
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static void release_lockowner(struct nfs4_stateowner *sop)
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static void release_lockowner(struct nfs4_lockowner *lo)
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{
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unhash_lockowner(sop);
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nfs4_free_stateowner(sop);
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unhash_lockowner(lo);
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nfs4_free_lockowner(lo);
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}
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static void
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release_stateid_lockowners(struct nfs4_stateid *open_stp)
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{
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struct nfs4_stateowner *lock_sop;
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struct nfs4_lockowner *lo;
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while (!list_empty(&open_stp->st_lockowners)) {
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lock_sop = list_entry(open_stp->st_lockowners.next,
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struct nfs4_stateowner, so_perstateid);
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/* list_del(&open_stp->st_lockowners); */
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BUG_ON(lock_sop->so_is_open_owner);
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release_lockowner(lock_sop);
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lo = list_entry(open_stp->st_lockowners.next,
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struct nfs4_lockowner, lo_perstateid);
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release_lockowner(lo);
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}
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}
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@ -477,26 +476,25 @@ static void release_open_stateid(struct nfs4_stateid *stp)
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free_generic_stateid(stp);
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}
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static void unhash_openowner(struct nfs4_stateowner *sop)
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static void unhash_openowner(struct nfs4_openowner *oo)
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{
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struct nfs4_stateid *stp;
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list_del(&sop->so_idhash);
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list_del(&sop->so_strhash);
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list_del(&sop->so_perclient);
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list_del(&sop->so_perstateid); /* XXX: necessary? */
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while (!list_empty(&sop->so_stateids)) {
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stp = list_first_entry(&sop->so_stateids,
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list_del(&oo->oo_owner.so_idhash);
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list_del(&oo->oo_owner.so_strhash);
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list_del(&oo->oo_perclient);
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while (!list_empty(&oo->oo_owner.so_stateids)) {
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stp = list_first_entry(&oo->oo_owner.so_stateids,
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struct nfs4_stateid, st_perstateowner);
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release_open_stateid(stp);
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}
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}
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static void release_openowner(struct nfs4_stateowner *sop)
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static void release_openowner(struct nfs4_openowner *oo)
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{
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unhash_openowner(sop);
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list_del(&sop->so_close_lru);
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nfs4_free_stateowner(sop);
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unhash_openowner(oo);
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list_del(&oo->oo_close_lru);
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nfs4_free_openowner(oo);
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}
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#define SESSION_HASH_SIZE 512
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@ -961,7 +959,7 @@ unhash_client_locked(struct nfs4_client *clp)
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static void
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expire_client(struct nfs4_client *clp)
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{
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struct nfs4_stateowner *sop;
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struct nfs4_openowner *oo;
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struct nfs4_delegation *dp;
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struct list_head reaplist;
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@ -979,8 +977,8 @@ expire_client(struct nfs4_client *clp)
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unhash_delegation(dp);
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}
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while (!list_empty(&clp->cl_openowners)) {
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sop = list_entry(clp->cl_openowners.next, struct nfs4_stateowner, so_perclient);
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release_openowner(sop);
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oo = list_entry(clp->cl_openowners.next, struct nfs4_openowner, oo_perclient);
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release_openowner(oo);
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}
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nfsd4_shutdown_callback(clp);
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if (clp->cl_cb_conn.cb_xprt)
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@ -2173,7 +2171,8 @@ nfsd4_free_slab(struct kmem_cache **slab)
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void
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nfsd4_free_slabs(void)
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{
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nfsd4_free_slab(&stateowner_slab);
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nfsd4_free_slab(&openowner_slab);
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nfsd4_free_slab(&lockowner_slab);
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nfsd4_free_slab(&file_slab);
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nfsd4_free_slab(&stateid_slab);
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nfsd4_free_slab(&deleg_slab);
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@ -2182,9 +2181,13 @@ nfsd4_free_slabs(void)
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static int
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nfsd4_init_slabs(void)
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{
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stateowner_slab = kmem_cache_create("nfsd4_stateowners",
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sizeof(struct nfs4_stateowner), 0, 0, NULL);
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if (stateowner_slab == NULL)
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openowner_slab = kmem_cache_create("nfsd4_openowners",
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sizeof(struct nfs4_openowner), 0, 0, NULL);
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if (openowner_slab == NULL)
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goto out_nomem;
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lockowner_slab = kmem_cache_create("nfsd4_lockowners",
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sizeof(struct nfs4_openowner), 0, 0, NULL);
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if (lockowner_slab == NULL)
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goto out_nomem;
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file_slab = kmem_cache_create("nfsd4_files",
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sizeof(struct nfs4_file), 0, 0, NULL);
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@ -2205,11 +2208,16 @@ out_nomem:
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return -ENOMEM;
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}
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void
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nfs4_free_stateowner(struct nfs4_stateowner *sop)
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void nfs4_free_openowner(struct nfs4_openowner *oo)
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{
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kfree(sop->so_owner.data);
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kmem_cache_free(stateowner_slab, sop);
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kfree(oo->oo_owner.so_owner.data);
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kmem_cache_free(openowner_slab, oo);
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}
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void nfs4_free_lockowner(struct nfs4_lockowner *lo)
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{
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kfree(lo->lo_owner.so_owner.data);
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kmem_cache_free(lockowner_slab, lo);
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}
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static void init_nfs4_replay(struct nfs4_replay *rp)
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@ -2219,74 +2227,72 @@ static void init_nfs4_replay(struct nfs4_replay *rp)
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rp->rp_buf = rp->rp_ibuf;
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}
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static inline struct nfs4_stateowner *alloc_stateowner(struct xdr_netobj *owner, struct nfs4_client *clp)
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static inline void *alloc_stateowner(struct kmem_cache *slab, struct xdr_netobj *owner, struct nfs4_client *clp)
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{
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struct nfs4_stateowner *sop;
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sop = kmem_cache_alloc(stateowner_slab, GFP_KERNEL);
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sop = kmem_cache_alloc(slab, GFP_KERNEL);
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if (!sop)
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return NULL;
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sop->so_owner.data = kmemdup(owner->data, owner->len, GFP_KERNEL);
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if (!sop->so_owner.data) {
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kmem_cache_free(stateowner_slab, sop);
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kmem_cache_free(slab, sop);
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return NULL;
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}
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sop->so_owner.len = owner->len;
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INIT_LIST_HEAD(&sop->so_perclient);
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INIT_LIST_HEAD(&sop->so_stateids);
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INIT_LIST_HEAD(&sop->so_perstateid);
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INIT_LIST_HEAD(&sop->so_close_lru);
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sop->so_id = current_ownerid++;
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sop->so_time = 0;
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sop->so_client = clp;
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init_nfs4_replay(&sop->so_replay);
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return sop;
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}
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static void hash_openowner(struct nfs4_stateowner *sop, struct nfs4_client *clp, unsigned int strhashval)
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static void hash_openowner(struct nfs4_openowner *oo, struct nfs4_client *clp, unsigned int strhashval)
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{
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unsigned int idhashval;
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idhashval = open_ownerid_hashval(sop->so_id);
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list_add(&sop->so_idhash, &open_ownerid_hashtbl[idhashval]);
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list_add(&sop->so_strhash, &open_ownerstr_hashtbl[strhashval]);
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list_add(&sop->so_perclient, &clp->cl_openowners);
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idhashval = open_ownerid_hashval(oo->oo_owner.so_id);
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list_add(&oo->oo_owner.so_idhash, &open_ownerid_hashtbl[idhashval]);
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list_add(&oo->oo_owner.so_strhash, &open_ownerstr_hashtbl[strhashval]);
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list_add(&oo->oo_perclient, &clp->cl_openowners);
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}
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static struct nfs4_stateowner *
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static struct nfs4_openowner *
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alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, struct nfsd4_open *open) {
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struct nfs4_stateowner *sop;
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struct nfs4_openowner *oo;
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sop = alloc_stateowner(&open->op_owner, clp);
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if (!sop)
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oo = alloc_stateowner(openowner_slab, &open->op_owner, clp);
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if (!oo)
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return NULL;
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sop->so_is_open_owner = 1;
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sop->so_seqid = open->op_seqid;
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sop->so_confirmed = 0;
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hash_openowner(sop, clp, strhashval);
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return sop;
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oo->oo_owner.so_is_open_owner = 1;
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oo->oo_owner.so_seqid = open->op_seqid;
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oo->oo_confirmed = 0;
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oo->oo_time = 0;
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INIT_LIST_HEAD(&oo->oo_close_lru);
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hash_openowner(oo, clp, strhashval);
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return oo;
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}
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static inline void
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init_stateid(struct nfs4_stateid *stp, struct nfs4_file *fp, struct nfsd4_open *open) {
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struct nfs4_stateowner *sop = open->op_stateowner;
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unsigned int hashval = stateid_hashval(sop->so_id, fp->fi_id);
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struct nfs4_openowner *oo = open->op_openowner;
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unsigned int hashval = stateid_hashval(oo->oo_owner.so_id, fp->fi_id);
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INIT_LIST_HEAD(&stp->st_hash);
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INIT_LIST_HEAD(&stp->st_perstateowner);
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INIT_LIST_HEAD(&stp->st_lockowners);
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INIT_LIST_HEAD(&stp->st_perfile);
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list_add(&stp->st_hash, &stateid_hashtbl[hashval]);
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list_add(&stp->st_perstateowner, &sop->so_stateids);
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list_add(&stp->st_perstateowner, &oo->oo_owner.so_stateids);
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list_add(&stp->st_perfile, &fp->fi_stateids);
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stp->st_type = NFS4_OPEN_STID;
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stp->st_stateowner = sop;
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stp->st_stateowner = &oo->oo_owner;
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get_nfs4_file(fp);
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stp->st_file = fp;
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stp->st_stateid.si_boot = boot_time;
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stp->st_stateid.si_stateownerid = sop->so_id;
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stp->st_stateid.si_stateownerid = oo->oo_owner.so_id;
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stp->st_stateid.si_fileid = fp->fi_id;
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/* note will be incremented before first return to client: */
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stp->st_stateid.si_generation = 0;
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@ -2299,12 +2305,12 @@ init_stateid(struct nfs4_stateid *stp, struct nfs4_file *fp, struct nfsd4_open *
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}
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static void
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move_to_close_lru(struct nfs4_stateowner *sop)
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move_to_close_lru(struct nfs4_openowner *oo)
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{
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dprintk("NFSD: move_to_close_lru nfs4_stateowner %p\n", sop);
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dprintk("NFSD: move_to_close_lru nfs4_openowner %p\n", oo);
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list_move_tail(&sop->so_close_lru, &close_lru);
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sop->so_time = get_seconds();
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list_move_tail(&oo->oo_close_lru, &close_lru);
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oo->oo_time = get_seconds();
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}
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static int
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@ -2316,14 +2322,14 @@ same_owner_str(struct nfs4_stateowner *sop, struct xdr_netobj *owner,
|
|||
(sop->so_client->cl_clientid.cl_id == clid->cl_id);
|
||||
}
|
||||
|
||||
static struct nfs4_stateowner *
|
||||
static struct nfs4_openowner *
|
||||
find_openstateowner_str(unsigned int hashval, struct nfsd4_open *open)
|
||||
{
|
||||
struct nfs4_stateowner *so = NULL;
|
||||
|
||||
list_for_each_entry(so, &open_ownerstr_hashtbl[hashval], so_strhash) {
|
||||
if (same_owner_str(so, &open->op_owner, &open->op_clientid))
|
||||
return so;
|
||||
return container_of(so, struct nfs4_openowner, oo_owner);
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
|
@ -2474,7 +2480,7 @@ nfsd4_process_open1(struct nfsd4_compound_state *cstate,
|
|||
clientid_t *clientid = &open->op_clientid;
|
||||
struct nfs4_client *clp = NULL;
|
||||
unsigned int strhashval;
|
||||
struct nfs4_stateowner *sop = NULL;
|
||||
struct nfs4_openowner *oo = NULL;
|
||||
__be32 status;
|
||||
|
||||
if (!check_name(open->op_owner))
|
||||
|
|
@ -2484,34 +2490,34 @@ nfsd4_process_open1(struct nfsd4_compound_state *cstate,
|
|||
return nfserr_stale_clientid;
|
||||
|
||||
strhashval = open_ownerstr_hashval(clientid->cl_id, &open->op_owner);
|
||||
sop = find_openstateowner_str(strhashval, open);
|
||||
open->op_stateowner = sop;
|
||||
if (!sop) {
|
||||
oo = find_openstateowner_str(strhashval, open);
|
||||
open->op_openowner = oo;
|
||||
if (!oo) {
|
||||
/* Make sure the client's lease hasn't expired. */
|
||||
clp = find_confirmed_client(clientid);
|
||||
if (clp == NULL)
|
||||
return nfserr_expired;
|
||||
goto renew;
|
||||
}
|
||||
if (!sop->so_confirmed) {
|
||||
if (!oo->oo_confirmed) {
|
||||
/* Replace unconfirmed owners without checking for replay. */
|
||||
clp = sop->so_client;
|
||||
release_openowner(sop);
|
||||
open->op_stateowner = NULL;
|
||||
clp = oo->oo_owner.so_client;
|
||||
release_openowner(oo);
|
||||
open->op_openowner = NULL;
|
||||
goto renew;
|
||||
}
|
||||
status = nfsd4_check_seqid(cstate, sop, open->op_seqid);
|
||||
status = nfsd4_check_seqid(cstate, &oo->oo_owner, open->op_seqid);
|
||||
if (status)
|
||||
return status;
|
||||
renew:
|
||||
if (open->op_stateowner == NULL) {
|
||||
sop = alloc_init_open_stateowner(strhashval, clp, open);
|
||||
if (sop == NULL)
|
||||
if (open->op_openowner == NULL) {
|
||||
oo = alloc_init_open_stateowner(strhashval, clp, open);
|
||||
if (oo == NULL)
|
||||
return nfserr_jukebox;
|
||||
open->op_stateowner = sop;
|
||||
open->op_openowner = oo;
|
||||
}
|
||||
list_del_init(&sop->so_close_lru);
|
||||
renew_client(sop->so_client);
|
||||
list_del_init(&oo->oo_close_lru);
|
||||
renew_client(oo->oo_owner.so_client);
|
||||
return nfs_ok;
|
||||
}
|
||||
|
||||
|
|
@ -2565,7 +2571,7 @@ out:
|
|||
return nfs_ok;
|
||||
if (status)
|
||||
return status;
|
||||
open->op_stateowner->so_confirmed = 1;
|
||||
open->op_openowner->oo_confirmed = 1;
|
||||
return nfs_ok;
|
||||
}
|
||||
|
||||
|
|
@ -2573,14 +2579,14 @@ static __be32
|
|||
nfs4_check_open(struct nfs4_file *fp, struct nfsd4_open *open, struct nfs4_stateid **stpp)
|
||||
{
|
||||
struct nfs4_stateid *local;
|
||||
struct nfs4_stateowner *sop = open->op_stateowner;
|
||||
struct nfs4_openowner *oo = open->op_openowner;
|
||||
|
||||
list_for_each_entry(local, &fp->fi_stateids, st_perfile) {
|
||||
/* ignore lock owners */
|
||||
if (local->st_stateowner->so_is_open_owner == 0)
|
||||
continue;
|
||||
/* remember if we have seen this open owner */
|
||||
if (local->st_stateowner == sop)
|
||||
if (local->st_stateowner == &oo->oo_owner)
|
||||
*stpp = local;
|
||||
/* check for conflicting share reservations */
|
||||
if (!test_share(local, open))
|
||||
|
|
@ -2698,8 +2704,8 @@ nfs4_upgrade_open(struct svc_rqst *rqstp, struct nfs4_file *fp, struct svc_fh *c
|
|||
static void
|
||||
nfs4_set_claim_prev(struct nfsd4_open *open)
|
||||
{
|
||||
open->op_stateowner->so_confirmed = 1;
|
||||
open->op_stateowner->so_client->cl_firststate = 1;
|
||||
open->op_openowner->oo_confirmed = 1;
|
||||
open->op_openowner->oo_owner.so_client->cl_firststate = 1;
|
||||
}
|
||||
|
||||
/* Should we give out recallable state?: */
|
||||
|
|
@ -2782,11 +2788,11 @@ static void
|
|||
nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_stateid *stp)
|
||||
{
|
||||
struct nfs4_delegation *dp;
|
||||
struct nfs4_stateowner *sop = stp->st_stateowner;
|
||||
struct nfs4_openowner *oo = container_of(stp->st_stateowner, struct nfs4_openowner, oo_owner);
|
||||
int cb_up;
|
||||
int status, flag = 0;
|
||||
|
||||
cb_up = nfsd4_cb_channel_good(sop->so_client);
|
||||
cb_up = nfsd4_cb_channel_good(oo->oo_owner.so_client);
|
||||
flag = NFS4_OPEN_DELEGATE_NONE;
|
||||
open->op_recall = 0;
|
||||
switch (open->op_claim_type) {
|
||||
|
|
@ -2802,7 +2808,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
|
|||
* had the chance to reclaim theirs.... */
|
||||
if (locks_in_grace())
|
||||
goto out;
|
||||
if (!cb_up || !sop->so_confirmed)
|
||||
if (!cb_up || !oo->oo_confirmed)
|
||||
goto out;
|
||||
if (open->op_share_access & NFS4_SHARE_ACCESS_WRITE)
|
||||
flag = NFS4_OPEN_DELEGATE_WRITE;
|
||||
|
|
@ -2813,7 +2819,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
|
|||
goto out;
|
||||
}
|
||||
|
||||
dp = alloc_init_deleg(sop->so_client, stp, fh, flag);
|
||||
dp = alloc_init_deleg(oo->oo_owner.so_client, stp, fh, flag);
|
||||
if (dp == NULL)
|
||||
goto out_no_deleg;
|
||||
status = nfs4_set_delegation(dp, flag);
|
||||
|
|
@ -2901,7 +2907,7 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
|
|||
memcpy(&open->op_stateid, &stp->st_stateid, sizeof(stateid_t));
|
||||
|
||||
if (nfsd4_has_session(&resp->cstate))
|
||||
open->op_stateowner->so_confirmed = 1;
|
||||
open->op_openowner->oo_confirmed = 1;
|
||||
|
||||
/*
|
||||
* Attempt to hand out a delegation. No error return, because the
|
||||
|
|
@ -2922,7 +2928,7 @@ out:
|
|||
* To finish the open response, we just need to set the rflags.
|
||||
*/
|
||||
open->op_rflags = NFS4_OPEN_RESULT_LOCKTYPE_POSIX;
|
||||
if (!open->op_stateowner->so_confirmed &&
|
||||
if (!open->op_openowner->oo_confirmed &&
|
||||
!nfsd4_has_session(&resp->cstate))
|
||||
open->op_rflags |= NFS4_OPEN_RESULT_CONFIRM;
|
||||
|
||||
|
|
@ -2981,7 +2987,7 @@ static time_t
|
|||
nfs4_laundromat(void)
|
||||
{
|
||||
struct nfs4_client *clp;
|
||||
struct nfs4_stateowner *sop;
|
||||
struct nfs4_openowner *oo;
|
||||
struct nfs4_delegation *dp;
|
||||
struct list_head *pos, *next, reaplist;
|
||||
time_t cutoff = get_seconds() - nfsd4_lease;
|
||||
|
|
@ -3038,16 +3044,16 @@ nfs4_laundromat(void)
|
|||
}
|
||||
test_val = nfsd4_lease;
|
||||
list_for_each_safe(pos, next, &close_lru) {
|
||||
sop = list_entry(pos, struct nfs4_stateowner, so_close_lru);
|
||||
if (time_after((unsigned long)sop->so_time, (unsigned long)cutoff)) {
|
||||
u = sop->so_time - cutoff;
|
||||
oo = container_of(pos, struct nfs4_openowner, oo_close_lru);
|
||||
if (time_after((unsigned long)oo->oo_time, (unsigned long)cutoff)) {
|
||||
u = oo->oo_time - cutoff;
|
||||
if (test_val > u)
|
||||
test_val = u;
|
||||
break;
|
||||
}
|
||||
dprintk("NFSD: purging unused open stateowner (so_id %d)\n",
|
||||
sop->so_id);
|
||||
release_openowner(sop);
|
||||
oo->oo_owner.so_id);
|
||||
release_openowner(oo);
|
||||
}
|
||||
if (clientid_val < NFSD_LAUNDROMAT_MINTIMEOUT)
|
||||
clientid_val = NFSD_LAUNDROMAT_MINTIMEOUT;
|
||||
|
|
@ -3069,13 +3075,12 @@ laundromat_main(struct work_struct *not_used)
|
|||
queue_delayed_work(laundry_wq, &laundromat_work, t*HZ);
|
||||
}
|
||||
|
||||
static struct nfs4_stateowner *
|
||||
search_close_lru(u32 st_id)
|
||||
static struct nfs4_openowner * search_close_lru(u32 st_id)
|
||||
{
|
||||
struct nfs4_stateowner *local;
|
||||
struct nfs4_openowner *local;
|
||||
|
||||
list_for_each_entry(local, &close_lru, so_close_lru) {
|
||||
if (local->so_id == st_id)
|
||||
list_for_each_entry(local, &close_lru, oo_close_lru) {
|
||||
if (local->oo_owner.so_id == st_id)
|
||||
return local;
|
||||
}
|
||||
return NULL;
|
||||
|
|
@ -3209,7 +3214,8 @@ __be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session)
|
|||
goto out;
|
||||
status = nfserr_bad_stateid;
|
||||
|
||||
if (!stp->st_stateowner->so_confirmed)
|
||||
if (stp->st_stateowner->so_is_open_owner
|
||||
&& !openowner(stp->st_stateowner)->oo_confirmed)
|
||||
goto out;
|
||||
|
||||
status = check_stateid_generation(stateid, &stp->st_stateid, has_session);
|
||||
|
|
@ -3274,7 +3280,8 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
|
|||
status = nfserr_bad_stateid;
|
||||
if (nfs4_check_fh(current_fh, stp))
|
||||
goto out;
|
||||
if (!stp->st_stateowner->so_confirmed)
|
||||
if (stp->st_stateowner->so_is_open_owner
|
||||
&& !openowner(stp->st_stateowner)->oo_confirmed)
|
||||
goto out;
|
||||
status = check_stateid_generation(stateid, &stp->st_stateid,
|
||||
nfsd4_has_session(cstate));
|
||||
|
|
@ -3308,7 +3315,7 @@ nfsd4_free_delegation_stateid(stateid_t *stateid)
|
|||
static __be32
|
||||
nfsd4_free_lock_stateid(struct nfs4_stateid *stp)
|
||||
{
|
||||
if (check_for_locks(stp->st_file, stp->st_stateowner))
|
||||
if (check_for_locks(stp->st_file, lockowner(stp->st_stateowner)))
|
||||
return nfserr_locks_held;
|
||||
release_lock_stateid(stp);
|
||||
return nfs_ok;
|
||||
|
|
@ -3417,7 +3424,8 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
|
|||
if (status)
|
||||
return status;
|
||||
|
||||
if (!sop->so_confirmed && !(flags & CONFIRM)) {
|
||||
if (sop->so_is_open_owner && !openowner(sop)->oo_confirmed
|
||||
&& !(flags & CONFIRM)) {
|
||||
dprintk("NFSD: preprocess_seqid_op: stateowner not"
|
||||
" confirmed yet!\n");
|
||||
return nfserr_bad_stateid;
|
||||
|
|
@ -3434,7 +3442,7 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
struct nfsd4_open_confirm *oc)
|
||||
{
|
||||
__be32 status;
|
||||
struct nfs4_stateowner *sop;
|
||||
struct nfs4_openowner *oo;
|
||||
struct nfs4_stateid *stp;
|
||||
|
||||
dprintk("NFSD: nfsd4_open_confirm on file %.*s\n",
|
||||
|
|
@ -3452,17 +3460,17 @@ nfsd4_open_confirm(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
CONFIRM | OPEN_STATE, &stp);
|
||||
if (status)
|
||||
goto out;
|
||||
sop = stp->st_stateowner;
|
||||
oo = openowner(stp->st_stateowner);
|
||||
status = nfserr_bad_stateid;
|
||||
if (sop->so_confirmed)
|
||||
if (oo->oo_confirmed)
|
||||
goto out;
|
||||
sop->so_confirmed = 1;
|
||||
oo->oo_confirmed = 1;
|
||||
update_stateid(&stp->st_stateid);
|
||||
memcpy(&oc->oc_resp_stateid, &stp->st_stateid, sizeof(stateid_t));
|
||||
dprintk("NFSD: %s: success, seqid=%d stateid=" STATEID_FMT "\n",
|
||||
__func__, oc->oc_seqid, STATEID_VAL(&stp->st_stateid));
|
||||
|
||||
nfsd4_create_clid_dir(sop->so_client);
|
||||
nfsd4_create_clid_dir(oo->oo_owner.so_client);
|
||||
status = nfs_ok;
|
||||
out:
|
||||
if (!cstate->replay_owner)
|
||||
|
|
@ -3513,7 +3521,6 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp,
|
|||
&od->od_stateid, OPEN_STATE, &stp);
|
||||
if (status)
|
||||
goto out;
|
||||
|
||||
status = nfserr_inval;
|
||||
if (!test_bit(od->od_share_access, &stp->st_access_bmap)) {
|
||||
dprintk("NFSD:access not a subset current bitmap: 0x%lx, input access=%08x\n",
|
||||
|
|
@ -3546,8 +3553,8 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
struct nfsd4_close *close)
|
||||
{
|
||||
__be32 status;
|
||||
struct nfs4_openowner *oo;
|
||||
struct nfs4_stateid *stp;
|
||||
struct nfs4_stateowner *so;
|
||||
|
||||
dprintk("NFSD: nfsd4_close on file %.*s\n",
|
||||
(int)cstate->current_fh.fh_dentry->d_name.len,
|
||||
|
|
@ -3563,19 +3570,19 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
* Also, we should make sure this isn't just the result of
|
||||
* a replayed close:
|
||||
*/
|
||||
so = search_close_lru(close->cl_stateid.si_stateownerid);
|
||||
oo = search_close_lru(close->cl_stateid.si_stateownerid);
|
||||
/* It's not stale; let's assume it's expired: */
|
||||
if (so == NULL)
|
||||
if (oo == NULL)
|
||||
goto out;
|
||||
cstate->replay_owner = so;
|
||||
status = nfsd4_check_seqid(cstate, so, close->cl_seqid);
|
||||
cstate->replay_owner = &oo->oo_owner;
|
||||
status = nfsd4_check_seqid(cstate, &oo->oo_owner, close->cl_seqid);
|
||||
if (status)
|
||||
goto out;
|
||||
status = nfserr_bad_seqid;
|
||||
}
|
||||
if (status)
|
||||
goto out;
|
||||
so = stp->st_stateowner;
|
||||
oo = openowner(stp->st_stateowner);
|
||||
status = nfs_ok;
|
||||
update_stateid(&stp->st_stateid);
|
||||
memcpy(&close->cl_stateid, &stp->st_stateid, sizeof(stateid_t));
|
||||
|
|
@ -3587,8 +3594,8 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
* released by the laundromat service after the lease period
|
||||
* to enable us to handle CLOSE replay
|
||||
*/
|
||||
if (list_empty(&so->so_stateids))
|
||||
move_to_close_lru(so);
|
||||
if (list_empty(&oo->oo_owner.so_stateids))
|
||||
move_to_close_lru(oo);
|
||||
out:
|
||||
if (!cstate->replay_owner)
|
||||
nfs4_unlock_state();
|
||||
|
|
@ -3768,17 +3775,17 @@ static const struct lock_manager_operations nfsd_posix_mng_ops = {
|
|||
static inline void
|
||||
nfs4_set_lock_denied(struct file_lock *fl, struct nfsd4_lock_denied *deny)
|
||||
{
|
||||
struct nfs4_stateowner *sop;
|
||||
struct nfs4_lockowner *lo;
|
||||
|
||||
if (fl->fl_lmops == &nfsd_posix_mng_ops) {
|
||||
sop = (struct nfs4_stateowner *) fl->fl_owner;
|
||||
deny->ld_owner.data = kmemdup(sop->so_owner.data,
|
||||
sop->so_owner.len, GFP_KERNEL);
|
||||
lo = (struct nfs4_lockowner *) fl->fl_owner;
|
||||
deny->ld_owner.data = kmemdup(lo->lo_owner.so_owner.data,
|
||||
lo->lo_owner.so_owner.len, GFP_KERNEL);
|
||||
if (!deny->ld_owner.data)
|
||||
/* We just don't care that much */
|
||||
goto nevermind;
|
||||
deny->ld_owner.len = sop->so_owner.len;
|
||||
deny->ld_clientid = sop->so_client->cl_clientid;
|
||||
deny->ld_owner.len = lo->lo_owner.so_owner.len;
|
||||
deny->ld_clientid = lo->lo_owner.so_client->cl_clientid;
|
||||
} else {
|
||||
nevermind:
|
||||
deny->ld_owner.len = 0;
|
||||
|
|
@ -3795,8 +3802,8 @@ nevermind:
|
|||
deny->ld_type = NFS4_WRITE_LT;
|
||||
}
|
||||
|
||||
static struct nfs4_stateowner *
|
||||
find_lockstateowner_str(struct inode *inode, clientid_t *clid,
|
||||
static struct nfs4_lockowner *
|
||||
find_lockowner_str(struct inode *inode, clientid_t *clid,
|
||||
struct xdr_netobj *owner)
|
||||
{
|
||||
unsigned int hashval = lock_ownerstr_hashval(inode, clid->cl_id, owner);
|
||||
|
|
@ -3804,19 +3811,19 @@ find_lockstateowner_str(struct inode *inode, clientid_t *clid,
|
|||
|
||||
list_for_each_entry(op, &lock_ownerstr_hashtbl[hashval], so_strhash) {
|
||||
if (same_owner_str(op, owner, clid))
|
||||
return op;
|
||||
return lockowner(op);
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void hash_lockowner(struct nfs4_stateowner *sop, unsigned int strhashval, struct nfs4_client *clp, struct nfs4_stateid *open_stp)
|
||||
static void hash_lockowner(struct nfs4_lockowner *lo, unsigned int strhashval, struct nfs4_client *clp, struct nfs4_stateid *open_stp)
|
||||
{
|
||||
unsigned int idhashval;
|
||||
|
||||
idhashval = lockownerid_hashval(sop->so_id);
|
||||
list_add(&sop->so_idhash, &lock_ownerid_hashtbl[idhashval]);
|
||||
list_add(&sop->so_strhash, &lock_ownerstr_hashtbl[strhashval]);
|
||||
list_add(&sop->so_perstateid, &open_stp->st_lockowners);
|
||||
idhashval = lockownerid_hashval(lo->lo_owner.so_id);
|
||||
list_add(&lo->lo_owner.so_idhash, &lock_ownerid_hashtbl[idhashval]);
|
||||
list_add(&lo->lo_owner.so_strhash, &lock_ownerstr_hashtbl[strhashval]);
|
||||
list_add(&lo->lo_perstateid, &open_stp->st_lockowners);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -3827,28 +3834,27 @@ static void hash_lockowner(struct nfs4_stateowner *sop, unsigned int strhashval,
|
|||
* strhashval = lock_ownerstr_hashval
|
||||
*/
|
||||
|
||||
static struct nfs4_stateowner *
|
||||
static struct nfs4_lockowner *
|
||||
alloc_init_lock_stateowner(unsigned int strhashval, struct nfs4_client *clp, struct nfs4_stateid *open_stp, struct nfsd4_lock *lock) {
|
||||
struct nfs4_stateowner *sop;
|
||||
struct nfs4_lockowner *lo;
|
||||
|
||||
sop = alloc_stateowner(&lock->lk_new_owner, clp);
|
||||
if (!sop)
|
||||
lo = alloc_stateowner(lockowner_slab, &lock->lk_new_owner, clp);
|
||||
if (!lo)
|
||||
return NULL;
|
||||
INIT_LIST_HEAD(&sop->so_stateids);
|
||||
sop->so_is_open_owner = 0;
|
||||
INIT_LIST_HEAD(&lo->lo_owner.so_stateids);
|
||||
lo->lo_owner.so_is_open_owner = 0;
|
||||
/* 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;
|
||||
hash_lockowner(sop, strhashval, clp, open_stp);
|
||||
return sop;
|
||||
lo->lo_owner.so_seqid = lock->lk_new_lock_seqid + 1;
|
||||
hash_lockowner(lo, strhashval, clp, open_stp);
|
||||
return lo;
|
||||
}
|
||||
|
||||
static struct nfs4_stateid *
|
||||
alloc_init_lock_stateid(struct nfs4_stateowner *sop, struct nfs4_file *fp, struct nfs4_stateid *open_stp)
|
||||
alloc_init_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp, struct nfs4_stateid *open_stp)
|
||||
{
|
||||
struct nfs4_stateid *stp;
|
||||
unsigned int hashval = stateid_hashval(sop->so_id, fp->fi_id);
|
||||
unsigned int hashval = stateid_hashval(lo->lo_owner.so_id, fp->fi_id);
|
||||
|
||||
stp = nfs4_alloc_stateid();
|
||||
if (stp == NULL)
|
||||
|
|
@ -3859,13 +3865,13 @@ alloc_init_lock_stateid(struct nfs4_stateowner *sop, struct nfs4_file *fp, struc
|
|||
INIT_LIST_HEAD(&stp->st_lockowners); /* not used */
|
||||
list_add(&stp->st_hash, &stateid_hashtbl[hashval]);
|
||||
list_add(&stp->st_perfile, &fp->fi_stateids);
|
||||
list_add(&stp->st_perstateowner, &sop->so_stateids);
|
||||
stp->st_stateowner = sop;
|
||||
list_add(&stp->st_perstateowner, &lo->lo_owner.so_stateids);
|
||||
stp->st_stateowner = &lo->lo_owner;
|
||||
stp->st_type = NFS4_LOCK_STID;
|
||||
get_nfs4_file(fp);
|
||||
stp->st_file = fp;
|
||||
stp->st_stateid.si_boot = boot_time;
|
||||
stp->st_stateid.si_stateownerid = sop->so_id;
|
||||
stp->st_stateid.si_stateownerid = lo->lo_owner.so_id;
|
||||
stp->st_stateid.si_fileid = fp->fi_id;
|
||||
/* note will be incremented before first return to client: */
|
||||
stp->st_stateid.si_generation = 0;
|
||||
|
|
@ -3902,8 +3908,8 @@ __be32
|
|||
nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
||||
struct nfsd4_lock *lock)
|
||||
{
|
||||
struct nfs4_stateowner *open_sop = NULL;
|
||||
struct nfs4_stateowner *lock_sop = NULL;
|
||||
struct nfs4_openowner *open_sop = NULL;
|
||||
struct nfs4_lockowner *lock_sop = NULL;
|
||||
struct nfs4_stateid *lock_stp;
|
||||
struct nfs4_file *fp;
|
||||
struct file *filp = NULL;
|
||||
|
|
@ -3949,23 +3955,23 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
OPEN_STATE, &open_stp);
|
||||
if (status)
|
||||
goto out;
|
||||
open_sop = openowner(open_stp->st_stateowner);
|
||||
status = nfserr_bad_stateid;
|
||||
open_sop = open_stp->st_stateowner;
|
||||
if (!nfsd4_has_session(cstate) &&
|
||||
!same_clid(&open_sop->so_client->cl_clientid,
|
||||
!same_clid(&open_sop->oo_owner.so_client->cl_clientid,
|
||||
&lock->v.new.clientid))
|
||||
goto out;
|
||||
/* create lockowner and lock stateid */
|
||||
fp = open_stp->st_file;
|
||||
strhashval = lock_ownerstr_hashval(fp->fi_inode,
|
||||
open_sop->so_client->cl_clientid.cl_id,
|
||||
strhashval = lock_ownerstr_hashval(fp->fi_inode,
|
||||
open_sop->oo_owner.so_client->cl_clientid.cl_id,
|
||||
&lock->v.new.owner);
|
||||
/* XXX: Do we need to check for duplicate stateowners on
|
||||
* the same file, or should they just be allowed (and
|
||||
* create new stateids)? */
|
||||
status = nfserr_jukebox;
|
||||
lock_sop = alloc_init_lock_stateowner(strhashval,
|
||||
open_sop->so_client, open_stp, lock);
|
||||
open_sop->oo_owner.so_client, open_stp, lock);
|
||||
if (lock_sop == NULL)
|
||||
goto out;
|
||||
lock_stp = alloc_init_lock_stateid(lock_sop, fp, open_stp);
|
||||
|
|
@ -3974,12 +3980,12 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
} else {
|
||||
/* lock (lock owner + lock stateid) already exists */
|
||||
status = nfs4_preprocess_seqid_op(cstate,
|
||||
lock->lk_old_lock_seqid,
|
||||
&lock->lk_old_lock_stateid,
|
||||
lock->lk_old_lock_seqid,
|
||||
&lock->lk_old_lock_stateid,
|
||||
LOCK_STATE, &lock_stp);
|
||||
if (status)
|
||||
goto out;
|
||||
lock_sop = lock_stp->st_stateowner;
|
||||
lock_sop = lockowner(lock_stp->st_stateowner);
|
||||
fp = lock_stp->st_file;
|
||||
}
|
||||
/* lock_sop and lock_stp have been created or found */
|
||||
|
|
@ -4092,7 +4098,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
{
|
||||
struct inode *inode;
|
||||
struct file_lock file_lock;
|
||||
struct nfs4_stateowner *so;
|
||||
struct nfs4_lockowner *lo;
|
||||
int error;
|
||||
__be32 status;
|
||||
|
||||
|
|
@ -4128,10 +4134,9 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
goto out;
|
||||
}
|
||||
|
||||
so = find_lockstateowner_str(inode,
|
||||
&lockt->lt_clientid, &lockt->lt_owner);
|
||||
if (so)
|
||||
file_lock.fl_owner = (fl_owner_t)so;
|
||||
lo = find_lockowner_str(inode, &lockt->lt_clientid, &lockt->lt_owner);
|
||||
if (lo)
|
||||
file_lock.fl_owner = (fl_owner_t)lo;
|
||||
file_lock.fl_pid = current->tgid;
|
||||
file_lock.fl_flags = FL_POSIX;
|
||||
|
||||
|
|
@ -4186,7 +4191,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
BUG_ON(!filp);
|
||||
locks_init_lock(&file_lock);
|
||||
file_lock.fl_type = F_UNLCK;
|
||||
file_lock.fl_owner = (fl_owner_t) stp->st_stateowner;
|
||||
file_lock.fl_owner = (fl_owner_t)lockowner(stp->st_stateowner);
|
||||
file_lock.fl_pid = current->tgid;
|
||||
file_lock.fl_file = filp;
|
||||
file_lock.fl_flags = FL_POSIX;
|
||||
|
|
@ -4225,7 +4230,7 @@ out_nfserr:
|
|||
* 0: no locks held by lockowner
|
||||
*/
|
||||
static int
|
||||
check_for_locks(struct nfs4_file *filp, struct nfs4_stateowner *lowner)
|
||||
check_for_locks(struct nfs4_file *filp, struct nfs4_lockowner *lowner)
|
||||
{
|
||||
struct file_lock **flpp;
|
||||
struct inode *inode = filp->fi_inode;
|
||||
|
|
@ -4250,6 +4255,7 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
|
|||
{
|
||||
clientid_t *clid = &rlockowner->rl_clientid;
|
||||
struct nfs4_stateowner *sop;
|
||||
struct nfs4_lockowner *lo;
|
||||
struct nfs4_stateid *stp;
|
||||
struct xdr_netobj *owner = &rlockowner->rl_owner;
|
||||
struct list_head matches;
|
||||
|
|
@ -4279,11 +4285,10 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
|
|||
continue;
|
||||
list_for_each_entry(stp, &sop->so_stateids,
|
||||
st_perstateowner) {
|
||||
if (check_for_locks(stp->st_file, sop))
|
||||
lo = lockowner(sop);
|
||||
if (check_for_locks(stp->st_file, lo))
|
||||
goto out;
|
||||
/* Note: so_perclient unused for lockowners,
|
||||
* so it's OK to fool with here. */
|
||||
list_add(&sop->so_perclient, &matches);
|
||||
list_add(&lo->lo_list, &matches);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -4292,12 +4297,12 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
|
|||
* have been checked. */
|
||||
status = nfs_ok;
|
||||
while (!list_empty(&matches)) {
|
||||
sop = list_entry(matches.next, struct nfs4_stateowner,
|
||||
so_perclient);
|
||||
lo = list_entry(matches.next, struct nfs4_lockowner,
|
||||
lo_list);
|
||||
/* unhash_stateowner deletes so_perclient only
|
||||
* for openowners. */
|
||||
list_del(&sop->so_perclient);
|
||||
release_lockowner(sop);
|
||||
list_del(&lo->lo_list);
|
||||
release_lockowner(lo);
|
||||
}
|
||||
out:
|
||||
nfs4_unlock_state();
|
||||
|
|
|
|||
|
|
@ -646,7 +646,7 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open)
|
|||
|
||||
memset(open->op_bmval, 0, sizeof(open->op_bmval));
|
||||
open->op_iattr.ia_valid = 0;
|
||||
open->op_stateowner = NULL;
|
||||
open->op_openowner = NULL;
|
||||
|
||||
/* seqid, share_access, share_deny, clientid, ownerlen */
|
||||
READ_BUF(16 + sizeof(clientid_t));
|
||||
|
|
|
|||
|
|
@ -337,14 +337,11 @@ struct nfs4_replay {
|
|||
* reaped (when so_perfilestate is empty) to hold the last close replay.
|
||||
* reaped by laundramat thread after lease period.
|
||||
*/
|
||||
|
||||
struct nfs4_stateowner {
|
||||
struct list_head so_idhash; /* hash by so_id */
|
||||
struct list_head so_strhash; /* hash by op_name */
|
||||
struct list_head so_perclient;
|
||||
struct list_head so_stateids;
|
||||
struct list_head so_perstateid; /* for lockowners only */
|
||||
struct list_head so_close_lru; /* tail queue */
|
||||
time_t so_time; /* time of placement on so_close_lru */
|
||||
int so_is_open_owner; /* 1=openowner,0=lockowner */
|
||||
u32 so_id;
|
||||
struct nfs4_client * so_client;
|
||||
|
|
@ -352,10 +349,33 @@ struct nfs4_stateowner {
|
|||
* sequence id expected from the client: */
|
||||
u32 so_seqid;
|
||||
struct xdr_netobj so_owner; /* open owner name */
|
||||
int so_confirmed; /* successful OPEN_CONFIRM? */
|
||||
struct nfs4_replay so_replay;
|
||||
};
|
||||
|
||||
struct nfs4_openowner {
|
||||
struct nfs4_stateowner oo_owner; /* must be first field */
|
||||
struct list_head oo_perclient;
|
||||
struct list_head oo_close_lru; /* tail queue */
|
||||
time_t oo_time; /* time of placement on so_close_lru */
|
||||
int oo_confirmed; /* successful OPEN_CONFIRM? */
|
||||
};
|
||||
|
||||
struct nfs4_lockowner {
|
||||
struct nfs4_stateowner lo_owner; /* must be first element */
|
||||
struct list_head lo_perstateid; /* for lockowners only */
|
||||
struct list_head lo_list; /* for temporary uses */
|
||||
};
|
||||
|
||||
static inline struct nfs4_openowner * openowner(struct nfs4_stateowner *so)
|
||||
{
|
||||
return container_of(so, struct nfs4_openowner, oo_owner);
|
||||
}
|
||||
|
||||
static inline struct nfs4_lockowner * lockowner(struct nfs4_stateowner *so)
|
||||
{
|
||||
return container_of(so, struct nfs4_lockowner, lo_owner);
|
||||
}
|
||||
|
||||
/*
|
||||
* nfs4_file: a file opened by some number of (open) nfs4_stateowners.
|
||||
* o fi_perfile list is used to search for conflicting
|
||||
|
|
@ -457,7 +477,8 @@ extern void nfs4_lock_state(void);
|
|||
extern void nfs4_unlock_state(void);
|
||||
extern int nfs4_in_grace(void);
|
||||
extern __be32 nfs4_check_open_reclaim(clientid_t *clid);
|
||||
extern void nfs4_free_stateowner(struct nfs4_stateowner *sop);
|
||||
extern void nfs4_free_openowner(struct nfs4_openowner *);
|
||||
extern void nfs4_free_lockowner(struct nfs4_lockowner *);
|
||||
extern int set_callback_cred(void);
|
||||
extern void nfsd4_probe_callback(struct nfs4_client *clp);
|
||||
extern void nfsd4_probe_callback_sync(struct nfs4_client *clp);
|
||||
|
|
|
|||
|
|
@ -227,7 +227,7 @@ struct nfsd4_open {
|
|||
struct nfsd4_change_info op_cinfo; /* response */
|
||||
u32 op_rflags; /* response */
|
||||
int op_truncate; /* used during processing */
|
||||
struct nfs4_stateowner *op_stateowner; /* used during processing */
|
||||
struct nfs4_openowner *op_openowner; /* used during processing */
|
||||
struct nfs4_acl *op_acl;
|
||||
};
|
||||
#define op_iattr iattr
|
||||
|
|
|
|||
Loading…
Reference in New Issue