bsd/nfs/nfs4_vnops.c

3101 nfs_lock_owner_insert_held_lock(struct nfs_lock_owner *nlop, struct nfs_file_lock *newnflp)
3107 	if ((newnflp->nfl_flags & NFS_FILE_LOCK_STYLE_MASK) == NFS_FILE_LOCK_STYLE_FLOCK) {
3108 		TAILQ_INSERT_HEAD(&nlop->nlo_locks, newnflp, nfl_lolink);
3111 			if (newnflp->nfl_start < nflp->nfl_start)
3115 			TAILQ_INSERT_BEFORE(nflp, newnflp, nfl_lolink);
3117 			TAILQ_INSERT_TAIL(&nlop->nlo_locks, newnflp, nfl_lolink);
3572 	struct nfs_file_lock *newnflp, *nflp, *nflp2 = NULL, *nextnflp, *flocknflp = NULL;
3586 	newnflp = nfs_file_lock_alloc(nlop);
3587 	if (!newnflp)
3589 	newnflp->nfl_start = start;
3590 	newnflp->nfl_end = end;
3591 	newnflp->nfl_type = type;
3593 		newnflp->nfl_flags |= NFS_FILE_LOCK_WAIT;
3594 	newnflp->nfl_flags |= style;
3595 	newnflp->nfl_flags |= NFS_FILE_LOCK_BLOCKED;
3636 		TAILQ_INSERT_HEAD(&np->n_locks, newnflp, nfl_link);
3641 	for (nflp = TAILQ_NEXT(newnflp, nfl_link); nflp; nflp = nextnflp) {
3643 		if (!nfs_file_lock_conflict(newnflp, nflp, &willsplit))
3646 		if (!(newnflp->nfl_flags & NFS_FILE_LOCK_WAIT)) {
3673 				if (!nfs_file_lock_conflict(newnflp, nflp, NULL))
3690 		} while (!error && nfs_file_lock_conflict(newnflp, nflp, NULL));
3700 		nextnflp = TAILQ_NEXT(newnflp, nfl_link);
3731 				newnflp->nfl_flags |= NFS_FILE_LOCK_DELEGATED;
3761 			error = nmp->nm_funcs->nf_setlock_rpc(np, nofp, newnflp, 0, 0, vfs_context_thread(ctx), vfs_context_ucred(ctx));
3765 		if ((error == NFSERR_DENIED) && !(newnflp->nfl_flags & NFS_FILE_LOCK_WAIT)) {
3798 			tsleep(newnflp, slpflag, "nfs_advlock_setlock_delay", delay * (hz/2));
3828 	newnflp->nfl_flags &= ~NFS_FILE_LOCK_BLOCKED;
3830 		newnflp->nfl_flags |= NFS_FILE_LOCK_DEAD;
3831 		if (newnflp->nfl_blockcnt) {
3833 			wakeup(newnflp);
3835 			/* remove newnflp from lock list and destroy */
3837 				TAILQ_REMOVE(&np->n_locks, newnflp, nfl_link);
3838 			nfs_file_lock_destroy(newnflp);
3860 		if (nflp == newnflp)
3866 		if ((newnflp->nfl_flags & NFS_FILE_LOCK_STYLE_MASK) != (nflp->nfl_flags & NFS_FILE_LOCK_STYLE_MASK))
3868 		if ((newnflp->nfl_start > nflp->nfl_end) || (newnflp->nfl_end < nflp->nfl_start))
3871 		if ((newnflp->nfl_start <= nflp->nfl_start) && (newnflp->nfl_end >= nflp->nfl_end)) {
3878 		} else if ((newnflp->nfl_start > nflp->nfl_start) && (newnflp->nfl_end < nflp->nfl_end)) {
3884 			nflp2->nfl_start = newnflp->nfl_end + 1;
3886 			nflp->nfl_end = newnflp->nfl_start - 1;
3891 		} else if (newnflp->nfl_start > nflp->nfl_start) {
3893 			nflp->nfl_end = newnflp->nfl_start - 1;
3894 		} else if (newnflp->nfl_end < nflp->nfl_end) {
3896 			nflp->nfl_start = newnflp->nfl_end + 1;
3908 	nfs_lock_owner_insert_held_lock(nlop, newnflp);
3986 	struct nfs_file_lock *nflp, *nextnflp, *newnflp = NULL;
4033 			newnflp = nfs_file_lock_alloc(nlop);
4034 			if (!newnflp)
4150 			newnflp->nfl_flags |= (nflp->nfl_flags & (NFS_FILE_LOCK_STYLE_MASK|NFS_FILE_LOCK_DELEGATED));
4151 			newnflp->nfl_type = nflp->nfl_type;
4152 			newnflp->nfl_start = end + 1;
4153 			newnflp->nfl_end = nflp->nfl_end;
4155 			TAILQ_INSERT_AFTER(&np->n_locks, nflp, newnflp, nfl_link);
4156 			nfs_lock_owner_insert_held_lock(nlop, newnflp);
4157 			nextnflp = newnflp;
4158 			newnflp = NULL;
4208 	if (newnflp)
4209 		nfs_file_lock_destroy(newnflp);