bsd/nfs/nfs4_vnops.c

1808 	struct nfs_open_owner *noop, *newnoop = NULL;
1812 	TAILQ_FOREACH(noop, &nmp->nm_open_owners, noo_link) {
1813 		if (kauth_cred_getuid(noop->noo_cred) == uid)
1817 	if (!noop && !newnoop && alloc) {
1831 	if (!noop && newnoop) {
1834 		noop = newnoop;
1838 	if (newnoop && (noop != newnoop))
1841 	if (noop)
1842 		nfs_open_owner_ref(noop);
1844 	return (noop);
1851 nfs_open_owner_destroy(struct nfs_open_owner *noop)
1853 	if (noop->noo_cred)
1854 		kauth_cred_unref(&noop->noo_cred);
1855 	lck_mtx_destroy(&noop->noo_lock, nfs_open_grp);
1856 	FREE(noop, M_TEMP);
1863 nfs_open_owner_ref(struct nfs_open_owner *noop)
1865 	lck_mtx_lock(&noop->noo_lock);
1866 	noop->noo_refcnt++;
1867 	lck_mtx_unlock(&noop->noo_lock);
1875 nfs_open_owner_rele(struct nfs_open_owner *noop)
1877 	lck_mtx_lock(&noop->noo_lock);
1878 	if (noop->noo_refcnt < 1)
1880 	noop->noo_refcnt--;
1881 	if (!noop->noo_refcnt && (noop->noo_flags & NFS_OPEN_OWNER_BUSY))
1884 	if (noop->noo_refcnt || (noop->noo_flags & NFS_OPEN_OWNER_LINK)) {
1885 		lck_mtx_unlock(&noop->noo_lock);
1889 	lck_mtx_unlock(&noop->noo_lock);
1890 	nfs_open_owner_destroy(noop);
1898 nfs_open_owner_set_busy(struct nfs_open_owner *noop, thread_t thd)
1904 	nmp = noop->noo_mount;
1909 	lck_mtx_lock(&noop->noo_lock);
1910 	while (noop->noo_flags & NFS_OPEN_OWNER_BUSY) {
1913 		noop->noo_flags |= NFS_OPEN_OWNER_WANT;
1914 		msleep(noop, &noop->noo_lock, slpflag, "nfs_open_owner_set_busy", &ts);
1918 		noop->noo_flags |= NFS_OPEN_OWNER_BUSY;
1919 	lck_mtx_unlock(&noop->noo_lock);
1929 nfs_open_owner_clear_busy(struct nfs_open_owner *noop)
1933 	lck_mtx_lock(&noop->noo_lock);
1934 	if (!(noop->noo_flags & NFS_OPEN_OWNER_BUSY))
1936 	wanted = (noop->noo_flags & NFS_OPEN_OWNER_WANT);
1937 	noop->noo_flags &= ~(NFS_OPEN_OWNER_BUSY|NFS_OPEN_OWNER_WANT);
1938 	lck_mtx_unlock(&noop->noo_lock);
1940 		wakeup(noop);
1948 nfs_owner_seqid_increment(struct nfs_open_owner *noop, struct nfs_lock_owner *nlop, int error)
1962 	if (noop)
1963 		noop->noo_seqid++;
1976 	struct nfs_open_owner *noop,
1983 	return nfs_open_file_find_internal(np, noop, nofpp, accessMode, denyMode, alloc);
1994 	struct nfs_open_owner *noop,
2007 		if (nofp2->nof_owner == noop) {
2031 		newnofp->nof_owner = noop;
2032 		nfs_open_owner_ref(noop);
2034 		lck_mtx_lock(&noop->noo_lock);
2035 		TAILQ_INSERT_HEAD(&noop->noo_opens, newnofp, nof_oolink);
2036 		lck_mtx_unlock(&noop->noo_lock);
2420 	struct nfs_open_owner *noop = NULL;
2433 		} else if (((noop = nfs_open_owner_find(nmp, cred, 0))) &&
2434 			 (nfs_open_file_find(np, noop, &nofp, 0, 0, 0) == 0) &&
2458 	if (noop)
2459 		nfs_open_owner_rele(noop);
2668 	struct nfs_open_owner *noop = NULL;
2690 	noop = nfs_open_owner_find(nmp, vfs_context_ucred(ctx), 1);
2691 	if (!noop)
2697 		nfs_open_owner_rele(noop);
2703 		nfs_open_owner_rele(noop);
2707 	error = nfs_open_file_find(np, noop, &nofp, 0, 0, 1);
2709 		NP(np, "nfs_vnop_mmap: no open file for owner, error %d, %d", error, kauth_cred_getuid(noop->noo_cred));
2831 	if (noop)
2832 		nfs_open_owner_rele(noop);
4235 	struct nfs_open_owner *noop = NULL;
4330 		noop = nfs_open_owner_find(nmp, vfs_context_ucred(ctx), 0);
4331 		if (!noop) {
4338 		error = nfs_open_file_find(np, noop, &nofp, 0, 0, 0);
4352 			NP(np, "nfs_vnop_advlock: no open file %d, %d", error, kauth_cred_getuid(noop->noo_cred));
4370 	if (noop)
4371 		nfs_open_owner_rele(noop);
4379 nfs_check_for_locks(struct nfs_open_owner *noop, struct nfs_open_file *nofp)
4384 		if (nlop->nlo_open_owner != noop)
4398 	struct nfs_open_owner *noop = nofp->nof_owner;
4481 		error = nfs4_open_reopen_rpc(nofp, thd, noop->noo_cred, &cn, dvp, &vp, NFS_OPEN_SHARE_ACCESS_BOTH, NFS_OPEN_SHARE_DENY_NONE);
4483 		error = nfs4_open_reopen_rpc(nofp, thd, noop->noo_cred, &cn, dvp, &vp, NFS_OPEN_SHARE_ACCESS_WRITE, NFS_OPEN_SHARE_DENY_NONE);
4485 		error = nfs4_open_reopen_rpc(nofp, thd, noop->noo_cred, &cn, dvp, &vp, NFS_OPEN_SHARE_ACCESS_READ, NFS_OPEN_SHARE_DENY_NONE);
4561 	struct nfs_open_owner *noop,
4586 	nfsm_chain_add_32(error, &nmreq, noop->noo_seqid);
4600 	nfs_owner_seqid_increment(noop, NULL, error);
4632 	struct nfs_open_owner *noop = nofp->nof_owner;
4681 	if ((error = nfs_open_owner_set_busy(noop, thd)))
4705 	nfsm_chain_add_32(error, &nmreq, noop->noo_seqid);
4710 	nfsm_chain_add_32(error, &nmreq, kauth_cred_getuid(noop->noo_cred));
4765 	nfs_owner_seqid_increment(noop, NULL, error);
4851 		error = nfs4_open_confirm_rpc(nmp, dnp, fh.fh_data, fh.fh_len, noop, sid, thd, cred, &nvattr, &xid);
4954 	nfs_open_owner_clear_busy(noop);
4970 	struct nfs_open_owner *noop = nofp->nof_owner;
5043 	if ((error = nfs_open_owner_set_busy(noop, NULL)))
5063 	nfsm_chain_add_32(error, &nmreq, noop->noo_seqid);
5069 	nfsm_chain_add_32(error, &nmreq, kauth_cred_getuid(noop->noo_cred)); // open_owner4.owner
5086 			noop->noo_cred, &si, flags|R_NOINTR, &nmrep, &xid, &status);
5095 	nfs_owner_seqid_increment(noop, NULL, error);
5195 	nfs_open_owner_clear_busy(noop);
5228 	struct nfs_open_owner *noop = nofp->nof_owner;
5249 	if ((error = nfs_open_owner_set_busy(noop, NULL)))
5269 	nfsm_chain_add_32(error, &nmreq, noop->noo_seqid);
5275 	nfsm_chain_add_32(error, &nmreq, kauth_cred_getuid(noop->noo_cred)); // open_owner4.owner
5295 			noop->noo_cred, &si, R_RECOVER|R_NOINTR, &nmrep, &xid, &status);
5304 	nfs_owner_seqid_increment(noop, NULL, error);
5410 	nfs_open_owner_clear_busy(noop);
5424 	struct nfs_open_owner *noop = nofp->nof_owner;
5436 	if ((error = nfs_open_owner_set_busy(noop, NULL)))
5453 	nfsm_chain_add_32(error, &nmreq, noop->noo_seqid);
5473 	nfs_owner_seqid_increment(noop, NULL, error);
5480 	nfs_open_owner_clear_busy(noop);
5494 	struct nfs_open_owner *noop = nofp->nof_owner;
5506 	if ((error = nfs_open_owner_set_busy(noop, NULL)))
5522 	nfsm_chain_add_32(error, &nmreq, noop->noo_seqid);
5539 	nfs_owner_seqid_increment(noop, NULL, error);
5546 	nfs_open_owner_clear_busy(noop);
5559 	struct nfs_open_owner *noop = nofp->nof_owner;
5673 		if (reopen && (nfs_check_for_locks(noop, nofp) == 0)) {
5690 			if (nlop->nlo_open_owner != noop)
5699 				error = nmp->nm_funcs->nf_setlock_rpc(nofp->nof_np, nofp, nflp, 0, flags, current_thread(), noop->noo_cred);
6029 	struct nfs_open_owner *noop;
6043 	noop = nfs_open_owner_find(nmp, vfs_context_ucred(ctx), 1);
6044 	if (!noop)
6047 	error = nfs_open_file_find(np, noop, &nofp, 0, 0, 1);
6049 		NP(np, "nfs_vnop_read: LOST %d", kauth_cred_getuid(noop->noo_cred));
6059 		nfs_open_owner_rele(noop);
6066 			nfs_open_owner_rele(noop);
6072 			nfs_open_owner_rele(noop);
6095 	nfs_open_owner_rele(noop);
6125 	struct nfs_open_owner *noop = NULL;
6135 	noop = nfs_open_owner_find(nmp, vfs_context_ucred(ctx), 1);
6136 	if (!noop)
6142 		nfs_open_owner_rele(noop);
6147 	error = nfs_open_file_find(NULL, noop, &newnofp, 0, 0, 1);
6231 	error = nfs_open_file_find_internal(np, noop, &nofp, 0, 0, 0);
6264 	if (noop)
6265 		nfs_open_owner_rele(noop);
6926 	struct nfs_open_owner *noop = NULL;
6980 		noop = nfs_open_owner_find(nmp, vfs_context_ucred(ctx), 1);
6981 		if (!noop)
7060 			nfs_open_owner_rele(noop);
7061 			noop = NULL;
7067 		error = nfs_open_file_find(anp, noop, &newnofp, 0, 0, 1);
7069 			printf("nfs4_named_attr_get: LOST %d %s\n", kauth_cred_getuid(noop->noo_cred), cnp->cn_nameptr);
7119 		if ((error = nfs_open_owner_set_busy(noop, thd)))
7160 		nfsm_chain_add_32(error, &nmreq, noop->noo_seqid);
7165 		nfsm_chain_add_32(error, &nmreq, kauth_cred_getuid(noop->noo_cred));
7275 		nfs_owner_seqid_increment(noop, NULL, error);
7359 			error = nfs4_open_confirm_rpc(nmp, adnp ? adnp : np, fh.fh_data, fh.fh_len, noop, &newnofp->nof_stateid, thd, cred, &nvattr, &xid);
7400 			error = nfs_open_file_find_internal(anp, noop, &nofp, 0, 0, 0);
7501 				nfs_open_owner_clear_busy(noop);
7506 		if (noop) {
7508 				nfs_open_owner_clear_busy(noop);
7511 			nfs_open_owner_rele(noop);