399 	struct cifs_tcon *tcon;  in super_cb()  local
405 	tcon = cifs_sb_master_tcon(cifs_sb);  in super_cb()
406 	if (tcon->ses->server == d->server)  in super_cb()
479 	struct cifs_tcon *tcon;  in cifs_reconnect()  local
534 			tcon = list_entry(tmp2, struct cifs_tcon, tcon_list);  in cifs_reconnect()
535 			tcon->need_reconnect = true;  in cifs_reconnect()
2902 	struct cifs_tcon *tcon;  in cifs_setup_ipc()  local
2922 	tcon = tconInfoAlloc();  in cifs_setup_ipc()
2923 	if (tcon == NULL)  in cifs_setup_ipc()
2932 	tcon->ses = ses;  in cifs_setup_ipc()
2933 	tcon->ipc = true;  in cifs_setup_ipc()
2934 	tcon->seal = seal;  in cifs_setup_ipc()
2935 	rc = server->ops->tree_connect(xid, ses, unc, tcon, nls_codepage);  in cifs_setup_ipc()
2940 		tconInfoFree(tcon);  in cifs_setup_ipc()
2944 	cifs_dbg(FYI, "IPC tcon rc = %d ipc tid = %d\n", rc, tcon->tid);  in cifs_setup_ipc()
2946 	ses->tcon_ipc = tcon;  in cifs_setup_ipc()
2961 	struct cifs_tcon *tcon = ses->tcon_ipc;  in cifs_free_ipc()  local
2963 	if (tcon == NULL)  in cifs_free_ipc()
2968 		rc = ses->server->ops->tree_disconnect(xid, tcon);  in cifs_free_ipc()
2975 	tconInfoFree(tcon);  in cifs_free_ipc()
3304 static int match_tcon(struct cifs_tcon *tcon, struct smb_vol *volume_info)  in match_tcon()  argument
3306 	if (tcon->tidStatus == CifsExiting)  in match_tcon()
3308 	if (strncmp(tcon->treeName, volume_info->UNC, MAX_TREE_SIZE))  in match_tcon()
3310 	if (tcon->seal != volume_info->seal)  in match_tcon()
3312 	if (tcon->snapshot_time != volume_info->snapshot_time)  in match_tcon()
3314 	if (tcon->handle_timeout != volume_info->handle_timeout)  in match_tcon()
3316 	if (tcon->no_lease != volume_info->no_lease)  in match_tcon()
3325 	struct cifs_tcon *tcon;  in cifs_find_tcon()  local
3329 		tcon = list_entry(tmp, struct cifs_tcon, tcon_list);  in cifs_find_tcon()
3330 		if (!match_tcon(tcon, volume_info))  in cifs_find_tcon()
3332 		++tcon->tc_count;  in cifs_find_tcon()
3334 		return tcon;  in cifs_find_tcon()
3341 cifs_put_tcon(struct cifs_tcon *tcon)  in cifs_put_tcon()  argument
3350 	if (tcon == NULL || tcon->ipc)  in cifs_put_tcon()
3353 	ses = tcon->ses;  in cifs_put_tcon()
3354 	cifs_dbg(FYI, "%s: tc_count=%d\n", __func__, tcon->tc_count);  in cifs_put_tcon()
3356 	if (--tcon->tc_count > 0) {  in cifs_put_tcon()
3361 	list_del_init(&tcon->tcon_list);  in cifs_put_tcon()
3366 		ses->server->ops->tree_disconnect(xid, tcon);  in cifs_put_tcon()
3369 	cifs_fscache_release_super_cookie(tcon);  in cifs_put_tcon()
3370 	tconInfoFree(tcon);  in cifs_put_tcon()
3398 	struct cifs_tcon *tcon;  in cifs_get_tcon()  local
3400 	tcon = cifs_find_tcon(ses, volume_info);  in cifs_get_tcon()
3401 	if (tcon) {  in cifs_get_tcon()
3408 		return tcon;  in cifs_get_tcon()
3416 	tcon = tconInfoAlloc();  in cifs_get_tcon()
3417 	if (tcon == NULL) {  in cifs_get_tcon()
3429 			tcon->snapshot_time = volume_info->snapshot_time;  in cifs_get_tcon()
3439 			tcon->handle_timeout = volume_info->handle_timeout;  in cifs_get_tcon()
3442 	tcon->ses = ses;  in cifs_get_tcon()
3444 		tcon->password = kstrdup(volume_info->password, GFP_KERNEL);  in cifs_get_tcon()
3445 		if (!tcon->password) {  in cifs_get_tcon()
3457 		} else if (tcon->ses->server->capabilities &  in cifs_get_tcon()
3459 			tcon->seal = true;  in cifs_get_tcon()
3469 			tcon->posix_extensions = true;  in cifs_get_tcon()
3484 	rc = ses->server->ops->tree_connect(xid, ses, volume_info->UNC, tcon,  in cifs_get_tcon()
3491 	tcon->use_persistent = false;  in cifs_get_tcon()
3501 			tcon->use_persistent = true;  in cifs_get_tcon()
3508 	} else if ((tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY)  in cifs_get_tcon()
3512 		tcon->use_persistent = true;  in cifs_get_tcon()
3520 		tcon->use_resilient = true;  in cifs_get_tcon()
3524 	if (tcon->share_flags & SMB2_SHAREFLAG_NO_CACHING) {  in cifs_get_tcon()
3536 	tcon->retry = volume_info->retry;  in cifs_get_tcon()
3537 	tcon->nocase = volume_info->nocase;  in cifs_get_tcon()
3538 	tcon->nohandlecache = volume_info->nohandlecache;  in cifs_get_tcon()
3539 	tcon->local_lease = volume_info->local_lease;  in cifs_get_tcon()
3540 	tcon->no_lease = volume_info->no_lease;  in cifs_get_tcon()
3541 	INIT_LIST_HEAD(&tcon->pending_opens);  in cifs_get_tcon()
3544 	list_add(&tcon->tcon_list, &ses->tcon_list);  in cifs_get_tcon()
3547 	cifs_fscache_get_super_cookie(tcon);  in cifs_get_tcon()
3549 	return tcon;  in cifs_get_tcon()
3552 	tconInfoFree(tcon);  in cifs_get_tcon()
3641 	struct cifs_tcon *tcon;  in cifs_match_super()  local
3652 	tcon = tlink_tcon(tlink);  in cifs_match_super()
3653 	ses = tcon->ses;  in cifs_match_super()
3660 	    !match_tcon(tcon, volume_info) ||  in cifs_match_super()
3942 void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,  in reset_cifs_unix_caps()  argument
3954 	__u64 saved_cap = le64_to_cpu(tcon->fsUnixInfo.Capability);  in reset_cifs_unix_caps()
3957 		tcon->fsUnixInfo.Capability = 0;  in reset_cifs_unix_caps()
3958 		tcon->unix_ext = 0; /* Unix Extensions disabled */  in reset_cifs_unix_caps()
3962 		tcon->unix_ext = 1; /* Unix Extensions supported */  in reset_cifs_unix_caps()
3964 	if (tcon->unix_ext == 0) {  in reset_cifs_unix_caps()
3969 	if (!CIFSSMBQFSUnixInfo(xid, tcon)) {  in reset_cifs_unix_caps()
3970 		__u64 cap = le64_to_cpu(tcon->fsUnixInfo.Capability);  in reset_cifs_unix_caps()
4032 		if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) {  in reset_cifs_unix_caps()
4187 				   struct cifs_ses *ses, struct cifs_tcon *tcon)  in mount_put_conns()  argument
4191 	if (tcon)  in mount_put_conns()
4192 		cifs_put_tcon(tcon);  in mount_put_conns()
4210 	struct cifs_tcon *tcon;  in mount_get_conns()  local
4248 	tcon = cifs_get_tcon(ses, vol);  in mount_get_conns()
4249 	if (IS_ERR(tcon)) {  in mount_get_conns()
4250 		rc = PTR_ERR(tcon);  in mount_get_conns()
4254 	*ntcon = tcon;  in mount_get_conns()
4257 	if (tcon->posix_extensions)  in mount_get_conns()
4261 	if (cap_unix(tcon->ses)) {  in mount_get_conns()
4266 		reset_cifs_unix_caps(*xid, tcon, cifs_sb, vol);  in mount_get_conns()
4267 		if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) &&  in mount_get_conns()
4268 		    (le64_to_cpu(tcon->fsUnixInfo.Capability) &  in mount_get_conns()
4272 		tcon->unix_ext = 0; /* server does not support them */  in mount_get_conns()
4275 	if (!tcon->pipe && server->ops->qfs_tcon) {  in mount_get_conns()
4276 		server->ops->qfs_tcon(*xid, tcon);  in mount_get_conns()
4278 			if (tcon->fsDevInfo.DeviceCharacteristics &  in mount_get_conns()
4288 	cifs_sb->wsize = server->ops->negotiate_wsize(tcon, vol);  in mount_get_conns()
4289 	cifs_sb->rsize = server->ops->negotiate_rsize(tcon, vol);  in mount_get_conns()
4295 			     struct cifs_tcon *tcon)  in mount_setup_tlink()  argument
4305 	tlink->tl_tcon = tcon;  in mount_setup_tlink()
4455 			      struct cifs_tcon **tcon)  in setup_dfs_tgt_conn()  argument
4489 		mount_put_conns(cifs_sb, *xid, *server, *ses, *tcon);  in setup_dfs_tgt_conn()
4491 				     tcon);  in setup_dfs_tgt_conn()
4511 				 struct cifs_tcon **tcon)  in mount_do_dfs_failover()  argument
4531 					ses, tcon);  in mount_do_dfs_failover()
4611 					struct cifs_tcon *tcon,  in cifs_are_all_path_components_accessible()  argument
4624 	rc = server->ops->is_path_accessible(xid, tcon, cifs_sb, "");  in cifs_are_all_path_components_accessible()
4648 		rc = server->ops->is_path_accessible(xid, tcon, cifs_sb,  in cifs_are_all_path_components_accessible()
4662 			  struct cifs_tcon *tcon)  in is_path_remote()  argument
4673 	full_path = cifs_build_path_to_root(vol, cifs_sb, tcon,  in is_path_remote()
4674 					    tcon->Flags & SMB_SHARE_IS_IN_DFS);  in is_path_remote()
4680 	rc = server->ops->is_path_accessible(xid, tcon, cifs_sb,  in is_path_remote()
4688 		rc = cifs_are_all_path_components_accessible(server, xid, tcon,  in is_path_remote()
4689 			cifs_sb, full_path, tcon->Flags & SMB_SHARE_IS_IN_DFS);  in is_path_remote()
4709 	struct cifs_tcon *tcon = NULL;  in cifs_mount()  local
4715 	rc = mount_get_conns(vol, cifs_sb, &xid, &server, &ses, &tcon);  in cifs_mount()
4716 	if (!rc && tcon) {  in cifs_mount()
4722 			rc = is_path_remote(cifs_sb, vol, xid, server, tcon);  in cifs_mount()
4781 		mount_put_conns(cifs_sb, xid, server, ses, tcon);  in cifs_mount()
4782 		rc = mount_get_conns(vol, cifs_sb, &xid, &server, &ses, &tcon);  in cifs_mount()
4789 					   &xid, &server, &ses, &tcon);  in cifs_mount()
4809 	tcon->tc_count++;  in cifs_mount()
4810 	tcon->dfs_path = root_path;  in cifs_mount()
4812 	tcon->remap = cifs_remap(cifs_sb);  in cifs_mount()
4815 	root_tcon = tcon;  in cifs_mount()
4818 		if (!rc && tcon) {  in cifs_mount()
4819 			rc = is_path_remote(cifs_sb, vol, xid, server, tcon);  in cifs_mount()
4849 			mount_put_conns(cifs_sb, xid, server, ses, tcon);  in cifs_mount()
4851 					     &tcon);  in cifs_mount()
4859 						   &server, &ses, &tcon);  in cifs_mount()
4871 	if (!tcon->dfs_path) {  in cifs_mount()
4873 		tcon->dfs_path = full_path;  in cifs_mount()
4875 		tcon->remap = cifs_remap(cifs_sb);  in cifs_mount()
4877 	cifs_sb->origin_fullpath = kstrndup(tcon->dfs_path,  in cifs_mount()
4878 					    strlen(tcon->dfs_path),  in cifs_mount()
4900 	return mount_setup_tlink(cifs_sb, ses, tcon);  in cifs_mount()
4906 	mount_put_conns(cifs_sb, xid, server, ses, tcon);  in cifs_mount()
4915 	struct cifs_tcon *tcon;  in cifs_mount()  local
4918 	rc = mount_get_conns(vol, cifs_sb, &xid, &server, &ses, &tcon);  in cifs_mount()
4922 	if (tcon) {  in cifs_mount()
4923 		rc = is_path_remote(cifs_sb, vol, xid, server, tcon);  in cifs_mount()
4932 	return mount_setup_tlink(cifs_sb, ses, tcon);  in cifs_mount()
4935 	mount_put_conns(cifs_sb, xid, server, ses, tcon);  in cifs_mount()
4945 	 const char *tree, struct cifs_tcon *tcon,  in CIFSTCon()  argument
4977 	if (tcon->pipe || (ses->server->sec_mode & SECMODE_USER)) {  in CIFSTCon()
4993 			calc_lanman_hash(tcon->password, ses->server->cryptkey,  in CIFSTCon()
4999 		rc = SMBNTencrypt(tcon->password, ses->server->cryptkey,  in CIFSTCon()
5052 		tcon->tidStatus = CifsGood;  in CIFSTCon()
5053 		tcon->need_reconnect = false;  in CIFSTCon()
5054 		tcon->tid = smb_buffer_response->Tid;  in CIFSTCon()
5069 				tcon->ipc = true;  in CIFSTCon()
5070 				tcon->pipe = true;  in CIFSTCon()
5080 		strlcpy(tcon->treeName, tree, sizeof(tcon->treeName));  in CIFSTCon()
5083 		kfree(tcon->nativeFileSystem);  in CIFSTCon()
5084 		tcon->nativeFileSystem = cifs_strndup_from_utf16(bcc_ptr,  in CIFSTCon()
5088 		cifs_dbg(FYI, "nativeFileSystem=%s\n", tcon->nativeFileSystem);  in CIFSTCon()
5093 			tcon->Flags = le16_to_cpu(pSMBr->OptionalSupport);  in CIFSTCon()
5095 			tcon->Flags = 0;  in CIFSTCon()
5096 		cifs_dbg(FYI, "Tcon flags: 0x%x\n", tcon->Flags);  in CIFSTCon()
5216 	struct cifs_tcon *tcon = NULL;  in cifs_construct_tcon()  local
5237 		tcon = ERR_PTR(rc);  in cifs_construct_tcon()
5248 		tcon = (struct cifs_tcon *)ses;  in cifs_construct_tcon()
5253 	tcon = cifs_get_tcon(ses, vol_info);  in cifs_construct_tcon()
5254 	if (IS_ERR(tcon)) {  in cifs_construct_tcon()
5260 	if (tcon->posix_extensions)  in cifs_construct_tcon()
5264 		reset_cifs_unix_caps(0, tcon, NULL, vol_info);  in cifs_construct_tcon()
5271 	return tcon;  in cifs_construct_tcon()