317 	struct cifs_tcon *tcon;  in cifs_reconnect()  local
347 			tcon = list_entry(tmp2, struct cifs_tcon, tcon_list);  in cifs_reconnect()
348 			tcon->need_reconnect = true;  in cifs_reconnect()
2584 static int match_tcon(struct cifs_tcon *tcon, const char *unc)  in match_tcon()  argument
2586 	if (tcon->tidStatus == CifsExiting)  in match_tcon()
2588 	if (strncmp(tcon->treeName, unc, MAX_TREE_SIZE))  in match_tcon()
2597 	struct cifs_tcon *tcon;  in cifs_find_tcon()  local
2601 		tcon = list_entry(tmp, struct cifs_tcon, tcon_list);  in cifs_find_tcon()
2602 		if (!match_tcon(tcon, unc))  in cifs_find_tcon()
2604 		++tcon->tc_count;  in cifs_find_tcon()
2606 		return tcon;  in cifs_find_tcon()
2613 cifs_put_tcon(struct cifs_tcon *tcon)  in cifs_put_tcon()  argument
2616 	struct cifs_ses *ses = tcon->ses;  in cifs_put_tcon()
2618 	cifs_dbg(FYI, "%s: tc_count=%d\n", __func__, tcon->tc_count);  in cifs_put_tcon()
2620 	if (--tcon->tc_count > 0) {  in cifs_put_tcon()
2625 	list_del_init(&tcon->tcon_list);  in cifs_put_tcon()
2630 		ses->server->ops->tree_disconnect(xid, tcon);  in cifs_put_tcon()
2633 	cifs_fscache_release_super_cookie(tcon);  in cifs_put_tcon()
2634 	tconInfoFree(tcon);  in cifs_put_tcon()
2642 	struct cifs_tcon *tcon;  in cifs_get_tcon()  local
2644 	tcon = cifs_find_tcon(ses, volume_info->UNC);  in cifs_get_tcon()
2645 	if (tcon) {  in cifs_get_tcon()
2649 		if (tcon->seal != volume_info->seal)  in cifs_get_tcon()
2651 		return tcon;  in cifs_get_tcon()
2659 	tcon = tconInfoAlloc();  in cifs_get_tcon()
2660 	if (tcon == NULL) {  in cifs_get_tcon()
2665 	tcon->ses = ses;  in cifs_get_tcon()
2667 		tcon->password = kstrdup(volume_info->password, GFP_KERNEL);  in cifs_get_tcon()
2668 		if (!tcon->password) {  in cifs_get_tcon()
2679 	rc = ses->server->ops->tree_connect(xid, ses, volume_info->UNC, tcon,  in cifs_get_tcon()
2687 		tcon->Flags &= ~SMB_SHARE_IS_IN_DFS;  in cifs_get_tcon()
2688 		cifs_dbg(FYI, "DFS disabled (%d)\n", tcon->Flags);  in cifs_get_tcon()
2690 	tcon->seal = volume_info->seal;  in cifs_get_tcon()
2691 	tcon->use_persistent = false;  in cifs_get_tcon()
2702 			tcon->use_persistent = true;  in cifs_get_tcon()
2711 	} else if ((tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY)  in cifs_get_tcon()
2715 		tcon->use_persistent = true;  in cifs_get_tcon()
2724 		tcon->use_resilient = true;  in cifs_get_tcon()
2732 	tcon->retry = volume_info->retry;  in cifs_get_tcon()
2733 	tcon->nocase = volume_info->nocase;  in cifs_get_tcon()
2734 	tcon->local_lease = volume_info->local_lease;  in cifs_get_tcon()
2735 	INIT_LIST_HEAD(&tcon->pending_opens);  in cifs_get_tcon()
2738 	list_add(&tcon->tcon_list, &ses->tcon_list);  in cifs_get_tcon()
2741 	cifs_fscache_get_super_cookie(tcon);  in cifs_get_tcon()
2743 	return tcon;  in cifs_get_tcon()
2746 	tconInfoFree(tcon);  in cifs_get_tcon()
2821 	struct cifs_tcon *tcon;  in cifs_match_super()  local
2832 	tcon = tlink_tcon(tlink);  in cifs_match_super()
2833 	ses = tcon->ses;  in cifs_match_super()
2840 	    !match_tcon(tcon, volume_info->UNC)) {  in cifs_match_super()
3155 void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon,  in reset_cifs_unix_caps()  argument
3167 	__u64 saved_cap = le64_to_cpu(tcon->fsUnixInfo.Capability);  in reset_cifs_unix_caps()
3170 		tcon->fsUnixInfo.Capability = 0;  in reset_cifs_unix_caps()
3171 		tcon->unix_ext = 0; /* Unix Extensions disabled */  in reset_cifs_unix_caps()
3175 		tcon->unix_ext = 1; /* Unix Extensions supported */  in reset_cifs_unix_caps()
3177 	if (tcon->unix_ext == 0) {  in reset_cifs_unix_caps()
3182 	if (!CIFSSMBQFSUnixInfo(xid, tcon)) {  in reset_cifs_unix_caps()
3183 		__u64 cap = le64_to_cpu(tcon->fsUnixInfo.Capability);  in reset_cifs_unix_caps()
3245 		if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) {  in reset_cifs_unix_caps()
3524 	struct cifs_tcon *tcon;  in cifs_mount()  local
3540 		if (tcon)  in cifs_mount()
3541 			cifs_put_tcon(tcon);  in cifs_mount()
3551 	tcon = NULL;  in cifs_mount()
3585 	tcon = cifs_get_tcon(ses, volume_info);  in cifs_mount()
3586 	if (IS_ERR(tcon)) {  in cifs_mount()
3587 		rc = PTR_ERR(tcon);  in cifs_mount()
3588 		tcon = NULL;  in cifs_mount()
3593 	if (cap_unix(tcon->ses)) {  in cifs_mount()
3596 		reset_cifs_unix_caps(xid, tcon, cifs_sb, volume_info);  in cifs_mount()
3597 		if ((tcon->ses->server->tcpStatus == CifsNeedReconnect) &&  in cifs_mount()
3598 		    (le64_to_cpu(tcon->fsUnixInfo.Capability) &  in cifs_mount()
3604 		tcon->unix_ext = 0; /* server does not support them */  in cifs_mount()
3607 	if (!tcon->ipc && server->ops->qfs_tcon)  in cifs_mount()
3608 		server->ops->qfs_tcon(xid, tcon);  in cifs_mount()
3610 	cifs_sb->wsize = server->ops->negotiate_wsize(tcon, volume_info);  in cifs_mount()
3611 	cifs_sb->rsize = server->ops->negotiate_rsize(tcon, volume_info);  in cifs_mount()
3636 	if (!rc && tcon) {  in cifs_mount()
3644 		full_path = cifs_build_path_to_root(volume_info, cifs_sb, tcon);  in cifs_mount()
3649 		rc = server->ops->is_path_accessible(xid, tcon, cifs_sb,  in cifs_mount()
3695 	tlink->tl_tcon = tcon;  in cifs_mount()
3713 		if (tcon)  in cifs_mount()
3714 			cifs_put_tcon(tcon);  in cifs_mount()
3733 	 const char *tree, struct cifs_tcon *tcon,  in CIFSTCon()  argument
3765 	if (!tcon || (ses->server->sec_mode & SECMODE_USER)) {  in CIFSTCon()
3781 			calc_lanman_hash(tcon->password, ses->server->cryptkey,  in CIFSTCon()
3787 		rc = SMBNTencrypt(tcon->password, ses->server->cryptkey,  in CIFSTCon()
3837 	if ((rc == 0) && (tcon != NULL)) {  in CIFSTCon()
3840 		tcon->tidStatus = CifsGood;  in CIFSTCon()
3841 		tcon->need_reconnect = false;  in CIFSTCon()
3842 		tcon->tid = smb_buffer_response->Tid;  in CIFSTCon()
3857 				tcon->ipc = 1;  in CIFSTCon()
3867 		strlcpy(tcon->treeName, tree, sizeof(tcon->treeName));  in CIFSTCon()
3870 		kfree(tcon->nativeFileSystem);  in CIFSTCon()
3871 		tcon->nativeFileSystem = cifs_strndup_from_utf16(bcc_ptr,  in CIFSTCon()
3875 		cifs_dbg(FYI, "nativeFileSystem=%s\n", tcon->nativeFileSystem);  in CIFSTCon()
3880 			tcon->Flags = le16_to_cpu(pSMBr->OptionalSupport);  in CIFSTCon()
3882 			tcon->Flags = 0;  in CIFSTCon()
3883 		cifs_dbg(FYI, "Tcon flags: 0x%x\n", tcon->Flags);  in CIFSTCon()
3884 	} else if ((rc == 0) && tcon == NULL) {  in CIFSTCon()
3996 	struct cifs_tcon *tcon = NULL;  in cifs_construct_tcon()  local
4016 		tcon = ERR_PTR(rc);  in cifs_construct_tcon()
4027 		tcon = (struct cifs_tcon *)ses;  in cifs_construct_tcon()
4032 	tcon = cifs_get_tcon(ses, vol_info);  in cifs_construct_tcon()
4033 	if (IS_ERR(tcon)) {  in cifs_construct_tcon()
4039 		reset_cifs_unix_caps(0, tcon, NULL, vol_info);  in cifs_construct_tcon()
4045 	return tcon;  in cifs_construct_tcon()