217 cifs_parse_security_flavors(struct fs_context *fc, char *value, struct smb3_fs_context *ctx)  in cifs_parse_security_flavors()  argument
231 		cifs_errorf(fc, "sec=krb5p is not supported. Use sec=krb5,seal instead\n");  in cifs_parse_security_flavors()
257 		cifs_errorf(fc, "bad security option: %s\n", value);  in cifs_parse_security_flavors()
265 cifs_parse_upcall_target(struct fs_context *fc, char *value, struct smb3_fs_context *ctx)  in cifs_parse_upcall_target()  argument
280 		cifs_errorf(fc, "bad upcall target: %s\n", value);  in cifs_parse_upcall_target()
297 cifs_parse_cache_flavor(struct fs_context *fc, char *value, struct smb3_fs_context *ctx)  in cifs_parse_cache_flavor()  argument
333 		cifs_errorf(fc, "bad cache= option: %s\n", value);  in cifs_parse_cache_flavor()
347 static int parse_reparse_flavor(struct fs_context *fc, char *value,  in parse_reparse_flavor()  argument
366 		cifs_errorf(fc, "bad reparse= option: %s\n", value);  in parse_reparse_flavor()
384 static int parse_symlink_flavor(struct fs_context *fc, char *value,  in parse_symlink_flavor()  argument
415 		cifs_errorf(fc, "bad symlink= option: %s\n", value);  in parse_symlink_flavor()
470 cifs_parse_smb_version(struct fs_context *fc, char *value, struct smb3_fs_context *ctx, bool is_smb…  in cifs_parse_smb_version()  argument
478 			cifs_errorf(fc, "mount with legacy dialect disabled\n");  in cifs_parse_smb_version()
482 			cifs_errorf(fc, "vers=1.0 (cifs) not permitted when mounting with smb3\n");  in cifs_parse_smb_version()
485 …cifs_errorf(fc, "Use of the less secure dialect vers=1.0 is not recommended unless required for ac…  in cifs_parse_smb_version()
491 			cifs_errorf(fc, "mount with legacy dialect disabled\n");  in cifs_parse_smb_version()
495 			cifs_errorf(fc, "vers=2.0 not permitted when mounting with smb3\n");  in cifs_parse_smb_version()
503 		cifs_errorf(fc, "vers=1.0 (cifs) mount not permitted when legacy dialects disabled\n");  in cifs_parse_smb_version()
506 		cifs_errorf(fc, "vers=2.0 mount not permitted when legacy dialects disabled\n");  in cifs_parse_smb_version()
534 		cifs_errorf(fc, "Unknown vers= option specified: %s\n", value);  in cifs_parse_smb_version()
714 static void smb3_fs_context_free(struct fs_context *fc);
715 static int smb3_fs_context_parse_param(struct fs_context *fc,
717 static int smb3_fs_context_parse_monolithic(struct fs_context *fc,
719 static int smb3_get_tree(struct fs_context *fc);
720 static int smb3_reconfigure(struct fs_context *fc);
742 static int smb3_fs_context_parse_monolithic(struct fs_context *fc,  in smb3_fs_context_parse_monolithic()  argument
751 	ret = security_sb_eat_lsm_opts(options, &fc->security);  in smb3_fs_context_parse_monolithic()
783 		ret = vfs_parse_fs_string(fc, key, value);  in smb3_fs_context_parse_monolithic()
794 static int smb3_fs_context_validate(struct fs_context *fc)  in smb3_fs_context_validate()  argument
796 	struct smb3_fs_context *ctx = smb3_fc2context(fc);  in smb3_fs_context_validate()
799 		cifs_errorf(fc, "SMB Direct requires Version >=3.0\n");  in smb3_fs_context_validate()
806 		cifs_errorf(fc, "Multiuser mounts require kernels with CONFIG_KEYS enabled\n");  in smb3_fs_context_validate()
816 		cifs_errorf(fc, "CIFS mount error: No usable UNC path provided in device string!\n");  in smb3_fs_context_validate()
822 		cifs_errorf(fc, "Malformed UNC. Unable to find share name.\n");  in smb3_fs_context_validate()
867 static int smb3_get_tree_common(struct fs_context *fc)  in smb3_get_tree_common()  argument
869 	struct smb3_fs_context *ctx = smb3_fc2context(fc);  in smb3_get_tree_common()
873 	root = cifs_smb3_do_mount(fc->fs_type, 0, ctx);  in smb3_get_tree_common()
877 	fc->root = root;  in smb3_get_tree_common()
885 static int smb3_get_tree(struct fs_context *fc)  in smb3_get_tree()  argument
887 	int err = smb3_fs_context_validate(fc);  in smb3_get_tree()
893 	ret = smb3_get_tree_common(fc);  in smb3_get_tree()
898 static void smb3_fs_context_free(struct fs_context *fc)  in smb3_fs_context_free()  argument
900 	struct smb3_fs_context *ctx = smb3_fc2context(fc);  in smb3_fs_context_free()
909 static int smb3_verify_reconfigure_ctx(struct fs_context *fc,  in smb3_verify_reconfigure_ctx()  argument
914 		cifs_errorf(fc, "can not change posixpaths during remount\n");  in smb3_verify_reconfigure_ctx()
918 		cifs_errorf(fc, "can not change sec during remount\n");  in smb3_verify_reconfigure_ctx()
922 		cifs_errorf(fc, "can not change multiuser during remount\n");  in smb3_verify_reconfigure_ctx()
927 		cifs_errorf(fc, "can not change UNC during remount\n");  in smb3_verify_reconfigure_ctx()
932 		cifs_errorf(fc, "can not change username during remount\n");  in smb3_verify_reconfigure_ctx()
938 			cifs_errorf(fc,  in smb3_verify_reconfigure_ctx()
942 			cifs_errorf(fc,  in smb3_verify_reconfigure_ctx()
949 		cifs_errorf(fc, "can not change domainname during remount\n");  in smb3_verify_reconfigure_ctx()
953 		cifs_errorf(fc, "can not change workstation_name during remount\n");  in smb3_verify_reconfigure_ctx()
958 		cifs_errorf(fc, "can not change nodename during remount\n");  in smb3_verify_reconfigure_ctx()
963 		cifs_errorf(fc, "can not change iocharset during remount\n");  in smb3_verify_reconfigure_ctx()
967 		cifs_errorf(fc, "can not change unicode during remount\n");  in smb3_verify_reconfigure_ctx()
971 		cifs_errorf(fc, "can not change nbsessinit during remount\n");  in smb3_verify_reconfigure_ctx()
1016 static int smb3_reconfigure(struct fs_context *fc)  in smb3_reconfigure()  argument
1018 	struct smb3_fs_context *ctx = smb3_fc2context(fc);  in smb3_reconfigure()
1019 	struct dentry *root = fc->root;  in smb3_reconfigure()
1030 	rc = smb3_verify_reconfigure_ctx(fc, ctx, cifs_sb->ctx, need_recon);  in smb3_reconfigure()
1105 	ctx->rsize = rsize ? CIFS_ALIGN_RSIZE(fc, rsize) : cifs_sb->ctx->rsize;  in smb3_reconfigure()
1106 	ctx->wsize = wsize ? CIFS_ALIGN_WSIZE(fc, wsize) : cifs_sb->ctx->wsize;  in smb3_reconfigure()
1119 static int smb3_fs_context_parse_param(struct fs_context *fc,  in smb3_fs_context_parse_param()  argument
1123 	struct smb3_fs_context *ctx = smb3_fc2context(fc);  in smb3_fs_context_parse_param()
1125 	bool is_smb3 = !strcmp(fc->fs_type->name, "smb3");  in smb3_fs_context_parse_param()
1149 		opt = fs_parse(fc, smb3_fs_parameters, param, &result);  in smb3_fs_context_parse_param()
1157 			cifs_errorf(fc, "CONFIG_CIFS_COMPRESSION kernel config option is unset\n");  in smb3_fs_context_parse_param()
1307 			cifs_errorf(fc, "%s: Invalid blocksize\n",  in smb3_fs_context_parse_param()
1311 		ctx->bsize = CIFS_ALIGN_BSIZE(fc, result.uint_32);  in smb3_fs_context_parse_param()
1328 			cifs_errorf(fc, "%s: Invalid rasize %d vs. %d\n",  in smb3_fs_context_parse_param()
1335 		ctx->rsize = CIFS_ALIGN_RSIZE(fc, result.uint_32);  in smb3_fs_context_parse_param()
1340 		ctx->wsize = CIFS_ALIGN_WSIZE(fc, result.uint_32);  in smb3_fs_context_parse_param()
1346 			cifs_errorf(fc, "acregmax too large\n");  in smb3_fs_context_parse_param()
1353 			cifs_errorf(fc, "acdirmax too large\n");  in smb3_fs_context_parse_param()
1360 			cifs_errorf(fc, "timeout too large\n");  in smb3_fs_context_parse_param()
1365 			cifs_errorf(fc, "actimeo ignored since acregmax or acdirmax specified\n");  in smb3_fs_context_parse_param()
1372 			cifs_errorf(fc, "closetimeo too large\n");  in smb3_fs_context_parse_param()
1380 			cifs_errorf(fc, "echo interval is out of bounds\n");  in smb3_fs_context_parse_param()
1390 			cifs_errorf(fc, "%s: Invalid max_credits value\n",  in smb3_fs_context_parse_param()
1398 			cifs_errorf(fc, "%s: Invalid max_channels value, needs to be 1-%d\n",  in smb3_fs_context_parse_param()
1409 			cifs_errorf(fc, "%s: Invalid max_cached_dirs, needs to be 1 or more\n",  in smb3_fs_context_parse_param()
1418 			cifs_errorf(fc, "Invalid handle cache timeout, longer than 16 minutes\n");  in smb3_fs_context_parse_param()
1429 			cifs_errorf(fc, "Unable to allocate memory for devname\n");  in smb3_fs_context_parse_param()
1432 			cifs_errorf(fc, "Malformed UNC in devname\n");  in smb3_fs_context_parse_param()
1435 			cifs_errorf(fc, "Unknown error parsing devname\n");  in smb3_fs_context_parse_param()
1441 			cifs_errorf(fc, "OOM when copying UNC string\n");  in smb3_fs_context_parse_param()
1444 		fc->source = kstrdup(ctx->source, GFP_KERNEL);  in smb3_fs_context_parse_param()
1445 		if (fc->source == NULL) {  in smb3_fs_context_parse_param()
1446 			cifs_errorf(fc, "OOM when copying UNC string\n");  in smb3_fs_context_parse_param()
1451 			cifs_errorf(fc, "Cannot extract hostname from UNC string\n");  in smb3_fs_context_parse_param()
1601 		if (cifs_parse_smb_version(fc, param->string, ctx, is_smb3) != 0)  in smb3_fs_context_parse_param()
1606 		if (cifs_parse_security_flavors(fc, param->string, ctx) != 0)  in smb3_fs_context_parse_param()
1610 		if (cifs_parse_upcall_target(fc, param->string, ctx) != 0)  in smb3_fs_context_parse_param()
1614 		if (cifs_parse_cache_flavor(fc, param->string, ctx) != 0)  in smb3_fs_context_parse_param()
1619 		cifs_errorf(fc, "Witness support needs CONFIG_CIFS_SWN_UPCALL config option\n");  in smb3_fs_context_parse_param()
1732 		cifs_errorf(fc, "FS-Cache support needs CONFIG_CIFS_FSCACHE kernel config option set\n");  in smb3_fs_context_parse_param()
1753 				cifs_errorf(fc, "persistenthandles mount options conflict\n");  in smb3_fs_context_parse_param()
1759 				cifs_errorf(fc, "persistenthandles mount options conflict\n");  in smb3_fs_context_parse_param()
1770 				cifs_errorf(fc, "persistenthandles mount options conflict\n");  in smb3_fs_context_parse_param()
1789 		if (parse_reparse_flavor(fc, param->string, ctx))  in smb3_fs_context_parse_param()
1796 		if (parse_symlink_flavor(fc, param->string, ctx))  in smb3_fs_context_parse_param()
1801 			cifs_errorf(fc, "symlinkroot mount options must be absolute path\n");  in smb3_fs_context_parse_param()
1805 			cifs_errorf(fc, "symlinkroot path too long (max path length: %u)\n",  in smb3_fs_context_parse_param()
1817 		cifs_errorf(fc, "multiuser mount option not supported with upcalltarget set as 'mount'\n");  in smb3_fs_context_parse_param()
1838 int smb3_init_fs_context(struct fs_context *fc)  in smb3_init_fs_context()  argument
1929 	fc->fs_private = ctx;  in smb3_init_fs_context()
1930 	fc->ops = &smb3_fs_context_ops;  in smb3_init_fs_context()