906 static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)  in parse_cgroupfs_options()  argument
919 	memset(opts, 0, sizeof(*opts));  in parse_cgroupfs_options()
928 			opts->none = true;  in parse_cgroupfs_options()
939 			opts->flags |= CGRP_ROOT_NOPREFIX;  in parse_cgroupfs_options()
943 			opts->cpuset_clone_children = true;  in parse_cgroupfs_options()
947 			opts->flags |= CGRP_ROOT_CPUSET_V2_MODE;  in parse_cgroupfs_options()
951 			opts->flags |= CGRP_ROOT_XATTR;  in parse_cgroupfs_options()
956 			if (opts->release_agent)  in parse_cgroupfs_options()
958 			opts->release_agent =  in parse_cgroupfs_options()
960 			if (!opts->release_agent)  in parse_cgroupfs_options()
979 			if (opts->name)  in parse_cgroupfs_options()
981 			opts->name = kstrndup(name,  in parse_cgroupfs_options()
984 			if (!opts->name)  in parse_cgroupfs_options()
1001 			opts->subsys_mask |= (1 << i);  in parse_cgroupfs_options()
1015 	if (all_ss || (!one_ss && !opts->none && !opts->name))  in parse_cgroupfs_options()
1018 				opts->subsys_mask |= (1 << i);  in parse_cgroupfs_options()
1024 	if (!opts->subsys_mask && !opts->name)  in parse_cgroupfs_options()
1032 	if ((opts->flags & CGRP_ROOT_NOPREFIX) && (opts->subsys_mask & mask))  in parse_cgroupfs_options()
1036 	if (opts->subsys_mask && opts->none)  in parse_cgroupfs_options()
1046 	struct cgroup_sb_opts opts;  in cgroup1_remount()  local
1052 	ret = parse_cgroupfs_options(data, &opts);  in cgroup1_remount()
1056 	if (opts.subsys_mask != root->subsys_mask || opts.release_agent)  in cgroup1_remount()
1060 	added_mask = opts.subsys_mask & ~root->subsys_mask;  in cgroup1_remount()
1061 	removed_mask = root->subsys_mask & ~opts.subsys_mask;  in cgroup1_remount()
1064 	if ((opts.flags ^ root->flags) ||  in cgroup1_remount()
1065 	    (opts.name && strcmp(opts.name, root->name))) {  in cgroup1_remount()
1067 		       opts.flags, opts.name ?: "", root->flags, root->name);  in cgroup1_remount()
1084 	if (opts.release_agent) {  in cgroup1_remount()
1086 		strcpy(root->release_agent_path, opts.release_agent);  in cgroup1_remount()
1093 	kfree(opts.release_agent);  in cgroup1_remount()
1094 	kfree(opts.name);  in cgroup1_remount()
1113 	struct cgroup_sb_opts opts;  in cgroup1_mount()  local
1123 	ret = parse_cgroupfs_options(data, &opts);  in cgroup1_mount()
1135 		if (!(opts.subsys_mask & (1 << i)) ||  in cgroup1_mount()
1159 		if (opts.name) {  in cgroup1_mount()
1160 			if (strcmp(opts.name, root->name))  in cgroup1_mount()
1169 		if ((opts.subsys_mask || opts.none) &&  in cgroup1_mount()
1170 		    (opts.subsys_mask != root->subsys_mask)) {  in cgroup1_mount()
1177 		if (root->flags ^ opts.flags)  in cgroup1_mount()
1212 	if (!opts.subsys_mask && !opts.none) {  in cgroup1_mount()
1230 	init_cgroup_root(root, &opts);  in cgroup1_mount()
1232 	ret = cgroup_setup_root(root, opts.subsys_mask, PERCPU_REF_INIT_DEAD);  in cgroup1_mount()
1239 	kfree(opts.release_agent);  in cgroup1_mount()
1240 	kfree(opts.name);  in cgroup1_mount()