1351 static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)  in parse_cgroupfs_options()  argument
1364 	memset(opts, 0, sizeof(*opts));  in parse_cgroupfs_options()
1373 			opts->none = true;  in parse_cgroupfs_options()
1384 			opts->flags |= CGRP_ROOT_SANE_BEHAVIOR;  in parse_cgroupfs_options()
1388 			opts->flags |= CGRP_ROOT_NOPREFIX;  in parse_cgroupfs_options()
1392 			opts->cpuset_clone_children = true;  in parse_cgroupfs_options()
1396 			opts->flags |= CGRP_ROOT_XATTR;  in parse_cgroupfs_options()
1401 			if (opts->release_agent)  in parse_cgroupfs_options()
1403 			opts->release_agent =  in parse_cgroupfs_options()
1405 			if (!opts->release_agent)  in parse_cgroupfs_options()
1424 			if (opts->name)  in parse_cgroupfs_options()
1426 			opts->name = kstrndup(name,  in parse_cgroupfs_options()
1429 			if (!opts->name)  in parse_cgroupfs_options()
1444 			opts->subsys_mask |= (1 << i);  in parse_cgroupfs_options()
1453 	if (opts->flags & CGRP_ROOT_SANE_BEHAVIOR) {  in parse_cgroupfs_options()
1467 	if (all_ss || (!one_ss && !opts->none && !opts->name))  in parse_cgroupfs_options()
1470 				opts->subsys_mask |= (1 << i);  in parse_cgroupfs_options()
1476 	if (!opts->subsys_mask && !opts->name)  in parse_cgroupfs_options()
1484 	if ((opts->flags & CGRP_ROOT_NOPREFIX) && (opts->subsys_mask & mask))  in parse_cgroupfs_options()
1488 	if (opts->subsys_mask && opts->none)  in parse_cgroupfs_options()
1498 	struct cgroup_sb_opts opts;  in cgroup_remount()  local
1509 	ret = parse_cgroupfs_options(data, &opts);  in cgroup_remount()
1513 	if (opts.subsys_mask != root->subsys_mask || opts.release_agent)  in cgroup_remount()
1517 	added_mask = opts.subsys_mask & ~root->subsys_mask;  in cgroup_remount()
1518 	removed_mask = root->subsys_mask & ~opts.subsys_mask;  in cgroup_remount()
1521 	if ((opts.flags ^ root->flags) ||  in cgroup_remount()
1522 	    (opts.name && strcmp(opts.name, root->name))) {  in cgroup_remount()
1524 		       opts.flags, opts.name ?: "", root->flags, root->name);  in cgroup_remount()
1541 	if (opts.release_agent) {  in cgroup_remount()
1543 		strcpy(root->release_agent_path, opts.release_agent);  in cgroup_remount()
1547 	kfree(opts.release_agent);  in cgroup_remount()
1548 	kfree(opts.name);  in cgroup_remount()
1626 			     struct cgroup_sb_opts *opts)  in init_cgroup_root()  argument
1636 	root->flags = opts->flags;  in init_cgroup_root()
1637 	if (opts->release_agent)  in init_cgroup_root()
1638 		strcpy(root->release_agent_path, opts->release_agent);  in init_cgroup_root()
1639 	if (opts->name)  in init_cgroup_root()
1640 		strcpy(root->name, opts->name);  in init_cgroup_root()
1641 	if (opts->cpuset_clone_children)  in init_cgroup_root()
1744 	struct cgroup_sb_opts opts;  in cgroup_mount()  local
1760 	ret = parse_cgroupfs_options(data, &opts);  in cgroup_mount()
1765 	if (opts.flags & CGRP_ROOT_SANE_BEHAVIOR) {  in cgroup_mount()
1781 		if (!(opts.subsys_mask & (1 << i)) ||  in cgroup_mount()
1805 		if (opts.name) {  in cgroup_mount()
1806 			if (strcmp(opts.name, root->name))  in cgroup_mount()
1815 		if ((opts.subsys_mask || opts.none) &&  in cgroup_mount()
1816 		    (opts.subsys_mask != root->subsys_mask)) {  in cgroup_mount()
1823 		if (root->flags ^ opts.flags)  in cgroup_mount()
1858 	if (!opts.subsys_mask && !opts.none) {  in cgroup_mount()
1869 	init_cgroup_root(root, &opts);  in cgroup_mount()
1871 	ret = cgroup_setup_root(root, opts.subsys_mask);  in cgroup_mount()
1878 	kfree(opts.release_agent);  in cgroup_mount()
1879 	kfree(opts.name);  in cgroup_mount()
4965 	static struct cgroup_sb_opts __initdata opts;  in cgroup_init_early()  local
4969 	init_cgroup_root(&cgrp_dfl_root, &opts);  in cgroup_init_early()