Lines Matching refs:ss
247 struct cgroup_subsys *ss);
488 struct cgroup_subsys *ss) in cgroup_css() argument
490 if (CGROUP_HAS_SUBSYS_CONFIG && ss) in cgroup_css()
491 return rcu_dereference_check(cgrp->subsys[ss->id], in cgroup_css()
508 struct cgroup_subsys *ss) in cgroup_e_css_by_mask() argument
512 if (!ss) in cgroup_e_css_by_mask()
519 while (!(cgroup_ss_mask(cgrp) & (1 << ss->id))) { in cgroup_e_css_by_mask()
525 return cgroup_css(cgrp, ss); in cgroup_e_css_by_mask()
542 struct cgroup_subsys *ss) in cgroup_e_css() argument
550 css = cgroup_css(cgrp, ss); in cgroup_e_css()
557 return init_css_set.subsys[ss->id]; in cgroup_e_css()
572 struct cgroup_subsys *ss) in cgroup_get_e_css() argument
582 css = cgroup_css(cgrp, ss); in cgroup_get_e_css()
589 css = init_css_set.subsys[ss->id]; in cgroup_get_e_css()
649 if (CGROUP_HAS_SUBSYS_CONFIG && cft->ss) in of_css()
650 return rcu_dereference_raw(cgrp->subsys[cft->ss->id]); in of_css()
680 #define do_each_subsys_mask(ss, ssid, ss_mask) do { \ argument
687 (ss) = cgroup_subsys[ssid]; \
915 struct cgroup_subsys *ss; in css_set_hash() local
918 for_each_subsys(ss, i) in css_set_hash()
928 struct cgroup_subsys *ss; in put_css_set_locked() local
939 for_each_subsys(ss, ssid) { in put_css_set_locked()
1056 struct cgroup_subsys *ss; in find_existing_css_set() local
1066 for_each_subsys(ss, i) { in find_existing_css_set()
1072 template[i] = cgroup_e_css_by_mask(cgrp, ss); in find_existing_css_set()
1177 struct cgroup_subsys *ss; in find_css_set() local
1239 for_each_subsys(ss, ssid) { in find_css_set()
1516 struct cgroup_subsys *ss = cft->ss; in cgroup_file_name() local
1518 if (cft->ss && !(cft->flags & CFTYPE_NO_PREFIX) && in cgroup_file_name()
1523 dbg, cgroup_on_dfl(cgrp) ? ss->name : ss->legacy_name, in cgroup_file_name()
1569 struct cgroup_subsys *ss; in cgroup_calc_subtree_ss_mask() local
1579 do_each_subsys_mask(ss, ssid, cur_ss_mask) { in cgroup_calc_subtree_ss_mask()
1580 new_ss_mask |= ss->depends_on; in cgroup_calc_subtree_ss_mask()
1678 struct cgroup_subsys_state *css = cgroup_css(cgrp, cft->ss); in cgroup_rm_file()
1705 if (!css->ss) { in css_clear_dir()
1717 list_for_each_entry(cfts, &css->ss->cfts, node) in css_clear_dir()
1737 if (!css->ss) { in css_populate_dir()
1760 list_for_each_entry(cfts, &css->ss->cfts, node) { in css_populate_dir()
1773 list_for_each_entry(cfts, &css->ss->cfts, node) { in css_populate_dir()
1784 struct cgroup_subsys *ss; in rebind_subsystems() local
1790 do_each_subsys_mask(ss, ssid, ss_mask) { in rebind_subsystems()
1796 if (css_next_child(NULL, cgroup_css(&ss->root->cgrp, ss)) && in rebind_subsystems()
1797 !ss->implicit_on_dfl) in rebind_subsystems()
1801 if (ss->root != &cgrp_dfl_root && dst_root != &cgrp_dfl_root) in rebind_subsystems()
1808 if (ss->root == &cgrp_dfl_root) in rebind_subsystems()
1825 do_each_subsys_mask(ss, ssid, ss_mask) { in rebind_subsystems()
1826 struct cgroup_root *src_root = ss->root; in rebind_subsystems()
1828 struct cgroup_subsys_state *css = cgroup_css(scgrp, ss); in rebind_subsystems()
1832 WARN_ON(!css || cgroup_css(dcgrp, ss)); in rebind_subsystems()
1844 ss->root = dst_root; in rebind_subsystems()
1848 WARN_ON(!list_empty(&dcgrp->e_csets[ss->id])); in rebind_subsystems()
1849 list_for_each_entry_safe(cset, cset_pos, &scgrp->e_csets[ss->id], in rebind_subsystems()
1850 e_cset_node[ss->id]) { in rebind_subsystems()
1851 list_move_tail(&cset->e_cset_node[ss->id], in rebind_subsystems()
1852 &dcgrp->e_csets[ss->id]); in rebind_subsystems()
1861 if (it->cset_head == &scgrp->e_csets[ss->id]) in rebind_subsystems()
1862 it->cset_head = &dcgrp->e_csets[ss->id]; in rebind_subsystems()
1866 if (ss->css_rstat_flush) { in rebind_subsystems()
1885 ss->name, ret); in rebind_subsystems()
1887 if (ss->bind) in rebind_subsystems()
1888 ss->bind(css); in rebind_subsystems()
2042 struct cgroup_subsys *ss; in init_cgroup_housekeeping() local
2058 for_each_subsys(ss, ssid) in init_cgroup_housekeeping()
2564 struct cgroup_subsys *ss; in cgroup_migrate_execute() local
2571 do_each_subsys_mask(ss, ssid, mgctx->ss_mask) { in cgroup_migrate_execute()
2572 if (ss->can_attach) { in cgroup_migrate_execute()
2574 ret = ss->can_attach(tset); in cgroup_migrate_execute()
2618 do_each_subsys_mask(ss, ssid, mgctx->ss_mask) { in cgroup_migrate_execute()
2619 if (ss->attach) { in cgroup_migrate_execute()
2621 ss->attach(tset); in cgroup_migrate_execute()
2631 do_each_subsys_mask(ss, ssid, mgctx->ss_mask) { in cgroup_migrate_execute()
2634 if (ss->cancel_attach) { in cgroup_migrate_execute()
2636 ss->cancel_attach(tset); in cgroup_migrate_execute()
2801 struct cgroup_subsys *ss; in cgroup_migrate_prepare_dst() local
2832 for_each_subsys(ss, ssid) in cgroup_migrate_prepare_dst()
2979 struct cgroup_subsys *ss; in cgroup_procs_write_finish() local
2987 for_each_subsys(ss, ssid) in cgroup_procs_write_finish()
2988 if (ss->post_attach) in cgroup_procs_write_finish()
2989 ss->post_attach(); in cgroup_procs_write_finish()
2994 struct cgroup_subsys *ss; in cgroup_print_ss_mask() local
2998 do_each_subsys_mask(ss, ssid, ss_mask) { in cgroup_print_ss_mask()
3001 seq_puts(seq, ss->name); in cgroup_print_ss_mask()
3110 struct cgroup_subsys *ss; in cgroup_lock_and_drain_offline() local
3117 for_each_subsys(ss, ssid) { in cgroup_lock_and_drain_offline()
3118 struct cgroup_subsys_state *css = cgroup_css(dsct, ss); in cgroup_lock_and_drain_offline()
3201 struct cgroup_subsys *ss = css->ss; in css_visible() local
3204 if (cgroup_control(cgrp) & (1 << ss->id)) in css_visible()
3206 if (!(cgroup_ss_mask(cgrp) & (1 << ss->id))) in css_visible()
3208 return cgroup_on_dfl(cgrp) && ss->implicit_on_dfl; in css_visible()
3228 struct cgroup_subsys *ss; in cgroup_apply_control_enable() local
3232 for_each_subsys(ss, ssid) { in cgroup_apply_control_enable()
3233 struct cgroup_subsys_state *css = cgroup_css(dsct, ss); in cgroup_apply_control_enable()
3235 if (!(cgroup_ss_mask(dsct) & (1 << ss->id))) in cgroup_apply_control_enable()
3239 css = css_create(dsct, ss); in cgroup_apply_control_enable()
3274 struct cgroup_subsys *ss; in cgroup_apply_control_disable() local
3278 for_each_subsys(ss, ssid) { in cgroup_apply_control_disable()
3279 struct cgroup_subsys_state *css = cgroup_css(dsct, ss); in cgroup_apply_control_disable()
3287 !(cgroup_ss_mask(dsct) & (1 << ss->id))) { in cgroup_apply_control_disable()
3291 if (ss->css_reset) in cgroup_apply_control_disable()
3292 ss->css_reset(css); in cgroup_apply_control_disable()
3397 struct cgroup_subsys *ss; in cgroup_subtree_control_write() local
3409 do_each_subsys_mask(ss, ssid, ~cgrp_dfl_inhibit_ss_mask) { in cgroup_subtree_control_write()
3411 strcmp(tok + 1, ss->name)) in cgroup_subtree_control_write()
3433 for_each_subsys(ss, ssid) { in cgroup_subtree_control_write()
3726 struct cgroup_subsys *ss) in cgroup_tryget_css() argument
3731 css = cgroup_css(cgrp, ss); in cgroup_tryget_css()
3742 struct cgroup_subsys *ss = cgroup_subsys[ssid]; in cgroup_extra_stat_show() local
3746 if (!ss->css_extra_stat_show) in cgroup_extra_stat_show()
3749 css = cgroup_tryget_css(cgrp, ss); in cgroup_extra_stat_show()
3753 ret = ss->css_extra_stat_show(seq, css); in cgroup_extra_stat_show()
3761 struct cgroup_subsys *ss = cgroup_subsys[ssid]; in cgroup_local_stat_show() local
3765 if (!ss->css_local_stat_show) in cgroup_local_stat_show()
3768 css = cgroup_tryget_css(cgrp, ss); in cgroup_local_stat_show()
3772 ret = ss->css_local_stat_show(seq, css); in cgroup_local_stat_show()
4147 css = cgroup_css(cgrp, cft->ss); in cgroup_file_write()
4318 struct cgroup_subsys *ss = cfts[0].ss; in cgroup_apply_cftypes() local
4319 struct cgroup *root = &ss->root->cgrp; in cgroup_apply_cftypes()
4326 css_for_each_descendant_pre(css, cgroup_css(root, ss)) { in cgroup_apply_cftypes()
4351 cft->ss = NULL; in cgroup_exit_cftypes()
4359 static int cgroup_init_cftypes(struct cgroup_subsys *ss, struct cftype *cfts) in cgroup_init_cftypes() argument
4367 WARN_ON(cft->ss || cft->kf_ops); in cgroup_init_cftypes()
4393 cft->ss = ss; in cgroup_init_cftypes()
4450 static int cgroup_add_cftypes(struct cgroup_subsys *ss, struct cftype *cfts) in cgroup_add_cftypes() argument
4454 if (!cgroup_ssid_enabled(ss->id)) in cgroup_add_cftypes()
4460 ret = cgroup_init_cftypes(ss, cfts); in cgroup_add_cftypes()
4466 list_add_tail(&cfts->node, &ss->cfts); in cgroup_add_cftypes()
4483 int cgroup_add_dfl_cftypes(struct cgroup_subsys *ss, struct cftype *cfts) in cgroup_add_dfl_cftypes() argument
4489 return cgroup_add_cftypes(ss, cfts); in cgroup_add_dfl_cftypes()
4500 int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts) in cgroup_add_legacy_cftypes() argument
4506 return cgroup_add_cftypes(ss, cfts); in cgroup_add_legacy_cftypes()
4814 if (it->ss) { in css_task_iter_next_css_set()
4815 cset = container_of(l, struct css_set, e_cset_node[it->ss->id]); in css_task_iter_next_css_set()
4976 it->ss = css->ss; in css_task_iter_start()
4979 if (CGROUP_HAS_SUBSYS_CONFIG && it->ss) in css_task_iter_start()
4980 it->cset_pos = &css->cgroup->e_csets[css->ss->id]; in css_task_iter_start()
5400 struct cgroup_subsys *ss = css->ss; in css_free_rwork_fn() local
5405 if (ss) { in css_free_rwork_fn()
5410 ss->css_free(css); in css_free_rwork_fn()
5411 cgroup_idr_remove(&ss->css_idr, id); in css_free_rwork_fn()
5451 struct cgroup_subsys *ss = css->ss; in css_release_work_fn() local
5459 if (ss) { in css_release_work_fn()
5468 cgroup_idr_replace(&ss->css_idr, NULL, css->id); in css_release_work_fn()
5469 if (ss->css_released) in css_release_work_fn()
5470 ss->css_released(css); in css_release_work_fn()
5472 cgrp->nr_dying_subsys[ss->id]--; in css_release_work_fn()
5483 parent_cgrp->nr_dying_subsys[ss->id]--; in css_release_work_fn()
5528 struct cgroup_subsys *ss, struct cgroup *cgrp) in init_and_link_css() argument
5536 css->ss = ss; in init_and_link_css()
5545 css->parent = cgroup_css(cgroup_parent(cgrp), ss); in init_and_link_css()
5549 if (ss->css_rstat_flush) in init_and_link_css()
5552 BUG_ON(cgroup_css(cgrp, ss)); in init_and_link_css()
5558 struct cgroup_subsys *ss = css->ss; in online_css() local
5563 if (ss->css_online) in online_css()
5564 ret = ss->css_online(css); in online_css()
5567 rcu_assign_pointer(css->cgroup->subsys[ss->id], css); in online_css()
5582 struct cgroup_subsys *ss = css->ss; in offline_css() local
5589 if (ss->css_offline) in offline_css()
5590 ss->css_offline(css); in offline_css()
5593 RCU_INIT_POINTER(css->cgroup->subsys[ss->id], NULL); in offline_css()
5597 css->cgroup->nr_dying_subsys[ss->id]++; in offline_css()
5604 css->cgroup->nr_dying_subsys[ss->id]++; in offline_css()
5618 struct cgroup_subsys *ss) in css_create() argument
5621 struct cgroup_subsys_state *parent_css = cgroup_css(parent, ss); in css_create()
5627 css = ss->css_alloc(parent_css); in css_create()
5633 init_and_link_css(css, ss, cgrp); in css_create()
5639 err = cgroup_idr_alloc(&ss->css_idr, NULL, 2, 0, GFP_KERNEL); in css_create()
5646 cgroup_idr_replace(&ss->css_idr, css, css->id); in css_create()
6060 static void __init cgroup_init_subsys(struct cgroup_subsys *ss, bool early) in cgroup_init_subsys() argument
6064 pr_debug("Initializing cgroup subsys %s\n", ss->name); in cgroup_init_subsys()
6068 idr_init(&ss->css_idr); in cgroup_init_subsys()
6069 INIT_LIST_HEAD(&ss->cfts); in cgroup_init_subsys()
6072 ss->root = &cgrp_dfl_root; in cgroup_init_subsys()
6073 css = ss->css_alloc(NULL); in cgroup_init_subsys()
6076 init_and_link_css(css, ss, &cgrp_dfl_root.cgrp); in cgroup_init_subsys()
6088 css->id = cgroup_idr_alloc(&ss->css_idr, css, 1, 2, GFP_KERNEL); in cgroup_init_subsys()
6096 init_css_set.subsys[ss->id] = css; in cgroup_init_subsys()
6098 have_fork_callback |= (bool)ss->fork << ss->id; in cgroup_init_subsys()
6099 have_exit_callback |= (bool)ss->exit << ss->id; in cgroup_init_subsys()
6100 have_release_callback |= (bool)ss->release << ss->id; in cgroup_init_subsys()
6101 have_canfork_callback |= (bool)ss->can_fork << ss->id; in cgroup_init_subsys()
6122 struct cgroup_subsys *ss; in cgroup_init_early() local
6131 for_each_subsys(ss, i) { in cgroup_init_early()
6132 WARN(!ss->css_alloc || !ss->css_free || ss->name || ss->id, in cgroup_init_early()
6134 i, cgroup_subsys_name[i], ss->css_alloc, ss->css_free, in cgroup_init_early()
6135 ss->id, ss->name); in cgroup_init_early()
6139 ss->id = i; in cgroup_init_early()
6140 ss->name = cgroup_subsys_name[i]; in cgroup_init_early()
6141 if (!ss->legacy_name) in cgroup_init_early()
6142 ss->legacy_name = cgroup_subsys_name[i]; in cgroup_init_early()
6144 if (ss->early_init) in cgroup_init_early()
6145 cgroup_init_subsys(ss, true); in cgroup_init_early()
6158 struct cgroup_subsys *ss; in cgroup_init() local
6183 for_each_subsys(ss, ssid) { in cgroup_init()
6184 if (ss->early_init) { in cgroup_init()
6186 init_css_set.subsys[ss->id]; in cgroup_init()
6188 css->id = cgroup_idr_alloc(&ss->css_idr, css, 1, 2, in cgroup_init()
6192 cgroup_init_subsys(ss, false); in cgroup_init()
6208 ss->legacy_name); in cgroup_init()
6210 cgrp_dfl_root.subsys_mask |= 1 << ss->id; in cgroup_init()
6213 WARN_ON(ss->implicit_on_dfl && !ss->threaded); in cgroup_init()
6215 if (ss->implicit_on_dfl) in cgroup_init()
6216 cgrp_dfl_implicit_ss_mask |= 1 << ss->id; in cgroup_init()
6217 else if (!ss->dfl_cftypes) in cgroup_init()
6218 cgrp_dfl_inhibit_ss_mask |= 1 << ss->id; in cgroup_init()
6220 if (ss->threaded) in cgroup_init()
6221 cgrp_dfl_threaded_ss_mask |= 1 << ss->id; in cgroup_init()
6223 if (ss->dfl_cftypes == ss->legacy_cftypes) { in cgroup_init()
6224 WARN_ON(cgroup_add_cftypes(ss, ss->dfl_cftypes)); in cgroup_init()
6226 WARN_ON(cgroup_add_dfl_cftypes(ss, ss->dfl_cftypes)); in cgroup_init()
6227 WARN_ON(cgroup_add_legacy_cftypes(ss, ss->legacy_cftypes)); in cgroup_init()
6230 if (ss->bind) in cgroup_init()
6231 ss->bind(init_css_set.subsys[ssid]); in cgroup_init()
6344 struct cgroup_subsys *ss; in proc_cgroup_show() local
6358 for_each_subsys(ss, ssid) in proc_cgroup_show()
6361 ss->legacy_name); in proc_cgroup_show()
6609 struct cgroup_subsys *ss; in cgroup_can_fork() local
6616 do_each_subsys_mask(ss, i, have_canfork_callback) { in cgroup_can_fork()
6617 ret = ss->can_fork(child, kargs->cset); in cgroup_can_fork()
6625 for_each_subsys(ss, j) { in cgroup_can_fork()
6628 if (ss->cancel_fork) in cgroup_can_fork()
6629 ss->cancel_fork(child, kargs->cset); in cgroup_can_fork()
6649 struct cgroup_subsys *ss; in cgroup_cancel_fork() local
6652 for_each_subsys(ss, i) in cgroup_cancel_fork()
6653 if (ss->cancel_fork) in cgroup_cancel_fork()
6654 ss->cancel_fork(child, kargs->cset); in cgroup_cancel_fork()
6674 struct cgroup_subsys *ss; in cgroup_post_fork() local
6736 do_each_subsys_mask(ss, i, have_fork_callback) { in cgroup_post_fork()
6737 ss->fork(child); in cgroup_post_fork()
6765 struct cgroup_subsys *ss; in cgroup_exit() local
6790 do_each_subsys_mask(ss, i, have_exit_callback) { in cgroup_exit()
6791 ss->exit(tsk); in cgroup_exit()
6797 struct cgroup_subsys *ss; in cgroup_release() local
6800 do_each_subsys_mask(ss, ssid, have_release_callback) { in cgroup_release()
6801 ss->release(task); in cgroup_release()
6820 struct cgroup_subsys *ss; in cgroup_disable() local
6828 for_each_subsys(ss, i) { in cgroup_disable()
6829 if (strcmp(token, ss->name) && in cgroup_disable()
6830 strcmp(token, ss->legacy_name)) in cgroup_disable()
6835 ss->name); in cgroup_disable()
6877 struct cgroup_subsys *ss) in css_tryget_online_from_dir() argument
6898 css = cgroup_css(cgrp, ss); in css_tryget_online_from_dir()
6915 struct cgroup_subsys_state *css_from_id(int id, struct cgroup_subsys *ss) in css_from_id() argument
6918 return idr_find(&ss->css_idr, id); in css_from_id()
7124 struct cgroup_subsys *ss; in delegate_show() local
7134 for_each_subsys(ss, ssid) in delegate_show()
7135 ret += show_delegatable_files(ss->dfl_cftypes, buf + ret, in delegate_show()