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cgroup: rename functions for consistency 

Now that v1 functions are separated out, rename some functions for
consistency.

 cgroup_dfl_base_files		-> cgroup_base_files
 cgroup_legacy_base_files	-> cgroup1_base_files
 cgroup_ssid_no_v1()		-> cgroup1_ssid_disabled()
 cgroup_pidlist_destroy_all	-> cgroup1_pidlist_destroy_all()
 cgroup_release_agent()		-> cgroup1_release_agent()
 check_for_release()		-> cgroup1_check_for_release()

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Acked-by: Zefan Li <lizefan@huawei.com>
This commit is contained in:
Tejun Heo 2016-12-27 14:49:08 -05:00
parent 1592c9b223
commit d62beb7f3d
3 changed files with 23 additions and 23 deletions
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10
kernel/cgroup/cgroup-internal.h
View File

@ -110,14 +110,14 @@ int cgroup_show_path(struct seq_file *sf, struct kernfs_node *kf_node,
/*
* cgroup-v1.c
*/
extern struct cftype cgroup_legacy_base_files[];
extern struct cftype cgroup1_base_files[];
extern const struct file_operations proc_cgroupstats_operations;
extern struct kernfs_syscall_ops cgroup1_kf_syscall_ops;
bool cgroup_ssid_no_v1(int ssid);
void cgroup_pidlist_destroy_all(struct cgroup *cgrp);
void cgroup_release_agent(struct work_struct *work);
void check_for_release(struct cgroup *cgrp);
bool cgroup1_ssid_disabled(int ssid);
void cgroup1_pidlist_destroy_all(struct cgroup *cgrp);
void cgroup1_release_agent(struct work_struct *work);
void cgroup1_check_for_release(struct cgroup *cgrp);
struct dentry *cgroup1_mount(struct file_system_type *fs_type, int flags,
void *data, unsigned long magic,
struct cgroup_namespace *ns);

14
kernel/cgroup/cgroup-v1.c
View File

@ -36,7 +36,7 @@ static struct workqueue_struct *cgroup_pidlist_destroy_wq;
*/
static DEFINE_SPINLOCK(release_agent_path_lock);
bool cgroup_ssid_no_v1(int ssid)
bool cgroup1_ssid_disabled(int ssid)
{
return cgroup_no_v1_mask & (1 << ssid);
}
@ -201,7 +201,7 @@ static void pidlist_free(void *p)
* Used to destroy all pidlists lingering waiting for destroy timer. None
* should be left afterwards.
*/
void cgroup_pidlist_destroy_all(struct cgroup *cgrp)
void cgroup1_pidlist_destroy_all(struct cgroup *cgrp)
{
struct cgroup_pidlist *l, *tmp_l;
@ -585,7 +585,7 @@ static int cgroup_clone_children_write(struct cgroup_subsys_state *css,
}
/* cgroup core interface files for the legacy hierarchies */
struct cftype cgroup_legacy_base_files[] = {
struct cftype cgroup1_base_files[] = {
{
.name = "cgroup.procs",
.seq_start = cgroup_pidlist_start,
@ -729,7 +729,7 @@ int cgroupstats_build(struct cgroupstats *stats, struct dentry *dentry)
return 0;
}
void check_for_release(struct cgroup *cgrp)
void cgroup1_check_for_release(struct cgroup *cgrp)
{
if (notify_on_release(cgrp) && !cgroup_is_populated(cgrp) &&
!css_has_online_children(&cgrp->self) && !cgroup_is_dead(cgrp))
@ -759,7 +759,7 @@ void check_for_release(struct cgroup *cgrp)
* this routine has no use for the exit status of the release agent
* task, so no sense holding our caller up for that.
*/
void cgroup_release_agent(struct work_struct *work)
void cgroup1_release_agent(struct work_struct *work)
{
struct cgroup *cgrp =
container_of(work, struct cgroup, release_agent_work);
@ -946,7 +946,7 @@ static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)
continue;
if (!cgroup_ssid_enabled(i))
continue;
if (cgroup_ssid_no_v1(i))
if (cgroup1_ssid_disabled(i))
continue;
/* Mutually exclusive option 'all' + subsystem name */
@ -968,7 +968,7 @@ static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)
*/
if (all_ss || (!one_ss && !opts->none && !opts->name))
for_each_subsys(ss, i)
if (cgroup_ssid_enabled(i) && !cgroup_ssid_no_v1(i))
if (cgroup_ssid_enabled(i) && !cgroup1_ssid_disabled(i))
opts->subsys_mask |= (1 << i);
/*

22
kernel/cgroup/cgroup.c
View File

@ -199,7 +199,7 @@ struct cgroup_namespace init_cgroup_ns = {
static u16 have_canfork_callback __read_mostly;
static struct file_system_type cgroup2_fs_type;
static struct cftype cgroup_dfl_base_files[];
static struct cftype cgroup_base_files[];
static int cgroup_apply_control(struct cgroup *cgrp);
static void cgroup_finalize_control(struct cgroup *cgrp, int ret);
@ -609,7 +609,7 @@ static void cgroup_update_populated(struct cgroup *cgrp, bool populated)
if (!trigger)
break;
check_for_release(cgrp);
cgroup1_check_for_release(cgrp);
cgroup_file_notify(&cgrp->events_file);
cgrp = cgroup_parent(cgrp);
@ -1440,9 +1440,9 @@ static int css_populate_dir(struct cgroup_subsys_state *css)
if (!css->ss) {
if (cgroup_on_dfl(cgrp))
cfts = cgroup_dfl_base_files;
cfts = cgroup_base_files;
else
cfts = cgroup_legacy_base_files;
cfts = cgroup1_base_files;
return cgroup_addrm_files(&cgrp->self, cgrp, cfts, true);
}
@ -1645,7 +1645,7 @@ static void init_cgroup_housekeeping(struct cgroup *cgrp)
INIT_LIST_HEAD(&cgrp->e_csets[ssid]);
init_waitqueue_head(&cgrp->offline_waitq);
INIT_WORK(&cgrp->release_agent_work, cgroup_release_agent);
INIT_WORK(&cgrp->release_agent_work, cgroup1_release_agent);
}
void init_cgroup_root(struct cgroup_root *root, struct cgroup_sb_opts *opts)
@ -3836,7 +3836,7 @@ static int cgroup_procs_show(struct seq_file *s, void *v)
}
/* cgroup core interface files for the default hierarchy */
static struct cftype cgroup_dfl_base_files[] = {
static struct cftype cgroup_base_files[] = {
{
.name = "cgroup.procs",
.file_offset = offsetof(struct cgroup, procs_file),
@ -3909,7 +3909,7 @@ static void css_free_work_fn(struct work_struct *work)
} else {
/* cgroup free path */
atomic_dec(&cgrp->root->nr_cgrps);
cgroup_pidlist_destroy_all(cgrp);
cgroup1_pidlist_destroy_all(cgrp);
cancel_work_sync(&cgrp->release_agent_work);
if (cgroup_parent(cgrp)) {
@ -4411,7 +4411,7 @@ static int cgroup_destroy_locked(struct cgroup *cgrp)
*/
kernfs_remove(cgrp->kn);
check_for_release(cgroup_parent(cgrp));
cgroup1_check_for_release(cgroup_parent(cgrp));
/* put the base reference */
percpu_ref_kill(&cgrp->self.refcnt);
@ -4548,8 +4548,8 @@ int __init cgroup_init(void)
BUILD_BUG_ON(CGROUP_SUBSYS_COUNT > 16);
BUG_ON(percpu_init_rwsem(&cgroup_threadgroup_rwsem));
BUG_ON(cgroup_init_cftypes(NULL, cgroup_dfl_base_files));
BUG_ON(cgroup_init_cftypes(NULL, cgroup_legacy_base_files));
BUG_ON(cgroup_init_cftypes(NULL, cgroup_base_files));
BUG_ON(cgroup_init_cftypes(NULL, cgroup1_base_files));
/*
* The latency of the synchronize_sched() is too high for cgroups,
@ -4599,7 +4599,7 @@ int __init cgroup_init(void)
continue;
}
if (cgroup_ssid_no_v1(ssid))
if (cgroup1_ssid_disabled(ssid))
printk(KERN_INFO "Disabling %s control group subsystem in v1 mounts\n",
ss->name);