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cgroup: s/cgrp_dfl_root_/cgrp_dfl_/

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These var names are unnecessarily unwiedly and another similar
variable will be added.  Let's shorten them.

Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo 2016-02-23 10:00:50 -05:00
parent 6e5c830770
commit a716526442
1 changed files with 9 additions and 9 deletions
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18
kernel/cgroup.c
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@ -178,13 +178,13 @@ EXPORT_SYMBOL_GPL(cgrp_dfl_root);
* The default hierarchy always exists but is hidden until mounted for the
* first time. This is for backward compatibility.
*/
static bool cgrp_dfl_root_visible;
static bool cgrp_dfl_visible;
/* Controllers blocked by the commandline in v1 */
static u16 cgroup_no_v1_mask;
/* some controllers are not supported in the default hierarchy */
static u16 cgrp_dfl_root_inhibit_ss_mask;
static u16 cgrp_dfl_inhibit_ss_mask;
/* The list of hierarchy roots */
@ -1486,7 +1486,7 @@ static int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask)
/* skip creating root files on dfl_root for inhibited subsystems */
tmp_ss_mask = ss_mask;
if (dst_root == &cgrp_dfl_root)
tmp_ss_mask &= ~cgrp_dfl_root_inhibit_ss_mask;
tmp_ss_mask &= ~cgrp_dfl_inhibit_ss_mask;
do_each_subsys_mask(ss, ssid, tmp_ss_mask) {
struct cgroup *scgrp = &ss->root->cgrp;
@ -1503,7 +1503,7 @@ static int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask)
* Just warn about it and continue.
*/
if (dst_root == &cgrp_dfl_root) {
if (cgrp_dfl_root_visible) {
if (cgrp_dfl_visible) {
pr_warn("failed to create files (%d) while rebinding 0x%x to default root\n",
ret, ss_mask);
pr_warn("you may retry by moving them to a different hierarchy and unbinding\n");
@ -2006,7 +2006,7 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type,
pr_err("cgroup2: unknown option \"%s\"\n", (char *)data);
return ERR_PTR(-EINVAL);
}
cgrp_dfl_root_visible = true;
cgrp_dfl_visible = true;
root = &cgrp_dfl_root;
cgroup_get(&root->cgrp);
goto out_mount;
@ -2858,7 +2858,7 @@ static int cgroup_root_controllers_show(struct seq_file *seq, void *v)
struct cgroup *cgrp = seq_css(seq)->cgroup;
cgroup_print_ss_mask(seq, cgrp->root->subsys_mask &
~cgrp_dfl_root_inhibit_ss_mask);
~cgrp_dfl_inhibit_ss_mask);
return 0;
}
@ -2962,7 +2962,7 @@ static ssize_t cgroup_subtree_control_write(struct kernfs_open_file *of,
while ((tok = strsep(&buf, " "))) {
if (tok[0] == '\0')
continue;
do_each_subsys_mask(ss, ssid, ~cgrp_dfl_root_inhibit_ss_mask) {
do_each_subsys_mask(ss, ssid, ~cgrp_dfl_inhibit_ss_mask) {
if (!cgroup_ssid_enabled(ssid) ||
strcmp(tok + 1, ss->name))
continue;
@ -5315,7 +5315,7 @@ int __init cgroup_init(void)
cgrp_dfl_root.subsys_mask |= 1 << ss->id;
if (!ss->dfl_cftypes)
cgrp_dfl_root_inhibit_ss_mask |= 1 << ss->id;
cgrp_dfl_inhibit_ss_mask |= 1 << ss->id;
if (ss->dfl_cftypes == ss->legacy_cftypes) {
WARN_ON(cgroup_add_cftypes(ss, ss->dfl_cftypes));
@ -5386,7 +5386,7 @@ int proc_cgroup_show(struct seq_file *m, struct pid_namespace *ns,
struct cgroup *cgrp;
int ssid, count = 0;
if (root == &cgrp_dfl_root && !cgrp_dfl_root_visible)
if (root == &cgrp_dfl_root && !cgrp_dfl_visible)
continue;
seq_printf(m, "%d:", root->hierarchy_id);