cgroup: more naming cleanups
Constantly use @cset for css_set variables and use @cgrp as cgroup
variables.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index ed21043..9577bebe 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -466,7 +466,7 @@
* @new_cgrp: cgroup that's being entered by the task
* @template: desired set of css pointers in css_set (pre-calculated)
*
- * Returns true if "cg" matches "old_cg" except for the hierarchy
+ * Returns true if "cset" matches "old_cset" except for the hierarchy
* which "new_cgrp" belongs to, for which it should match "new_cgrp".
*/
static bool compare_css_sets(struct css_set *cset,
@@ -1839,7 +1839,7 @@
struct task_and_cgroup {
struct task_struct *task;
struct cgroup *cgrp;
- struct css_set *cg;
+ struct css_set *cset;
};
struct cgroup_taskset {
@@ -2057,8 +2057,8 @@
tc = flex_array_get(group, i);
old_cset = task_css_set(tc->task);
- tc->cg = find_css_set(old_cset, cgrp);
- if (!tc->cg) {
+ tc->cset = find_css_set(old_cset, cgrp);
+ if (!tc->cset) {
retval = -ENOMEM;
goto out_put_css_set_refs;
}
@@ -2071,7 +2071,7 @@
*/
for (i = 0; i < group_size; i++) {
tc = flex_array_get(group, i);
- cgroup_task_migrate(tc->cgrp, tc->task, tc->cg);
+ cgroup_task_migrate(tc->cgrp, tc->task, tc->cset);
}
/* nothing is sensitive to fork() after this point. */
@@ -2091,9 +2091,9 @@
if (retval) {
for (i = 0; i < group_size; i++) {
tc = flex_array_get(group, i);
- if (!tc->cg)
+ if (!tc->cset)
break;
- put_css_set(tc->cg);
+ put_css_set(tc->cset);
}
}
out_cancel_attach:
@@ -2203,9 +2203,9 @@
mutex_lock(&cgroup_mutex);
for_each_active_root(root) {
- struct cgroup *from_cg = task_cgroup_from_root(from, root);
+ struct cgroup *from_cgrp = task_cgroup_from_root(from, root);
- retval = cgroup_attach_task(from_cg, tsk, false);
+ retval = cgroup_attach_task(from_cgrp, tsk, false);
if (retval)
break;
}
@@ -3305,8 +3305,8 @@
* guarantees forward progress and that we don't miss any tasks.
*/
heap->size = 0;
- cgroup_iter_start(scan->cg, &it);
- while ((p = cgroup_iter_next(scan->cg, &it))) {
+ cgroup_iter_start(scan->cgrp, &it);
+ while ((p = cgroup_iter_next(scan->cgrp, &it))) {
/*
* Only affect tasks that qualify per the caller's callback,
* if he provided one
@@ -3339,7 +3339,7 @@
* the heap and wasn't inserted
*/
}
- cgroup_iter_end(scan->cg, &it);
+ cgroup_iter_end(scan->cgrp, &it);
if (heap->size) {
for (i = 0; i < heap->size; i++) {
@@ -3385,7 +3385,7 @@
{
struct cgroup_scanner scan;
- scan.cg = from;
+ scan.cgrp = from;
scan.test_task = NULL; /* select all tasks in cgroup */
scan.process_task = cgroup_transfer_one_task;
scan.heap = NULL;