cgroup: rename cont to cgrp

Cont is short for container. control group was named process container
at first, but then people found container already has a meaning in
linux kernel.

Clean up the leftover variable name @cont.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index b283658906462ea4bc168e791f81ac3ba7897cd9..6c2ba52fc5d484179b70e21598e7fdecefd7967a 100644 (file)
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -433,13 +433,13 @@ struct cftype {
         * entry. The key/value pairs (and their ordering) should not
         * change between reboots.
         */
-       int (*read_map)(struct cgroup *cont, struct cftype *cft,
+       int (*read_map)(struct cgroup *cgrp, struct cftype *cft,
                        struct cgroup_map_cb *cb);
        /*
         * read_seq_string() is used for outputting a simple sequence
         * using seqfile.
         */
-       int (*read_seq_string)(struct cgroup *cont, struct cftype *cft,
+       int (*read_seq_string)(struct cgroup *cgrp, struct cftype *cft,
                               struct seq_file *m);
 
        ssize_t (*write)(struct cgroup *cgrp, struct cftype *cft,

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 65f333ebb572a4a608b2c297f33b1add65a39021..1051c1f696743dbfcdd83002d9b2400fc455b7e6 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -5515,7 +5515,7 @@ struct cgroup_subsys_state *cgroup_css_from_dir(struct file *f, int id)
 }
 
 #ifdef CONFIG_CGROUP_DEBUG
-static struct cgroup_subsys_state *debug_css_alloc(struct cgroup *cont)
+static struct cgroup_subsys_state *debug_css_alloc(struct cgroup *cgrp)
 {
        struct cgroup_subsys_state *css = kzalloc(sizeof(*css), GFP_KERNEL);
 
@@ -5525,23 +5525,23 @@ static struct cgroup_subsys_state *debug_css_alloc(struct cgroup *cont)
        return css;
 }
 
-static void debug_css_free(struct cgroup *cont)
+static void debug_css_free(struct cgroup *cgrp)
 {
-       kfree(cont->subsys[debug_subsys_id]);
+       kfree(cgrp->subsys[debug_subsys_id]);
 }
 
-static u64 debug_taskcount_read(struct cgroup *cont, struct cftype *cft)
+static u64 debug_taskcount_read(struct cgroup *cgrp, struct cftype *cft)
 {
-       return cgroup_task_count(cont);
+       return cgroup_task_count(cgrp);
 }
 
-static u64 current_css_set_read(struct cgroup *cont, struct cftype *cft)
+static u64 current_css_set_read(struct cgroup *cgrp, struct cftype *cft)
 {
        return (u64)(unsigned long)current->cgroups;
 }
 
-static u64 current_css_set_refcount_read(struct cgroup *cont,
-                                          struct cftype *cft)
+static u64 current_css_set_refcount_read(struct cgroup *cgrp,
+                                        struct cftype *cft)
 {
        u64 count;
 
@@ -5551,7 +5551,7 @@ static u64 current_css_set_refcount_read(struct cgroup *cont,
        return count;
 }
 
-static int current_css_set_cg_links_read(struct cgroup *cont,
+static int current_css_set_cg_links_read(struct cgroup *cgrp,
                                         struct cftype *cft,
                                         struct seq_file *seq)
 {
@@ -5578,14 +5578,14 @@ static int current_css_set_cg_links_read(struct cgroup *cont,
 }
 
 #define MAX_TASKS_SHOWN_PER_CSS 25
-static int cgroup_css_links_read(struct cgroup *cont,
+static int cgroup_css_links_read(struct cgroup *cgrp,
                                 struct cftype *cft,
                                 struct seq_file *seq)
 {
        struct cgrp_cset_link *link;
 
        read_lock(&css_set_lock);
-       list_for_each_entry(link, &cont->cset_links, cset_link) {
+       list_for_each_entry(link, &cgrp->cset_links, cset_link) {
                struct css_set *cset = link->cset;
                struct task_struct *task;
                int count = 0;