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authorTejun Heo <tj@kernel.org>2012-11-19 08:13:38 -0800
committerTejun Heo <tj@kernel.org>2012-11-19 08:13:38 -0800
commit92fb97487a7e41b222c1417cabd1d1ab7cc3a48c (patch)
treec220c622b9ac9b16535535d448e9cd29be72c77e /block
parentb1929db42f8a649d9a9e397119f628c27fd4021f (diff)
downloadlinux-92fb97487a7e41b222c1417cabd1d1ab7cc3a48c.tar.gz
cgroup: rename ->create/post_create/pre_destroy/destroy() to ->css_alloc/online/offline/free()
Rename cgroup_subsys css lifetime related callbacks to better describe what their roles are. Also, update documentation. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'block')
-rw-r--r--block/blk-cgroup.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 3dc60fc441c..3f6d39d23bb 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -600,7 +600,7 @@ struct cftype blkcg_files[] = {
};
/**
- * blkcg_pre_destroy - cgroup pre_destroy callback
+ * blkcg_css_offline - cgroup css_offline callback
* @cgroup: cgroup of interest
*
* This function is called when @cgroup is about to go away and responsible
@@ -610,7 +610,7 @@ struct cftype blkcg_files[] = {
*
* This is the blkcg counterpart of ioc_release_fn().
*/
-static void blkcg_pre_destroy(struct cgroup *cgroup)
+static void blkcg_css_offline(struct cgroup *cgroup)
{
struct blkcg *blkcg = cgroup_to_blkcg(cgroup);
@@ -634,7 +634,7 @@ static void blkcg_pre_destroy(struct cgroup *cgroup)
spin_unlock_irq(&blkcg->lock);
}
-static void blkcg_destroy(struct cgroup *cgroup)
+static void blkcg_css_free(struct cgroup *cgroup)
{
struct blkcg *blkcg = cgroup_to_blkcg(cgroup);
@@ -642,7 +642,7 @@ static void blkcg_destroy(struct cgroup *cgroup)
kfree(blkcg);
}
-static struct cgroup_subsys_state *blkcg_create(struct cgroup *cgroup)
+static struct cgroup_subsys_state *blkcg_css_alloc(struct cgroup *cgroup)
{
static atomic64_t id_seq = ATOMIC64_INIT(0);
struct blkcg *blkcg;
@@ -739,10 +739,10 @@ static int blkcg_can_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
struct cgroup_subsys blkio_subsys = {
.name = "blkio",
- .create = blkcg_create,
+ .css_alloc = blkcg_css_alloc,
+ .css_offline = blkcg_css_offline,
+ .css_free = blkcg_css_free,
.can_attach = blkcg_can_attach,
- .pre_destroy = blkcg_pre_destroy,
- .destroy = blkcg_destroy,
.subsys_id = blkio_subsys_id,
.base_cftypes = blkcg_files,
.module = THIS_MODULE,