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authorTejun Heo2012-11-19 10:13:38 -0600
committerTejun Heo2012-11-19 10:13:38 -0600
commit92fb97487a7e41b222c1417cabd1d1ab7cc3a48c (patch)
treec220c622b9ac9b16535535d448e9cd29be72c77e /block/blk-cgroup.c
parentb1929db42f8a649d9a9e397119f628c27fd4021f (diff)
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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/blk-cgroup.c')
-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[] = {
600}; 600};
601 601
602/** 602/**
603 * blkcg_pre_destroy - cgroup pre_destroy callback 603 * blkcg_css_offline - cgroup css_offline callback
604 * @cgroup: cgroup of interest 604 * @cgroup: cgroup of interest
605 * 605 *
606 * This function is called when @cgroup is about to go away and responsible 606 * This function is called when @cgroup is about to go away and responsible
@@ -610,7 +610,7 @@ struct cftype blkcg_files[] = {
610 * 610 *
611 * This is the blkcg counterpart of ioc_release_fn(). 611 * This is the blkcg counterpart of ioc_release_fn().
612 */ 612 */
613static void blkcg_pre_destroy(struct cgroup *cgroup) 613static void blkcg_css_offline(struct cgroup *cgroup)
614{ 614{
615 struct blkcg *blkcg = cgroup_to_blkcg(cgroup); 615 struct blkcg *blkcg = cgroup_to_blkcg(cgroup);
616 616
@@ -634,7 +634,7 @@ static void blkcg_pre_destroy(struct cgroup *cgroup)
634 spin_unlock_irq(&blkcg->lock); 634 spin_unlock_irq(&blkcg->lock);
635} 635}
636 636
637static void blkcg_destroy(struct cgroup *cgroup) 637static void blkcg_css_free(struct cgroup *cgroup)
638{ 638{
639 struct blkcg *blkcg = cgroup_to_blkcg(cgroup); 639 struct blkcg *blkcg = cgroup_to_blkcg(cgroup);
640 640
@@ -642,7 +642,7 @@ static void blkcg_destroy(struct cgroup *cgroup)
642 kfree(blkcg); 642 kfree(blkcg);
643} 643}
644 644
645static struct cgroup_subsys_state *blkcg_create(struct cgroup *cgroup) 645static struct cgroup_subsys_state *blkcg_css_alloc(struct cgroup *cgroup)
646{ 646{
647 static atomic64_t id_seq = ATOMIC64_INIT(0); 647 static atomic64_t id_seq = ATOMIC64_INIT(0);
648 struct blkcg *blkcg; 648 struct blkcg *blkcg;
@@ -739,10 +739,10 @@ static int blkcg_can_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
739 739
740struct cgroup_subsys blkio_subsys = { 740struct cgroup_subsys blkio_subsys = {
741 .name = "blkio", 741 .name = "blkio",
742 .create = blkcg_create, 742 .css_alloc = blkcg_css_alloc,
743 .css_offline = blkcg_css_offline,
744 .css_free = blkcg_css_free,
743 .can_attach = blkcg_can_attach, 745 .can_attach = blkcg_can_attach,
744 .pre_destroy = blkcg_pre_destroy,
745 .destroy = blkcg_destroy,
746 .subsys_id = blkio_subsys_id, 746 .subsys_id = blkio_subsys_id,
747 .base_cftypes = blkcg_files, 747 .base_cftypes = blkcg_files,
748 .module = THIS_MODULE, 748 .module = THIS_MODULE,