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| author |   Petr Mladek <pmladek@suse.com> | 2020-06-01 10:15:16 +0200 |
|---|---|---|
| committer | Petr Mladek <pmladek@suse.com> | 2020-06-01 10:15:16 +0200 |
| commit | d053cf0d771f6547cb0537759a9af63cf402908d (patch) | |
| tree | df61806e45c6cf7e9cdd0b271f959f0962f8623e /mm/backing-dev.c | |
| parent | Merge branch 'for-5.7-preferred-console' into for-linus (diff) | |
| parent | printk: Remove pr_cont_once() (diff) | |
| download | wireguard-linux-d053cf0d771f6547cb0537759a9af63cf402908d.tar.xz wireguard-linux-d053cf0d771f6547cb0537759a9af63cf402908d.zip | |
Merge branch 'for-5.8' into for-linus
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index c360f6a6c844..c81b4f3a7268 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -21,6 +21,7 @@ struct backing_dev_info noop_backing_dev_info = { EXPORT_SYMBOL_GPL(noop_backing_dev_info); static struct class *bdi_class; +const char *bdi_unknown_name = "(unknown)"; /* * bdi_lock protects bdi_tree and updates to bdi_list. bdi_list has RCU @@ -490,8 +491,8 @@ static void cgwb_release_workfn(struct work_struct *work) css_put(wb->blkcg_css); mutex_unlock(&wb->bdi->cgwb_release_mutex); - /* triggers blkg destruction if cgwb_refcnt becomes zero */ - blkcg_cgwb_put(blkcg); + /* triggers blkg destruction if no online users left */ + blkcg_unpin_online(blkcg); fprop_local_destroy_percpu(&wb->memcg_completions); percpu_ref_exit(&wb->refcnt); @@ -591,7 +592,7 @@ static int cgwb_create(struct backing_dev_info *bdi, list_add_tail_rcu(&wb->bdi_node, &bdi->wb_list); list_add(&wb->memcg_node, memcg_cgwb_list); list_add(&wb->blkcg_node, blkcg_cgwb_list); - blkcg_cgwb_get(blkcg); + blkcg_pin_online(blkcg); css_get(memcg_css); css_get(blkcg_css); } |