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authorIngo Molnar <mingo@kernel.org>2018-07-03 09:20:22 +0200
committerIngo Molnar <mingo@kernel.org>2018-07-03 09:20:22 +0200
commit4520843dfa34417eb1e2061f60d2345d9ca614e1 (patch)
tree7b983b8cf20c6154cf897000610c5b7c754e26d9 /include/linux/backing-dev-defs.h
parentsched/fair: Remove stale tg_unthrottle_up() comments (diff)
parentkthread, sched/core: Fix kthread_parkme() (again...) (diff)
downloadlinux-dev-4520843dfa34417eb1e2061f60d2345d9ca614e1.tar.xz
linux-dev-4520843dfa34417eb1e2061f60d2345d9ca614e1.zip
Merge branch 'sched/urgent' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/backing-dev-defs.h')
-rw-r--r--include/linux/backing-dev-defs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index 0bd432a4d7bd..24251762c20c 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -22,7 +22,6 @@ struct dentry;
*/
enum wb_state {
WB_registered, /* bdi_register() was done */
- WB_shutting_down, /* wb_shutdown() in progress */
WB_writeback_running, /* Writeback is in progress */
WB_has_dirty_io, /* Dirty inodes on ->b_{dirty|io|more_io} */
WB_start_all, /* nr_pages == 0 (all) work pending */
@@ -189,6 +188,7 @@ struct backing_dev_info {
#ifdef CONFIG_CGROUP_WRITEBACK
struct radix_tree_root cgwb_tree; /* radix tree of active cgroup wbs */
struct rb_root cgwb_congested_tree; /* their congested states */
+ struct mutex cgwb_release_mutex; /* protect shutdown of wb structs */
#else
struct bdi_writeback_congested *wb_congested;
#endif