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authorLinux Build Service Account <lnxbuild@localhost>2019-06-17 10:19:39 -0700
committerGerrit - the friendly Code Review server <code-review@localhost>2019-06-17 10:19:38 -0700
commit4e933027e6848a194b03aa35c26bc20fe06205e9 (patch)
treeab1dda795bb590c589a5af45f0692b3b6f3c3931 /include/linux/backing-dev-defs.h
parentc176a066dfd36e31ebaf2796a12b2c523e7083dc (diff)
parent5ef154a26639ad07ed3ebdaea1dabe29065982b0 (diff)
Merge "Merge android-4.4.181 (bd858d7) into msm-4.4"
Diffstat (limited to 'include/linux/backing-dev-defs.h')
-rw-r--r--include/linux/backing-dev-defs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index a6296c2ffd93..b90dff08edb0 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -160,6 +160,7 @@ struct backing_dev_info {
struct radix_tree_root cgwb_tree; /* radix tree of active cgroup wbs */
struct rb_root cgwb_congested_tree; /* their congested states */
atomic_t usage_cnt; /* counts both cgwbs and cgwb_contested's */
+ struct rw_semaphore wb_switch_rwsem; /* no cgwb switch while syncing */
#else
struct bdi_writeback_congested *wb_congested;
#endif