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authorDavid S. Miller <davem@davemloft.net>2019-01-27 10:43:17 -0800
committerDavid S. Miller <davem@davemloft.net>2019-01-27 10:43:17 -0800
commit1d68101367a92336e633d0c3681bf8c86644e124 (patch)
tree8fdacef561481c25c71641b8fa91a5dfa0ba7f96 /include/linux/backing-dev-defs.h
parentnet: lmc: remove -I. header search path (diff)
parentMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff)
downloadlinux-dev-1d68101367a92336e633d0c3681bf8c86644e124.tar.xz
linux-dev-1d68101367a92336e633d0c3681bf8c86644e124.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
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 c31157135598..07e02d6df5ad 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -190,6 +190,7 @@ 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 */
struct mutex cgwb_release_mutex; /* protect shutdown of wb structs */
+ struct rw_semaphore wb_switch_rwsem; /* no cgwb switch while syncing */
#else
struct bdi_writeback_congested *wb_congested;
#endif