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authorMark Brown <broonie@kernel.org>2019-01-29 12:04:54 +0000
committerMark Brown <broonie@kernel.org>2019-01-29 12:04:54 +0000
commitd7c26e63cf78fef01d66ae848184c6ee5f4b8bbf (patch)
tree3765745a38a7ae1a4a3a056dfc6c736e4c99271d /mm/backing-dev.c
parenta8233b6c1972e1959cf84a021aeb61ddcd23cc26 (diff)
parentf17b5f06cb92ef2250513a1e154c47b78df07d40 (diff)
Merge tag 'v5.0-rc4' into asoc-5.1
Linux 5.0-rc4
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r--mm/backing-dev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 8a8bb8796c6c..72e6d0c55cfa 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -689,6 +689,7 @@ static int cgwb_bdi_init(struct backing_dev_info *bdi)
INIT_RADIX_TREE(&bdi->cgwb_tree, GFP_ATOMIC);
bdi->cgwb_congested_tree = RB_ROOT;
mutex_init(&bdi->cgwb_release_mutex);
+ init_rwsem(&bdi->wb_switch_rwsem);
ret = wb_init(&bdi->wb, bdi, 1, GFP_KERNEL);
if (!ret) {