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-rw-r--r--mm/backing-dev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 5dcaa3c756d1..dd8916feb05e 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -476,7 +476,8 @@ static int bdi_forker_thread(void *ptr)
* the bdi from the thread. Hopefully 1024 is
* large enough for efficient IO.
*/
- writeback_inodes_wb(&bdi->wb, 1024);
+ writeback_inodes_wb(&bdi->wb, 1024,
+ WB_REASON_FORKER_THREAD);
} else {
/*
* The spinlock makes sure we do not lose