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These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git]
/
kernel
/
drivers
/
md
/
bcache
/
writeback.h
diff --git
a/kernel/drivers/md/bcache/writeback.h
b/kernel/drivers/md/bcache/writeback.h
index
0a9dab1
..
073a042
100644
(file)
--- a/
kernel/drivers/md/bcache/writeback.h
+++ b/
kernel/drivers/md/bcache/writeback.h
@@
-63,7
+63,8
@@
static inline bool should_writeback(struct cached_dev *dc, struct bio *bio,
static inline void bch_writeback_queue(struct cached_dev *dc)
{
static inline void bch_writeback_queue(struct cached_dev *dc)
{
- wake_up_process(dc->writeback_thread);
+ if (!IS_ERR_OR_NULL(dc->writeback_thread))
+ wake_up_process(dc->writeback_thread);
}
static inline void bch_writeback_add(struct cached_dev *dc)
}
static inline void bch_writeback_add(struct cached_dev *dc)