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Diffstat (limited to 'drivers/md/bcache/writeback.h')
-rw-r--r--drivers/md/bcache/writeback.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h
index 6a743d3bb338..4e4c6810dc3c 100644
--- a/drivers/md/bcache/writeback.h
+++ b/drivers/md/bcache/writeback.h
@@ -71,6 +71,9 @@ static inline bool should_writeback(struct cached_dev *dc, struct bio *bio,
in_use > bch_cutoff_writeback_sync)
return false;
+ if (bio_op(bio) == REQ_OP_DISCARD)
+ return false;
+
if (dc->partial_stripes_expensive &&
bcache_dev_stripe_dirty(dc, bio->bi_iter.bi_sector,
bio_sectors(bio)))