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-rw-r--r--drivers/md/dm-writecache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index e672e1d17bf1..3a28a68f184c 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -457,7 +457,7 @@ static void ssd_commit_flushed(struct dm_writecache *wc)
COMPLETION_INITIALIZER_ONSTACK(endio.c),
ATOMIC_INIT(1),
};
- unsigned bitmap_bits = wc->dirty_bitmap_size * BITS_PER_LONG;
+ unsigned bitmap_bits = wc->dirty_bitmap_size * 8;
unsigned i = 0;
while (1) {