blk-wbt: account any writing command as a write
We currently special case WRITE and FLUSH, but we should really
just include any command with the write bit set. This ensures
that we account DISCARD.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index f92fc84..3e34b41b 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -701,7 +701,7 @@ static int wbt_data_dir(const struct request *rq)
if (op == REQ_OP_READ)
return READ;
- else if (op == REQ_OP_WRITE || op == REQ_OP_FLUSH)
+ else if (op_is_write(op))
return WRITE;
/* don't account */