[PATCH 2/3] blk-wbt: account any writing command as a write

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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.

Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
 block/blk-wbt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index f92fc84b5e2c..3e34b41bcefc 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 */
-- 
2.7.4

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