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[33/42] block: convert rq_data_dir helper to use REQ_OPs

Message ID 1460576188-5751-34-git-send-email-mchristi@redhat.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Mike Christie April 13, 2016, 7:36 p.m. UTC 
From: Mike Christie <mchristi@redhat.com>

The request->op field is now always setup up with a REQ_OP.
This patch has the rq_data_dir helper convert the operation
to a WRITE or READ direction based on that.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/blkdev.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 550b371..25ec7ce 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -599,7 +599,7 @@  static inline void queue_flag_clear(unsigned int flag, struct request_queue *q)
 
 #define list_entry_rq(ptr)	list_entry((ptr), struct request, queuelist)
 
-#define rq_data_dir(rq)		((int)((rq)->cmd_flags & 1))
+#define rq_data_dir(rq)		(op_is_write(rq->op) ? WRITE : READ)
 
 /*
  * Driver can handle struct request, if it either has an old style