diff mbox series

[PATCHv10,1/9] block: use generic u16 for write hints

Message ID 20241029151922.459139-2-kbusch@meta.com
State New
Headers show
Series write hints with nvme fdp, scsi streams | expand

Commit Message

Keith Busch Oct. 29, 2024, 3:19 p.m. UTC 
From: Keith Busch <kbusch@kernel.org>

This is still backwards compatible with lifetime hints. It just doesn't
constrain the hints to that definition. Using this type doesn't change
the size of either bio or request.

Signed-off-by: Keith Busch <kbusch@kernel.org>
---
 include/linux/blk-mq.h    | 3 +--
 include/linux/blk_types.h | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

Comments

Bart Van Assche Oct. 29, 2024, 5:21 p.m. UTC | #1 
On 10/29/24 8:19 AM, Keith Busch wrote:
> This is still backwards compatible with lifetime hints. It just doesn't
> constrain the hints to that definition. Using this type doesn't change
> the size of either bio or request.

Reviewed-by: Bart Van Assche <bvanassche@acm.org>
diff mbox series

Patch

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 2035fad3131fb..08ed7b5c4dbbf 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -8,7 +8,6 @@ 
 #include <linux/scatterlist.h>
 #include <linux/prefetch.h>
 #include <linux/srcu.h>
-#include <linux/rw_hint.h>
 
 struct blk_mq_tags;
 struct blk_flush_queue;
@@ -156,7 +155,7 @@  struct request {
 	struct blk_crypto_keyslot *crypt_keyslot;
 #endif
 
-	enum rw_hint write_hint;
+	unsigned short write_hint;
 	unsigned short ioprio;
 
 	enum mq_rq_state state;
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index dce7615c35e7e..6737795220e18 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -10,7 +10,6 @@ 
 #include <linux/bvec.h>
 #include <linux/device.h>
 #include <linux/ktime.h>
-#include <linux/rw_hint.h>
 
 struct bio_set;
 struct bio;
@@ -219,7 +218,7 @@  struct bio {
 						 */
 	unsigned short		bi_flags;	/* BIO_* below */
 	unsigned short		bi_ioprio;
-	enum rw_hint		bi_write_hint;
+	unsigned short		bi_write_hint;
 	blk_status_t		bi_status;
 	atomic_t		__bi_remaining;