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From: Keith Busch <kbusch@meta.com>
To: <linux-block@vger.kernel.org>, <linux-nvme@lists.infradead.org>,
        <linux-scsi@vger.kernel.org>, <io-uring@vger.kernel.org>
CC: <linux-fsdevel@vger.kernel.org>, <hch@lst.de>, <joshi.k@samsung.com>,
        <javier.gonz@samsung.com>, <bvanassche@acm.org>,
        Keith Busch
	<kbusch@kernel.org>, Hannes Reinecke <hare@suse.de>
Subject: [PATCHv9 1/7] block: use generic u16 for write hints
Date: Fri, 25 Oct 2024 14:36:39 -0700
Message-ID: <20241025213645.3464331-2-kbusch@meta.com>
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From: Keith Busch <kbusch@kernel.org>

This is still backwards compatible with lifetime hints. It just doesn't
constrain the hints to that definition.

Reviewed-by: Hannes Reinecke <hare@suse.de>
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(-)

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 59e9adf815a49..bf007a4081d9b 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>
=20
 struct blk_mq_tags;
 struct blk_flush_queue;
@@ -156,7 +155,7 @@ struct request {
 	struct blk_crypto_keyslot *crypt_keyslot;
 #endif
=20
-	enum rw_hint write_hint;
+	unsigned short write_hint;
 	unsigned short ioprio;
=20
 	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>
=20
 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;
=20
--=20
2.43.5