linux-kernel - [RFC v2 03/11] block: move around bio flagging helpers

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Message-ID: <6cb3193d3249ab5ca54e8aecbfc24086db09b753.1763725387.git.asml.silence@gmail.com>
Date: Sun, 23 Nov 2025 22:51:23 +0000
From: Pavel Begunkov <asml.silence@...il.com>
To: linux-block@...r.kernel.org,
	io-uring@...r.kernel.org
Cc: Vishal Verma <vishal1.verma@...el.com>,
	tushar.gohad@...el.com,
	Keith Busch <kbusch@...nel.org>,
	Jens Axboe <axboe@...nel.dk>,
	Christoph Hellwig <hch@....de>,
	Sagi Grimberg <sagi@...mberg.me>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Christian König <christian.koenig@....com>,
	Pavel Begunkov <asml.silence@...il.com>,
	linux-kernel@...r.kernel.org,
	linux-nvme@...ts.infradead.org,
	linux-fsdevel@...r.kernel.org,
	linux-media@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linaro-mm-sig@...ts.linaro.org
Subject: [RFC v2 03/11] block: move around bio flagging helpers

We'll need bio_flagged() earlier in bio.h in the next patch, move it
together with all related helpers, and mark the bio_flagged()'s bio
argument as const.

Signed-off-by: Pavel Begunkov <asml.silence@...il.com>
---
 include/linux/bio.h | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/include/linux/bio.h b/include/linux/bio.h
index ad2d57908c1c..c75a9b3672aa 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -46,6 +46,21 @@ static inline unsigned int bio_max_segs(unsigned int nr_segs)
 #define bio_data_dir(bio) \
 	(op_is_write(bio_op(bio)) ? WRITE : READ)
 
+static inline bool bio_flagged(const struct bio *bio, unsigned int bit)
+{
+	return bio->bi_flags & (1U << bit);
+}
+
+static inline void bio_set_flag(struct bio *bio, unsigned int bit)
+{
+	bio->bi_flags |= (1U << bit);
+}
+
+static inline void bio_clear_flag(struct bio *bio, unsigned int bit)
+{
+	bio->bi_flags &= ~(1U << bit);
+}
+
 /*
  * Check whether this bio carries any data or not. A NULL bio is allowed.
  */
@@ -225,21 +240,6 @@ static inline void bio_cnt_set(struct bio *bio, unsigned int count)
 	atomic_set(&bio->__bi_cnt, count);
 }
 
-static inline bool bio_flagged(struct bio *bio, unsigned int bit)
-{
-	return bio->bi_flags & (1U << bit);
-}
-
-static inline void bio_set_flag(struct bio *bio, unsigned int bit)
-{
-	bio->bi_flags |= (1U << bit);
-}
-
-static inline void bio_clear_flag(struct bio *bio, unsigned int bit)
-{
-	bio->bi_flags &= ~(1U << bit);
-}
-
 static inline struct bio_vec *bio_first_bvec_all(struct bio *bio)
 {
 	WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED));
-- 
2.52.0