From: Bart Van Assche <bvanassche@acm.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Ming Lei <ming.lei@redhat.com>,
Alexander Potapenko <glider@google.com>,
Bart Van Assche <bvanassche@acm.org>,
Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>,
Damien Le Moal <damien.lemoal@wdc.com>
Subject: [PATCH v3 2/4] bio.h: Declare the arguments of the bio iteration functions const
Date: Mon, 18 May 2020 21:07:35 -0700 [thread overview]
Message-ID: <20200519040737.4531-3-bvanassche@acm.org> (raw)
In-Reply-To: <20200519040737.4531-1-bvanassche@acm.org>
This change makes it possible to pass 'const struct bio *' arguments to
these functions.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Cc: Alexander Potapenko <glider@google.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
include/linux/bio.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/bio.h b/include/linux/bio.h
index a0ee494a6329..950c9dc44c4f 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -70,7 +70,7 @@ static inline bool bio_has_data(struct bio *bio)
return false;
}
-static inline bool bio_no_advance_iter(struct bio *bio)
+static inline bool bio_no_advance_iter(const struct bio *bio)
{
return bio_op(bio) == REQ_OP_DISCARD ||
bio_op(bio) == REQ_OP_SECURE_ERASE ||
@@ -138,8 +138,8 @@ static inline bool bio_next_segment(const struct bio *bio,
#define bio_for_each_segment_all(bvl, bio, iter) \
for (bvl = bvec_init_iter_all(&iter); bio_next_segment((bio), &iter); )
-static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter,
- unsigned bytes)
+static inline void bio_advance_iter(const struct bio *bio,
+ struct bvec_iter *iter, unsigned int bytes)
{
iter->bi_sector += bytes >> 9;
next prev parent reply other threads:[~2020-05-19 4:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 4:07 [PATCH v3 0/4] Block layer patches for kernel v5.8 Bart Van Assche
2020-05-19 4:07 ` [PATCH v3 1/4] block: Fix type of first compat_put_{,u}long() argument Bart Van Assche
2020-05-19 8:34 ` Johannes Thumshirn
2020-05-19 4:07 ` Bart Van Assche [this message]
2020-05-19 8:35 ` [PATCH v3 2/4] bio.h: Declare the arguments of the bio iteration functions const Johannes Thumshirn
2020-05-19 4:07 ` [PATCH v3 3/4] block: Document the bio_vec properties Bart Van Assche
2020-05-19 15:21 ` Christoph Hellwig
2020-05-19 4:07 ` [PATCH v3 4/4] null_blk: Zero-initialize read buffers in non-memory-backed mode Bart Van Assche
2020-05-19 15:40 ` [PATCH v3 0/4] Block layer patches for kernel v5.8 Jens Axboe
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