Commit 0ef2b9e6 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: lift bio_is_zone_append to bio.h 



Make bio_is_zone_append globally available, because file systems need
to use to check for a zone append bio in their end_io handlers to deal
with the block layer emulation.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDamien Le Moal <dlemoal@kernel.org>
Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20241104062647.91160-4-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 7ecd2cd4

block/blk.h

+0 −9
Original line number Diff line number Diff line
@@ -457,11 +457,6 @@ static inline bool bio_zone_write_plugging(struct bio *bio) 
{

	return bio_flagged(bio, BIO_ZONE_WRITE_PLUGGING);

}

static inline bool bio_is_zone_append(struct bio *bio)

{

	return bio_op(bio) == REQ_OP_ZONE_APPEND ||

		bio_flagged(bio, BIO_EMULATES_ZONE_APPEND);

}

void blk_zone_write_plug_bio_merged(struct bio *bio);

void blk_zone_write_plug_init_request(struct request *rq);

static inline void blk_zone_update_request_bio(struct request *rq,
@@ -510,10 +505,6 @@ static inline bool bio_zone_write_plugging(struct bio *bio) 
{

	return false;

}

static inline bool bio_is_zone_append(struct bio *bio)

{

	return false;

}

static inline void blk_zone_write_plug_bio_merged(struct bio *bio)

{

}

include/linux/bio.h

+17 −0
Original line number Diff line number Diff line
@@ -675,6 +675,23 @@ static inline void bio_clear_polled(struct bio *bio) 
	bio->bi_opf &= ~REQ_POLLED;

}



/**

 * bio_is_zone_append - is this a zone append bio?

 * @bio:	bio to check

 *

 * Check if @bio is a zone append operation.  Core block layer code and end_io

 * handlers must use this instead of an open coded REQ_OP_ZONE_APPEND check

 * because the block layer can rewrite REQ_OP_ZONE_APPEND to REQ_OP_WRITE if

 * it is not natively supported.

 */

static inline bool bio_is_zone_append(struct bio *bio)

{

	if (!IS_ENABLED(CONFIG_BLK_DEV_ZONED))

		return false;

	return bio_op(bio) == REQ_OP_ZONE_APPEND ||

		bio_flagged(bio, BIO_EMULATES_ZONE_APPEND);

}



struct bio *blk_next_bio(struct bio *bio, struct block_device *bdev,

		unsigned int nr_pages, blk_opf_t opf, gfp_t gfp);

struct bio *bio_chain_and_submit(struct bio *prev, struct bio *new);