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block: fold blk_max_size_offset into get_max_io_size

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Now that blk_max_size_offset has a single caller left, fold it into that
and clean up the naming convention for the local variables there.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Pankaj Raghav <p.raghav@samsung.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220614090934.570632-6-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-06-14 11:09:33 +02:00 committed by Jens Axboe
parent 84613beda4
commit efef739d5f
2 changed files with 7 additions and 21 deletions
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9
block/blk-merge.c
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@ -166,9 +166,14 @@ static inline unsigned get_max_io_size(struct request_queue *q,
{ {
unsigned pbs = queue_physical_block_size(q) >> SECTOR_SHIFT; unsigned pbs = queue_physical_block_size(q) >> SECTOR_SHIFT;
unsigned lbs = queue_logical_block_size(q) >> SECTOR_SHIFT; unsigned lbs = queue_logical_block_size(q) >> SECTOR_SHIFT;
unsigned max_sectors, start, end; unsigned max_sectors = queue_max_sectors(q), start, end;
if (q->limits.chunk_sectors) {
max_sectors = min(max_sectors,
blk_chunk_sectors_left(bio->bi_iter.bi_sector,
q->limits.chunk_sectors));
}
max_sectors = blk_max_size_offset(q, bio->bi_iter.bi_sector, 0);
start = bio->bi_iter.bi_sector & (pbs - 1); start = bio->bi_iter.bi_sector & (pbs - 1);
end = (start + max_sectors) & ~(pbs - 1); end = (start + max_sectors) & ~(pbs - 1);
if (end > start) if (end > start)

19
include/linux/blkdev.h
View File

@ -945,25 +945,6 @@ static inline unsigned int blk_chunk_sectors_left(sector_t offset,
return chunk_sectors - (offset & (chunk_sectors - 1)); return chunk_sectors - (offset & (chunk_sectors - 1));
} }
/*
* Return maximum size of a request at given offset. Only valid for
* file system requests.
*/
static inline unsigned int blk_max_size_offset(struct request_queue *q,
sector_t offset,
unsigned int chunk_sectors)
{
if (!chunk_sectors) {
if (q->limits.chunk_sectors)
chunk_sectors = q->limits.chunk_sectors;
else
return q->limits.max_sectors;
}
return min(q->limits.max_sectors,
blk_chunk_sectors_left(offset, chunk_sectors));
}
/* /*
* Access functions for manipulating queue properties * Access functions for manipulating queue properties
*/ */