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block: Remove unused blk_limits_io_{min,opt}

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blk_limits_io_min and blk_limits_io_opt are unused since the
recent commit
  0a94a469a4 ("dm: stop using blk_limits_io_{min,opt}")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20240920004817.676216-1-linux@treblig.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Dr. David Alan Gilbert 2024-09-20 01:48:17 +01:00 committed by Jens Axboe
parent 2f02b5af3a
commit 9ba5dcc722
2 changed files with 0 additions and 44 deletions
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42
block/blk-settings.c
View File

@ -437,48 +437,6 @@ int queue_limits_set(struct request_queue *q, struct queue_limits *lim)
} }
EXPORT_SYMBOL_GPL(queue_limits_set); EXPORT_SYMBOL_GPL(queue_limits_set);
/**
* blk_limits_io_min - set minimum request size for a device
* @limits: the queue limits
* @min: smallest I/O size in bytes
*
* Description:
* Some devices have an internal block size bigger than the reported
* hardware sector size. This function can be used to signal the
* smallest I/O the device can perform without incurring a performance
* penalty.
*/
void blk_limits_io_min(struct queue_limits *limits, unsigned int min)
{
limits->io_min = min;
if (limits->io_min < limits->logical_block_size)
limits->io_min = limits->logical_block_size;
if (limits->io_min < limits->physical_block_size)
limits->io_min = limits->physical_block_size;
}
EXPORT_SYMBOL(blk_limits_io_min);
/**
* blk_limits_io_opt - set optimal request size for a device
* @limits: the queue limits
* @opt: smallest I/O size in bytes
*
* Description:
* Storage devices may report an optimal I/O size, which is the
* device's preferred unit for sustained I/O. This is rarely reported
* for disk drives. For RAID arrays it is usually the stripe width or
* the internal track size. A properly aligned multiple of
* optimal_io_size is the preferred request size for workloads where
* sustained throughput is desired.
*/
void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt)
{
limits->io_opt = opt;
}
EXPORT_SYMBOL(blk_limits_io_opt);
static int queue_limit_alignment_offset(const struct queue_limits *lim, static int queue_limit_alignment_offset(const struct queue_limits *lim,
sector_t sector) sector_t sector)
{ {

2
include/linux/blkdev.h
View File

@ -968,8 +968,6 @@ static inline void blk_queue_disable_write_zeroes(struct request_queue *q)
/* /*
* Access functions for manipulating queue properties * Access functions for manipulating queue properties
*/ */
extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min);
extern void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt);
extern void blk_set_queue_depth(struct request_queue *q, unsigned int depth); extern void blk_set_queue_depth(struct request_queue *q, unsigned int depth);
extern void blk_set_stacking_limits(struct queue_limits *lim); extern void blk_set_stacking_limits(struct queue_limits *lim);
extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,