Commit 9ba5dcc7 authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Jens Axboe
Browse files

block: Remove unused blk_limits_io_{min,opt} 



blk_limits_io_min and blk_limits_io_opt are unused since the
recent commit
  0a94a469 ("dm: stop using blk_limits_io_{min,opt}")

Remove them.

Signed-off-by: default avatarDr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20240920004817.676216-1-linux@treblig.org


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 2f02b5af

block/blk-settings.c

+0 −42
Original line number Diff line number Diff line
@@ -437,48 +437,6 @@ int queue_limits_set(struct request_queue *q, struct queue_limits *lim) 
}

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,

		sector_t sector)

{

include/linux/blkdev.h

+0 −2
Original line number Diff line number Diff line
@@ -968,8 +968,6 @@ static inline void blk_queue_disable_write_zeroes(struct request_queue *q) 
/*

 * 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_stacking_limits(struct queue_limits *lim);

extern int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,