github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 23:22:31 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

block: remove unused queue limits API

Browse Source 
Remove all APIs that are unused now that sd and sr have been converted
to the atomic queue limits API.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240531074837.1648501-14-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-05-31 09:48:08 +02:00 committed by Jens Axboe
parent 969f17e10f
commit 1652b0bafe
2 changed files with 0 additions and 214 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

190
block/blk-settings.c
View File

@ -293,24 +293,6 @@ int queue_limits_set(struct request_queue *q, struct queue_limits *lim)
}
EXPORT_SYMBOL_GPL(queue_limits_set);
/**
* blk_queue_chunk_sectors - set size of the chunk for this queue
* @q: the request queue for the device
* @chunk_sectors: chunk sectors in the usual 512b unit
*
* Description:
* If a driver doesn't want IOs to cross a given chunk size, it can set
* this limit and prevent merging across chunks. Note that the block layer
* must accept a page worth of data at any offset. So if the crossing of
* chunks is a hard limitation in the driver, it must still be prepared
* to split single page bios.
**/
void blk_queue_chunk_sectors(struct request_queue *q, unsigned int chunk_sectors)
{
q->limits.chunk_sectors = chunk_sectors;
}
EXPORT_SYMBOL(blk_queue_chunk_sectors);
/**
* blk_queue_max_discard_sectors - set max sectors for a single discard
* @q: the request queue for the device
@ -352,139 +334,6 @@ void blk_queue_max_write_zeroes_sectors(struct request_queue *q,
}
EXPORT_SYMBOL(blk_queue_max_write_zeroes_sectors);
/**
* blk_queue_max_zone_append_sectors - set max sectors for a single zone append
* @q: the request queue for the device
* @max_zone_append_sectors: maximum number of sectors to write per command
*
* Sets the maximum number of sectors allowed for zone append commands. If
* Specifying 0 for @max_zone_append_sectors indicates that the queue does
* not natively support zone append operations and that the block layer must
* emulate these operations using regular writes.
**/
void blk_queue_max_zone_append_sectors(struct request_queue *q,
unsigned int max_zone_append_sectors)
{
unsigned int max_sectors = 0;
if (WARN_ON(!blk_queue_is_zoned(q)))
return;
if (max_zone_append_sectors) {
max_sectors = min(q->limits.max_hw_sectors,
max_zone_append_sectors);
max_sectors = min(q->limits.chunk_sectors, max_sectors);
/*
* Signal eventual driver bugs resulting in the max_zone_append
* sectors limit being 0 due to the chunk_sectors limit (zone
* size) not set or the max_hw_sectors limit not set.
*/
WARN_ON_ONCE(!max_sectors);
}
q->limits.max_zone_append_sectors = max_sectors;
}
EXPORT_SYMBOL_GPL(blk_queue_max_zone_append_sectors);
/**
* blk_queue_logical_block_size - set logical block size for the queue
* @q: the request queue for the device
* @size: the logical block size, in bytes
*
* Description:
* This should be set to the lowest possible block size that the
* storage device can address. The default of 512 covers most
* hardware.
**/
void blk_queue_logical_block_size(struct request_queue *q, unsigned int size)
{
struct queue_limits *limits = &q->limits;
limits->logical_block_size = size;
if (limits->discard_granularity < limits->logical_block_size)
limits->discard_granularity = limits->logical_block_size;
if (limits->physical_block_size < size)
limits->physical_block_size = size;
if (limits->io_min < limits->physical_block_size)
limits->io_min = limits->physical_block_size;
limits->max_hw_sectors =
round_down(limits->max_hw_sectors, size >> SECTOR_SHIFT);
limits->max_sectors =
round_down(limits->max_sectors, size >> SECTOR_SHIFT);
}
EXPORT_SYMBOL(blk_queue_logical_block_size);
/**
* blk_queue_physical_block_size - set physical block size for the queue
* @q: the request queue for the device
* @size: the physical block size, in bytes
*
* Description:
* This should be set to the lowest possible sector size that the
* hardware can operate on without reverting to read-modify-write
* operations.
*/
void blk_queue_physical_block_size(struct request_queue *q, unsigned int size)
{
q->limits.physical_block_size = size;
if (q->limits.physical_block_size < q->limits.logical_block_size)
q->limits.physical_block_size = q->limits.logical_block_size;
if (q->limits.discard_granularity < q->limits.physical_block_size)
q->limits.discard_granularity = q->limits.physical_block_size;
if (q->limits.io_min < q->limits.physical_block_size)
q->limits.io_min = q->limits.physical_block_size;
}
EXPORT_SYMBOL(blk_queue_physical_block_size);
/**
* blk_queue_zone_write_granularity - set zone write granularity for the queue
* @q: the request queue for the zoned device
* @size: the zone write granularity size, in bytes
*
* Description:
* This should be set to the lowest possible size allowing to write in
* sequential zones of a zoned block device.
*/
void blk_queue_zone_write_granularity(struct request_queue *q,
unsigned int size)
{
if (WARN_ON_ONCE(!blk_queue_is_zoned(q)))
return;
q->limits.zone_write_granularity = size;
if (q->limits.zone_write_granularity < q->limits.logical_block_size)
q->limits.zone_write_granularity = q->limits.logical_block_size;
}
EXPORT_SYMBOL_GPL(blk_queue_zone_write_granularity);
/**
* blk_queue_alignment_offset - set physical block alignment offset
* @q: the request queue for the device
* @offset: alignment offset in bytes
*
* Description:
* Some devices are naturally misaligned to compensate for things like
* the legacy DOS partition table 63-sector offset. Low-level drivers
* should call this function for devices whose first sector is not
* naturally aligned.
*/
void blk_queue_alignment_offset(struct request_queue *q, unsigned int offset)
{
q->limits.alignment_offset =
offset & (q->limits.physical_block_size - 1);
q->limits.misaligned = 0;
}
EXPORT_SYMBOL(blk_queue_alignment_offset);
void disk_update_readahead(struct gendisk *disk)
{
blk_apply_bdi_limits(disk->bdi, &disk->queue->limits);
@ -514,26 +363,6 @@ void blk_limits_io_min(struct queue_limits *limits, unsigned int min)
}
EXPORT_SYMBOL(blk_limits_io_min);
/**
* blk_queue_io_min - set minimum request size for the queue
* @q: the request queue for the device
* @min: smallest I/O size in bytes
*
* Description:
* Storage devices may report a granularity or preferred minimum I/O
* size which is the smallest request the device can perform without
* incurring a performance penalty. For disk drives this is often the
* physical block size. For RAID arrays it is often the stripe chunk
* size. A properly aligned multiple of minimum_io_size is the
* preferred request size for workloads where a high number of I/O
* operations is desired.
*/
void blk_queue_io_min(struct request_queue *q, unsigned int min)
{
blk_limits_io_min(&q->limits, min);
}
EXPORT_SYMBOL(blk_queue_io_min);
/**
* blk_limits_io_opt - set optimal request size for a device
* @limits: the queue limits
@ -841,25 +670,6 @@ void blk_queue_write_cache(struct request_queue *q, bool wc, bool fua)
}
EXPORT_SYMBOL_GPL(blk_queue_write_cache);
/**
* disk_set_zoned - inidicate a zoned device
* @disk: gendisk to configure
*/
void disk_set_zoned(struct gendisk *disk)
{
struct request_queue *q = disk->queue;
WARN_ON_ONCE(!IS_ENABLED(CONFIG_BLK_DEV_ZONED));
/*
* Set the zone write granularity to the device logical block
* size by default. The driver can change this value if needed.
*/
q->limits.zoned = true;
blk_queue_zone_write_granularity(q, queue_logical_block_size(q));
}
EXPORT_SYMBOL_GPL(disk_set_zoned);
int bdev_alignment_offset(struct block_device *bdev)
{
struct request_queue *q = bdev_get_queue(bdev);

24
include/linux/blkdev.h
View File

@ -332,8 +332,6 @@ struct queue_limits {
typedef int (*report_zones_cb)(struct blk_zone *zone, unsigned int idx,
void *data);
void disk_set_zoned(struct gendisk *disk);
#define BLK_ALL_ZONES ((unsigned int)-1)
int blkdev_report_zones(struct block_device *bdev, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
@ -638,18 +636,6 @@ static inline unsigned int disk_zone_no(struct gendisk *disk, sector_t sector)
return sector >> ilog2(disk->queue->limits.chunk_sectors);
}
static inline void disk_set_max_open_zones(struct gendisk *disk,
unsigned int max_open_zones)
{
disk->queue->limits.max_open_zones = max_open_zones;
}
static inline void disk_set_max_active_zones(struct gendisk *disk,
unsigned int max_active_zones)
{
disk->queue->limits.max_active_zones = max_active_zones;
}
static inline unsigned int bdev_max_open_zones(struct block_device *bdev)
{
return bdev->bd_disk->queue->limits.max_open_zones;
@ -929,24 +915,14 @@ static inline void queue_limits_cancel_update(struct request_queue *q)
/*
* Access functions for manipulating queue properties
*/
extern void blk_queue_chunk_sectors(struct request_queue *, unsigned int);
void blk_queue_max_secure_erase_sectors(struct request_queue *q,
unsigned int max_sectors);
extern void blk_queue_max_discard_sectors(struct request_queue *q,
unsigned int max_discard_sectors);
extern void blk_queue_max_write_zeroes_sectors(struct request_queue *q,
unsigned int max_write_same_sectors);
extern void blk_queue_logical_block_size(struct request_queue *, unsigned int);
extern void blk_queue_max_zone_append_sectors(struct request_queue *q,
unsigned int max_zone_append_sectors);
extern void blk_queue_physical_block_size(struct request_queue *, unsigned int);
void blk_queue_zone_write_granularity(struct request_queue *q,
unsigned int size);
extern void blk_queue_alignment_offset(struct request_queue *q,
unsigned int alignment);
void disk_update_readahead(struct gendisk *disk);
extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min);
extern void blk_queue_io_min(struct request_queue *q, 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);