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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH 13/14] block: remove unused queue limits API
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@xxxxxx>
Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>
---
block/blk-settings.c | 190 -----------------------------------------
include/linux/blkdev.h | 24 ------
2 files changed, 214 deletions(-)
diff --git a/block/blk-settings.c b/block/blk-settings.c
index a49abdb3554834..0b038729608f4b 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -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);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 24c36929920b76..ad995e7a769811 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -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);
--
2.43.0
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