diff options
| -rw-r--r-- | block/blk-settings.c | 42 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 2 |
2 files changed, 0 insertions, 44 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index cd8a8eabc9a5..a446654ddee5 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -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) { diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 643c9020a35a..50c3b959da28 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -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, |