diff options
Diffstat (limited to 'block/blk-settings.c')
| -rw-r--r-- | block/blk-settings.c | 37 |
1 files changed, 3 insertions, 34 deletions
diff --git a/block/blk-settings.c b/block/blk-settings.c index 9a2c23cd9700..76a7e03bcd6c 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -456,17 +456,6 @@ void blk_queue_io_opt(struct request_queue *q, unsigned int opt) EXPORT_SYMBOL(blk_queue_io_opt); /** - * blk_queue_stack_limits - inherit underlying queue limits for stacked drivers - * @t: the stacking driver (top) - * @b: the underlying device (bottom) - **/ -void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b) -{ - blk_stack_limits(&t->limits, &b->limits, 0); -} -EXPORT_SYMBOL(blk_queue_stack_limits); - -/** * blk_stack_limits - adjust queue_limits for stacked devices * @t: the stacking driver limits (top device) * @b: the underlying queue limits (bottom, component device) @@ -609,33 +598,12 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b, t->chunk_sectors = min_not_zero(t->chunk_sectors, b->chunk_sectors); + t->zoned = max(t->zoned, b->zoned); return ret; } EXPORT_SYMBOL(blk_stack_limits); /** - * bdev_stack_limits - adjust queue limits for stacked drivers - * @t: the stacking driver limits (top device) - * @bdev: the component block_device (bottom) - * @start: first data sector within component device - * - * Description: - * Merges queue limits for a top device and a block_device. Returns - * 0 if alignment didn't change. Returns -1 if adding the bottom - * device caused misalignment. - */ -int bdev_stack_limits(struct queue_limits *t, struct block_device *bdev, - sector_t start) -{ - struct request_queue *bq = bdev_get_queue(bdev); - - start += get_start_sect(bdev); - - return blk_stack_limits(t, &bq->limits, start); -} -EXPORT_SYMBOL(bdev_stack_limits); - -/** * disk_stack_limits - adjust queue limits for stacked drivers * @disk: MD/DM gendisk (top) * @bdev: the underlying block device (bottom) @@ -650,7 +618,8 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev, { struct request_queue *t = disk->queue; - if (bdev_stack_limits(&t->limits, bdev, offset >> 9) < 0) { + if (blk_stack_limits(&t->limits, &bdev_get_queue(bdev)->limits, + get_start_sect(bdev) + (offset >> 9)) < 0) { char top[BDEVNAME_SIZE], bottom[BDEVNAME_SIZE]; disk_name(disk, 0, top); |