104  * @disk:	Target disk
106  * Register with sysfs a set of independent access ranges for @disk.
108 int disk_register_independent_access_ranges(struct gendisk *disk)  in disk_register_independent_access_ranges()  argument
110 	struct blk_independent_access_ranges *iars = disk->ia_ranges;  in disk_register_independent_access_ranges()
111 	struct request_queue *q = disk->queue;  in disk_register_independent_access_ranges()
128 		disk->ia_ranges = NULL;  in disk_register_independent_access_ranges()
151 void disk_unregister_independent_access_ranges(struct gendisk *disk)  in disk_unregister_independent_access_ranges()  argument
153 	struct request_queue *q = disk->queue;  in disk_unregister_independent_access_ranges()
154 	struct blk_independent_access_ranges *iars = disk->ia_ranges;  in disk_unregister_independent_access_ranges()
172 	disk->ia_ranges = NULL;  in disk_unregister_independent_access_ranges()
192 static bool disk_check_ia_ranges(struct gendisk *disk,  in disk_check_ia_ranges()  argument
196 	sector_t capacity = get_capacity(disk);  in disk_check_ia_ranges()
225 		pr_warn("Independent access ranges do not match disk capacity\n");  in disk_check_ia_ranges()
232 static bool disk_ia_ranges_changed(struct gendisk *disk,  in disk_ia_ranges_changed()  argument
235 	struct blk_independent_access_ranges *old = disk->ia_ranges;  in disk_ia_ranges_changed()
256  * @disk:		target disk
263 disk_alloc_independent_access_ranges(struct gendisk *disk, int nr_ia_ranges)  in disk_alloc_independent_access_ranges()  argument
268 			    GFP_KERNEL, disk->queue->node);  in disk_alloc_independent_access_ranges()
276  * disk_set_independent_access_ranges - Set a disk independent access ranges
277  * @disk:	target disk
281  * of @disk to @iars. If @iars is NULL and the independent access ranges
286 void disk_set_independent_access_ranges(struct gendisk *disk,  in disk_set_independent_access_ranges()  argument
289 	struct request_queue *q = disk->queue;  in disk_set_independent_access_ranges()
293 	if (iars && !disk_check_ia_ranges(disk, iars)) {  in disk_set_independent_access_ranges()
297 	if (iars && !disk_ia_ranges_changed(disk, iars)) {  in disk_set_independent_access_ranges()
309 	disk_unregister_independent_access_ranges(disk);  in disk_set_independent_access_ranges()
310 	disk->ia_ranges = iars;  in disk_set_independent_access_ranges()
312 		disk_register_independent_access_ranges(disk);  in disk_set_independent_access_ranges()