Lines Matching refs:bdev
19 static int blkpg_do_ioctl(struct block_device *bdev, in blkpg_do_ioctl() argument
22 struct gendisk *disk = bdev->bd_disk; in blkpg_do_ioctl()
30 if (bdev_is_partition(bdev)) in blkpg_do_ioctl()
42 if (!IS_ALIGNED(p.start | p.length, bdev_logical_block_size(bdev))) in blkpg_do_ioctl()
65 static int blkpg_ioctl(struct block_device *bdev, in blkpg_ioctl() argument
74 return blkpg_do_ioctl(bdev, udata, op); in blkpg_ioctl()
85 static int compat_blkpg_ioctl(struct block_device *bdev, in compat_blkpg_ioctl() argument
94 return blkpg_do_ioctl(bdev, compat_ptr(udata), op); in compat_blkpg_ioctl()
103 static int blk_validate_byte_range(struct block_device *bdev, in blk_validate_byte_range() argument
106 unsigned int bs_mask = bdev_logical_block_size(bdev) - 1; in blk_validate_byte_range()
113 if (check_add_overflow(start, len, &end) || end > bdev_nr_bytes(bdev)) in blk_validate_byte_range()
119 static int blk_ioctl_discard(struct block_device *bdev, blk_mode_t mode, in blk_ioctl_discard() argument
133 if (!bdev_max_discard_sectors(bdev)) in blk_ioctl_discard()
138 if (bdev_read_only(bdev)) in blk_ioctl_discard()
140 err = blk_validate_byte_range(bdev, start, len); in blk_ioctl_discard()
144 filemap_invalidate_lock(bdev->bd_mapping); in blk_ioctl_discard()
145 err = truncate_bdev_range(bdev, mode, start, start + len - 1); in blk_ioctl_discard()
160 bio = blk_alloc_discard_bio(bdev, §or, &nr_sects, in blk_ioctl_discard()
175 filemap_invalidate_unlock(bdev->bd_mapping); in blk_ioctl_discard()
179 static int blk_ioctl_secure_erase(struct block_device *bdev, blk_mode_t mode, in blk_ioctl_secure_erase() argument
188 if (!bdev_max_secure_erase_sectors(bdev)) in blk_ioctl_secure_erase()
198 end > bdev_nr_bytes(bdev)) in blk_ioctl_secure_erase()
201 filemap_invalidate_lock(bdev->bd_mapping); in blk_ioctl_secure_erase()
202 err = truncate_bdev_range(bdev, mode, start, end - 1); in blk_ioctl_secure_erase()
204 err = blkdev_issue_secure_erase(bdev, start >> 9, len >> 9, in blk_ioctl_secure_erase()
206 filemap_invalidate_unlock(bdev->bd_mapping); in blk_ioctl_secure_erase()
211 static int blk_ioctl_zeroout(struct block_device *bdev, blk_mode_t mode, in blk_ioctl_zeroout() argument
232 if (end >= (uint64_t)bdev_nr_bytes(bdev)) in blk_ioctl_zeroout()
238 filemap_invalidate_lock(bdev->bd_mapping); in blk_ioctl_zeroout()
239 err = truncate_bdev_range(bdev, mode, start, end); in blk_ioctl_zeroout()
243 err = blkdev_issue_zeroout(bdev, start >> 9, len >> 9, GFP_KERNEL, in blk_ioctl_zeroout()
247 filemap_invalidate_unlock(bdev->bd_mapping); in blk_ioctl_zeroout()
299 int blkdev_compat_ptr_ioctl(struct block_device *bdev, blk_mode_t mode, in blkdev_compat_ptr_ioctl() argument
302 struct gendisk *disk = bdev->bd_disk; in blkdev_compat_ptr_ioctl()
305 return disk->fops->ioctl(bdev, mode, cmd, in blkdev_compat_ptr_ioctl()
313 static bool blkdev_pr_allowed(struct block_device *bdev, blk_mode_t mode) in blkdev_pr_allowed() argument
316 if (bdev_is_partition(bdev)) in blkdev_pr_allowed()
328 static int blkdev_pr_register(struct block_device *bdev, blk_mode_t mode, in blkdev_pr_register() argument
331 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_register()
334 if (!blkdev_pr_allowed(bdev, mode)) in blkdev_pr_register()
343 return ops->pr_register(bdev, reg.old_key, reg.new_key, reg.flags); in blkdev_pr_register()
346 static int blkdev_pr_reserve(struct block_device *bdev, blk_mode_t mode, in blkdev_pr_reserve() argument
349 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_reserve()
352 if (!blkdev_pr_allowed(bdev, mode)) in blkdev_pr_reserve()
361 return ops->pr_reserve(bdev, rsv.key, rsv.type, rsv.flags); in blkdev_pr_reserve()
364 static int blkdev_pr_release(struct block_device *bdev, blk_mode_t mode, in blkdev_pr_release() argument
367 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_release()
370 if (!blkdev_pr_allowed(bdev, mode)) in blkdev_pr_release()
379 return ops->pr_release(bdev, rsv.key, rsv.type); in blkdev_pr_release()
382 static int blkdev_pr_preempt(struct block_device *bdev, blk_mode_t mode, in blkdev_pr_preempt() argument
385 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_preempt()
388 if (!blkdev_pr_allowed(bdev, mode)) in blkdev_pr_preempt()
397 return ops->pr_preempt(bdev, p.old_key, p.new_key, p.type, abort); in blkdev_pr_preempt()
400 static int blkdev_pr_clear(struct block_device *bdev, blk_mode_t mode, in blkdev_pr_clear() argument
403 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_clear()
406 if (!blkdev_pr_allowed(bdev, mode)) in blkdev_pr_clear()
415 return ops->pr_clear(bdev, c.key); in blkdev_pr_clear()
418 static int blkdev_flushbuf(struct block_device *bdev, unsigned cmd, in blkdev_flushbuf() argument
424 mutex_lock(&bdev->bd_holder_lock); in blkdev_flushbuf()
425 if (bdev->bd_holder_ops && bdev->bd_holder_ops->sync) in blkdev_flushbuf()
426 bdev->bd_holder_ops->sync(bdev); in blkdev_flushbuf()
428 mutex_unlock(&bdev->bd_holder_lock); in blkdev_flushbuf()
429 sync_blockdev(bdev); in blkdev_flushbuf()
432 invalidate_bdev(bdev); in blkdev_flushbuf()
436 static int blkdev_roset(struct block_device *bdev, unsigned cmd, in blkdev_roset() argument
446 if (bdev->bd_disk->fops->set_read_only) { in blkdev_roset()
447 ret = bdev->bd_disk->fops->set_read_only(bdev, n); in blkdev_roset()
452 bdev_set_flag(bdev, BD_READ_ONLY); in blkdev_roset()
454 bdev_clear_flag(bdev, BD_READ_ONLY); in blkdev_roset()
458 static int blkdev_getgeo(struct block_device *bdev, in blkdev_getgeo() argument
461 struct gendisk *disk = bdev->bd_disk; in blkdev_getgeo()
475 geo.start = get_start_sect(bdev); in blkdev_getgeo()
476 ret = disk->fops->getgeo(bdev, &geo); in blkdev_getgeo()
492 static int compat_hdio_getgeo(struct block_device *bdev, in compat_hdio_getgeo() argument
495 struct gendisk *disk = bdev->bd_disk; in compat_hdio_getgeo()
509 geo.start = get_start_sect(bdev); in compat_hdio_getgeo()
510 ret = disk->fops->getgeo(bdev, &geo); in compat_hdio_getgeo()
556 static int blkdev_common_ioctl(struct block_device *bdev, blk_mode_t mode, in blkdev_common_ioctl() argument
564 return blkdev_flushbuf(bdev, cmd, arg); in blkdev_common_ioctl()
566 return blkdev_roset(bdev, cmd, arg); in blkdev_common_ioctl()
568 return blk_ioctl_discard(bdev, mode, arg); in blkdev_common_ioctl()
570 return blk_ioctl_secure_erase(bdev, mode, argp); in blkdev_common_ioctl()
572 return blk_ioctl_zeroout(bdev, mode, arg); in blkdev_common_ioctl()
574 return put_u64(argp, bdev->bd_disk->diskseq); in blkdev_common_ioctl()
576 return blkdev_report_zones_ioctl(bdev, cmd, arg); in blkdev_common_ioctl()
581 return blkdev_zone_mgmt_ioctl(bdev, mode, cmd, arg); in blkdev_common_ioctl()
583 return put_uint(argp, bdev_zone_sectors(bdev)); in blkdev_common_ioctl()
585 return put_uint(argp, bdev_nr_zones(bdev)); in blkdev_common_ioctl()
587 return put_int(argp, bdev_read_only(bdev) != 0); in blkdev_common_ioctl()
589 return put_int(argp, bdev_logical_block_size(bdev)); in blkdev_common_ioctl()
591 return put_uint(argp, bdev_physical_block_size(bdev)); in blkdev_common_ioctl()
593 return put_uint(argp, bdev_io_min(bdev)); in blkdev_common_ioctl()
595 return put_uint(argp, bdev_io_opt(bdev)); in blkdev_common_ioctl()
597 return put_int(argp, bdev_alignment_offset(bdev)); in blkdev_common_ioctl()
602 queue_max_sectors(bdev_get_queue(bdev))); in blkdev_common_ioctl()
605 return put_ushort(argp, !bdev_nonrot(bdev)); in blkdev_common_ioctl()
610 bdev->bd_disk->bdi->ra_pages = (arg * 512) / PAGE_SIZE; in blkdev_common_ioctl()
615 if (bdev_is_partition(bdev)) in blkdev_common_ioctl()
617 return disk_scan_partitions(bdev->bd_disk, in blkdev_common_ioctl()
622 return blk_trace_ioctl(bdev, cmd, argp); in blkdev_common_ioctl()
624 return blkdev_pr_register(bdev, mode, argp); in blkdev_common_ioctl()
626 return blkdev_pr_reserve(bdev, mode, argp); in blkdev_common_ioctl()
628 return blkdev_pr_release(bdev, mode, argp); in blkdev_common_ioctl()
630 return blkdev_pr_preempt(bdev, mode, argp, false); in blkdev_common_ioctl()
632 return blkdev_pr_preempt(bdev, mode, argp, true); in blkdev_common_ioctl()
634 return blkdev_pr_clear(bdev, mode, argp); in blkdev_common_ioctl()
648 struct block_device *bdev = I_BDEV(file->f_mapping->host); in blkdev_ioctl() local
656 return blkdev_getgeo(bdev, argp); in blkdev_ioctl()
658 return blkpg_ioctl(bdev, argp); in blkdev_ioctl()
666 (bdev->bd_disk->bdi->ra_pages * PAGE_SIZE) / 512); in blkdev_ioctl()
668 if (bdev_nr_sectors(bdev) > ~0UL) in blkdev_ioctl()
670 return put_ulong(argp, bdev_nr_sectors(bdev)); in blkdev_ioctl()
674 return put_int(argp, block_size(bdev)); in blkdev_ioctl()
678 return put_u64(argp, bdev_nr_bytes(bdev)); in blkdev_ioctl()
682 return blk_trace_ioctl(bdev, cmd, argp); in blkdev_ioctl()
687 ret = blkdev_common_ioctl(bdev, mode, cmd, arg, argp); in blkdev_ioctl()
691 if (!bdev->bd_disk->fops->ioctl) in blkdev_ioctl()
693 return bdev->bd_disk->fops->ioctl(bdev, mode, cmd, arg); in blkdev_ioctl()
709 struct block_device *bdev = I_BDEV(file->f_mapping->host); in compat_blkdev_ioctl() local
710 struct gendisk *disk = bdev->bd_disk; in compat_blkdev_ioctl()
716 return compat_hdio_getgeo(bdev, argp); in compat_blkdev_ioctl()
718 return compat_blkpg_ioctl(bdev, argp); in compat_blkdev_ioctl()
726 (bdev->bd_disk->bdi->ra_pages * PAGE_SIZE) / 512); in compat_blkdev_ioctl()
728 if (bdev_nr_sectors(bdev) > ~(compat_ulong_t)0) in compat_blkdev_ioctl()
730 return compat_put_ulong(argp, bdev_nr_sectors(bdev)); in compat_blkdev_ioctl()
734 return put_int(argp, bdev_logical_block_size(bdev)); in compat_blkdev_ioctl()
738 return put_u64(argp, bdev_nr_bytes(bdev)); in compat_blkdev_ioctl()
742 return blk_trace_ioctl(bdev, cmd, argp); in compat_blkdev_ioctl()
747 ret = blkdev_common_ioctl(bdev, mode, cmd, arg, argp); in compat_blkdev_ioctl()
749 ret = disk->fops->compat_ioctl(bdev, mode, cmd, arg); in compat_blkdev_ioctl()
783 struct block_device *bdev, in blkdev_cmd_discard() argument
793 if (!bdev_max_discard_sectors(bdev)) in blkdev_cmd_discard()
797 if (bdev_read_only(bdev)) in blkdev_cmd_discard()
799 err = blk_validate_byte_range(bdev, start, len); in blkdev_cmd_discard()
803 err = filemap_invalidate_pages(bdev->bd_mapping, start, in blkdev_cmd_discard()
809 bio = blk_alloc_discard_bio(bdev, §or, &nr_sects, gfp); in blkdev_cmd_discard()
841 struct block_device *bdev = I_BDEV(cmd->file->f_mapping->host); in blkdev_uring_cmd() local
859 return blkdev_cmd_discard(cmd, bdev, start, len, bic->nowait); in blkdev_uring_cmd()