Lines Matching refs:bdev
13 static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user *arg) in blkpg_ioctl() argument
30 disk = bdev->bd_disk; in blkpg_ioctl()
31 if (bdev != bdev->bd_contains) in blkpg_ioctl()
49 if (p.start & (bdev_logical_block_size(bdev) - 1)) in blkpg_ioctl()
52 mutex_lock(&bdev->bd_mutex); in blkpg_ioctl()
61 mutex_unlock(&bdev->bd_mutex); in blkpg_ioctl()
70 mutex_unlock(&bdev->bd_mutex); in blkpg_ioctl()
92 mutex_lock_nested(&bdev->bd_mutex, 1); in blkpg_ioctl()
94 mutex_unlock(&bdev->bd_mutex); in blkpg_ioctl()
120 mutex_lock_nested(&bdev->bd_mutex, 1); in blkpg_ioctl()
123 mutex_unlock(&bdev->bd_mutex); in blkpg_ioctl()
138 mutex_unlock(&bdev->bd_mutex); in blkpg_ioctl()
148 mutex_unlock(&bdev->bd_mutex); in blkpg_ioctl()
162 int __blkdev_reread_part(struct block_device *bdev) in __blkdev_reread_part() argument
164 struct gendisk *disk = bdev->bd_disk; in __blkdev_reread_part()
166 if (!disk_part_scan_enabled(disk) || bdev != bdev->bd_contains) in __blkdev_reread_part()
171 lockdep_assert_held(&bdev->bd_mutex); in __blkdev_reread_part()
173 return rescan_partitions(disk, bdev); in __blkdev_reread_part()
188 int blkdev_reread_part(struct block_device *bdev) in blkdev_reread_part() argument
192 mutex_lock(&bdev->bd_mutex); in blkdev_reread_part()
193 res = __blkdev_reread_part(bdev); in blkdev_reread_part()
194 mutex_unlock(&bdev->bd_mutex); in blkdev_reread_part()
200 static int blk_ioctl_discard(struct block_device *bdev, fmode_t mode, in blk_ioctl_discard() argument
222 if (start + len > (i_size_read(bdev->bd_inode) >> 9)) in blk_ioctl_discard()
224 return blkdev_issue_discard(bdev, start, len, GFP_KERNEL, flags); in blk_ioctl_discard()
227 static int blk_ioctl_zeroout(struct block_device *bdev, fmode_t mode, in blk_ioctl_zeroout() argument
248 if (end >= (uint64_t)i_size_read(bdev->bd_inode)) in blk_ioctl_zeroout()
254 mapping = bdev->bd_inode->i_mapping; in blk_ioctl_zeroout()
257 return blkdev_issue_zeroout(bdev, start >> 9, len >> 9, GFP_KERNEL, in blk_ioctl_zeroout()
291 int __blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode, in __blkdev_driver_ioctl() argument
294 struct gendisk *disk = bdev->bd_disk; in __blkdev_driver_ioctl()
297 return disk->fops->ioctl(bdev, mode, cmd, arg); in __blkdev_driver_ioctl()
308 static int blkdev_pr_register(struct block_device *bdev, in blkdev_pr_register() argument
311 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_register()
323 return ops->pr_register(bdev, reg.old_key, reg.new_key, reg.flags); in blkdev_pr_register()
326 static int blkdev_pr_reserve(struct block_device *bdev, in blkdev_pr_reserve() argument
329 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_reserve()
341 return ops->pr_reserve(bdev, rsv.key, rsv.type, rsv.flags); in blkdev_pr_reserve()
344 static int blkdev_pr_release(struct block_device *bdev, in blkdev_pr_release() argument
347 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_release()
359 return ops->pr_release(bdev, rsv.key, rsv.type); in blkdev_pr_release()
362 static int blkdev_pr_preempt(struct block_device *bdev, in blkdev_pr_preempt() argument
365 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_preempt()
377 return ops->pr_preempt(bdev, p.old_key, p.new_key, p.type, abort); in blkdev_pr_preempt()
380 static int blkdev_pr_clear(struct block_device *bdev, in blkdev_pr_clear() argument
383 const struct pr_ops *ops = bdev->bd_disk->fops->pr_ops; in blkdev_pr_clear()
395 return ops->pr_clear(bdev, c.key); in blkdev_pr_clear()
418 static int blkdev_flushbuf(struct block_device *bdev, fmode_t mode, in blkdev_flushbuf() argument
426 ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg); in blkdev_flushbuf()
430 fsync_bdev(bdev); in blkdev_flushbuf()
431 invalidate_bdev(bdev); in blkdev_flushbuf()
435 static int blkdev_roset(struct block_device *bdev, fmode_t mode, in blkdev_roset() argument
440 ret = __blkdev_driver_ioctl(bdev, mode, cmd, arg); in blkdev_roset()
447 set_device_ro(bdev, n); in blkdev_roset()
451 static int blkdev_getgeo(struct block_device *bdev, in blkdev_getgeo() argument
454 struct gendisk *disk = bdev->bd_disk; in blkdev_getgeo()
468 geo.start = get_start_sect(bdev); in blkdev_getgeo()
469 ret = disk->fops->getgeo(bdev, &geo); in blkdev_getgeo()
478 static int blkdev_bszset(struct block_device *bdev, fmode_t mode, in blkdev_bszset() argument
491 bdgrab(bdev); in blkdev_bszset()
492 if (blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0) in blkdev_bszset()
496 ret = set_blocksize(bdev, n); in blkdev_bszset()
498 blkdev_put(bdev, mode | FMODE_EXCL); in blkdev_bszset()
505 int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, in blkdev_ioctl() argument
514 return blkdev_flushbuf(bdev, mode, cmd, arg); in blkdev_ioctl()
516 return blkdev_roset(bdev, mode, cmd, arg); in blkdev_ioctl()
518 return blk_ioctl_discard(bdev, mode, arg, 0); in blkdev_ioctl()
520 return blk_ioctl_discard(bdev, mode, arg, in blkdev_ioctl()
523 return blk_ioctl_zeroout(bdev, mode, arg); in blkdev_ioctl()
525 return blkdev_report_zones_ioctl(bdev, mode, cmd, arg); in blkdev_ioctl()
527 return blkdev_reset_zones_ioctl(bdev, mode, cmd, arg); in blkdev_ioctl()
529 return blkdev_getgeo(bdev, argp); in blkdev_ioctl()
534 return put_long(arg, (bdev->bd_bdi->ra_pages*PAGE_SIZE) / 512); in blkdev_ioctl()
536 return put_int(arg, bdev_read_only(bdev) != 0); in blkdev_ioctl()
538 return put_int(arg, block_size(bdev)); in blkdev_ioctl()
540 return put_int(arg, bdev_logical_block_size(bdev)); in blkdev_ioctl()
542 return put_uint(arg, bdev_physical_block_size(bdev)); in blkdev_ioctl()
544 return put_uint(arg, bdev_io_min(bdev)); in blkdev_ioctl()
546 return put_uint(arg, bdev_io_opt(bdev)); in blkdev_ioctl()
548 return put_int(arg, bdev_alignment_offset(bdev)); in blkdev_ioctl()
553 queue_max_sectors(bdev_get_queue(bdev))); in blkdev_ioctl()
556 return put_ushort(arg, !blk_queue_nonrot(bdev_get_queue(bdev))); in blkdev_ioctl()
561 bdev->bd_bdi->ra_pages = (arg * 512) / PAGE_SIZE; in blkdev_ioctl()
564 return blkdev_bszset(bdev, mode, argp); in blkdev_ioctl()
566 return blkpg_ioctl(bdev, argp); in blkdev_ioctl()
568 return blkdev_reread_part(bdev); in blkdev_ioctl()
570 size = i_size_read(bdev->bd_inode); in blkdev_ioctl()
575 return put_u64(arg, i_size_read(bdev->bd_inode)); in blkdev_ioctl()
580 return blk_trace_ioctl(bdev, cmd, argp); in blkdev_ioctl()
582 return blkdev_pr_register(bdev, argp); in blkdev_ioctl()
584 return blkdev_pr_reserve(bdev, argp); in blkdev_ioctl()
586 return blkdev_pr_release(bdev, argp); in blkdev_ioctl()
588 return blkdev_pr_preempt(bdev, argp, false); in blkdev_ioctl()
590 return blkdev_pr_preempt(bdev, argp, true); in blkdev_ioctl()
592 return blkdev_pr_clear(bdev, argp); in blkdev_ioctl()
594 return __blkdev_driver_ioctl(bdev, mode, cmd, arg); in blkdev_ioctl()