Commit 9bc3ffbf authored by Andrew Patterson's avatar Andrew Patterson Committed by Jens Axboe
Browse files

Check for device resize when rescanning partitions 



Check for device resize in the rescan_partitions() routine. If the device
has been resized, the bdev size is set to match. The rescan_partitions()
routine is called when opening the device and when calling the
BLKRRPART ioctl.

Signed-off-by: default avatarAndrew Patterson <andrew.patterson@hp.com>
Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent c3279d14

fs/partitions/check.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -504,7 +504,6 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) 
	res = invalidate_partition(disk, 0);

	res = invalidate_partition(disk, 0);

	if (res)

	if (res)

		return res;

		return res;

	bdev->bd_invalidated = 0;





	disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY);

	disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY);

	while ((part = disk_part_iter_next(&piter)))

	while ((part = disk_part_iter_next(&piter)))
@@ -513,6 +512,8 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) 




	if (disk->fops->revalidate_disk)

	if (disk->fops->revalidate_disk)

		disk->fops->revalidate_disk(disk);

		disk->fops->revalidate_disk(disk);

	check_disk_size_change(disk, bdev);

	bdev->bd_invalidated = 0;

	if (!get_capacity(disk) || !(state = check_partition(disk, bdev)))

	if (!get_capacity(disk) || !(state = check_partition(disk, bdev)))

		return 0;

		return 0;

	if (IS_ERR(state))	/* I/O error reading the partition table */

	if (IS_ERR(state))	/* I/O error reading the partition table */

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