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Check for device resize when rescanning partitions

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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: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Andrew Patterson 2008-09-04 14:27:30 -06:00 committed by Jens Axboe
parent c3279d1454
commit 9bc3ffbfbd
1 changed files with 2 additions and 1 deletions
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3
fs/partitions/check.c
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@ -504,7 +504,6 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
res = invalidate_partition(disk, 0);
if (res)
return res;
bdev->bd_invalidated = 0;
disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY);
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)
disk->fops->revalidate_disk(disk);
check_disk_size_change(disk, bdev);
bdev->bd_invalidated = 0;
if (!get_capacity(disk) || !(state = check_partition(disk, bdev)))
return 0;
if (IS_ERR(state)) /* I/O error reading the partition table */