Attachment 317388 Details for Bug 454872 – check for device resize when rescanning partitions

[patch] check for device resize when rescanning partitions

3-check-for-device-resize-when-rescanning-partitions.patch (text/plain), 1.00 KB, created by Jeff Moyer on 2008-09-22 17:37:31 UTC

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Creator: Jeff Moyer

Created: 2008-09-22 17:37:31 UTC

Size: 1.00 KB

patch

obsolete

>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.
>
>diff -up linux-2.6.9/fs/partitions/check.c.orig linux-2.6.9/fs/partitions/check.c
>--- linux-2.6.9/fs/partitions/check.c.orig	2008-09-02 17:08:40.283353836 -0400
>+++ linux-2.6.9/fs/partitions/check.c	2008-09-22 11:26:46.049731326 -0400
>@@ -405,11 +405,12 @@ int rescan_partitions(struct gendisk *di
> 	res = invalidate_partition(disk, 0);
> 	if (res)
> 		return res;
>-	bdev->bd_invalidated = 0;
> 	for (p = 1; p < disk->minors; p++)
> 		delete_partition(disk, p);
> 	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 */

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Attachments on bug 454872: 317386 | 317387 | 317388 | 317389 | 317390 | 317391