Commit 4e42ae1b authored by Liu Bo's avatar Liu Bo Committed by Chris Mason
Browse files

Btrfs: do not resize a seeding device 



Seeding devices are not supposed to change any more.

Signed-off-by: default avatarLiu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@fusionio.com>
parent bc178237

fs/btrfs/ioctl.c

+7 −0
Original line number Diff line number Diff line
@@ -1306,6 +1306,13 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root, 
		ret = -EINVAL;

		goto out_free;

	}

	if (device->fs_devices && device->fs_devices->seeding) {

		printk(KERN_INFO "btrfs: resizer unable to apply on "

		       "seeding device %llu\n", devid);

		ret = -EINVAL;

		goto out_free;

	}



	if (!strcmp(sizestr, "max"))

		new_size = device->bdev->bd_inode->i_size;

	else {