Commit dba60f3f authored by Miao Xie's avatar Miao Xie Committed by Josef Bacik
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Btrfs: fix resize a readonly device 



We should not resize a readonly device, fix it.

Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarJosef Bacik <jbacik@fusionio.com>
parent 5c39da5b

fs/btrfs/ioctl.c

+4 −2
Original line number Diff line number Diff line
@@ -1362,6 +1362,7 @@ static noinline int btrfs_ioctl_resize(struct file *file, 
		printk(KERN_INFO "btrfs: resizing devid %llu\n",

		       (unsigned long long)devid);

	}



	device = btrfs_find_device(root->fs_info, devid, NULL, NULL);

	if (!device) {

		printk(KERN_INFO "btrfs: resizer unable to find device %llu\n",
@@ -1369,9 +1370,10 @@ static noinline int btrfs_ioctl_resize(struct file *file, 
		ret = -EINVAL;

		goto out_free;

	}

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



	if (!device->writeable) {

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

		       "seeding device %llu\n",

		       "readonly device %llu\n",

		       (unsigned long long)devid);

		ret = -EINVAL;

		goto out_free;