commit dba60f3f5d564167118cad151a7d41dfe8d2a5f7
author Miao Xie <miaox@cn.fujitsu.com> Fri Dec 21 09:19:51 2012 +0000
committer Josef Bacik <josef@toxicpanda.com> Mon Jan 14 13:52:49 2013 -0500
tree ac27d2c6b3797a2f52cc5d34ca1d570684db3be6
parent 5c39da5b6ca23e68e7acea7f4c01470383475214

Btrfs: fix resize a readonly device

We should not resize a readonly device, fix it.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>

fs/btrfs/ioctl.c

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 5a72896..0de2121 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1362,6 +1362,7 @@
 		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 @@
 		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;