Commit cc975eb4 authored Dec 07, 2012 by Lukas Czerner Committed by Josef Bacik Jan 14, 2013

btrfs: get the device in write mode when deleting it



When we're deleting the device we should get it in write mode since
we're going to re-write the super block magic on that device. And it
should fail if the device is read-only.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>

parent cfa7a9cc

fs/btrfs/volumes.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1431,7 +1431,7 @@ int btrfs_rm_device(struct btrfs_root root, char device_path)
		}
		} else {
		ret = btrfs_get_bdev_and_sb(device_path,
		FMODE_READ \| FMODE_EXCL,
		FMODE_WRITE \| FMODE_EXCL,
		root->fs_info->bdev_holder, 0,
		&bdev, &bh);
		if (ret)