diff options
| -rw-r--r-- | fs/btrfs/volumes.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index da0e632a21fc..00c8efdcd1e5 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1848,8 +1848,12 @@ void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info, if (srcdev->bdev) { fs_info->fs_devices->open_devices--; - /* zero out the old super */ - btrfs_scratch_superblock(srcdev); + /* + * zero out the old super if it is not writable + * (e.g. seed device) + */ + if (srcdev->writeable) + btrfs_scratch_superblock(srcdev); } call_rcu(&srcdev->rcu, free_device); |