diff options
| -rw-r--r-- | fs/btrfs/ioctl.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index d389815..0770c91 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3588,6 +3588,20 @@ process_slot: u64 trim = 0; u64 aligned_end = 0; + /* + * Don't copy an inline extent into an offset + * greater than zero. Having an inline extent + * at such an offset results in chaos as btrfs + * isn't prepared for such cases. Just skip + * this case for the same reasons as commented + * at btrfs_ioctl_clone(). + */ + if (last_dest_end > 0) { + ret = -EOPNOTSUPP; + btrfs_end_transaction(trans, root); + goto out; + } + if (off > key.offset) { skip = off - key.offset; new_key.offset += skip; |