Comment 25 for bug 1305335

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Tyler Hicks (tyhicks) wrote :

The `cp --reflink=always test test.bak` is always issuing the BTRFS_IOC_CLONE ioctl, even on non-btrfs filesystems. eCryptfs passes ioctls down to the lower filesystem but I suspect that it should stop doing that altogether or possibly only allow a white list of known good ioctls.