> With that in said, maintaining all the machinery for dedup is definitely > non-trivial, and I haven't yet convinced myself it wouldn't be better > done at higher layers. We already have the cow-single-file ioctl, why > not have a userland process go around and create cow links between > identical files.
Can verification + cow-single-file be done atomically with the existing ioctl? Pushing this out into userspace seems reasonable enough, but not if it gives a malicious user a window where they can alter part of their file and have it CoW'd into everyone else's copy. Is this a 1.0 feature? -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
