[stgt] [PATCH 00/15] ssc code updates

[FUJITA Tomonori]

As discussed, we need to rewrite the current ssc code. Richard and
Mark submitted different ssc implementations respectively. I made this
patchset of them.

This patchset enables me to do backup and restore with BakBone
NetVault.

There are several differences in the implementations of Richard and
Mark. One of the major differences is a way to store metadata. The
former uses two files for user data and metadata and the latter stores
both in a single file (note that xattr is too small for ssc
metadata). In short, the former can be faster but it's more handy for
users to handle a single file. IMO, either is fine but I chose the
latter approach (we might change this but there are tons of things to
do before worrying about the performance).

As I said, there are lots of things to fix and implement. We need to
change the on-disk metadata format (currently there is no
compatibility among architectures. Another change I want is putting
checksum for integrity). So it's not ready to store important data
with it but hopefully it's good enough to play with it.

I also put this patchset in the ssc branch of the git tree:

git://git.kernel.org/pub/scm/linux/kernel/git/tomo/tgt.git ssc

I'll merge this patchset soon unless anyone is against it.



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