Re: [PATCH v2 0/4] dedupe smb unicode files

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No objections to this on my part.  If Shaggy is ok with the JFS
change, we could target it for 6.6-rc1 if it tests out ok

On Wed, Jul 12, 2023 at 6:28 PM Dr. David Alan Gilbert <dave@xxxxxxxxxxx> wrote:
>
> * linux@xxxxxxxxxxx (linux@xxxxxxxxxxx) wrote:
> > From: "Dr. David Alan Gilbert" <linux@xxxxxxxxxxx>
> >
> > The smb client and server code have (mostly) duplicated code
> > for unicode manipulation, in particular upper case handling.
> >
> > Flatten this lot into shared code.
>
> Gentle two week ping on this please.
>
> Dave
>
> (Apologies to the 3 of you who already got a copy of this ping,
> recent due to a missing header ',' )
>
> > There's some code that's slightly different between the two, and
> > I've not attempted to share that - this should be strictly a no
> > behaviour change set.
> >
> > In addition, the same tables and code are shared in jfs, however
> > there's very little testing available for the unicode in there,
> > so just share the raw data tables.
> >
> > I suspect there's more UCS-2 code that can be shared, in the NLS code
> > and in the UCS-2 code used by the EFI interfaces.
> >
> > Lightly tested with a module and a monolithic build, and just mounting
> > itself.
> >
> > This dupe was found using PMD:
> >   https://pmd.github.io/pmd/pmd_userdocs_cpd.html
> >
> > Dave
> >
> > Version 2
> >   Moved the shared code to fs/nls after v1 feedback.
> >   Renamed shared tables from Smb to Nls prefix
> >   Move UniStrcat as well
> >   Share the JFS tables
> >
> > Dr. David Alan Gilbert (4):
> >   fs/smb: Remove unicode 'lower' tables
> >   fs/smb: Swing unicode common code from smb->NLS
> >   fs/smb/client: Use common code in client
> >   fs/jfs: Use common ucs2 upper case table
> >
> >  fs/jfs/Kconfig               |   1 +
> >  fs/jfs/Makefile              |   2 +-
> >  fs/jfs/jfs_unicode.h         |  17 +-
> >  fs/jfs/jfs_uniupr.c          | 121 -------------
> >  fs/nls/Kconfig               |   8 +
> >  fs/nls/Makefile              |   1 +
> >  fs/nls/nls_ucs2_data.h       |  15 ++
> >  fs/nls/nls_ucs2_utils.c      | 144 +++++++++++++++
> >  fs/nls/nls_ucs2_utils.h      | 285 ++++++++++++++++++++++++++++++
> >  fs/smb/client/Kconfig        |   1 +
> >  fs/smb/client/cifs_unicode.c |   1 -
> >  fs/smb/client/cifs_unicode.h | 330 +----------------------------------
> >  fs/smb/client/cifs_uniupr.h  | 239 -------------------------
> >  fs/smb/server/Kconfig        |   1 +
> >  fs/smb/server/unicode.c      |   1 -
> >  fs/smb/server/unicode.h      | 325 +---------------------------------
> >  fs/smb/server/uniupr.h       | 268 ----------------------------
> >  17 files changed, 467 insertions(+), 1293 deletions(-)
> >  delete mode 100644 fs/jfs/jfs_uniupr.c
> >  create mode 100644 fs/nls/nls_ucs2_data.h
> >  create mode 100644 fs/nls/nls_ucs2_utils.c
> >  create mode 100644 fs/nls/nls_ucs2_utils.h
> >  delete mode 100644 fs/smb/client/cifs_uniupr.h
> >  delete mode 100644 fs/smb/server/uniupr.h
> >
> > --
> > 2.41.0
> >
> --
>  -----Open up your eyes, open up your mind, open up your code -------
> / Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \
> \        dave @ treblig.org |                               | In Hex /
>  \ _________________________|_____ http://www.treblig.org   |_______/



-- 
Thanks,

Steve




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