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Message-ID: <uzqxio7wadfe4pb7ehawqmlarxog6w2ljqtgmk7lvxyzefrfko@k327zeywozr3>
Date: Sat, 15 Mar 2025 10:12:38 -0400
From: Ethan Carter Edwards <ethan@...ancedwards.com>
To: Aditya Garg <gargaditya08@...e.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"tytso@....edu" <tytso@....edu>,
"ernesto.mnd.fernandez@...il.com" <ernesto.mnd.fernandez@...il.com>, "dan.carpenter@...aro.org" <dan.carpenter@...aro.org>,
"sven@...npeter.dev" <sven@...npeter.dev>, "ernesto@...ellium.com" <ernesto@...ellium.com>,
"willy@...radead.org" <willy@...radead.org>, "asahi@...ts.linux.dev" <asahi@...ts.linux.dev>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
"linux-staging@...ts.linux.dev" <linux-staging@...ts.linux.dev>
Subject: Re: [RFC PATCH 0/8] staging: apfs: init APFS module
On 25/03/15 07:21AM, Aditya Garg wrote:
>
>
> > On 15 Mar 2025, at 12:39 PM, Aditya Garg <gargaditya08@...e.com> wrote:
> >
> >
> >
> >> On 15 Mar 2025, at 3:27 AM, Ethan Carter Edwards <ethan@...ancedwards.com> wrote:
> >>
> >> Hello everyone,
> >>
> >> This is a follow up patchset to the driver I sent an email about a few
> >> weeks ago [0]. I understand this patchset will probably get rejected,
> >> but I wanted to report on what I have done thus far. I have got the
> >> upstream module imported and building, and it passes some basic tests
> >> so far (I have not tried getting XFS/FStests running yet).
> >>
> >> Like mentioned earlier, some of the files have been moved to folios, but
> >> a large majority of them still use bufferheads. I would like to have
> >> them completely removed before moved from staging/ into fs/.
> >>
> >> I have split everything up into separate commits as best as I could.
> >> Most of the C files rely in functions from other C files, so I included
> >> them all in one patch/commit.
> >>
> >> I am curious to hear everyone's thoughts on this and to start getting
> >> the ball rolling for the code-review process. Please feel free to
> >> include/CC anyone who may be interested in this driver/the review
> >> process. I have included a few people, but have certainly missed others.
> >>
> >> [0]: https://lore.kernel.org/lkml/20250307165054.GA9774@eaf/
> >>
> >> Signed-off-by: Ethan Carter Edwards <ethan@...ancedwards.com>
> >
> > Why hasn’t Ernesto signed-off here, or in any patch? AFAIK, he is the author of the driver.
>
> I can also see your Copyright at some places, which I didn't find in the upstream repo. Did you add some code change?
Yes, there were some slight refactors in some files to get the code
compiling. I only added my copyright in files where I changed things. I
can remove them. I was not sure what to do.
>
> IMO, if you are just maintaining it, doesn't mean you add your copyright. Eg: I maintain the appletbdrm driver, but I didn't write or add anything special in it, so it doesn’t have my copyright.
Sure. That is logical. I'll remove them in the next series.
>
> Also, did you ask Ernesto whether he wants to be a co maintainer?
>
Kinda? https://github.com/linux-apfs/linux-apfs-rw/issues/68#issuecomment-2608400271
See that link. I did not really get an answer, so I decided to start the
process anyways. If he does not want to co-maintain, I completely
understand. I don't want to assume he is willing to. Ultimately, it is
up to him.
Thanks,
Ethan
> >> ---
> >> Ethan Carter Edwards (8):
> >> staging: apfs: init lzfse compression library for APFS
> >> staging: apfs: init unicode.{c,h}
> >> staging: apfs: init apfs_raw.h to handle on-disk structures
> >> staging: apfs: init libzbitmap.{c,h} for decompression
> >> staging: apfs: init APFS
> >> staging: apfs: init build support for APFS
> >> staging: apfs: init TODO and README.rst
> >> MAINTAINERS: apfs: add entry and relevant information
> >>
> >> MAINTAINERS | 6 +
> >> drivers/staging/Kconfig | 2 +
> >> drivers/staging/apfs/Kconfig | 13 +
> >> drivers/staging/apfs/Makefile | 10 +
> >> drivers/staging/apfs/README.rst | 87 +
> >> drivers/staging/apfs/TODO | 7 +
> >> drivers/staging/apfs/apfs.h | 1193 ++++++++
> >> drivers/staging/apfs/apfs_raw.h | 1567 +++++++++++
> >> drivers/staging/apfs/btree.c | 1174 ++++++++
> >> drivers/staging/apfs/compress.c | 442 +++
> >> drivers/staging/apfs/dir.c | 1440 ++++++++++
> >> drivers/staging/apfs/extents.c | 2371 ++++++++++++++++
> >> drivers/staging/apfs/file.c | 164 ++
> >> drivers/staging/apfs/inode.c | 2235 +++++++++++++++
> >> drivers/staging/apfs/key.c | 337 +++
> >> drivers/staging/apfs/libzbitmap.c | 442 +++
> >> drivers/staging/apfs/libzbitmap.h | 31 +
> >> drivers/staging/apfs/lzfse/lzfse.h | 136 +
> >> drivers/staging/apfs/lzfse/lzfse_decode.c | 74 +
> >> drivers/staging/apfs/lzfse/lzfse_decode_base.c | 652 +++++
> >> drivers/staging/apfs/lzfse/lzfse_encode.c | 163 ++
> >> drivers/staging/apfs/lzfse/lzfse_encode_base.c | 826 ++++++
> >> drivers/staging/apfs/lzfse/lzfse_encode_tables.h | 218 ++
> >> drivers/staging/apfs/lzfse/lzfse_fse.c | 217 ++
> >> drivers/staging/apfs/lzfse/lzfse_fse.h | 606 +++++
> >> drivers/staging/apfs/lzfse/lzfse_internal.h | 612 +++++
> >> drivers/staging/apfs/lzfse/lzfse_main.c | 336 +++
> >> drivers/staging/apfs/lzfse/lzfse_tunables.h | 60 +
> >> drivers/staging/apfs/lzfse/lzvn_decode_base.c | 721 +++++
> >> drivers/staging/apfs/lzfse/lzvn_decode_base.h | 68 +
> >> drivers/staging/apfs/lzfse/lzvn_encode_base.c | 593 ++++
> >> drivers/staging/apfs/lzfse/lzvn_encode_base.h | 116 +
> >> drivers/staging/apfs/message.c | 29 +
> >> drivers/staging/apfs/namei.c | 133 +
> >> drivers/staging/apfs/node.c | 2069 ++++++++++++++
> >> drivers/staging/apfs/object.c | 315 +++
> >> drivers/staging/apfs/snapshot.c | 684 +++++
> >> drivers/staging/apfs/spaceman.c | 1433 ++++++++++
> >> drivers/staging/apfs/super.c | 2099 ++++++++++++++
> >> drivers/staging/apfs/symlink.c | 78 +
> >> drivers/staging/apfs/transaction.c | 959 +++++++
> >> drivers/staging/apfs/unicode.c | 3156 ++++++++++++++++++++++
> >> drivers/staging/apfs/unicode.h | 27 +
> >> drivers/staging/apfs/xattr.c | 912 +++++++
> >> drivers/staging/apfs/xfield.c | 171 ++
> >> 45 files changed, 28984 insertions(+)
> >> ---
> >> base-commit: 695caca9345a160ecd9645abab8e70cfe849e9ff
> >> change-id: 20250210-apfs-9d4478785f80
> >>
> >> Best regards,
> >> --
> >> Ethan Carter Edwards <ethan@...ancedwards.com>
>
>
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