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Date:   Mon, 21 Mar 2022 15:45:38 +0800
From:   Gao Xiang <xiang@kernel.org>
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     LKML <linux-kernel@vger.kernel.org>, Chao Yu <chao@kernel.org>,
        linux-erofs@lists.ozlabs.org,
        Jeffle Xu <jefflexu@linux.alibaba.com>,
        lihongnan <hongnan.lhn@alibaba-inc.com>,
        Dongliang Mu <mudongliangabcd@gmail.com>,
        David Anderson <dvander@google.com>
Subject: [GIT PULL] erofs updates for 5.18-rc1
Message-ID: <YjgtIqJK0Io+zYeI@debian>
Mail-Followup-To: Linus Torvalds <torvalds@linux-foundation.org>,
        LKML <linux-kernel@vger.kernel.org>, Chao Yu <chao@kernel.org>,
        linux-erofs@lists.ozlabs.org,
        Jeffle Xu <jefflexu@linux.alibaba.com>,
        lihongnan <hongnan.lhn@alibaba-inc.com>,
        Dongliang Mu <mudongliangabcd@gmail.com>,
        David Anderson <dvander@google.com>
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Hi Linus,

Could you consider this pull request for 5.18-rc1?

In this cycle, we continue converting to use meta buffers for all
remaining uncompressed paths to prepare for the upcoming subpage,
folio and fscache features.

We also fixed a double-free issue when sysfs initialization fails,
which was reported by syzbot.

Besides, in order for the userspace to control per-file timestamp
easier, we now switch to record mtime instead of ctime with a
compatible feature marked. And there are also some code cleanups
and documentation update as usual.

All commits have been in -next for a while and there is a minor
trivial merge conflict with folio -next tree [1].

Thanks,
Gao Xiang

[1] https://lore.kernel.org/r/20220315203112.03f6120c@canb.auug.org.au

The following changes since commit ffb217a13a2eaf6d5bd974fc83036a53ca69f1e2:

  Linux 5.17-rc7 (2022-03-06 14:28:31 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git tags/erofs-for-5.18-rc1

for you to fetch changes up to a1108dcd9373a98f7018aa4310076260b8ecfc0b:

  erofs: rename ctime to mtime (2022-03-17 23:41:14 +0800)

----------------------------------------------------------------
Changes since last update:

 - Avoid using page structure directly for all uncompressed paths;

 - Fix a double-free issue when sysfs initialization fails;

 - Complete DAX description for erofs;

 - Use mtime instead since there's no (easy) way for users to control
   ctime;

 - Several code cleanups.

----------------------------------------------------------------
David Anderson (1):
      erofs: rename ctime to mtime

Dongliang Mu (1):
      fs: erofs: add sanity check for kobject in erofs_unregister_sysfs

Gao Xiang (7):
      erofs: get rid of `struct z_erofs_collector'
      erofs: clean up preload_compressed_pages()
      erofs: silence warnings related to impossible m_plen
      erofs: clean up z_erofs_extent_lookback
      erofs: refine managed inode stuffs
      erofs: use meta buffers for reading directories
      erofs: use meta buffers for inode lookup

Jeffle Xu (1):
      erofs: use meta buffers for erofs_read_superblock()

lihongnan (1):
      Documentation/filesystem/dax: update DAX description on erofs

 Documentation/filesystems/dax.rst   |   6 +-
 Documentation/filesystems/erofs.rst |   2 +-
 fs/erofs/data.c                     |  12 ++-
 fs/erofs/dir.c                      |  21 ++--
 fs/erofs/erofs_fs.h                 |   5 +-
 fs/erofs/inode.c                    |   4 +-
 fs/erofs/internal.h                 |   2 +
 fs/erofs/namei.c                    |  54 +++++------
 fs/erofs/super.c                    |  21 ++--
 fs/erofs/sysfs.c                    |   8 +-
 fs/erofs/zdata.c                    | 184 +++++++++++++++++-------------------
 fs/erofs/zmap.c                     |  71 +++++++-------
 12 files changed, 189 insertions(+), 201 deletions(-)