linux-kernel - [GIT PULL] erofs updates for 6.8-rc1

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Date: Sun, 7 Jan 2024 22:27:56 +0800
From: Gao Xiang <xiang@...nel.org>
To: Linus Torvalds <torvalds@...uxfoundation.org>
Cc: linux-erofs@...ts.ozlabs.org, LKML <linux-kernel@...r.kernel.org>,
	Jingbo Xu <jefflexu@...ux.alibaba.com>, Chao Yu <chao@...nel.org>,
	Yue Hu <huyue2@...lpad.com>
Subject: [GIT PULL] erofs updates for 6.8-rc1

Hi Linus,

Could you consider this pull request for 6.8-rc1?

In this cycle, we'd like to enable basic sub-page compressed data
support for Android ecosystem (for vendors to try out 16k page size
with 4k-block images in their compatibility mode) as well as container
images (so that 4k-block images can be parsed on arm64 cloud servers
using 64k page size.)

In addition, there are several bugfixes and cleanups as usual.  All
commits have been in -next for a while and no potential merge conflict
is observed.

Thanks,
Gao Xiang

The following changes since commit 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab:

  Linux 6.7-rc3 (2023-11-26 19:59:33 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git tags/erofs-for-6.8-rc1

for you to fetch changes up to 070aafcd2482dc31a12a3eda5d459c45496d6fb6:

  erofs: make erofs_{err,info}() support NULL sb parameter (2024-01-04 00:23:13 +0800)

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

 - Add basic sub-page compressed data support;

 - Fix a memory leak on MicroLZMA and DEFLATE compression;

 - Fix a rare LZ4 inplace decompression issue on recent x86 CPUs;

 - Two syzbot fixes around crafted images;

 - Some cleanups.

----------------------------------------------------------------
Chunhai Guo (1):
      erofs: make erofs_{err,info}() support NULL sb parameter

Gao Xiang (10):
      erofs: fix memory leak on short-lived bounced pages
      erofs: fix lz4 inplace decompression
      erofs: support I/O submission for sub-page compressed blocks
      erofs: record `pclustersize` in bytes instead of pages
      erofs: fix up compacted indexes for block size < 4096
      erofs: fix ztailpacking for subpage compressed blocks
      erofs: refine z_erofs_transform_plain() for sub-page block support
      erofs: enable sub-page compressed block support
      erofs: fix inconsistent per-file compression format
      erofs: avoid debugging output for (de)compressed data

Yue Hu (1):
      erofs: allow partially filled compressed bvecs

 fs/erofs/decompressor.c         | 122 +++++++++---------
 fs/erofs/decompressor_deflate.c |   2 +-
 fs/erofs/inode.c                |   6 +-
 fs/erofs/super.c                |  10 +-
 fs/erofs/zdata.c                | 267 ++++++++++++++++++----------------------
 fs/erofs/zmap.c                 |  41 +++---
 6 files changed, 218 insertions(+), 230 deletions(-)