linux-kernel - [RFC PATCH 0/2] erofs: support compressed fragments data

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Message-Id: <cover.1661146058.git.huyue2@coolpad.com>
Date:   Mon, 22 Aug 2022 13:52:59 +0800
From:   Yue Hu <zbestahu@...il.com>
To:     xiang@...nel.org, chao@...nel.org
Cc:     linux-erofs@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        zhangwen@...lpad.com, Yue Hu <huyue2@...lpad.com>
Subject: [RFC PATCH 0/2] erofs: support compressed fragments data

From: Yue Hu <huyue2@...lpad.com>

This feature can merge tail of per-file or the whole files into a
special inode to achieve greater compression ratio.

mkfs v4: https://lore.kernel.org/all/cover.1661087840.git.huyue2@coolpad.com/

Yue Hu (2):
  erofs: support on-disk offset for shifted decompression
  erofs: add on-disk compressed fragments support

 fs/erofs/decompressor.c | 15 +++++++----
 fs/erofs/erofs_fs.h     | 26 ++++++++++++++-----
 fs/erofs/internal.h     | 16 +++++++++---
 fs/erofs/super.c        |  6 +++++
 fs/erofs/sysfs.c        |  2 ++
 fs/erofs/zdata.c        | 55 ++++++++++++++++++++++++++++++++++++++++-
 fs/erofs/zmap.c         | 40 +++++++++++++++++++++++++++---
 7 files changed, 141 insertions(+), 19 deletions(-)

-- 
2.17.1