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

From: Yue Hu
Date: Mon Aug 22 2022 - 01:53:34 EST


From: Yue Hu <huyue2@xxxxxxxxxxx>

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@xxxxxxxxxxx/

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(-)

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2.17.1