[PATCH 0/2] erofs: add fiemap support with iomap

Gao Xiang hsiangkao at linux.alibaba.com
Fri Aug 13 15:29:29 AEST 2021

Hi folks,

This patchset mainly addresses fiemap support for EROFS. After this
patchset, end users can observe (un)compressed extent distribution
by hand.

The first patch is also useful for later LZMA support in order to
decompress full LZMA extents if needed (according to specific

Btw, the current development status for LZMA is in the following
branches (yet these are not aimed for the next merge window since
it's still some work to do):

Gao Xiang

Gao Xiang (2):
  erofs: add support for the full decompressed length
  erofs: add fiemap support with iomap

 fs/erofs/data.c     |  15 ++++-
 fs/erofs/inode.c    |   1 +
 fs/erofs/internal.h |  10 ++++
 fs/erofs/namei.c    |   1 +
 fs/erofs/zmap.c     | 131 +++++++++++++++++++++++++++++++++++++++++---
 5 files changed, 149 insertions(+), 9 deletions(-)


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