[PATCH v3 1/5] erofs-utils: add support for the full decompressed length

Gao Xiang hsiangkao at linux.alibaba.com
Tue Nov 9 22:21:32 AEDT 2021


On Fri, Oct 29, 2021 at 05:12:40PM +0800, Guo Xuenan wrote:
> From: Huang Jianan <huangjianan at oppo.com>
> 
> Previously, there is no need to get the full decompressed length since
> EROFS supports partial decompression. However for some other cases
> such as fiemap, the full decompressed length is necessary for iomap to
> make it work properly.
> 
> This patch adds a way to get the full decompressed length. Note that
> it takes more metadata overhead and it'd be avoided if possible in the
> performance sensitive scenario.
> 
> Signed-off-by: Huang Jianan <huangjianan at oppo.com>
> Signed-off-by: Gao Xiang <xiang at kernel.org>

The series has been applied with some clean-up work.


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