[PATCH v1.1 1/2] erofs: add support for the full decompressed length
chao at kernel.org
Thu Aug 19 00:11:32 AEST 2021
On 2021/8/14 23:27, Gao Xiang wrote:
> 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: Gao Xiang <hsiangkao at linux.alibaba.com>
Reviewed-by: Chao Yu <chao at kernel.org>
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