Re: [PATCH 1/3] staging: erofs: fix error handling when failed to read compresssed data

From: Chao Yu
Date: Sun Mar 24 2019 - 21:44:59 EST

On 2019/3/19 21:54, Gao Xiang wrote:
> Complete read error handling paths for all three kinds of
> compressed pages:
> 1) For cache-managed pages, PG_uptodate will be checked since
> read_endio will unlock and SetPageUptodate for these pages;
> 2) For inplaced pages, read_endio cannot SetPageUptodate directly
> since it should be used to mark the final decompressed data,
> PG_error will be set with page locked for IO error instead;
> 3) For staging pages, PG_error is used, which is similar to
> what we do for inplaced pages.
> Fixes: 3883a79abd02 ("staging: erofs: introduce VLE decompression support")
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.19+
> Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx>

Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>