Re: [PATCH v2 3/3] staging: erofs: support IO read error injection

From: Chao Yu
Date: Sun Mar 24 2019 - 23:43:43 EST


On 2019/3/25 11:40, Gao Xiang wrote:
> Used to simulate disk IO read error for testing fatal
> error tolerance.
>
> Here are the details,
> 1) use bio->bi_private to indicate super_block
> for non-compressed bios since some (mainly meta)
> pages can be of the corresponding bdev inode;
> 2) get super_block dynamically for compressed bios,
> therefore it could not inject bios full of staging
> pages, yet it doesn't affect the normal usage.
>
> Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx>

Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>

Thanks,