From: Chao Yu <yuchao0@huawei.com>
To: Gao Xiang <gaoxiang25@huawei.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
<devel@driverdev.osuosl.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
<linux-erofs@lists.ozlabs.org>, "Chao Yu" <chao@kernel.org>,
Miao Xie <miaoxie@huawei.com>, <weidu.du@huawei.com>,
Fang Wei <fangwei1@huawei.com>
Subject: Re: [PATCH v2 3/3] staging: erofs: support IO read error injection
Date: Mon, 25 Mar 2019 11:43:46 +0800 [thread overview]
Message-ID: <2719c5f6-b6db-65bf-6c7e-3fa25dbcbf6f@huawei.com> (raw)
In-Reply-To: <20190325034009.38611-3-gaoxiang25@huawei.com>
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@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Thanks,
prev parent reply other threads:[~2019-03-25 3:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-25 3:40 [PATCH v2 1/3] staging: erofs: fix error handling when failed to read compresssed data Gao Xiang
2019-03-25 3:40 ` [PATCH v2 2/3] staging: erofs: introduce erofs_page_is_managed() Gao Xiang
2019-03-25 3:40 ` [PATCH v2 3/3] staging: erofs: support IO read error injection Gao Xiang
2019-03-25 3:43 ` Chao Yu [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2719c5f6-b6db-65bf-6c7e-3fa25dbcbf6f@huawei.com \
--to=yuchao0@huawei.com \
--cc=chao@kernel.org \
--cc=devel@driverdev.osuosl.org \
--cc=fangwei1@huawei.com \
--cc=gaoxiang25@huawei.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-erofs@lists.ozlabs.org \
--cc=linux-kernel@vger.kernel.org \
--cc=miaoxie@huawei.com \
--cc=weidu.du@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).