From: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
To: Shiyang Ruan <ruansy.fnst@cn.fujitsu.com>,
linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
linux-nvdimm@lists.01.org, linux-mm@kvack.org
Cc: linux-fsdevel@vger.kernel.org, linux-raid@vger.kernel.org,
darrick.wong@oracle.com, dan.j.williams@intel.com,
david@fromorbit.com, hch@lst.de, song@kernel.org,
rgoldwyn@suse.de, qi.fuli@fujitsu.com, y-goto@fujitsu.com
Subject: Re: [PATCH v2 08/10] md: Implement ->corrupted_range()
Date: Tue, 26 Jan 2021 01:50:32 +0100 [thread overview]
Message-ID: <6100b7ca-7968-e1ea-84b8-074dc216a453@cloud.ionos.com> (raw)
In-Reply-To: <20210125225526.1048877-9-ruansy.fnst@cn.fujitsu.com>
On 1/25/21 23:55, Shiyang Ruan wrote:
> With the support of ->rmap(), it is possible to obtain the superblock on
> a mapped device.
>
> If a pmem device is used as one target of mapped device, we cannot
> obtain its superblock directly. With the help of SYSFS, the mapped
> device can be found on the target devices. So, we iterate the
> bdev->bd_holder_disks to obtain its mapped device.
>
> Signed-off-by: Shiyang Ruan <ruansy.fnst@cn.fujitsu.com>
> ---
> drivers/md/dm.c | 61 +++++++++++++++++++++++++++++++++++++++++++
> drivers/nvdimm/pmem.c | 11 +++-----
> fs/block_dev.c | 42 ++++++++++++++++++++++++++++-
> include/linux/genhd.h | 2 ++
> 4 files changed, 107 insertions(+), 9 deletions(-)
I can't see md raid is involved here, perhaps dm-devel need to be cced
instead of raid list. And the subject need to be changed as well.
Thanks,
Guoqing
next prev parent reply other threads:[~2021-01-26 1:32 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-25 22:55 [PATCH v2 00/10] fsdax: introduce fs query to support reflink Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 01/10] pagemap: Introduce ->memory_failure() Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 02/10] blk: Introduce ->corrupted_range() for block device Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 03/10] fs: Introduce ->corrupted_range() for superblock Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 04/10] mm, fsdax: Refactor memory-failure handler for dax mapping Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 05/10] mm, pmem: Implement ->memory_failure() in pmem driver Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 06/10] pmem: Implement ->corrupted_range() for " Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 07/10] dm: Introduce ->rmap() to find bdev offset Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 08/10] md: Implement ->corrupted_range() Shiyang Ruan
2021-01-26 0:50 ` Guoqing Jiang [this message]
2021-01-25 22:55 ` [PATCH v2 09/10] xfs: Implement ->corrupted_range() for XFS Shiyang Ruan
2021-01-25 22:55 ` [PATCH v2 10/10] fs/dax: Remove useless functions Shiyang Ruan
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=6100b7ca-7968-e1ea-84b8-074dc216a453@cloud.ionos.com \
--to=guoqing.jiang@cloud.ionos.com \
--cc=dan.j.williams@intel.com \
--cc=darrick.wong@oracle.com \
--cc=david@fromorbit.com \
--cc=hch@lst.de \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-nvdimm@lists.01.org \
--cc=linux-raid@vger.kernel.org \
--cc=linux-xfs@vger.kernel.org \
--cc=qi.fuli@fujitsu.com \
--cc=rgoldwyn@suse.de \
--cc=ruansy.fnst@cn.fujitsu.com \
--cc=song@kernel.org \
--cc=y-goto@fujitsu.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).