From: Jane Chu <jane.chu@oracle.com>
To: Shiyang Ruan <ruansy.fnst@fujitsu.com>,
linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
nvdimm@lists.linux.dev, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org, dm-devel@redhat.com
Cc: snitzer@redhat.com, djwong@kernel.org, david@fromorbit.com,
dan.j.williams@intel.com, hch@lst.de, agk@redhat.com
Subject: Re: [dm-devel] [PATCH RESEND v6 2/9] dax: Introduce holder for dax_device
Date: Thu, 5 Aug 2021 18:02:34 -0700 [thread overview]
Message-ID: <e844fc54-113f-239d-da23-fa140aeea9d7@oracle.com> (raw)
In-Reply-To: <20210730100158.3117319-3-ruansy.fnst@fujitsu.com>
On 7/30/2021 3:01 AM, Shiyang Ruan wrote:
> --- a/drivers/dax/super.c
> +++ b/drivers/dax/super.c
> @@ -214,6 +214,8 @@ enum dax_device_flags {
> * @cdev: optional character interface for "device dax"
> * @host: optional name for lookups where the device path is not available
> * @private: dax driver private data
> + * @holder_rwsem: prevent unregistration while holder_ops is in progress
> + * @holder_data: holder of a dax_device: could be filesystem or mapped device
> * @flags: state and boolean properties
Perhaps add two documentary lines for @ops and @holder_ops?
> */
> struct dax_device {
> @@ -222,8 +224,11 @@ struct dax_device {
> struct cdev cdev;
> const char *host;
> void *private;
> + struct rw_semaphore holder_rwsem;
> + void *holder_data;
> unsigned long flags;
> const struct dax_operations *ops;
> + const struct dax_holder_operations *holder_ops;
> };
thanks,
-jane
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next prev parent reply other threads:[~2021-08-09 6:53 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 10:01 [dm-devel] [PATCH RESEND v6 0/9] fsdax: introduce fs query to support reflink Shiyang Ruan
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 1/9] pagemap: Introduce ->memory_failure() Shiyang Ruan
2021-08-06 1:17 ` Jane Chu
2021-08-16 17:20 ` Jane Chu
2021-08-17 1:44 ` ruansy.fnst
2021-08-18 5:43 ` Jane Chu
2021-08-18 6:08 ` Jane Chu
2021-08-18 7:52 ` ruansy.fnst
2021-08-18 17:10 ` Dan Williams
2021-08-23 13:21 ` hch
2021-08-18 15:52 ` Darrick J. Wong
2021-08-19 7:18 ` Jane Chu
2021-08-19 8:11 ` Jane Chu
2021-08-19 9:10 ` ruansy.fnst
2021-08-19 20:50 ` Jane Chu
2021-08-20 16:07 ` Dan Williams
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 2/9] dax: Introduce holder for dax_device Shiyang Ruan
2021-08-06 1:02 ` Jane Chu [this message]
2021-08-17 1:45 ` ruansy.fnst
2021-08-20 16:06 ` Dan Williams
2021-08-20 20:19 ` Dan Williams
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 3/9] mm: factor helpers for memory_failure_dev_pagemap Shiyang Ruan
2021-08-06 1:00 ` Jane Chu
2021-08-20 16:54 ` Dan Williams
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 4/9] pmem, mm: Implement ->memory_failure in pmem driver Shiyang Ruan
2021-08-20 20:51 ` Dan Williams
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 5/9] mm: Introduce mf_dax_kill_procs() for fsdax case Shiyang Ruan
2021-08-06 0:59 ` Jane Chu
2021-08-20 22:40 ` Dan Williams
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 6/9] xfs: Implement ->notify_failure() for XFS Shiyang Ruan
2021-08-06 0:50 ` Jane Chu
2021-08-20 22:56 ` Dan Williams
2021-08-20 22:59 ` Dan Williams
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 7/9] dm: Introduce ->rmap() to find bdev offset Shiyang Ruan
2021-08-20 23:46 ` Dan Williams
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 8/9] md: Implement dax_holder_operations Shiyang Ruan
2021-08-06 0:48 ` Jane Chu
2021-08-17 1:59 ` ruansy.fnst
2021-07-30 10:01 ` [dm-devel] [PATCH RESEND v6 9/9] fsdax: add exception for reflinked files Shiyang Ruan
2021-08-06 0:46 ` Jane Chu
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