From: Christoph Hellwig <hch@infradead.org>
To: Shiyang Ruan <ruansy.fnst@fujitsu.com>
Cc: linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org,
nvdimm@lists.linux.dev, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org, djwong@kernel.org,
dan.j.williams@intel.com, david@fromorbit.com, hch@infradead.org,
jane.chu@oracle.com
Subject: Re: [PATCH v8 5/9] fsdax: Introduce dax_lock_mapping_entry()
Date: Tue, 14 Dec 2021 07:42:14 -0800 [thread overview]
Message-ID: <Ybi7VmfigwLpUrgO@infradead.org> (raw)
In-Reply-To: <20211202084856.1285285-6-ruansy.fnst@fujitsu.com>
On Thu, Dec 02, 2021 at 04:48:52PM +0800, Shiyang Ruan wrote:
> The current dax_lock_page() locks dax entry by obtaining mapping and
> index in page. To support 1-to-N RMAP in NVDIMM, we need a new function
> to lock a specific dax entry corresponding to this file's mapping,index.
> And BTW, output the page corresponding to the specific dax entry for
> caller use.
s/BTW, //g
> /*
> - * dax_lock_mapping_entry - Lock the DAX entry corresponding to a page
> + * dax_lock_page - Lock the DAX entry corresponding to a page
> * @page: The page whose entry we want to lock
> *
> * Context: Process context.
This should probably got into a separate trivial fix.
Otherwise looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2021-12-14 15:42 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-02 8:48 [RESEND PATCH v8 0/9] fsdax: introduce fs query to support reflink Shiyang Ruan
2021-12-02 8:48 ` [PATCH v8 1/9] dax: Use percpu rwsem for dax_{read,write}_lock() Shiyang Ruan
2021-12-14 15:40 ` Christoph Hellwig
2021-12-15 2:06 ` Shiyang Ruan
2021-12-16 7:46 ` Christoph Hellwig
2021-12-02 8:48 ` [PATCH v8 2/9] dax: Introduce holder for dax_device Shiyang Ruan
2021-12-15 3:09 ` Dan Williams
2021-12-02 8:48 ` [PATCH v8 3/9] mm: factor helpers for memory_failure_dev_pagemap Shiyang Ruan
2021-12-02 8:48 ` [PATCH v8 4/9] pagemap,pmem: Introduce ->memory_failure() Shiyang Ruan
2021-12-02 8:48 ` [PATCH v8 5/9] fsdax: Introduce dax_lock_mapping_entry() Shiyang Ruan
2021-12-14 15:42 ` Christoph Hellwig [this message]
2021-12-02 8:48 ` [PATCH v8 6/9] mm: Introduce mf_dax_kill_procs() for fsdax case Shiyang Ruan
2021-12-14 15:47 ` Christoph Hellwig
2021-12-02 8:48 ` [PATCH v8 7/9] dax: add dax holder helper for filesystems Shiyang Ruan
2021-12-14 15:47 ` Christoph Hellwig
2021-12-15 2:21 ` Shiyang Ruan
2021-12-16 7:46 ` Christoph Hellwig
2021-12-02 8:48 ` [PATCH v8 8/9] xfs: Implement ->notify_failure() for XFS Shiyang Ruan
2021-12-14 15:54 ` Christoph Hellwig
2021-12-14 16:01 ` Darrick J. Wong
2021-12-02 8:48 ` [PATCH v8 9/9] fsdax: set a CoW flag when associate reflink mappings Shiyang Ruan
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