linux-kernel - Re: [PATCH 5/6] fs: Remove noop_set_page

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Message-ID: <20210615163842.GE1600@lst.de>
Date:   Tue, 15 Jun 2021 18:38:42 +0200
From:   Christoph Hellwig <hch@....de>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     Christoph Hellwig <hch@....de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jan Kara <jack@...e.cz>, Al Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] fs: Remove noop_set_page_dirty()

On Tue, Jun 15, 2021 at 05:23:41PM +0100, Matthew Wilcox (Oracle) wrote:
> Use __set_page_dirty_no_writeback() instead.  This will set the dirty
> bit on the page, which will be used to avoid calling set_page_dirty()
> in the future.  It will have no effect on actually writing the page
> back, as the pages are not on any LRU lists.

Looks sane to me, but I'd really like to have Dan to look over this..