From: Rik van Riel <riel@redhat.com>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: add replace_page_cache_page() function
Date: Wed, 15 Dec 2010 11:49:38 -0500 [thread overview]
Message-ID: <4D08F1A2.6040801@redhat.com> (raw)
In-Reply-To: <E1PStc6-0006Cd-0Z@pomaz-ex.szeredi.hu>
On 12/15/2010 10:49 AM, Miklos Szeredi wrote:
> From: Miklos Szeredi<mszeredi@suse.cz>
>
> This function basically does:
>
> remove_from_page_cache(old);
> page_cache_release(old);
> add_to_page_cache_locked(new);
>
> Except it does this atomically, so there's no possibility for the
> "add" to fail because of a race.
>
> This is used by fuse to move pages into the page cache.
>
> Signed-off-by: Miklos Szeredi<mszeredi@suse.cz>
Acked-by: Rik van Riel <riel@redhat.com>
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next prev parent reply other threads:[~2010-12-15 16:50 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-15 15:49 [PATCH] mm: add replace_page_cache_page() function Miklos Szeredi
2010-12-15 16:49 ` Rik van Riel [this message]
2010-12-15 23:22 ` Minchan Kim
2010-12-16 11:59 ` Miklos Szeredi
2010-12-16 22:04 ` Minchan Kim
2010-12-17 1:21 ` Hugh Dickins
2010-12-17 1:40 ` Minchan Kim
2010-12-17 2:10 ` Hugh Dickins
2010-12-17 4:37 ` Minchan Kim
2010-12-17 15:53 ` Miklos Szeredi
2010-12-16 1:07 ` KAMEZAWA Hiroyuki
2010-12-16 12:05 ` Miklos Szeredi
2010-12-17 0:01 ` KAMEZAWA Hiroyuki
2010-12-17 15:51 ` Miklos Szeredi
2010-12-19 23:54 ` KAMEZAWA Hiroyuki
-- strict thread matches above, loose matches on Subject: below --
2011-01-07 18:22 Miklos Szeredi
2011-01-11 2:29 ` KAMEZAWA Hiroyuki
2011-01-11 3:53 ` Daisuke Nishimura
2011-01-11 9:38 ` Miklos Szeredi
2011-01-11 5:41 ` Minchan Kim
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