From: Nikita Danilov <nikita@clusterfs.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-fsdevel@vger.kernel.org, ext2-devel@lists.sourceforge.net,
Badari Pulavarty <pbadari@us.ibm.com>
Subject: Re: Bufferheads & page-cache reference
Date: Tue, 15 Feb 2005 22:07:09 +0300 [thread overview]
Message-ID: <m1k6p9myle.fsf@clusterfs.com> (raw)
In-Reply-To: <20050215095443.3e646401.akpm@osdl.org> (Andrew Morton's message of "Tue, 15 Feb 2005 09:54:43 -0800")
Andrew Morton <akpm@osdl.org> writes:
> Badari Pulavarty <pbadari@us.ibm.com> wrote:
>>
>> Yep. nobh_prepare_write() doesn't add any bufferheads. But
>> we call block_write_full_page() even for "nobh" case, which
>> does create bufferheads, attaches to the page and operates
>> on them..
>
> hmm, yeah, OK, we'll attach bh's in that case. It's a rare case though -
> when a dirty page falls off the end of the LRU. There's no particular
Maybe DB2 dirties pages through mmap?
Nikita.
next prev parent reply other threads:[~2005-02-15 19:07 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-14 19:30 Bufferheads & page-cache reference Badari Pulavarty
2005-02-14 19:31 ` [Ext2-devel] " Sonny Rao
2005-02-14 21:40 ` Andrew Morton
2005-02-14 22:10 ` William Lee Irwin III
2005-02-14 22:31 ` Andrew Morton
2005-02-14 22:50 ` William Lee Irwin III
2005-02-15 0:22 ` Badari Pulavarty
2005-02-15 2:57 ` Andrew Morton
2005-02-15 16:03 ` Badari Pulavarty
2005-02-15 17:26 ` Andrew Morton
2005-02-15 1:27 ` Badari Pulavarty
2005-02-15 3:05 ` Andrew Morton
2005-02-15 16:46 ` Badari Pulavarty
2005-02-15 17:54 ` Andrew Morton
2005-02-15 18:15 ` Badari Pulavarty
2005-02-15 19:07 ` Nikita Danilov [this message]
2005-02-15 19:39 ` Badari Pulavarty
2005-02-15 20:00 ` Andrew Morton
2005-02-16 0:02 ` [RFC] [PATCH] Generic mpage_writepage() support Badari Pulavarty
2005-02-16 11:41 ` Nikita Danilov
2005-02-16 18:37 ` Badari Pulavarty
2005-02-16 19:09 ` Dave Kleikamp
2005-02-16 19:28 ` Badari Pulavarty
2005-02-16 19:43 ` Dave Kleikamp
2005-02-16 21:38 ` [Ext2-devel] " Badari Pulavarty
2005-02-16 21:46 ` Dave Kleikamp
2005-02-17 0:13 ` [RFC] [PATCH] nobh_write_page() support Badari Pulavarty
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