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From: Badari Pulavarty <pbadari@us.ibm.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-fsdevel@vger.kernel.org,
	ext2-devel <ext2-devel@lists.sourceforge.net>
Subject: Re: Bufferheads & page-cache reference
Date: 15 Feb 2005 10:15:43 -0800	[thread overview]
Message-ID: <1108491343.20053.1472.camel@dyn318077bld.beaverton.ibm.com> (raw)
In-Reply-To: <20050215095443.3e646401.akpm@osdl.org>

On Tue, 2005-02-15 at 09:54, Andrew Morton wrote:
> 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 -

Thanks. I just wanted to make sure I am not confused.

> when a dirty page falls off the end of the LRU.  There's no particular
> reason why we cannot have a real mpage_writepage() which doesn't use bh's
> and employ that.
> 
> I coulda sworn we used to have one.

Okay, I will cook it up. 

Thanks,
Badari


  reply	other threads:[~2005-02-15 18:15 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 [this message]
2005-02-15 19:07           ` Nikita Danilov
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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