linux-kernel - Re: [PATCH 1/4] mm: cleancache: s/flush/invalidate/

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Message-ID: <4F109E50.5010104@linux.vnet.ibm.com>
Date:	Fri, 13 Jan 2012 15:12:48 -0600
From:	Seth Jennings <sjenning@...ux.vnet.ibm.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Jan Beulich <JBeulich@...ell.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Hugh Dickins <hughd@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Nitin Gupta <ngupta@...are.org>,
	Matthew Wilcox <matthew@....cx>,
	Chris Mason <chris.mason@...cle.com>,
	Rik Riel <riel@...hat.com>
Subject: Re: [PATCH 1/4] mm: cleancache: s/flush/invalidate/

On 01/13/2012 11:43 AM, Konrad Rzeszutek Wilk wrote:
> On Fri, Jan 13, 2012 at 09:16:33AM -0600, Seth Jennings wrote:
>> Hey Konrad,
>>
>> On 01/12/2012 02:36 PM, Konrad Rzeszutek Wilk wrote:
>>> From: Dan Magenheimer <dan.magenheimer@...cle.com>
>>>
>>> Per akpm suggestions alter the use of the term flush to be
>>> invalidate. The next patch will do this across all MM.
>>>
>>> This change is completely cosmetic.
>>>
>>> [v9: akpm@...ux-foundation.org: change "flush" to "invalidate", part 3]
>>>
>>> Signed-off-by: Dan Magenheimer <dan.magenheimer@...cle.com>
>>> Reviewed-by: Konrad Wilk <konrad.wilk@...cle.com>
>>> Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
>>> Cc: Jan Beulich <JBeulich@...ell.com>
>>> Cc: Seth Jennings <sjenning@...ux.vnet.ibm.com>
>>> Cc: Jeremy Fitzhardinge <jeremy@...p.org>
>>> Cc: Hugh Dickins <hughd@...gle.com>
>>> Cc: Johannes Weiner <hannes@...xchg.org>
>>> Cc: Nitin Gupta <ngupta@...are.org>
>>> Cc: Matthew Wilcox <matthew@....cx>
>>> Cc: Chris Mason <chris.mason@...cle.com>
>>> Cc: Rik Riel <riel@...hat.com>
>>> Cc: Andrew Morton <akpm@...ux-foundation.org>
>>> [v10: Fixed  fs: move code out of buffer.c conflict change]
>>> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
>>> ---
>>>  Documentation/vm/cleancache.txt |   37 +++++++++++++++++++------------------
>>>  fs/block_dev.c                  |    2 +-
>>>  fs/super.c                      |    2 +-
>>>  include/linux/cleancache.h      |   23 ++++++++++++++---------
>>>  mm/cleancache.c                 |   19 ++++++++++---------
>>>  mm/filemap.c                    |    2 +-
>>>  mm/truncate.c                   |   10 +++++-----
>>>  7 files changed, 51 insertions(+), 44 deletions(-)
>> snip
>>> diff --git a/fs/block_dev.c b/fs/block_dev.c
>>> index 69a5b6f..d6d5f29 100644
>>> --- a/fs/block_dev.c
>>> +++ b/fs/block_dev.c
>>> @@ -110,7 +110,7 @@ void invalidate_bdev(struct block_device *bdev)
>>>  	/* 99% of the time, we don't need to flush the cleancache on the bdev.
>>>  	 * But, for the strange corners, lets be cautious
>>>  	 */
>>> -	cleancache_flush_inode(mapping);
>>> +	cleancache_invalidate_inode(mapping);
>>>  }
>>>  EXPORT_SYMBOL(invalidate_bdev);
>>
>> This hunk doesn't merge cleanly because there is no existing
>> cleancache code in fs/block_dev.c in v3.2 or any previous version.
> 
> Hm, I am at 099469502f62fbe0d7e4f0b83a2f22538367f734 and I see
> that file with "cleancache_flush_inode" ?
> 
> This is against v3.3-rc0, not 3.2.

Ah yes.  Since no v3.3-rcX release has been tagged yet, I didn't
think to apply it there.

checkpatch clean, applies clean, builds clean

Consider all the patches in this set

Acked-by: Seth Jennings <sjenning@...ux.vnet.ibm.com>

--
Seth

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