linux-kernel - Re: [PATCH v2] udf: extent cache implementation for manipulating block map

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Message-ID: <CAKYAXd9gEu5mAYa9a8GVPC9h8_QnFA=b2vSkWEcUJ2GAWKP8vA@mail.gmail.com>
Date:	Tue, 4 Sep 2012 19:06:37 +0900
From:	Namjae Jeon <linkinjeon@...il.com>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-kernel@...r.kernel.org,
	Namjae Jeon <namjae.jeon@...sung.com>,
	Ashish Sangwan <a.sangwan@...sung.com>,
	Bonggil Bak <bgbak@...sung.com>
Subject: Re: [PATCH v2] udf: extent cache implementation for manipulating
 block map

2012/9/4 Jan Kara <jack@...e.cz>:
> On Tue 04-09-12 16:45:42, Namjae Jeon wrote:
>> 2012/9/3, Jan Kara <jack@...e.cz>:
>> >> +void udf_clear_extent_cache(struct udf_inode_info *iinfo)
>> >> +{
>> >> +  if (iinfo->cached_extent.sanity) {
>> >> +          brelse(iinfo->cached_extent.epos.bh);
>> >> +          memset(&iinfo->cached_extent, 0, sizeof(struct udf_ext_cache));
>> >> +  }
>> >> +}
>> >> +
>> >   I think udf_clear_entent_cache() should take i_extent_cache_lock. Or if
>> > you are sure it's not needed, you need a good documentation why.
>> Documentation ? I am a little confusing.. It means udf.txt is in
>> Documentation/filesystem/ ?
>> or comment about clear extent function ?
>   I meant in a comment before udf_clear_extent_cache() function...
Okay, I understood.
Thanks a lot.
>
>                                                                         Honza
> --
> Jan Kara <jack@...e.cz>
> SUSE Labs, CR
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