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

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Message-ID: <20120904095506.GA5673@quack.suse.cz>
Date:	Tue, 4 Sep 2012 11:55:06 +0200
From:	Jan Kara <jack@...e.cz>
To:	Namjae Jeon <linkinjeon@...il.com>
Cc:	Jan Kara <jack@...e.cz>, 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

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...

									Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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