linux-kernel - Re: [PATCH 1/8] writeback: get rid of generic_sync_sb

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Message-ID: <20090902102626.GR12579@kernel.dk>
Date:	Wed, 2 Sep 2009 12:26:26 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	chris.mason@...cle.com, david@...morbit.com, hch@...radead.org,
	tytso@....edu, akpm@...ux-foundation.org
Subject: Re: [PATCH 1/8] writeback: get rid of generic_sync_sb_inodes()
	export

On Wed, Sep 02 2009, Jan Kara wrote:
> On Wed 02-09-09 10:42:40, Jens Axboe wrote:
> > This adds two new exported functions:
> > 
> > - sync_inodes_sb(), which writes out dirty inodes on a super_block, and
> > - sync_inodes_sb_wait(), which does the same but also waits for IO
> >   completion.
>   This is a nice cleanup. I only find the name sync_inodes_sb() slightly
> misleading and the comment by that function as well. The name should rather
> be something like writeback_inodes_sb() (and sync_inodes_sb_wait() could
> stay just sync_inodes_sb()) - the writeback it does does not really
> guarantee anything. For example it can skip inodes or pages it does not
> like for some reason. What that function really does is - try to write some
> dirty pages on that superblock and don't try too hard.
>   I don't insist on the renaming of the function but I really thing the
> comment should be improved.

I don't disagree, I was a bit torn on the naming as well. I will make
that change, thanks for the feedback!

I'd really like your feedback on the pin_sb_for_writeback() stuff too,
since that is the contentious bit. And, this goes for others as well,
I'd appreciate any reviewed-by and/or acked-by on patches.

-- 
Jens Axboe

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