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From: Ted Ts'o <tytso@mit.edu>
To: Bobi Jam <bobijam@whamcloud.com>
Cc: linux-ext4@vger.kernel.org, Andreas Dilger <adilger@whamcloud.com>
Subject: Re: [PATCH] ext4: expand commit callback
Date: Mon, 13 Feb 2012 16:02:25 -0500	[thread overview]
Message-ID: <20120213210225.GA21641@thunk.org> (raw)
In-Reply-To: <1319626156-2444-1-git-send-email-bobijam@whamcloud.com>

On Wed, Oct 26, 2011 at 06:49:16PM +0800, Bobi Jam wrote:
> The per-commit callback is now used by mballoc code to manage free
> space bitmaps after deleted blocks have been released. This patch
> expand it to contain multiple different callbacks.
> 
> Signed-off-by: Bobi Jam <bobijam@whamcloud.com>
> Signed-off-by: Andreas Dilger <adilger@whamcloud.com>

Thanks, applied.

Note: since this callback is called *after* the commit is completed,
we can't really use this to do things like compute metadata checksums
or update atimes more efficiently, since those sorts of things have to
happen *before* we actually finish up the commit.

					- Ted

  parent reply	other threads:[~2012-02-13 21:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-26 10:49 [PATCH] ext4: expand commit callback Bobi Jam
2011-11-04 12:17 ` Bobi Jam
2012-02-13 21:02 ` Ted Ts'o [this message]
2012-02-13 23:50   ` Andreas Dilger

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