linux-kernel - Re: Deleting large files

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Message-ID: <20080517121544.GA3926@ucw.cz>
Date:	Sat, 17 May 2008 14:15:45 +0200
From:	Pavel Machek <pavel@....cz>
To:	Morten Welinder <mwelinder@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Deleting large files

On Wed 2008-05-07 15:49:30, Morten Welinder wrote:
> Hi there,
> 
> deleting large files, say on the order of 4.6GB, takes approximately forever.
> Why is that?  Well, it is because a lot of things need to take place to free
> the formerly used space, but my real question is "why does the unlink caller
> have to wait for it?"
> 
> I.e., could unlink do the directory changes and then hand off the rest of the
> task to a kernel thread?

Yep, but implementation is not going to be trivial. Send a patch ;-).

							Pavel
-- 
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