linux-kernel - Re: Re: [PATCH 14/14] Pramfs: XIP Operations

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Message-ID: <4A39208C.3010801@gmail.com>
Date:	Wed, 17 Jun 2009 18:57:48 +0200
From:	Marco <marco.stornelli@...il.com>
To:	Linux FS Devel <linux-fsdevel@...r.kernel.org>
CC:	Linux Embedded <linux-embedded@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Daniel Walker <dwalker@....ucsc.edu>
Subject: Re: Re: [PATCH 14/14] Pramfs: XIP Operations

Jared Hulbert wrote:
> > I know. It wasn't my intention to introduce it but as I said in my
> > first patch I've done a porting of this code from 2.6.10 and to
> > remove it I need time to analyze well the code to avoid deadlock and
> > so on. If someone would like to help me I'd really appreciate it.
> > However I see the use of BKL even in other recent "mainlined" fs as
> > ext4, so I preferred to move the porting effort on other areas.
> > However it's the first item on my todo list.

> Why do you need the lock in pram_find_and_alloc_blocks() to begin
> with?  Why wouldn't a mutex work?

It's not impossible to use a mutex, but as I said it's inherited from
code written for 2.6.10. This function works as
pram_get_and_update_block works.

Marco
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