From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jared Hulbert <jaredeh@gmail.com>
Subject: Re: [PATCH 14/14] Pramfs: XIP operations
Date: Tue, 16 Jun 2009 19:15:03 -0700
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To: Marco <marco.stornelli@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>, Linux Embedded <linux-embedded@vger.kernel.org>, Linux Kernel <linux-kernel@vger.kernel.org>, Linux FS Devel <linux-fsdevel@vger.kernel.org>, Daniel Walker <dwalker@soe.ucsc.edu>

> 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?