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Date: Sat, 3 Mar 2001 20:24:58 +0100
From: Jens Axboe <axboe@suse.de>
To: agrawal@ais.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: lingering loopback bugs?
Message-ID: <20010303202458.L2528@suse.de>
In-Reply-To: <E14Yyrs-0002Wz-00@the-village.bc.nu> <Pine.LNX.4.10.10103031303220.15395-100000@SLASH.REM.CMU.EDU>
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In-Reply-To: <Pine.LNX.4.10.10103031303220.15395-100000@SLASH.REM.CMU.EDU>; from agrawal@ais.org on Sat, Mar 03, 2001 at 03:16:02PM -0500
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On Sat, Mar 03 2001, agrawal@ais.org wrote:
> 
> I have an encrypted filesystem mounted over loopback that I created under
> a 2.2.16 kernel. (Using AES, 128 bit key.) Works fine in 2.2.16. Sort of
> works under the unpatched 2.4 series. (Mounts okay, but hangs the system
> on random blocks.)
> 
> Under various 2.4 kernels with Jens' patched, the filesystem fails to
> mount. I've tried 2.4.2-loop6, 2.4.2-ac6, and 2.4.2-ac8. All give the same
> result. 

Look for the patch I posted yesterday (hint: just remove these two
lines from loop_end_io_transfer)

               if (atomic_dec_and_test(&lo->lo_pending))
                       up(&lo->lo_bh_mutex);

-- 
Jens Axboe

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