linux-kernel - Re: udf regression: broken directory handling

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Date:	Mon, 11 Feb 2008 20:13:20 +0100
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	Jan Kara <jack@...e.cz>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: udf regression: broken directory handling

On Mon, Feb 11, 2008 at 12:09:10PM +0100, Jan Kara wrote:
>   Hi,
> 
> On Sun 10-02-08 11:48:17, Marcin Slusarz wrote:
> > Current mainline has a problem with reading file list.
> > Simple ls prints only 2 out of 8 files on my testing DVD.
> > Reverting your patch "udf: cleanup directory offset handling"
> > (af793295bf9ee92660f5e77d337b0493cea3f9b9) fixes the problem.
>   Thanks for testing! Do you have a way to create such UDF filesystem? For
> the filesystems I've created it seems to work just fine...

with patch applied:
joi tmp # dd if=/dev/zero of=./test.udf count=102400
102400+0 records in
102400+0 records out
52428800 bytes (52 MB) copied, 1.08618 s, 48.3 MB/s
joi tmp # mkudffs ./test.udf
start=0, blocks=16, type=RESERVED
start=16, blocks=3, type=VRS
start=19, blocks=237, type=USPACE
start=256, blocks=1, type=ANCHOR
start=257, blocks=16, type=PVDS
start=273, blocks=1, type=LVID
start=274, blocks=25069, type=PSPACE
start=25343, blocks=1, type=ANCHOR
start=25344, blocks=239, type=USPACE
start=25583, blocks=16, type=RVDS
start=25599, blocks=1, type=ANCHOR
joi tmp # mount -t udf -o loop ./test.udf ./udf/
joi tmp # cd udf/
joi udf # ls -l
total 0
joi udf # touch q w e r t y u i o p
joi udf # ls -l
total 0
drwxr-xr-x 2 root root 40 Feb 11 19:03 lost+found
-rw-r--r-- 1 root root  0 Feb 11 20:03 q
joi udf # cd ../
joi tmp # umount udf/
joi tmp # #(reverting patch)
joi tmp # rmmod udf
joi tmp # rm test.udf
joi tmp # dd if=/dev/zero of=./test.udf count=102400
102400+0 records in
102400+0 records out
52428800 bytes (52 MB) copied, 1.0559 s, 49.7 MB/s
joi tmp # mkudffs ./test.udf
start=0, blocks=16, type=RESERVED
start=16, blocks=3, type=VRS
start=19, blocks=237, type=USPACE
start=256, blocks=1, type=ANCHOR
start=257, blocks=16, type=PVDS
start=273, blocks=1, type=LVID
start=274, blocks=25069, type=PSPACE
start=25343, blocks=1, type=ANCHOR
start=25344, blocks=239, type=USPACE
start=25583, blocks=16, type=RVDS
start=25599, blocks=1, type=ANCHOR
joi tmp # mount -t udf -o loop ./test.udf ./udf/
joi tmp # cd udf/
joi udf # touch q w e r t y u i o p
joi udf # ls -l
total 0
-rw-r--r-- 1 root root  0 Feb 11 20:06 e
-rw-r--r-- 1 root root  0 Feb 11 20:06 i
drwxr-xr-x 2 root root 40 Feb 11 19:05 lost+found
-rw-r--r-- 1 root root  0 Feb 11 20:06 o
-rw-r--r-- 1 root root  0 Feb 11 20:06 p
-rw-r--r-- 1 root root  0 Feb 11 20:06 q
-rw-r--r-- 1 root root  0 Feb 11 20:06 r
-rw-r--r-- 1 root root  0 Feb 11 20:06 t
-rw-r--r-- 1 root root  0 Feb 11 20:06 u
-rw-r--r-- 1 root root  0 Feb 11 20:06 w
-rw-r--r-- 1 root root  0 Feb 11 20:06 y
joi udf # cd ../
joi tmp # umount udf/
joi tmp # #(applying patch again)
joi tmp # rmmod udf
joi tmp # mount -t udf -o loop ./test.udf ./udf/
joi tmp # ls -l udf/
total 0
drwxr-xr-x 2 root root 40 Feb 11 19:05 lost+found
-rw-r--r-- 1 root root  0 Feb 11 20:06 q
joi tmp #
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