Re: [PATCH-BK-2.6] NTFS fix "du" and "stat" output (NTFS 2.1.6).

From: David Sanders
Date: Wed Jan 21 2004 - 14:41:09 EST


On Wednesday 21 January 2004 01:24 pm, David Sanders wrote:
> On Monday 19 January 2004 09:15 am, Anton Altaparmakov wrote:
> > This fixes the erroneous "du" and "stat" output people reported on
> > ntfs partitions containing compressed directories.
>
> Thanks for the quick patch. There are still problems with the
> reported disk usage. I use as an example the file win.ini. With the
> 2.4.24 kernel I get the following results:
> $ ls -l win.ini
> -r--r----- 1 root staff 399 Jan 27 2003 win.ini
>
> $ stat win.ini
> File: "win.ini"
> Size: 399 Blocks: 2 IO Block: 1024 Regular File
> Device: 305h/773d Inode: 1023 Links: 1
> Access: (0440/-r--r-----) Uid: ( 0/ root) Gid: ( 50/
> staff) Access: Thu Jan 15 15:34:09 2004
> Modify: Mon Jan 27 18:54:00 2003
> Change: Sun Sep 22 07:23:44 2002
>
> $ du -h win.ini
> 1.0k win.ini
>
> But, under the 2.6.1 kernel:
> $ ls -l win.ini
> -r-xr-x--- 1 root staff 399 Jan 27 2003 win.ini
>
> $ stat win.ini
> File: "win.ini"
> Size: 399 Blocks: 0 IO Block: 4096 Regular File
> Device: 305h/773d Inode: 1023 Links: 1
> Access: (0550/-r-xr-x---) Uid: ( 0/ root) Gid: ( 50/
> staff) Access: Thu Jan 15 15:34:09 2004
> Modify: Mon Jan 27 18:54:00 2003
> Change: Mon Jan 27 18:54:00 2003
>
> $ du -h win.ini
> 0 win.ini
>
> Now, surely the 2.4.24 kernel is reporting the more accurate disk
> usage since with 2.6.1 it reports 0 blocks (vice 2).
>
> Thanks in advance,
I thought perhaps stat -f output would be usefull:
>From WINNT 4.0
stat -f win.ini
File: "win.ini"
ID: 1078931058 ( 404F2E72) Namelen: 255 Type:
NTFS
Blocks: Total: 8385866 Free: 3808839 Available: 3808839 Size:
512
Inodes: Total: 8385866 Free: 3808839

>From 2.4.24 kernel:
File: "win.ini"
ID: 0 0 Namelen: 255 Type: ntfs
Blocks: Total: 8385866 Free: 3808930 Available: 3808930 Size:
512
Inodes: Total: 40642 Free: 0

>From 2.6.1 kernel:
File: "win.ini"
ID: 404f2e72 90404f42 Namelen: 255 Type: ntfs
Blocks: Total: 1048233 Free: 476116 Available: 476116 Size:
4096
Inodes: Total: 40642 Free: 95

--
David Sanders
linux@xxxxxxxxxxxxxx
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