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Re: du: fts and vfat

From: Jim Meyering
Subject: Re: du: fts and vfat
Date: Mon, 26 Nov 2007 21:49:14 +0100

Phillip Susi <address@hidden> wrote:
> Jim Meyering wrote:
>> Yes, it's expected, whenever you use a file system with
>> imperfect-by-definition inode emulation.
> AFAIR, the fat driver uses the starting cluster of the file as the
> inode number, so unless you defrag or something, it shouldn't change.

Sorry, but no.
If only it were so easy.
The kernel maintains a limited-space cache for FAT inodes,
so the inode of "." at the beginning of a traversal will not
be the same as the inode reported for that same directory
after du/fts has traversed a tree that's large enough.

As I said, use a newer version of coreutils, and not in
chdir-mode, and du works a lot better with FAT.

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