Bug#381982: truncate, XFS and starse files (Re: Bug#381982: Installation Report on AMD64 Laptop called deen)

[Nathan Scott <nathans@sgi.com>]

On Wed, Aug 23, 2006 at 07:57:32AM +0200, Oleg Verych wrote:
> I don't know POSIX, please answer the following.
> File system file's block map may *not* be the same as actual data blocks
> after truncate() ? If so, i'm going to check ls/dd size and du size of
> all files.

The block map does show the allocated data blocks, yes (there is a
separate mapping for extended attributes, but set that aside as I
don't think its relevent here).  The size has no correlation to the
block mapping, however.

cheers.

-- 
Nathan