Re: 128 bits extent bmap for file format 2

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On Tue, Oct 22, 2013 at 01:32:22AM +0200, Pradeep Kumar wrote:
> Hi,
> 
> I'm writing a small utility to parse XFS fs image on windows.
> I'm able to fetch the files in the first AG (0).
> However when it comes to the files which are in different AG I'm facing
> some problem in parsing extent bmap 128bits data of file inode (format ==
> 2).

Extents use filesystem block encodings, not disk addresses. Look up
the macros XFS_DADDR_TO_FSB and XFS_FSB_TO_DADDR.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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