tree a3c63689100a8c7ca2eb72efe4036f7863c34e12
parent 5e1be0fb1a3950597aeda448698e85b0595a2e92
author From: Christoph Hellwig <hch@lst.de> 1227842618 +1100
committer Niv Sardi <xaiki@sgi.com> 1228091840 +1100

[XFS] factor out xfs_read_agf helper

Add a helper to read the AGF header and perform basic verification.
Based on hunks from a larger patch from Dave Chinner.

(First sent on Juli 23rd)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>