From: Christoph Hellwig <hch@infradead.org>
To: CHEN Baozi <baozich@gmail.com>
Cc: xfs@oss.sgi.com
Subject: Re: [RFC] Add XFS support in SYSLINUX
Date: Mon, 2 Apr 2012 14:48:30 -0400 [thread overview]
Message-ID: <20120402184830.GA12792@infradead.org> (raw)
In-Reply-To: <D9839BD8-29F4-4472-A5B5-7974497B14DD@gmail.com>
Hi Chen,
thanks a lot for your interested in tackling this project.
Writing to the end of the first block would work for 4k or larger block
sizes filesystems, but it's not a very clean solution.
Id had a quick brainstorm with Dave and we came up with the following
idea:
- create an extended attribute on the root filesystem that is larger
than than the filesystem block size (typically 4k), and store the
syslink payload in it.
- for the first prototype get its block number using the GETBMAPX
ioctl, and use it.
once that prototype works we can talk about a good interface for you.
We could precreate the attribute at mkfs time at a fixed block number
so that syslinux can hardcode it, or we could discuss any other kind
of interface that helps you.
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next prev parent reply other threads:[~2012-04-02 18:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-02 14:27 [RFC] Add XFS support in SYSLINUX CHEN Baozi
2012-04-02 18:48 ` Christoph Hellwig [this message]
2012-04-04 1:36 ` CHEN Baozi
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