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Re: xen/block.c: support unaligned writes

From: Samuel Thibault
Subject: Re: xen/block.c: support unaligned writes
Date: Mon, 16 Nov 2009 23:31:16 +0100
User-agent: Mutt/1.5.12-2006-07-14

Thomas Schwinge, le Mon 16 Nov 2009 23:02:36 +0100, a écrit :
> Jeez, I didn't think about simply asking my own documentation system...
> <http://www.bddebian.com:8888/~hurd-web/open_issues/xen_crash_copy-size_le_page_size/>.
> But does that really answer my question?

Yes: data has to be 512-byte aligned anyway.  When it's not aligned on a
page there is little chance it's aligned on 512 bytes and it makes the
code way simpler (no need to fiddle with the first sector offset of the


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