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Re: xen/block.c: support unaligned writes
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From: |
Samuel Thibault |
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Subject: |
Re: xen/block.c: support unaligned writes |
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Date: |
Mon, 16 Nov 2009 23:31:16 +0100 |
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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
request).
Samuel