From: Michael S. Tsirkin <mst@redhat.com>
Date: Mon, 29 Nov 2010 08:19:07 +0000 (+0200)
Subject: vhost: correctly set bits of dirty pages
X-Git-Tag: v2.6.38-rc1~476^2~168^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3bf9be40ff76b6df136f14a497167c116b2b3c53;p=pandora-kernel.git

vhost: correctly set bits of dirty pages

Fix two bugs in dirty page logging:
When counting pages we should increase address by 1 instead of
VHOST_PAGE_SIZE. Make log_write() correctly process requests
that cross pages with write_address not starting at page boundary.

Reported-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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