From: Eric Van Hensbergen <ericvh@ericvh-desktop.austin.ibm.com>
Date: Wed, 17 Oct 2007 19:31:07 +0000 (-0500)
Subject: 9p: soften invalidation in loose_mode
X-Git-Tag: v2.6.24-rc1~474^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50fd8010673b770f6489c9ee96680c204aefa84a;p=pandora-kernel.git

9p: soften invalidation in loose_mode

Loose mode in 9p utilizes the page cache without respecting coherency with
the server.  Any writes previously invaldiated the entire mapping for a file.
This patch softens the behavior to only invalidate the region of the actual
write.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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