From: Boaz Harrosh Date: Wed, 28 Dec 2011 17:21:45 +0000 (+0200) Subject: ore: Must support none-PAGE-aligned IO X-Git-Tag: v3.2.1~29 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=673a3083dc48d45a798ee509995899e11625aa9d;p=pandora-kernel.git ore: Must support none-PAGE-aligned IO commit 724577ca355795b0a25c93ccbeee927871ca1a77 upstream. NFS might send us offsets that are not PAGE aligned. So we must read in the reminder of the first/last pages, in cases we need it for Parity calculations. We only add an sg segments to read the partial page. But we don't mark it as read=true because it is a lock-for-write page. TODO: In some cases (IO spans a single unit) we can just adjust the raid_unit offset/length, but this is left for later Kernels. Signed-off-by: Boaz Harrosh Signed-off-by: Greg Kroah-Hartman --- Reading git-diff-tree failed