From: Mark Fasheh <mark.fasheh@oracle.com>
Date: Thu, 14 Dec 2006 21:01:05 +0000 (-0800)
Subject: ocfs2: Allow direct I/O read past end of file
X-Git-Tag: v2.6.20-rc3~6^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=564f8a3228879d6962edb3432d01bcd7499a67ec;p=pandora-kernel.git

ocfs2: Allow direct I/O read past end of file

ocfs2_direct_IO_get_blocks() was incorrectly returning -EIO for a direct I/O
read whose start block was past the end of the file allocation tree. Fix
things so that we return a hole instead. do_direct_IO() will then notice
that the range start is past eof and return a short read.

While there, remove the unused vbo_max variable.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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