From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Thu, 9 Oct 2014 22:26:55 +0000 (-0700)
Subject: vfs: guard end of device for mpage interface
X-Git-Tag: omap-for-v3.19/prcm-cleanup~134^2~96
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4db96b71e3caea5bb39053d57683129e0682c66f;p=pandora-kernel.git

vfs: guard end of device for mpage interface

Add guard_bio_eod() check for mpage code in order to allow us to do IO
even on the odd last sectors of a device, even if the block size is some
multiple of the physical sector size.

Using mpage_readpages() for block device requires this guard check.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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