From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 19 Mar 2014 05:16:16 +0000 (-0400)
Subject: new helper: iov_iter_npages()
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~45^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f67da30c1d5fc9e341bc8121708874bfd7b31e45;p=pandora-kernel.git

new helper: iov_iter_npages()

counts the pages covered by iov_iter, up to given limit.
do_block_direct_io() and fuse_iter_npages() switched to
it.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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