From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 21 Mar 2014 08:58:33 +0000 (-0400)
Subject: new helper: iov_iter_get_pages_alloc()
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~45^2~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91f79c43d1b54d7154b118860d81b39bad07dfff;p=pandora-kernel.git

new helper: iov_iter_get_pages_alloc()

same as iov_iter_get_pages(), except that pages array is allocated
(kmalloc if possible, vmalloc if that fails) and left for caller to
free.  Lustre and NFS ->direct_IO() switched to it.

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