From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 5 Apr 2014 08:27:08 +0000 (-0400)
Subject: ->splice_write() via ->write_iter()
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~45^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d0207652cbe27d1f962050737848e5ad4671958;p=pandora-kernel.git

->splice_write() via ->write_iter()

iter_file_splice_write() - a ->splice_write() instance that gathers the
pipe buffers, builds a bio_vec-based iov_iter covering those and feeds
it to ->write_iter().  A bunch of simple cases coverted to that...

[AV: fixed the braino spotted by Cyrill]

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