From 9811cd57f4c6b5b60ec104de68a88303717e3106 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@infradead.org>
Date: Thu, 14 Nov 2013 08:50:28 -0800
Subject: [PATCH] nfs: fix size updates for aio writes

nfs_file_direct_write only updates the inode size if it succeeded and
returned the number of bytes written.  But in the AIO case nfs_direct_wait
turns the return value into -EIOCBQUEUED and we skip the size update.

Instead the aio completion path should updated it, which this patch
does.  The implementation is a little hacky because there is no obvious
way to find out we are called for a write in nfs_direct_complete.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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