From 7fdab069b7172f2348cf3d87e19c6c24340292bf Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 20 Sep 2012 20:15:57 -0400
Subject: [PATCH] NFSv4.1: Fix a race in the pNFS return-on-close code

If we sleep after dropping the inode->i_lock, then we are no longer
atomic with respect to the rpc_wake_up() call in pnfs_layout_remove_lseg().

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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