From: Trond Myklebust <trond.myklebust@primarydata.com>
Date: Thu, 5 Feb 2015 22:27:39 +0000 (-0500)
Subject: NFSv4.1: Fix pnfs_put_lseg races
X-Git-Tag: fixes-v4.0-rc1~136^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ef2e4f84c523ebbc930ce05fa27b9b1350f4a4b;p=pandora-kernel.git

NFSv4.1: Fix pnfs_put_lseg races

pnfs_layoutreturn_free_lseg_async() can also race with inode put in
the general case. We can now fix this, and also simplify the code.

Cc: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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