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NFSv4.1: Replace dprintk() in pnfs_update_layout with something less buggy
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Wed, 26 Sep 2012 15:21:40 +0000 (11:21 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Fri, 28 Sep 2012 20:03:08 +0000 (16:03 -0400)
Dereferencing nfsi->layout in order to read plh_flags without holding
a spin lock is bug prone. Furthermore, the dprintk() tells you nothing
about whether or not the call succeeded.
Replace it with something that tells you about whether or not a valid
layout segment was returned for the inode in question.

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

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