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NFS: Allow the nfs_pageio_descriptor to signal that a re-coalesce is needed
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 12 Jul 2011 17:42:02 +0000 (13:42 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Fri, 15 Jul 2011 13:12:21 +0000 (09:12 -0400)
If an attempt to do pNFS fails, and we have to fall back to writing through
the MDS, then we may want to re-coalesce the requests that we already have
since the block size for the MDS read/writes may be different to that of
the DS read/writes.

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

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