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NFS: Optimise away unnecessary setattrs for open(O_TRUNC);
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Wed, 18 Jan 2012 03:04:26 +0000 (22:04 -0500)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Wed, 1 Feb 2012 00:28:07 +0000 (19:28 -0500)
Currently, we will correctly optimise away a truncate that doesn't
change the file size. However, in the case of open(O_TRUNC), we
also want to optimise away the time changes.

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

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