From: John L. Hammond <john.hammond@intel.com>
Date: Sat, 1 Mar 2014 02:16:35 +0000 (-0500)
Subject: lustre/clio: honor O_NOATIME
X-Git-Tag: v3.15-rc1~139^2~766
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec9bca9c51f98cb4ad43c738f2783f4e2bba2421;p=pandora-kernel.git

lustre/clio: honor O_NOATIME

Add a ci_noatime bit to struct cl_io. In ll_io_init() set this bit if
O_NOATIME is set in f_flags. Ensure that this bit is propagated down
to lower layers. In osc_io_read_start() don't update atime if this bit
is set. Add sanity test 39n to check that passing O_NOATIME to open()
is honored.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Reviewed-on: http://review.whamcloud.com/7442
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3832
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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