LU-3916 lprocfs: export lprocfs setup race

Protect setting export's exp_nid_stats.

Signed-off-by: Bobi Jam <bobijam.xu@intel.com>
Change-Id: I83e65f5ff851b8d8553cbedef6469e188d3502ff
Reviewed-on: http://review.whamcloud.com/7606
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Emoly Liu <emoly.liu@intel.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
LU-3719 ldiskfs: adjust s_mb_prealloc_table_size correctly

When mb prealloc table item value is not valid, the
s_mb_prealloc_table_size should be adjust accordingly.

ported to SLES11 SP[23]

Lustre-change: http://review.whamcloud.com/7591
Lustre-commit: 6c9f72a1e537826be2b889feba1ff8c5b5db2e77

Signed-off-by: Bobi Jam <bobijam.xu@intel.com>
Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: I1803c201743fccf9c177a7098959083f7baf95a0
Reviewed-on: http://review.whamcloud.com/7781
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
LU-3990 kernel: kernel update [SLES SP2 3.0.93-0.5]

Update of config and build files to new kernel version.

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: Ia5e3ad75966e98e567d06d41c3ccb810fb62168d
Reviewed-on: http://review.whamcloud.com/7753
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Minh Diep <minh.diep@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>