Commit a700f975 authored Apr 27, 2014 by Andreas Dilger Committed by Greg Kroah-Hartman Apr 27, 2014

staging/lustre: shrink lu_object_header by 8 bytes on x86_64



Locate the loh_flags and loh_ref fields together in lu_object_header
to avoid holes and shrink the structure by 8 bytes.

Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-on: http://review.whamcloud.com/9185
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3059


Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: Liang Zhen <liang.zhen@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 09aed8a5

drivers/staging/lustre/lustre/include/lu_object.h

+4 −4

Original line number	Diff line number	Diff line
		@@ -515,6 +515,10 @@ enum lu_object_header_attr {
		* whether object is backed by persistent storage entity.
		*/
		struct lu_object_header {
		/**
		* Fid, uniquely identifying this object.
		*/
		struct lu_fid loh_fid;
		/**
		* Object flags from enum lu_object_header_flags. Set and checked
		* atomically.
		@@ -524,10 +528,6 @@ struct lu_object_header {
		* Object reference count. Protected by lu_site::ls_guard.
		*/
		atomic_t loh_ref;
		/**
		* Fid, uniquely identifying this object.
		*/
		struct lu_fid loh_fid;
		/**
		* Common object attributes, cached for efficiency. From enum
		* lu_object_header_attr.