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staging/lustre: shrink lu_object_header by 8 bytes on x86_64

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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>
This commit is contained in:
Andreas Dilger 2014-04-27 13:06:51 -04:00 committed by Greg Kroah-Hartman
parent 09aed8a59c
commit a700f97535
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/lustre/lustre/include/lu_object.h
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@ -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.