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Subject[PATCH 27/47] staging/lustre: shrink lu_object_header by 8 bytes on x86_64
Date
From: Andreas Dilger <andreas.dilger@intel.com>

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>
---
drivers/staging/lustre/lustre/include/lu_object.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/lu_object.h b/drivers/staging/lustre/lustre/include/lu_object.h
index 6773bca..98149f5 100644
--- a/drivers/staging/lustre/lustre/include/lu_object.h
+++ b/drivers/staging/lustre/lustre/include/lu_object.h
@@ -516,6 +516,10 @@ enum lu_object_header_attr {
*/
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.
*/
@@ -525,10 +529,6 @@ struct lu_object_header {
*/
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.
*/
--
1.8.5.3


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