summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_trans.h
diff options
context:
space:
mode:
authorBrian Foster <bfoster@redhat.com>2018-07-24 13:43:11 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2018-07-26 10:15:13 -0700
commit44fd294681de73990da656294e3dacaa7878f577 (patch)
treee1f5b5ab4d1742604d4840b126e3e40ee30db002 /fs/xfs/xfs_trans.h
parent509308b413c9e4e3140b4bc524522255d126787e (diff)
xfs: pack holes in xfs_defer_ops and xfs_trans
Both structures have holes due to member alignment. Move dop_low to the end of xfs_defer ops to sanitize the cache line alignment and move t_flags to save 8 bytes in xfs_trans. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bill O'Donnell <billodo@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_trans.h')
-rw-r--r--fs/xfs/xfs_trans.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 37fdacc690c7..6f857af61455 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -102,12 +102,12 @@ typedef struct xfs_trans {
unsigned int t_blk_res_used; /* # of resvd blocks used */
unsigned int t_rtx_res; /* # of rt extents resvd */
unsigned int t_rtx_res_used; /* # of resvd rt extents used */
+ unsigned int t_flags; /* misc flags */
xfs_fsblock_t t_firstblock; /* first block allocated */
struct xlog_ticket *t_ticket; /* log mgr ticket */
struct xfs_mount *t_mountp; /* ptr to fs mount struct */
struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
struct xfs_defer_ops *t_dfops; /* dfops reference */
- unsigned int t_flags; /* misc flags */
int64_t t_icount_delta; /* superblock icount change */
int64_t t_ifree_delta; /* superblock ifree change */
int64_t t_fdblocks_delta; /* superblock fdblocks chg */