diff options
| author | Brian Foster <bfoster@redhat.com> | 2018-07-24 13:43:11 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-07-26 10:15:13 -0700 |
| commit | 44fd294681de73990da656294e3dacaa7878f577 (patch) | |
| tree | e1f5b5ab4d1742604d4840b126e3e40ee30db002 /fs/xfs/libxfs | |
| parent | 509308b413c9e4e3140b4bc524522255d126787e (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/libxfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_defer.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h index 58c979c9f3fa..8f58f217fdff 100644 --- a/fs/xfs/libxfs/xfs_defer.h +++ b/fs/xfs/libxfs/xfs_defer.h @@ -49,13 +49,14 @@ enum xfs_defer_ops_type { #define XFS_DEFER_OPS_NR_BUFS 2 /* join up to two buffers */ struct xfs_defer_ops { - bool dop_low; /* alloc in low mode */ struct list_head dop_intake; /* unlogged pending work */ struct list_head dop_pending; /* logged pending work */ /* relog these with each roll */ struct xfs_inode *dop_inodes[XFS_DEFER_OPS_NR_INODES]; struct xfs_buf *dop_bufs[XFS_DEFER_OPS_NR_BUFS]; + + bool dop_low; /* alloc in low mode */ }; void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type, |