[PATCH 07/17] xfs: rearrange xfs_btree_cur fields for better packing
From: "Darrick J. Wong" <djwong@kernel.org>
Date: 2021-10-14 20:17:35
Subsystem:
filesystems (vfs and infrastructure), the rest, xfs filesystem · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino
From: Darrick J. Wong <djwong@kernel.org> Reduce the size of the btree cursor structure some more by rearranging fields to eliminate unused space. While we're at it, fix the ragged indentation and a spelling error. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Dave Chinner <redacted> --- fs/xfs/libxfs/xfs_btree.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 0181fc98bc12..eaffd8223ce6 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h@@ -234,11 +234,11 @@ struct xfs_btree_cur struct xfs_trans *bc_tp; /* transaction we're in, if any */ struct xfs_mount *bc_mp; /* file system mount struct */ const struct xfs_btree_ops *bc_ops; - uint bc_flags; /* btree features - below */ + unsigned int bc_flags; /* btree features - below */ + xfs_btnum_t bc_btnum; /* identifies which btree type */ union xfs_btree_irec bc_rec; /* current insert/search record value */ - uint8_t bc_nlevels; /* number of levels in the tree */ - xfs_btnum_t bc_btnum; /* identifies which btree type */ - int bc_statoff; /* offset of btre stats array */ + uint8_t bc_nlevels; /* number of levels in the tree */ + int bc_statoff; /* offset of btree stats array */ /* * Short btree pointers need an agno to be able to turn the pointers