xfs: separate space btree structures in xfs_ondisk.h

Create a separate section for space management btrees so that they're
not mixed in with file structures.  Ignore the dsb stuff sprinkled
around for now, because we'll deal with that in a subsequent patch.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

Author: Darrick J. Wong

fs/xfs/libxfs/xfs_ondisk.h

@@ -22,38 +22,39 @@
 static inline void __init
 xfs_check_ondisk_structs(void)
 {
-	/* ag/file structures */
+	/* file structures */
 	XFS_CHECK_STRUCT_SIZE(struct xfs_acl,			4);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_acl_entry,		12);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_agf,			224);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_agfl,			36);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_agi,			344);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_key,		8);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_bmbt_rec,		16);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_bmdr_block,		4);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block_shdr,	48);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block_lhdr,	64);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block,		72);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_dinode,		176);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_disk_dquot,		104);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_dqblk,			136);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_dsb,			288);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_dsymlink_hdr,		56);
+	XFS_CHECK_STRUCT_SIZE(xfs_timestamp_t,			8);
+	XFS_CHECK_STRUCT_SIZE(struct xfs_legacy_timestamp,	8);
+
+	/* space btrees */
+	XFS_CHECK_STRUCT_SIZE(struct xfs_agf,			224);
+	XFS_CHECK_STRUCT_SIZE(struct xfs_agfl,			36);
+	XFS_CHECK_STRUCT_SIZE(struct xfs_agi,			344);
+	XFS_CHECK_STRUCT_SIZE(struct xfs_alloc_rec,		8);
+	XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block,		72);
+	XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block_lhdr,	64);
+	XFS_CHECK_STRUCT_SIZE(struct xfs_btree_block_shdr,	48);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_key,		4);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_inobt_rec,		16);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_refcount_key,		4);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_refcount_rec,		12);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_key,		20);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_rmap_rec,		24);
-	XFS_CHECK_STRUCT_SIZE(xfs_timestamp_t,			8);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_legacy_timestamp,	8);
 	XFS_CHECK_STRUCT_SIZE(xfs_alloc_key_t,			8);
 	XFS_CHECK_STRUCT_SIZE(xfs_alloc_ptr_t,			4);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_alloc_rec,		8);
 	XFS_CHECK_STRUCT_SIZE(xfs_inobt_ptr_t,			4);
 	XFS_CHECK_STRUCT_SIZE(xfs_refcount_ptr_t,		4);
 	XFS_CHECK_STRUCT_SIZE(xfs_rmap_ptr_t,			4);
-	XFS_CHECK_STRUCT_SIZE(struct xfs_rtsb,			56);
 
 	/* dir/attr trees */
 	XFS_CHECK_STRUCT_SIZE(struct xfs_attr3_leaf_hdr,	80);
@@ -74,6 +75,7 @@ xfs_check_ondisk_structs(void)
 	XFS_CHECK_STRUCT_SIZE(struct xfs_attr_leaf_name_local,	4);
 
 	/* realtime structures */
+	XFS_CHECK_STRUCT_SIZE(struct xfs_rtsb,			56);
 	XFS_CHECK_STRUCT_SIZE(union xfs_rtword_raw,		4);
 	XFS_CHECK_STRUCT_SIZE(union xfs_suminfo_raw,		4);
 	XFS_CHECK_STRUCT_SIZE(struct xfs_rtbuf_blkinfo,		48);