XFS_IBT_MAGIC      50 fs/xfs/xfs_btree.c 	XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC
XFS_IBT_MAGIC     299 fs/xfs/xfs_fsops.c 		block->bb_magic = cpu_to_be32(XFS_IBT_MAGIC);