XFS_SB_DADDR
.daddr = XFS_AG_DADDR(mp, id->agno, XFS_SB_DADDR),
#define XFS_SB_BLOCK(mp) XFS_HDR_BLOCK(mp, XFS_SB_DADDR)
ASSERT((d) == XFS_SB_DADDR || \
xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
if (xfs_buf_daddr(bp) == XFS_SB_DADDR ||
XFS_AG_DADDR(mp, pag_agno(pag), XFS_SB_DADDR),
if (xfs_buf_daddr(bp) == XFS_SB_DADDR && !sbp->sb_inprogress &&
xfs_buf_daddr(bp) == XFS_SB_DADDR, false))
error = xfs_buf_read_uncached(mp->m_ddev_targp, XFS_SB_DADDR,