XFS_RMAP_OFF_MASK 1409 fs/xfs/libxfs/xfs_format.h #define XFS_RMAP_OFF(off) ((off) & XFS_RMAP_OFF_MASK) XFS_RMAP_OFF_MASK 68 fs/xfs/libxfs/xfs_rmap.h if (offset & ~(XFS_RMAP_OFF_MASK | XFS_RMAP_OFF_FLAGS)) XFS_RMAP_OFF_MASK 197 fs/xfs/libxfs/xfs_rmap_btree.c off = (XFS_RMAP_OFF(off) + adj) | (off & ~XFS_RMAP_OFF_MASK);