944 	int		ext_diff)	/* number of extents to add */  in xfs_iext_add()  argument
952 	byte_diff = ext_diff * sizeof(xfs_bmbt_rec_t);  in xfs_iext_add()
959 	if (nextents + ext_diff <= XFS_INLINE_EXTS) {  in xfs_iext_add()
961 			memmove(&ifp->if_u2.if_inline_ext[idx + ext_diff],  in xfs_iext_add()
975 	else if (nextents + ext_diff <= XFS_LINEAR_EXTS) {  in xfs_iext_add()
978 			memmove(&ifp->if_u1.if_extents[idx + ext_diff],  in xfs_iext_add()
990 		ASSERT(nextents + ext_diff > XFS_LINEAR_EXTS);  in xfs_iext_add()
999 		if (erp && erp->er_extcount + ext_diff <= XFS_LINEAR_EXTS) {  in xfs_iext_add()
1001 				memmove(&erp->er_extbuf[page_idx + ext_diff],  in xfs_iext_add()
1007 			erp->er_extcount += ext_diff;  in xfs_iext_add()
1008 			xfs_iext_irec_update_extoffs(ifp, erp_idx + 1, ext_diff);  in xfs_iext_add()
1013 				erp_idx, page_idx, ext_diff);  in xfs_iext_add()
1022 			uint	count = ext_diff;  in xfs_iext_add()
1061 	xfs_extnum_t	ext_diff;		/* number of extents to add */  in xfs_iext_add_indirect_multi()  local
1091 	ext_diff = MIN(ext_cnt, (int)XFS_LINEAR_EXTS - erp->er_extcount);  in xfs_iext_add_indirect_multi()
1092 	if (ext_diff) {  in xfs_iext_add_indirect_multi()
1093 		erp->er_extcount += ext_diff;  in xfs_iext_add_indirect_multi()
1094 		xfs_iext_irec_update_extoffs(ifp, erp_idx + 1, ext_diff);  in xfs_iext_add_indirect_multi()
1095 		ext_cnt -= ext_diff;  in xfs_iext_add_indirect_multi()
1100 		ext_diff = MIN(ext_cnt, (int)XFS_LINEAR_EXTS);  in xfs_iext_add_indirect_multi()
1101 		erp->er_extcount = ext_diff;  in xfs_iext_add_indirect_multi()
1102 		xfs_iext_irec_update_extoffs(ifp, erp_idx + 1, ext_diff);  in xfs_iext_add_indirect_multi()
1103 		ext_cnt -= ext_diff;  in xfs_iext_add_indirect_multi()
1164 	int		ext_diff,	/* number of extents to remove */  in xfs_iext_remove()  argument
1173 	ASSERT(ext_diff > 0);  in xfs_iext_remove()
1175 	new_size = (nextents - ext_diff) * sizeof(xfs_bmbt_rec_t);  in xfs_iext_remove()
1180 		xfs_iext_remove_indirect(ifp, idx, ext_diff);  in xfs_iext_remove()
1182 		xfs_iext_remove_direct(ifp, idx, ext_diff);  in xfs_iext_remove()
1184 		xfs_iext_remove_inline(ifp, idx, ext_diff);  in xfs_iext_remove()
1197 	int		ext_diff)	/* number of extents to remove */  in xfs_iext_remove_inline()  argument
1204 	ASSERT(((nextents - ext_diff) > 0) &&  in xfs_iext_remove_inline()
1205 		(nextents - ext_diff) < XFS_INLINE_EXTS);  in xfs_iext_remove_inline()
1207 	if (idx + ext_diff < nextents) {  in xfs_iext_remove_inline()
1209 			&ifp->if_u2.if_inline_ext[idx + ext_diff],  in xfs_iext_remove_inline()
1210 			(nextents - (idx + ext_diff)) *  in xfs_iext_remove_inline()
1212 		memset(&ifp->if_u2.if_inline_ext[nextents - ext_diff],  in xfs_iext_remove_inline()
1213 			0, ext_diff * sizeof(xfs_bmbt_rec_t));  in xfs_iext_remove_inline()
1216 			ext_diff * sizeof(xfs_bmbt_rec_t));  in xfs_iext_remove_inline()
1234 	int		ext_diff)	/* number of extents to remove */  in xfs_iext_remove_direct()  argument
1241 		(ext_diff * sizeof(xfs_bmbt_rec_t));  in xfs_iext_remove_direct()
1249 	if (idx + ext_diff < nextents) {  in xfs_iext_remove_direct()
1251 			&ifp->if_u1.if_extents[idx + ext_diff],  in xfs_iext_remove_direct()
1252 			(nextents - (idx + ext_diff)) *  in xfs_iext_remove_direct()
1255 	memset(&ifp->if_u1.if_extents[nextents - ext_diff],  in xfs_iext_remove_direct()
1256 		0, ext_diff * sizeof(xfs_bmbt_rec_t));  in xfs_iext_remove_direct()
1291 	xfs_extnum_t	ext_diff;	/* extents to remove in current list */  in xfs_iext_remove_indirect()  local
1303 		ext_diff = MIN(ext_cnt, (erp->er_extcount - nex1));  in xfs_iext_remove_indirect()
1308 		if (ext_diff == erp->er_extcount) {  in xfs_iext_remove_indirect()
1310 			ext_cnt -= ext_diff;  in xfs_iext_remove_indirect()
1325 				&erp->er_extbuf[nex1 + ext_diff],  in xfs_iext_remove_indirect()
1332 		erp->er_extcount -= ext_diff;  in xfs_iext_remove_indirect()
1333 		xfs_iext_irec_update_extoffs(ifp, erp_idx + 1, -ext_diff);  in xfs_iext_remove_indirect()
1334 		ext_cnt -= ext_diff;  in xfs_iext_remove_indirect()
1892 	int		ext_diff)	/* number of new extents */  in xfs_iext_irec_update_extoffs()  argument
1900 		ifp->if_u1.if_ext_irec[i].er_extoff += ext_diff;  in xfs_iext_irec_update_extoffs()