38 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_init_local_fork()  local
53 		ifp->if_u1.if_data = kmem_alloc(mem_size, KM_NOFS);  in xfs_init_local_fork()
54 		memcpy(ifp->if_u1.if_data, data, size);  in xfs_init_local_fork()
56 			ifp->if_u1.if_data[size] = '\0';  in xfs_init_local_fork()
58 		ifp->if_u1.if_data = NULL;  in xfs_init_local_fork()
61 	ifp->if_bytes = size;  in xfs_init_local_fork()
105 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iformat_extents()  local
127 	ifp->if_bytes = 0;  in xfs_iformat_extents()
128 	ifp->if_u1.if_root = NULL;  in xfs_iformat_extents()
129 	ifp->if_height = 0;  in xfs_iformat_extents()
133 		xfs_iext_first(ifp, &icur);  in xfs_iformat_extents()
148 			xfs_iext_next(ifp, &icur);  in xfs_iformat_extents()
170 	struct xfs_ifork	*ifp;  in xfs_iformat_btree()  local
176 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iformat_btree()
189 	if (unlikely(ifp->if_nextents <= XFS_IFORK_MAXEXT(ip, whichfork) ||  in xfs_iformat_btree()
193 		     ifp->if_nextents > ip->i_nblocks) ||  in xfs_iformat_btree()
203 	ifp->if_broot_bytes = size;  in xfs_iformat_btree()
204 	ifp->if_broot = kmem_alloc(size, KM_NOFS);  in xfs_iformat_btree()
205 	ASSERT(ifp->if_broot != NULL);  in xfs_iformat_btree()
211 			 ifp->if_broot, size);  in xfs_iformat_btree()
213 	ifp->if_bytes = 0;  in xfs_iformat_btree()
214 	ifp->if_u1.if_root = NULL;  in xfs_iformat_btree()
215 	ifp->if_height = 0;  in xfs_iformat_btree()
363 	struct xfs_ifork	*ifp;  in xfs_iroot_realloc()  local
377 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iroot_realloc()
383 		if (ifp->if_broot_bytes == 0) {  in xfs_iroot_realloc()
385 			ifp->if_broot = kmem_alloc(new_size, KM_NOFS);  in xfs_iroot_realloc()
386 			ifp->if_broot_bytes = (int)new_size;  in xfs_iroot_realloc()
396 		cur_max = xfs_bmbt_maxrecs(mp, ifp->if_broot_bytes, 0);  in xfs_iroot_realloc()
399 		ifp->if_broot = krealloc(ifp->if_broot, new_size,  in xfs_iroot_realloc()
401 		op = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1,  in xfs_iroot_realloc()
402 						     ifp->if_broot_bytes);  in xfs_iroot_realloc()
403 		np = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1,  in xfs_iroot_realloc()
405 		ifp->if_broot_bytes = (int)new_size;  in xfs_iroot_realloc()
406 		ASSERT(XFS_BMAP_BMDR_SPACE(ifp->if_broot) <=  in xfs_iroot_realloc()
417 	ASSERT((ifp->if_broot != NULL) && (ifp->if_broot_bytes > 0));  in xfs_iroot_realloc()
418 	cur_max = xfs_bmbt_maxrecs(mp, ifp->if_broot_bytes, 0);  in xfs_iroot_realloc()
430 		memcpy(new_broot, ifp->if_broot,  in xfs_iroot_realloc()
443 		op = (char *)XFS_BMBT_REC_ADDR(mp, ifp->if_broot, 1);  in xfs_iroot_realloc()
450 		op = (char *)XFS_BMAP_BROOT_PTR_ADDR(mp, ifp->if_broot, 1,  in xfs_iroot_realloc()
451 						     ifp->if_broot_bytes);  in xfs_iroot_realloc()
456 	kmem_free(ifp->if_broot);  in xfs_iroot_realloc()
457 	ifp->if_broot = new_broot;  in xfs_iroot_realloc()
458 	ifp->if_broot_bytes = (int)new_size;  in xfs_iroot_realloc()
459 	if (ifp->if_broot)  in xfs_iroot_realloc()
460 		ASSERT(XFS_BMAP_BMDR_SPACE(ifp->if_broot) <=  in xfs_iroot_realloc()
487 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_idata_realloc()  local
488 	int64_t			new_size = ifp->if_bytes + byte_diff;  in xfs_idata_realloc()
497 		kmem_free(ifp->if_u1.if_data);  in xfs_idata_realloc()
498 		ifp->if_u1.if_data = NULL;  in xfs_idata_realloc()
499 		ifp->if_bytes = 0;  in xfs_idata_realloc()
503 	ifp->if_u1.if_data = krealloc(ifp->if_u1.if_data, new_size,  in xfs_idata_realloc()
505 	ifp->if_bytes = new_size;  in xfs_idata_realloc()
510 	struct xfs_ifork	*ifp)  in xfs_idestroy_fork()  argument
512 	if (ifp->if_broot != NULL) {  in xfs_idestroy_fork()
513 		kmem_free(ifp->if_broot);  in xfs_idestroy_fork()
514 		ifp->if_broot = NULL;  in xfs_idestroy_fork()
517 	switch (ifp->if_format) {  in xfs_idestroy_fork()
519 		kmem_free(ifp->if_u1.if_data);  in xfs_idestroy_fork()
520 		ifp->if_u1.if_data = NULL;  in xfs_idestroy_fork()
524 		if (ifp->if_height)  in xfs_idestroy_fork()
525 			xfs_iext_destroy(ifp);  in xfs_idestroy_fork()
546 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iextents_copy()  local
552 	ASSERT(ifp->if_bytes > 0);  in xfs_iextents_copy()
554 	for_each_xfs_iext(ifp, &icur, &rec) {  in xfs_iextents_copy()
565 	ASSERT(copied <= ifp->if_bytes);  in xfs_iextents_copy()
587 	struct xfs_ifork	*ifp;  in xfs_iflush_fork()  local
598 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iflush_fork()
603 	if (!ifp) {  in xfs_iflush_fork()
609 	switch (ifp->if_format) {  in xfs_iflush_fork()
612 		    (ifp->if_bytes > 0)) {  in xfs_iflush_fork()
613 			ASSERT(ifp->if_u1.if_data != NULL);  in xfs_iflush_fork()
614 			ASSERT(ifp->if_bytes <= xfs_inode_fork_size(ip, whichfork));  in xfs_iflush_fork()
615 			memcpy(cp, ifp->if_u1.if_data, ifp->if_bytes);  in xfs_iflush_fork()
621 		    (ifp->if_bytes > 0)) {  in xfs_iflush_fork()
622 			ASSERT(ifp->if_nextents > 0);  in xfs_iflush_fork()
630 		    (ifp->if_broot_bytes > 0)) {  in xfs_iflush_fork()
631 			ASSERT(ifp->if_broot != NULL);  in xfs_iflush_fork()
632 			ASSERT(XFS_BMAP_BMDR_SPACE(ifp->if_broot) <=  in xfs_iflush_fork()
634 			xfs_bmbt_to_bmdr(mp, ifp->if_broot, ifp->if_broot_bytes,  in xfs_iflush_fork()
714 	struct xfs_ifork	*ifp = &ip->i_af;  in xfs_ifork_verify_local_attr()  local
724 				ifp->if_u1.if_data, ifp->if_bytes, fa);  in xfs_ifork_verify_local_attr()
737 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iext_count_may_overflow()  local
750 	nr_exts = ifp->if_nextents + nr_to_add;  in xfs_iext_count_may_overflow()
751 	if (nr_exts < ifp->if_nextents || nr_exts > max_exts)  in xfs_iext_count_may_overflow()