42 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_init_local_fork()  local
64 		ifp->if_data = new_data;  in xfs_init_local_fork()
66 		ifp->if_data = NULL;  in xfs_init_local_fork()
69 	ifp->if_bytes = size;  in xfs_init_local_fork()
114 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iformat_extents()  local
137 	ifp->if_bytes = 0;  in xfs_iformat_extents()
138 	ifp->if_data = NULL;  in xfs_iformat_extents()
139 	ifp->if_height = 0;  in xfs_iformat_extents()
143 		xfs_iext_first(ifp, &icur);  in xfs_iformat_extents()
160 			xfs_iext_next(ifp, &icur);  in xfs_iformat_extents()
182 	struct xfs_ifork	*ifp;  in xfs_iformat_btree()  local
188 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iformat_btree()
201 	if (unlikely(ifp->if_nextents <= XFS_IFORK_MAXEXT(ip, whichfork) ||  in xfs_iformat_btree()
205 		     ifp->if_nextents > ip->i_nblocks) ||  in xfs_iformat_btree()
216 	broot = xfs_broot_alloc(ifp, size);  in xfs_iformat_btree()
224 	ifp->if_bytes = 0;  in xfs_iformat_btree()
225 	ifp->if_data = NULL;  in xfs_iformat_btree()
226 	ifp->if_height = 0;  in xfs_iformat_btree()
381 	struct xfs_ifork	*ifp,  in xfs_broot_alloc()  argument
384 	ASSERT(ifp->if_broot == NULL);  in xfs_broot_alloc()
386 	ifp->if_broot = kmalloc(new_size,  in xfs_broot_alloc()
388 	ifp->if_broot_bytes = new_size;  in xfs_broot_alloc()
389 	return ifp->if_broot;  in xfs_broot_alloc()
398 	struct xfs_ifork	*ifp,  in xfs_broot_realloc()  argument
402 	if (new_size == ifp->if_broot_bytes)  in xfs_broot_realloc()
403 		return ifp->if_broot;  in xfs_broot_realloc()
407 		ifp->if_broot_bytes = 0;  in xfs_broot_realloc()
408 		kfree(ifp->if_broot);  in xfs_broot_realloc()
409 		ifp->if_broot = NULL;  in xfs_broot_realloc()
417 	if (ifp->if_broot_bytes > 0 && ifp->if_broot_bytes > new_size) {  in xfs_broot_realloc()
418 		struct xfs_btree_block	*old_broot = ifp->if_broot;  in xfs_broot_realloc()
420 		ifp->if_broot = kmalloc(new_size, GFP_KERNEL | __GFP_NOFAIL);  in xfs_broot_realloc()
421 		ifp->if_broot_bytes = new_size;  in xfs_broot_realloc()
422 		memcpy(ifp->if_broot, old_broot, new_size);  in xfs_broot_realloc()
424 		return ifp->if_broot;  in xfs_broot_realloc()
431 	ifp->if_broot = krealloc(ifp->if_broot, new_size,  in xfs_broot_realloc()
433 	ifp->if_broot_bytes = new_size;  in xfs_broot_realloc()
434 	return ifp->if_broot;  in xfs_broot_realloc()
458 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_idata_realloc()  local
459 	int64_t			new_size = ifp->if_bytes + byte_diff;  in xfs_idata_realloc()
465 		ifp->if_data = krealloc(ifp->if_data, new_size,  in xfs_idata_realloc()
468 			ifp->if_data = NULL;  in xfs_idata_realloc()
469 		ifp->if_bytes = new_size;  in xfs_idata_realloc()
472 	return ifp->if_data;  in xfs_idata_realloc()
478 	struct xfs_ifork	*ifp)  in xfs_idestroy_fork()  argument
480 	if (ifp->if_broot != NULL) {  in xfs_idestroy_fork()
481 		kfree(ifp->if_broot);  in xfs_idestroy_fork()
482 		ifp->if_broot = NULL;  in xfs_idestroy_fork()
485 	switch (ifp->if_format) {  in xfs_idestroy_fork()
487 		kfree(ifp->if_data);  in xfs_idestroy_fork()
488 		ifp->if_data = NULL;  in xfs_idestroy_fork()
492 		if (ifp->if_height)  in xfs_idestroy_fork()
493 			xfs_iext_destroy(ifp);  in xfs_idestroy_fork()
514 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iextents_copy()  local
520 	ASSERT(ifp->if_bytes > 0);  in xfs_iextents_copy()
522 	for_each_xfs_iext(ifp, &icur, &rec) {  in xfs_iextents_copy()
533 	ASSERT(copied <= ifp->if_bytes);  in xfs_iextents_copy()
555 	struct xfs_ifork	*ifp;  in xfs_iflush_fork()  local
566 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iflush_fork()
571 	if (!ifp) {  in xfs_iflush_fork()
577 	switch (ifp->if_format) {  in xfs_iflush_fork()
580 		    (ifp->if_bytes > 0)) {  in xfs_iflush_fork()
581 			ASSERT(ifp->if_data != NULL);  in xfs_iflush_fork()
582 			ASSERT(ifp->if_bytes <= xfs_inode_fork_size(ip, whichfork));  in xfs_iflush_fork()
583 			memcpy(cp, ifp->if_data, ifp->if_bytes);  in xfs_iflush_fork()
589 		    (ifp->if_bytes > 0)) {  in xfs_iflush_fork()
590 			ASSERT(ifp->if_nextents > 0);  in xfs_iflush_fork()
598 		    (ifp->if_broot_bytes > 0)) {  in xfs_iflush_fork()
599 			ASSERT(ifp->if_broot != NULL);  in xfs_iflush_fork()
600 			ASSERT(xfs_bmap_bmdr_space(ifp->if_broot) <=  in xfs_iflush_fork()
602 			xfs_bmbt_to_bmdr(mp, ifp->if_broot, ifp->if_broot_bytes,  in xfs_iflush_fork()
679 		struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, XFS_DATA_FORK);  in xfs_ifork_verify_local_data()  local
680 		struct xfs_dir2_sf_hdr	*sfp = ifp->if_data;  in xfs_ifork_verify_local_data()
682 		fa = xfs_dir2_sf_verify(mp, sfp, ifp->if_bytes);  in xfs_ifork_verify_local_data()
686 		struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, XFS_DATA_FORK);  in xfs_ifork_verify_local_data()  local
688 		fa = xfs_symlink_shortform_verify(ifp->if_data, ifp->if_bytes);  in xfs_ifork_verify_local_data()
709 	struct xfs_ifork	*ifp = &ip->i_af;  in xfs_ifork_verify_local_attr()  local
715 		struct xfs_ifork		*ifp = &ip->i_af;  in xfs_ifork_verify_local_attr()  local
717 		ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);  in xfs_ifork_verify_local_attr()
718 		fa = xfs_attr_shortform_verify(ifp->if_data, ifp->if_bytes);  in xfs_ifork_verify_local_attr()
722 				ifp->if_data, ifp->if_bytes, fa);  in xfs_ifork_verify_local_attr()
746 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iext_count_extend()  local
755 	nr_exts = ifp->if_nextents + nr_to_add;  in xfs_iext_count_extend()
756 	if (nr_exts < ifp->if_nextents)  in xfs_iext_count_extend()