758 	struct ntfs_index_context *ictx = NULL;  in ntfs_readdir()  local
806 	ictx = ntfs_index_ctx_get(ndir, I30, 4);  in ntfs_readdir()
807 	if (!ictx) {  in ntfs_readdir()
816 		ntfs_index_ctx_put(ictx);  in ntfs_readdir()
829 					ictx);  in ntfs_readdir()
831 			next = ictx->entry;  in ntfs_readdir()
838 			if (actor->pos > vol->mft_record_size && ictx->ia_ni) {  in ntfs_readdir()
839 				err = ntfs_ia_blocks_readahead(ictx->ia_ni, actor->pos);  in ntfs_readdir()
877 	ictx->ir = ir;  in ntfs_readdir()
878 	ictx->actx = ctx;  in ntfs_readdir()
879 	ictx->parent_vcn[ictx->pindex] = VCN_INDEX_ROOT_PARENT;  in ntfs_readdir()
880 	ictx->is_in_root = true;  in ntfs_readdir()
881 	ictx->parent_pos[ictx->pindex] = 0;  in ntfs_readdir()
883 	ictx->block_size = le32_to_cpu(ir->index_block_size);  in ntfs_readdir()
884 	if (ictx->block_size < NTFS_BLOCK_SIZE) {  in ntfs_readdir()
886 				ictx->block_size, NTFS_BLOCK_SIZE);  in ntfs_readdir()
891 	if (vol->cluster_size <= ictx->block_size)  in ntfs_readdir()
892 		ictx->vcn_size_bits = vol->cluster_size_bits;  in ntfs_readdir()
894 		ictx->vcn_size_bits = NTFS_BLOCK_SIZE_BITS;  in ntfs_readdir()
901 		ictx->ia_ni = ntfs_ia_open(ictx, ictx->idx_ni);  in ntfs_readdir()
902 		if (!ictx->ia_ni) {  in ntfs_readdir()
907 		err = ntfs_ia_blocks_readahead(ictx->ia_ni, actor->pos);  in ntfs_readdir()
913 		next = ntfs_index_walk_down(next, ictx);  in ntfs_readdir()
924 		next = ntfs_index_next(next, ictx);  in ntfs_readdir()
933 		if (ntfs_index_entry_inconsistent(ictx, vol, next, COLLATION_FILE_NAME,  in ntfs_readdir()
1048 	ntfs_index_ctx_put(ictx);  in ntfs_readdir()