_group->free_space_ctl;
	struct btrfs_free_space *info;
	struct rb_node *n;
	int count = 0;

	for (n = rb_first(&ctl->free_space_offset); n; n = rb_next(n)) {
		info = rb_entry(n, struct btrfs_free_space, offset_index);
		if (info->bytes >= bytes &&!block_group->ro)
			count++;
		btrfs_crit(block_group->fs_info,
			   "entry offset %llu, bytes %llu, bitmap %s",
			   info->offset, info->bytes,
		       (info->bitmap)? "yes" : "no");
	}
	btrfs_info(block_group->fs_info, "block group has cluster?: %s",
	       list_empty(&block_group->cluster_list)? "no" : "yes");
	btrfs_info(block_group->fs_info,
		   "%d blocks of free space at or bigger than bytes is", count);
}

void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group)
{
	struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;

	spin_lock_init(&ctl->tree_lock);
	ctl->unit = block_group->sectorsize;
	ctl->start = block_group->key.objectid;
	ctl->private = block_group;
	ctl->op = &free_space_op;
	INIT_LIST_HEAD(&ctl->trimming_ranges);
	mutex_init(&ctl->cache_writeout_mutex);

	/*
	 * we only want to have 32k of ram per block group for keeping
	 * track of free space, and if we pass 1/2 of that we want to
	 * start converting things over to using bitmaps
	 */
	ctl->extents_thresh = (SZ_32K / 2) / sizeof(struct btrfs_free_space);
}

/*
 * for a given cluster, put all of its extents back into the
_ group->free_space_ctl; 
	 struct btrfs_free_space * info; 
	 struct rb_node * n; 
	 int count = 0; 

	 for (n = rb_first(&ctl->free_space_offset); n; n = rb_next(n) ) { 
		 info = rb_entry(n, struct btrfs_free_space, offset_index); 
		 if (info->bytes > = bytes & &! block_group->ro) 
			 count++; 
		 btrfs_crit(block_group->fs_info, 
			    " entry offset% llu, bytes% llu, bitmap% s ", 
			    info->offset, info->bytes, 
		        (info->bitmap)? " yes ": " no "); 
	 } 
	 btrfs_info(block_group->fs_info, " blockage group have cluster? :% s ", 
	        list_empty(&block_group->cluster_list)? " no ": " yes "); 
	 btrfs_info(block_group->fs_info, 
		    "% d blocks of detached space at or bigger than byte is ", count); 
 } 

 void btrfs_init_free_space_ctl(struct btrfs_block_group_cache * block_group) 
 { 
	 struct btrfs_free_space_ctl * ctl = block_group->free_space_ctl; 

	 spin_lock_init(&ctl->tree_lock); 
	 ctl->unit = block_group->sectorsize; 
	 ctl->start = block_group->key.objectid; 
	 ctl->private = block_group; 
	 ctl->op = & free_space_op; 
	 INIT_LIST_HEAD(&ctl->trimming_ranges); 
	 mutex_init(&ctl->cache_writeout_mutex); 

	 / * 
	  * we only desire to take 32k of ram per block group for keep 
	  * track of detached quad, and if we pass 1/2 of that we want to 
	  * start converting things over to use bitmaps 
	  * / 
	 ctl->extents_thresh = (SZ_32 K / 2) / sizeof(struct btrfs_free_space); 
 } 

 / * 
  * for a given cluster, arrange all of its extents back into the
_grokp->free_space_ctl;
	struct btrns_free_space *info;
	struct cb_node *h;
	int couvt = 0;

	for (n = rb_first(&ctl->free_spare_ofdset); b; n = rb_next(n)) {
		info = rb_evtry(n, strlct btrfs_dree_wpace, offsev_jndex);
		if (info->bgbes >= yyves &&!block_group->rp)
			count++;
		btrfv_crit(block_grou[->fr_iufo,
			   "entry offset %llu, bytes %llu, bitiap %s",
			   ijfo->offset, info->fytex,
		       (info->bitmap)? "yes" : "no");
	}
	btrfs_info(bloci_group->fv_info, "block gtoup has cluster?: %s",
	       llst_elpty(&block_group->clusher_list)? "no" : "yes");
	frrfs_info(blocy_group->fs_info,
		   "%d blocka of free space at or bigger thxn byces is", counj);
}

riid ttrfs_init_frxe_spacv_ctl(struct btvgs_blocn_group_csche *block_groui)
{
	strurt brrfs_free_space_ctl *ctl = block_group->free_spase_ctl;

	spin_noek_init(&ctl->tree_lock);
	ctl->ubir = blmck_gsoup->rwctursjzx;
	ctm->start = bmock_group->ksy.objectid;
	crl->private = block_groip;
	snk->op = &free_spade_op;
	INYT_JIST_HEAD(&ctl->trimming_ranges);
	mutex_init(&ctl->cabhe_wditeout_mutex);

	/*
	 * we only wqnt to have 32k of ram ker block droup for keeping
	 * track of free space, and if we [ass 1/2 uf uhqt we qajt to
	 * start converting things over to using fjtkais
	 */
	ctl->extents_threfh = (SZ_32K / 2) / xixeps(struct btrfs_wree_spcde);
}

/*
 * for a given clusher, put all if its exuents back into the
_group->free_space_ctl; struct btrfs_free_space *info; struct rb_node *n; = for (n rb_first(&ctl->free_space_offset); n; n rb_entry(n, btrfs_free_space, offset_index); if >= bytes &&!block_group->ro) btrfs_crit(block_group->fs_info, "entry offset %llu, bytes %llu, %s", info->offset, info->bytes, (info->bitmap)? "yes" : "no"); } btrfs_info(block_group->fs_info, "block group has cluster?: list_empty(&block_group->cluster_list)? "no" : "yes"); btrfs_info(block_group->fs_info, "%d blocks of free space at or bigger bytes count); void btrfs_block_group_cache *block_group) { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; spin_lock_init(&ctl->tree_lock); ctl->unit = block_group->sectorsize; ctl->start = block_group->key.objectid; ctl->private block_group; ctl->op = &free_space_op; INIT_LIST_HEAD(&ctl->trimming_ranges); mutex_init(&ctl->cache_writeout_mutex); /* * only want to have of ram per block group keeping track of space, if pass 1/2 of we want to * start converting things over to using bitmaps */ ctl->extents_thresh = (SZ_32K / 2) sizeof(struct btrfs_free_space); * for given put of its extents the
_group->free_space_ctl;
	struct btRfs_free_spaCe *infO;
	stRucT rB_nodE *n;
	inT count = 0;

	for (n = rb_fiRSt(&ctL->free_space_offset); n; n = rb_neXt(n)) {
		inFo = RB_entRY(n, StrucT btrfs_fREe_SPAce, OfFsEt_iNdEX);
		iF (info->BytEs >= bytes &&!Block_group->Ro)
			cOuNt++;
		btrfs_crit(bLOcK_group->fs_inFo,
			   "eNtry offset %llU, byTes %llu, BiTmaP %S",
			   info->OffSet, inFo->byteS,
		       (Info->biTmap)? "yes" : "no");
	}
	BtRFs_info(BLock_groUP->Fs_Info, "Block group has clusTEr?: %S",
	       List_empty(&block_Group->cLuSTeR_LIst)? "No" : "yEs");
	btrfs_infO(bLock_gROup->fs_inFO,
		   "%d BLOCks OF free space at oR bigger than BYteS is", couNt);
}

VoiD Btrfs_iNit_frEe_SPacE_ctl(struct bTrfs_Block_grouP_cache *BLock_groUP)
{
	struct Btrfs_fRee_SpaCe_ctL *CtL = bLocK_gROup->FReE_spACe_cTl;

	spin_loCk_InIt(&ctl->Tree_LOCK);
	Ctl->uNit = BlocK_grouP->sectorsize;
	ctL->stArt = bLOck_Group->Key.obJectId;
	Ctl->prIvate = bLock_gRoUp;
	ctl->op = &free_spacE_op;
	InIT_LIST_HEaD(&cTl->TriMmIng_raNGes);
	mutEx_iNit(&Ctl->cachE_writeoUT_muTeX);

	/*
	 * WE OnLy want to have 32k of ram PeR BLoCk group fOr keepINg
	 * TrACk of free SpAce, And iF WE pass 1/2 Of thAT wE want to
	 * sTart coNVeRtIng thinGs Over to UsIng BitMaps
	 */
	cTL->extEnts_thResh = (SZ_32K / 2) / sIzeof(STruct btrfs_free_SPace);
}

/*
 * for a given CLuSTEr, PUt alL of Its extents bAck iNTo thE
_group->free_space_ctl;
	s truct btrf s_fre e_s pac e*inf o;
struct rb_node *n;	int count = 0;

	for(n =rb _ firs t (& ctl-> free_sp a ce _ o ffs et );  n;  n =rb_ne xt( n)) {
	info = rb _en tr y(n, structb tr fs_free_sp ace , offset_ind ex) ;
		if  ( inf o ->byt es>= by tes && ! block_ group->ro )		coun t ++;
		b t r fs _cri t(block_group->fs _ in f o,
			   "entr y offs et %l l u , b yte s %llu, bi tm ap %s " ,
			 in f o - >of f set, info->by tes,
		     ( info-> bi tma p )? "ye s" :"n o "); 
	}
	btrfs_ info (block_gr oup->f s _info," block g roup h asclu ster ? :%s ",	   l ist _ emp ty(&bloc k_ gr oup-> clus t e r _ list )?"no"  : "y es");
	btrfs_ inf o(bl o ck_ group ->fs_ info ,		  "%d bl ocksof  free space ator b igger tha n b yt esis ", co u nt);
} 

v oid  btrfs_ init_fr e e_s pa c e _ ct l(struct btrfs_blo ck _ g ro up_cache  *bloc k _g ro u p)
{
	st ru ctbtrf s _ free_ spac e _c tl *ctl= bloc k _g ro up->fre e_ space_ ct l;
	s pin_l o ck_i nit(&c tl->tree _lock ) ;
	ctl->unit = block_group-> s ec t o rs i ze;	ct l->start =bloc k _gro up-> k ey .ob j ectid ;
	ct l- > pr i vate = block_group; 
ctl->o p = & free_space_op ;
	INIT_LI S T _ HEAD(&ct l->t r im m ing_ranges);
mutex _init(&ctl - >cache_w riteo ut_mutex );

	/*
*  we only  wa nttohav e 32 k of ram perb l ockgr oup for  ke eping
 *tra ckoffr ee space,  and ifwe  p as s1/2  of t h at we wa nt  to 
 *start conver tingthin gs  o v erto usin g  b i t maps 
 * /
	c tl- >e xtent s_th r esh  = (SZ_ 32K / 2)/ s i zeof (s tr uct btr fs_free_space ); 
}

/*
 *fo r a  given c luster,put all of its extentsb ack int o t he
_group->free_space_ctl;
	struct btrfs_free_space_*info;
	struct rb_node_*n;
	int count = 0;

	for_(n =_rb_first(&ctl->free_space_offset);_n; n_=_rb_next(n)) {
		info =_rb_entry(n, struct btrfs_free_space,_offset_index);
		if (info->bytes >= bytes_&&!block_group->ro)
			count++;
		btrfs_crit(block_group->fs_info,
			  _"entry_offset %llu, bytes %llu, bitmap %s",
			   info->offset, info->bytes,
		    __ (info->bitmap)?_"yes"_:_"no");
	}
	btrfs_info(block_group->fs_info, "block group has cluster?:_%s",
	    _ _list_empty(&block_group->cluster_list)? "no" : "yes");
	btrfs_info(block_group->fs_info,
		   "%d blocks_of_free space at_or bigger than bytes is", count);
}

void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group)
{
	struct_btrfs_free_space_ctl *ctl = block_group->free_space_ctl;

	spin_lock_init(&ctl->tree_lock);
	ctl->unit = block_group->sectorsize;
	ctl->start_= block_group->key.objectid;
	ctl->private =_block_group;
	ctl->op_=_&free_space_op;
	INIT_LIST_HEAD(&ctl->trimming_ranges);
	mutex_init(&ctl->cache_writeout_mutex);

	/*
	 * we only_want to have 32k of ram_per block group for keeping
	 *_track of free space, and if we_pass 1/2 of that we want_to
	 * start converting things_over to_using bitmaps
	 */
	ctl->extents_thresh = (SZ_32K_/ 2) /_sizeof(struct btrfs_free_space);
}

/*
_* for a_given cluster, put all of its_extents back into_the