[mirror_ubuntu-artful-kernel.git] / include / linux / ceph / osdmap.h

#ifndef _FS_CEPH_OSDMAP_H
#define _FS_CEPH_OSDMAP_H

#include <linux/rbtree.h>
#include <linux/ceph/types.h>
#include <linux/ceph/decode.h>
#include <linux/ceph/ceph_fs.h>
#include <linux/crush/crush.h>

/*
 * The osd map describes the current membership of the osd cluster and
 * specifies the mapping of objects to placement groups and placement
 * groups to (sets of) osds.  That is, it completely specifies the
 * (desired) distribution of all data objects in the system at some
 * point in time.
 *
 * Each map version is identified by an epoch, which increases monotonically.
 *
 * The map can be updated either via an incremental map (diff) describing
 * the change between two successive epochs, or as a fully encoded map.
 */
struct ceph_pg {
	uint64_t pool;
	uint32_t seed;
};

#define CEPH_SPG_NOSHARD	-1

struct ceph_spg {
	struct ceph_pg pgid;
	s8 shard;
};

int ceph_pg_compare(const struct ceph_pg *lhs, const struct ceph_pg *rhs);
int ceph_spg_compare(const struct ceph_spg *lhs, const struct ceph_spg *rhs);

#define CEPH_POOL_FLAG_HASHPSPOOL	(1ULL << 0) /* hash pg seed and pool id
						       together */
#define CEPH_POOL_FLAG_FULL		(1ULL << 1) /* pool is full */

struct ceph_pg_pool_info {
	struct rb_node node;
	s64 id;
	u8 type; /* CEPH_POOL_TYPE_* */
	u8 size;
	u8 min_size;
	u8 crush_ruleset;
	u8 object_hash;
	u32 last_force_request_resend;
	u32 pg_num, pgp_num;
	int pg_num_mask, pgp_num_mask;
	s64 read_tier;
	s64 write_tier; /* wins for read+write ops */
	u64 flags; /* CEPH_POOL_FLAG_* */
	char *name;

	bool was_full;  /* for handle_one_map() */
};

static inline bool ceph_can_shift_osds(struct ceph_pg_pool_info *pool)
{
	switch (pool->type) {
	case CEPH_POOL_TYPE_REP:
		return true;
	case CEPH_POOL_TYPE_EC:
		return false;
	default:
		BUG();
	}
}

struct ceph_object_locator {
	s64 pool;
	struct ceph_string *pool_ns;
};

static inline void ceph_oloc_init(struct ceph_object_locator *oloc)
{
	oloc->pool = -1;
	oloc->pool_ns = NULL;
}

static inline bool ceph_oloc_empty(const struct ceph_object_locator *oloc)
{
	return oloc->pool == -1;
}

void ceph_oloc_copy(struct ceph_object_locator *dest,
		    const struct ceph_object_locator *src);
void ceph_oloc_destroy(struct ceph_object_locator *oloc);

/*
 * 51-char inline_name is long enough for all cephfs and all but one
 * rbd requests: <imgname> in "<imgname>.rbd"/"rbd_id.<imgname>" can be
 * arbitrarily long (~PAGE_SIZE).  It's done once during rbd map; all
 * other rbd requests fit into inline_name.
 *
 * Makes ceph_object_id 64 bytes on 64-bit.
 */
#define CEPH_OID_INLINE_LEN 52

/*
 * Both inline and external buffers have space for a NUL-terminator,
 * which is carried around.  It's not required though - RADOS object
 * names don't have to be NUL-terminated and may contain NULs.
 */
struct ceph_object_id {
	char *name;
	char inline_name[CEPH_OID_INLINE_LEN];
	int name_len;
};

static inline void ceph_oid_init(struct ceph_object_id *oid)
{
	oid->name = oid->inline_name;
	oid->name_len = 0;
}

#define CEPH_OID_INIT_ONSTACK(oid)					\
    ({ ceph_oid_init(&oid); oid; })
#define CEPH_DEFINE_OID_ONSTACK(oid)					\
	struct ceph_object_id oid = CEPH_OID_INIT_ONSTACK(oid)

static inline bool ceph_oid_empty(const struct ceph_object_id *oid)
{
	return oid->name == oid->inline_name && !oid->name_len;
}

void ceph_oid_copy(struct ceph_object_id *dest,
		   const struct ceph_object_id *src);
__printf(2, 3)
void ceph_oid_printf(struct ceph_object_id *oid, const char *fmt, ...);
__printf(3, 4)
int ceph_oid_aprintf(struct ceph_object_id *oid, gfp_t gfp,
		     const char *fmt, ...);
void ceph_oid_destroy(struct ceph_object_id *oid);

struct ceph_pg_mapping {
	struct rb_node node;
	struct ceph_pg pgid;

	union {
		struct {
			int len;
			int osds[];
		} pg_temp, pg_upmap;
		struct {
			int osd;
		} primary_temp;
		struct {
			int len;
			int from_to[][2];
		} pg_upmap_items;
	};
};

struct ceph_osdmap {
	struct ceph_fsid fsid;
	u32 epoch;
	struct ceph_timespec created, modified;

	u32 flags;         /* CEPH_OSDMAP_* */

	u32 max_osd;       /* size of osd_state, _offload, _addr arrays */
	u32 *osd_state;    /* CEPH_OSD_* */
	u32 *osd_weight;   /* 0 = failed, 0x10000 = 100% normal */
	struct ceph_entity_addr *osd_addr;

	struct rb_root pg_temp;
	struct rb_root primary_temp;

	/* remap (post-CRUSH, pre-up) */
	struct rb_root pg_upmap;	/* PG := raw set */
	struct rb_root pg_upmap_items;	/* from -> to within raw set */

	u32 *osd_primary_affinity;

	struct rb_root pg_pools;
	u32 pool_max;

	/* the CRUSH map specifies the mapping of placement groups to
	 * the list of osds that store+replicate them. */
	struct crush_map *crush;

	struct mutex crush_workspace_mutex;
	void *crush_workspace;
};

static inline bool ceph_osd_exists(struct ceph_osdmap *map, int osd)
{
	return osd >= 0 && osd < map->max_osd &&
	       (map->osd_state[osd] & CEPH_OSD_EXISTS);
}

static inline bool ceph_osd_is_up(struct ceph_osdmap *map, int osd)
{
	return ceph_osd_exists(map, osd) &&
	       (map->osd_state[osd] & CEPH_OSD_UP);
}

static inline bool ceph_osd_is_down(struct ceph_osdmap *map, int osd)
{
	return !ceph_osd_is_up(map, osd);
}

char *ceph_osdmap_state_str(char *str, int len, u32 state);
extern u32 ceph_get_primary_affinity(struct ceph_osdmap *map, int osd);

static inline struct ceph_entity_addr *ceph_osd_addr(struct ceph_osdmap *map,
						     int osd)
{
	if (osd >= map->max_osd)
		return NULL;
	return &map->osd_addr[osd];
}

#define CEPH_PGID_ENCODING_LEN		(1 + 8 + 4 + 4)

static inline int ceph_decode_pgid(void **p, void *end, struct ceph_pg *pgid)
{
	__u8 version;

	if (!ceph_has_room(p, end, CEPH_PGID_ENCODING_LEN)) {
		pr_warn("incomplete pg encoding\n");
		return -EINVAL;
	}
	version = ceph_decode_8(p);
	if (version > 1) {
		pr_warn("do not understand pg encoding %d > 1\n",
			(int)version);
		return -EINVAL;
	}

	pgid->pool = ceph_decode_64(p);
	pgid->seed = ceph_decode_32(p);
	*p += 4;	/* skip deprecated preferred value */

	return 0;
}

struct ceph_osdmap *ceph_osdmap_alloc(void);
extern struct ceph_osdmap *ceph_osdmap_decode(void **p, void *end);
struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
					     struct ceph_osdmap *map);
extern void ceph_osdmap_destroy(struct ceph_osdmap *map);

struct ceph_osds {
	int osds[CEPH_PG_MAX_SIZE];
	int size;
	int primary; /* id, NOT index */
};

static inline void ceph_osds_init(struct ceph_osds *set)
{
	set->size = 0;
	set->primary = -1;
}

void ceph_osds_copy(struct ceph_osds *dest, const struct ceph_osds *src);

bool ceph_pg_is_split(const struct ceph_pg *pgid, u32 old_pg_num,
		      u32 new_pg_num);
bool ceph_is_new_interval(const struct ceph_osds *old_acting,
			  const struct ceph_osds *new_acting,
			  const struct ceph_osds *old_up,
			  const struct ceph_osds *new_up,
			  int old_size,
			  int new_size,
			  int old_min_size,
			  int new_min_size,
			  u32 old_pg_num,
			  u32 new_pg_num,
			  bool old_sort_bitwise,
			  bool new_sort_bitwise,
			  bool old_recovery_deletes,
			  bool new_recovery_deletes,
			  const struct ceph_pg *pgid);
bool ceph_osds_changed(const struct ceph_osds *old_acting,
		       const struct ceph_osds *new_acting,
		       bool any_change);

/* calculate mapping of a file extent to an object */
extern int ceph_calc_file_object_mapping(struct ceph_file_layout *layout,
					 u64 off, u64 len,
					 u64 *bno, u64 *oxoff, u64 *oxlen);

int __ceph_object_locator_to_pg(struct ceph_pg_pool_info *pi,
				const struct ceph_object_id *oid,
				const struct ceph_object_locator *oloc,
				struct ceph_pg *raw_pgid);
int ceph_object_locator_to_pg(struct ceph_osdmap *osdmap,
			      const struct ceph_object_id *oid,
			      const struct ceph_object_locator *oloc,
			      struct ceph_pg *raw_pgid);

void ceph_pg_to_up_acting_osds(struct ceph_osdmap *osdmap,
			       struct ceph_pg_pool_info *pi,
			       const struct ceph_pg *raw_pgid,
			       struct ceph_osds *up,
			       struct ceph_osds *acting);
bool ceph_pg_to_primary_shard(struct ceph_osdmap *osdmap,
			      struct ceph_pg_pool_info *pi,
			      const struct ceph_pg *raw_pgid,
			      struct ceph_spg *spgid);
int ceph_pg_to_acting_primary(struct ceph_osdmap *osdmap,
			      const struct ceph_pg *raw_pgid);

extern struct ceph_pg_pool_info *ceph_pg_pool_by_id(struct ceph_osdmap *map,
						    u64 id);

extern const char *ceph_pg_pool_name_by_id(struct ceph_osdmap *map, u64 id);
extern int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name);

#endif
Commit	Line	Data
f24e9980 SW	1	#ifndef _FS_CEPH_OSDMAP_H
	2	#define _FS_CEPH_OSDMAP_H
	3
	4	#include <linux/rbtree.h>
a1ce3928	5	#include <linux/ceph/types.h>
ef4859d6	6	#include <linux/ceph/decode.h>
a1ce3928	7	#include <linux/ceph/ceph_fs.h>
3d14c5d2	8	#include <linux/crush/crush.h>
f24e9980 SW	9
	10	/*
	11	* The osd map describes the current membership of the osd cluster and
	12	* specifies the mapping of objects to placement groups and placement
	13	* groups to (sets of) osds. That is, it completely specifies the
	14	* (desired) distribution of all data objects in the system at some
	15	* point in time.
	16	*
	17	* Each map version is identified by an epoch, which increases monotonically.
	18	*
	19	* The map can be updated either via an incremental map (diff) describing
	20	* the change between two successive epochs, or as a fully encoded map.
	21	*/
5b191d99 SW	22	struct ceph_pg {
	23	uint64_t pool;
	24	uint32_t seed;
	25	};
	26
dc98ff72 ID	27	#define CEPH_SPG_NOSHARD -1
	28
	29	struct ceph_spg {
	30	struct ceph_pg pgid;
	31	s8 shard;
	32	};
	33
f984cb76	34	int ceph_pg_compare(const struct ceph_pg lhs, const struct ceph_pg rhs);
a02a946d	35	int ceph_spg_compare(const struct ceph_spg lhs, const struct ceph_spg rhs);
f984cb76	36
04812acf ID	37	#define CEPH_POOL_FLAG_HASHPSPOOL (1ULL << 0) /* hash pg seed and pool id
04812acf ID	38	together */
63244fa1	39	#define CEPH_POOL_FLAG_FULL (1ULL << 1) /* pool is full */
83ca14fd	40
f24e9980	41	struct ceph_pg_pool_info {
4fc51be8	42	struct rb_node node;
4f6a7e5e	43	s64 id;
04812acf	44	u8 type; /* CEPH_POOL_TYPE_* */
4f6a7e5e	45	u8 size;
04812acf	46	u8 min_size;
4f6a7e5e SW	47	u8 crush_ruleset;
4f6a7e5e SW	48	u8 object_hash;
04812acf	49	u32 last_force_request_resend;
4f6a7e5e SW	50	u32 pg_num, pgp_num;
4f6a7e5e SW	51	int pg_num_mask, pgp_num_mask;
17a13e40 ID	52	s64 read_tier;
17a13e40 ID	53	s64 write_tier; /* wins for read+write ops */
04812acf	54	u64 flags; /* CEPH_POOL_FLAG_* */
2844a76a	55	char *name;
42c1b124 ID	56
42c1b124 ID	57	bool was_full; /* for handle_one_map() */
f24e9980 SW	58	};
f24e9980 SW	59
2abebdbc ID	60	static inline bool ceph_can_shift_osds(struct ceph_pg_pool_info *pool)
	61	{
	62	switch (pool->type) {
	63	case CEPH_POOL_TYPE_REP:
	64	return true;
	65	case CEPH_POOL_TYPE_EC:
	66	return false;
	67	default:
d24cdcd3	68	BUG();
2abebdbc ID	69	}
	70	}
	71
4f6a7e5e	72	struct ceph_object_locator {
22116525	73	s64 pool;
30c156d9	74	struct ceph_string *pool_ns;
4f6a7e5e SW	75	};
4f6a7e5e SW	76
63244fa1 ID	77	static inline void ceph_oloc_init(struct ceph_object_locator *oloc)
	78	{
	79	oloc->pool = -1;
30c156d9	80	oloc->pool_ns = NULL;
63244fa1 ID	81	}
	82
	83	static inline bool ceph_oloc_empty(const struct ceph_object_locator *oloc)
	84	{
	85	return oloc->pool == -1;
	86	}
	87
30c156d9 YZ	88	void ceph_oloc_copy(struct ceph_object_locator *dest,
	89	const struct ceph_object_locator *src);
	90	void ceph_oloc_destroy(struct ceph_object_locator *oloc);
63244fa1	91
d30291b9 ID	92	/*
	93	* 51-char inline_name is long enough for all cephfs and all but one
	94	* rbd requests: <imgname> in "<imgname>.rbd"/"rbd_id.<imgname>" can be
	95	* arbitrarily long (~PAGE_SIZE). It's done once during rbd map; all
	96	* other rbd requests fit into inline_name.
	97	*
	98	* Makes ceph_object_id 64 bytes on 64-bit.
	99	*/
	100	#define CEPH_OID_INLINE_LEN 52
	101
	102	/*
	103	* Both inline and external buffers have space for a NUL-terminator,
	104	* which is carried around. It's not required though - RADOS object
	105	* names don't have to be NUL-terminated and may contain NULs.
	106	*/
4295f221	107	struct ceph_object_id {
d30291b9 ID	108	char *name;
d30291b9 ID	109	char inline_name[CEPH_OID_INLINE_LEN];
4295f221 ID	110	int name_len;
	111	};
	112
d30291b9 ID	113	static inline void ceph_oid_init(struct ceph_object_id *oid)
	114	{
	115	oid->name = oid->inline_name;
	116	oid->name_len = 0;
	117	}
	118
281dbe5d ID	119	#define CEPH_OID_INIT_ONSTACK(oid) \
	120	({ ceph_oid_init(&oid); oid; })
	121	#define CEPH_DEFINE_OID_ONSTACK(oid) \
	122	struct ceph_object_id oid = CEPH_OID_INIT_ONSTACK(oid)
	123
d30291b9 ID	124	static inline bool ceph_oid_empty(const struct ceph_object_id *oid)
	125	{
	126	return oid->name == oid->inline_name && !oid->name_len;
	127	}
	128
	129	void ceph_oid_copy(struct ceph_object_id *dest,
	130	const struct ceph_object_id *src);
	131	__printf(2, 3)
	132	void ceph_oid_printf(struct ceph_object_id oid, const char fmt, ...);
	133	__printf(3, 4)
	134	int ceph_oid_aprintf(struct ceph_object_id *oid, gfp_t gfp,
	135	const char *fmt, ...);
	136	void ceph_oid_destroy(struct ceph_object_id *oid);
	137
f24e9980 SW	138	struct ceph_pg_mapping {
f24e9980 SW	139	struct rb_node node;
5b191d99	140	struct ceph_pg pgid;
35a935d7 ID	141
	142	union {
	143	struct {
	144	int len;
	145	int osds[];
6f428df4	146	} pg_temp, pg_upmap;
9686f94c ID	147	struct {
	148	int osd;
	149	} primary_temp;
6f428df4 ID	150	struct {
	151	int len;
	152	int from_to[][2];
	153	} pg_upmap_items;
35a935d7	154	};
f24e9980 SW	155	};
	156
	157	struct ceph_osdmap {
	158	struct ceph_fsid fsid;
	159	u32 epoch;
f24e9980 SW	160	struct ceph_timespec created, modified;
	161
	162	u32 flags; /* CEPH_OSDMAP_* */
	163
	164	u32 max_osd; /* size of osd_state, _offload, _addr arrays */
0bb05da2	165	u32 osd_state; / CEPH_OSD_* */
f24e9980 SW	166	u32 osd_weight; / 0 = failed, 0x10000 = 100% normal */
	167	struct ceph_entity_addr *osd_addr;
	168
	169	struct rb_root pg_temp;
9686f94c ID	170	struct rb_root primary_temp;
9686f94c ID	171
6f428df4 ID	172	/* remap (post-CRUSH, pre-up) */
	173	struct rb_root pg_upmap; /* PG := raw set */
	174	struct rb_root pg_upmap_items; /* from -> to within raw set */
	175
2cfa34f2 ID	176	u32 *osd_primary_affinity;
2cfa34f2 ID	177
4fc51be8 SW	178	struct rb_root pg_pools;
4fc51be8 SW	179	u32 pool_max;
f24e9980 SW	180
	181	/* the CRUSH map specifies the mapping of placement groups to
	182	* the list of osds that store+replicate them. */
	183	struct crush_map *crush;
9d521470	184
743efcff	185	struct mutex crush_workspace_mutex;
66a0e2d5	186	void *crush_workspace;
f24e9980 SW	187	};
f24e9980 SW	188
3b33f692	189	static inline bool ceph_osd_exists(struct ceph_osdmap *map, int osd)
246138fa ID	190	{
	191	return osd >= 0 && osd < map->max_osd &&
	192	(map->osd_state[osd] & CEPH_OSD_EXISTS);
	193	}
	194
3b33f692	195	static inline bool ceph_osd_is_up(struct ceph_osdmap *map, int osd)
f24e9980	196	{
246138fa ID	197	return ceph_osd_exists(map, osd) &&
	198	(map->osd_state[osd] & CEPH_OSD_UP);
	199	}
	200
3b33f692	201	static inline bool ceph_osd_is_down(struct ceph_osdmap *map, int osd)
246138fa ID	202	{
246138fa ID	203	return !ceph_osd_is_up(map, osd);
f24e9980 SW	204	}
f24e9980 SW	205
0bb05da2	206	char ceph_osdmap_state_str(char str, int len, u32 state);
2cfa34f2	207	extern u32 ceph_get_primary_affinity(struct ceph_osdmap *map, int osd);
f24e9980 SW	208
	209	static inline struct ceph_entity_addr ceph_osd_addr(struct ceph_osdmap map,
	210	int osd)
	211	{
	212	if (osd >= map->max_osd)
	213	return NULL;
	214	return &map->osd_addr[osd];
	215	}
	216
8cb441c0 ID	217	#define CEPH_PGID_ENCODING_LEN (1 + 8 + 4 + 4)
8cb441c0 ID	218
ef4859d6 AE	219	static inline int ceph_decode_pgid(void *p, void end, struct ceph_pg *pgid)
	220	{
	221	__u8 version;
	222
8cb441c0	223	if (!ceph_has_room(p, end, CEPH_PGID_ENCODING_LEN)) {
3ef650d3	224	pr_warn("incomplete pg encoding\n");
ef4859d6 AE	225	return -EINVAL;
	226	}
	227	version = ceph_decode_8(p);
	228	if (version > 1) {
3ef650d3	229	pr_warn("do not understand pg encoding %d > 1\n",
ef4859d6 AE	230	(int)version);
	231	return -EINVAL;
	232	}
	233
	234	pgid->pool = ceph_decode_64(p);
	235	pgid->seed = ceph_decode_32(p);
	236	p += 4; / skip deprecated preferred value */
	237
	238	return 0;
	239	}
	240
e5253a7b	241	struct ceph_osdmap *ceph_osdmap_alloc(void);
a2505d63	242	extern struct ceph_osdmap ceph_osdmap_decode(void p, void end);
0c0a8de1 ID	243	struct ceph_osdmap osdmap_apply_incremental(void p, void end,
0c0a8de1 ID	244	struct ceph_osdmap *map);
f24e9980 SW	245	extern void ceph_osdmap_destroy(struct ceph_osdmap *map);
f24e9980 SW	246
6f3bfd45 ID	247	struct ceph_osds {
	248	int osds[CEPH_PG_MAX_SIZE];
	249	int size;
	250	int primary; /* id, NOT index */
	251	};
	252
	253	static inline void ceph_osds_init(struct ceph_osds *set)
	254	{
	255	set->size = 0;
	256	set->primary = -1;
	257	}
	258
	259	void ceph_osds_copy(struct ceph_osds dest, const struct ceph_osds src);
	260
7de030d6 ID	261	bool ceph_pg_is_split(const struct ceph_pg *pgid, u32 old_pg_num,
7de030d6 ID	262	u32 new_pg_num);
63244fa1 ID	263	bool ceph_is_new_interval(const struct ceph_osds *old_acting,
	264	const struct ceph_osds *new_acting,
	265	const struct ceph_osds *old_up,
	266	const struct ceph_osds *new_up,
	267	int old_size,
	268	int new_size,
	269	int old_min_size,
	270	int new_min_size,
	271	u32 old_pg_num,
	272	u32 new_pg_num,
	273	bool old_sort_bitwise,
	274	bool new_sort_bitwise,
ae78dd81 ID	275	bool old_recovery_deletes,
ae78dd81 ID	276	bool new_recovery_deletes,
63244fa1 ID	277	const struct ceph_pg *pgid);
	278	bool ceph_osds_changed(const struct ceph_osds *old_acting,
	279	const struct ceph_osds *new_acting,
	280	bool any_change);
	281
f24e9980	282	/* calculate mapping of a file extent to an object */
d63b77f4	283	extern int ceph_calc_file_object_mapping(struct ceph_file_layout *layout,
e8afad65	284	u64 off, u64 len,
d63b77f4	285	u64 bno, u64 oxoff, u64 *oxlen);
f24e9980	286
df28152d ID	287	int __ceph_object_locator_to_pg(struct ceph_pg_pool_info *pi,
	288	const struct ceph_object_id *oid,
	289	const struct ceph_object_locator *oloc,
	290	struct ceph_pg *raw_pgid);
d9591f5e	291	int ceph_object_locator_to_pg(struct ceph_osdmap *osdmap,
df28152d ID	292	const struct ceph_object_id *oid,
df28152d ID	293	const struct ceph_object_locator *oloc,
d9591f5e	294	struct ceph_pg *raw_pgid);
7c13cb64	295
6f3bfd45	296	void ceph_pg_to_up_acting_osds(struct ceph_osdmap *osdmap,
df28152d	297	struct ceph_pg_pool_info *pi,
6f3bfd45 ID	298	const struct ceph_pg *raw_pgid,
	299	struct ceph_osds *up,
	300	struct ceph_osds *acting);
dc98ff72	301	bool ceph_pg_to_primary_shard(struct ceph_osdmap *osdmap,
df28152d	302	struct ceph_pg_pool_info *pi,
dc98ff72 ID	303	const struct ceph_pg *raw_pgid,
dc98ff72 ID	304	struct ceph_spg *spgid);
f81f1633 ID	305	int ceph_pg_to_acting_primary(struct ceph_osdmap *osdmap,
f81f1633 ID	306	const struct ceph_pg *raw_pgid);
f24e9980	307
ce7f6a27 ID	308	extern struct ceph_pg_pool_info ceph_pg_pool_by_id(struct ceph_osdmap map,
	309	u64 id);
	310
72afc71f	311	extern const char ceph_pg_pool_name_by_id(struct ceph_osdmap map, u64 id);
7669a2c9 YS	312	extern int ceph_pg_poolid_by_name(struct ceph_osdmap map, const char name);
7669a2c9 YS	313
f24e9980	314	#endif