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libceph: add ceph_pg_pool_by_id()

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"Lookup pool info by ID" function is hidden in osdmap.c.  Expose it to
the rest of libceph.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Ilya Dryomov 2014-01-27 17:40:19 +02:00
parent 1b3f2ab510
commit ce7f6a2790
2 changed files with 8 additions and 0 deletions
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3
include/linux/ceph/osdmap.h
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@ -174,6 +174,9 @@ extern int ceph_calc_pg_acting(struct ceph_osdmap *osdmap,
extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap,
struct ceph_pg 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);

5
net/ceph/osdmap.c
View File

@ -464,6 +464,11 @@ static struct ceph_pg_pool_info *__lookup_pg_pool(struct rb_root *root, u64 id)
return NULL;
}
struct ceph_pg_pool_info *ceph_pg_pool_by_id(struct ceph_osdmap *map, u64 id)
{
return __lookup_pg_pool(&map->pg_pools, id);
}
const char *ceph_pg_pool_name_by_id(struct ceph_osdmap *map, u64 id)
{
struct ceph_pg_pool_info *pi;