redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

libceph: define ceph_pg_pool_name_by_id()

Browse source 
Define and export function ceph_pg_pool_name_by_id() to supply
the name of a pg pool whose id is given.  This will be used by
the next patch.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This commit is contained in:
Alex Elder 2012-10-30 19:40:33 -05:00
parent 86b00e0da6
commit 72afc71ffc
2 changed files with 17 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
include/linux/ceph/osdmap.h
View file

@ -123,6 +123,7 @@ extern int ceph_calc_pg_acting(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap,
struct ceph_pg pgid);
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

16
net/ceph/osdmap.c
View file

@ -469,6 +469,22 @@ static struct ceph_pg_pool_info *__lookup_pg_pool(struct rb_root *root, int id)
return NULL;
}
const char *ceph_pg_pool_name_by_id(struct ceph_osdmap *map, u64 id)
{
struct ceph_pg_pool_info *pi;
if (id == CEPH_NOPOOL)
return NULL;
if (WARN_ON_ONCE(id > (u64) INT_MAX))
return NULL;
pi = __lookup_pg_pool(&map->pg_pools, (int) id);
return pi ? pi->name : NULL;
}
EXPORT_SYMBOL(ceph_pg_pool_name_by_id);
int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name)
{
struct rb_node *rbp;