Commit 7669a2c9 authored by Yehuda Sadeh's avatar Yehuda Sadeh Committed by Sage Weil
Browse files

ceph: lookup pool in osdmap by name 



Implement a pool lookup by name.  This will be used by rbd.

Signed-off-by: default avatarYehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent cd07202c

fs/ceph/osdmap.c

+13 −0
Original line number Diff line number Diff line
@@ -417,6 +417,19 @@ static struct ceph_pg_pool_info *__lookup_pg_pool(struct rb_root *root, int id) 
	return NULL;

}



int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name)

{

	struct rb_node *rbp;



	for (rbp = rb_first(&map->pg_pools); rbp; rbp = rb_next(rbp)) {

		struct ceph_pg_pool_info *pi =

			rb_entry(rbp, struct ceph_pg_pool_info, node);

		if (pi->name && strcmp(pi->name, name) == 0)

			return pi->id;

	}

	return -ENOENT;

}



static void __remove_pg_pool(struct rb_root *root, struct ceph_pg_pool_info *pi)

{

	rb_erase(&pi->node, root);

fs/ceph/osdmap.h

+2 −0
Original line number Diff line number Diff line
@@ -125,4 +125,6 @@ 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 int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name);



#endif