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author | Alex Elder <elder@inktank.com> | 2012-10-30 19:40:33 -0500 |
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committer | Alex Elder <elder@inktank.com> | 2012-11-01 07:55:42 -0500 |
commit | 72afc71ffca0f444ee0e1ef8c7e34ab209bb48b3 (patch) | |
tree | c9849491d6f31db1ef1be5a8f7fe186c108830aa /net/ceph | |
parent | 86b00e0da6be7bbc16412f126c5b548ac5d91d50 (diff) | |
download | linux-3.10-72afc71ffca0f444ee0e1ef8c7e34ab209bb48b3.tar.gz linux-3.10-72afc71ffca0f444ee0e1ef8c7e34ab209bb48b3.tar.bz2 linux-3.10-72afc71ffca0f444ee0e1ef8c7e34ab209bb48b3.zip |
libceph: define ceph_pg_pool_name_by_id()
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>
Diffstat (limited to 'net/ceph')
-rw-r--r-- | net/ceph/osdmap.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index f552aa48fd9..de73214b5d2 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -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; |