From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Durgin Subject: Re: [PATCH 4/6] libceph: define ceph_pg_pool_name_by_id() Date: Wed, 31 Oct 2012 18:34:44 -0700 Message-ID: <5091D1B4.3010704@inktank.com> References: <509081C4.3050402@inktank.com> <509083AF.1000000@inktank.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pb0-f46.google.com ([209.85.160.46]:32958 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755002Ab2KABe4 (ORCPT ); Wed, 31 Oct 2012 21:34:56 -0400 Received: by mail-pb0-f46.google.com with SMTP id rr4so1372947pbb.19 for ; Wed, 31 Oct 2012 18:34:56 -0700 (PDT) In-Reply-To: <509083AF.1000000@inktank.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Alex Elder Cc: ceph-devel Reviewed-by: Josh Durgin On 10/30/2012 06:49 PM, Alex Elder wrote: > 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 > --- > include/linux/ceph/osdmap.h | 1 + > net/ceph/osdmap.c | 16 ++++++++++++++++ > 2 files changed, 17 insertions(+) > > diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h > index e88a620..5ea57ba 100644 > --- a/include/linux/ceph/osdmap.h > +++ b/include/linux/ceph/osdmap.h > @@ -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 > diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c > index f552aa4..de73214 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; >