From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yehuda Sadeh Subject: [PATCH v3 01/10] ceph-rbd: lookup pool in osdmap by name Date: Wed, 7 Jul 2010 15:11:23 -0700 Message-ID: <9e565a8e094a7a59730adcece64d1b4a12adf39f.1278539315.git.yehuda@hq.newdream.net> References: Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: ceph-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, sage@newdream.net, Yehuda Sadeh List-Id: ceph-devel.vger.kernel.org Signed-off-by: Yehuda Sadeh Signed-off-by: Sage Weil --- fs/ceph/osdmap.c | 13 +++++++++++++ fs/ceph/osdmap.h | 2 ++ 2 files changed, 15 insertions(+), 0 deletions(-) diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c index ddc656f..11aac1c 100644 --- a/fs/ceph/osdmap.c +++ b/fs/ceph/osdmap.c @@ -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); diff --git a/fs/ceph/osdmap.h b/fs/ceph/osdmap.h index 970b547..a592b21 100644 --- a/fs/ceph/osdmap.h +++ b/fs/ceph/osdmap.h @@ -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 -- 1.5.6.5