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| author | Yehuda Sadeh <yehuda@hq.newdream.net> | 2010-05-17 23:31:35 +0400 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-10-21 02:35:36 +0400 |
| commit | 7669a2c95e502a77f93f27e5449fc93a00d588b6 (patch) | |
| tree | 4230c625bf5781d1cb3cf6b1e38b2d0ef103234c | |
| parent | cd07202cc8262e1669edff0d97715f3dd9260917 (diff) | |
| download | linux-7669a2c95e502a77f93f27e5449fc93a00d588b6.tar.xz | |
ceph: lookup pool in osdmap by name
Implement a pool lookup by name. This will be used by rbd.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
| -rw-r--r-- | fs/ceph/osdmap.c | 13 | ||||
| -rw-r--r-- | 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 e31f118f1392..3ccd11761cb6 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 970b547e510d..a592b211be39 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 |