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    Subject[PATCH 1/8] ceph-rbd: lookup pool in osdmap by name
    Date
    From: Yehuda Sadeh <yehuda@hq.newdream.net>

    Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
    Signed-off-by: Sage Weil <sage@newdream.net>
    ---
    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 e31f118..3ccd117 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
    --
    1.7.0


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