Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux...

[pandora-kernel.git] / fs / ceph / osdmap.c

diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c
index 2e2c15e..cfdd8f4 100644 (file)
--- a/fs/ceph/osdmap.c
+++ b/fs/ceph/osdmap.c
@@ -1040,13 +1040,34 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
        return osds;
 }
 
+/*
+ * Return acting set for given pgid.
+ */
+int ceph_calc_pg_acting(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
+                       int *acting)
+{
+       int rawosds[CEPH_PG_MAX_SIZE], *osds;
+       int i, o, num = CEPH_PG_MAX_SIZE;
+
+       osds = calc_pg_raw(osdmap, pgid, rawosds, &num);
+       if (!osds)
+               return -1;
+
+       /* primary is first up osd */
+       o = 0;
+       for (i = 0; i < num; i++)
+               if (ceph_osd_is_up(osdmap, osds[i]))
+                       acting[o++] = osds[i];
+       return o;
+}
+
 /*
  * Return primary osd for given pgid, or -1 if none.
  */
 int ceph_calc_pg_primary(struct ceph_osdmap *osdmap, struct ceph_pg pgid)
 {
-       int rawosds[10], *osds;
-       int i, num = ARRAY_SIZE(rawosds);
+       int rawosds[CEPH_PG_MAX_SIZE], *osds;
+       int i, num = CEPH_PG_MAX_SIZE;
 
        osds = calc_pg_raw(osdmap, pgid, rawosds, &num);
        if (!osds)
@@ -1054,9 +1075,7 @@ int ceph_calc_pg_primary(struct ceph_osdmap *osdmap, struct ceph_pg pgid)
 
        /* primary is first up osd */
        for (i = 0; i < num; i++)
-               if (ceph_osd_is_up(osdmap, osds[i])) {
+               if (ceph_osd_is_up(osdmap, osds[i]))
                        return osds[i];
-                       break;
-               }
        return -1;
 }