Dump pg_temp mappings to /sys/kernel/debug/ceph/<client>/osdmap,
one 'pg_temp <pgid> [<osd>, ..., <osd>]' per line, e.g:
pg_temp 2.6 [2,3,4]
Signed-off-by: Ilya Dryomov <ilya.dryo...@inktank.com>
---
net/ceph/debugfs.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/net/ceph/debugfs.c b/net/ceph/debugfs.c
index 112d98edb156..c45d235e774e 100644
--- a/net/ceph/debugfs.c
+++ b/net/ceph/debugfs.c
@@ -82,6 +82,17 @@ static int osdmap_show(struct seq_file *s, void *p)
((map->osd_weight[i]*100) >> 16),
ceph_osdmap_state_str(sb, sizeof(sb), state));
}
+ for (n = rb_first(&map->pg_temp); n; n = rb_next(n)) {
+ struct ceph_pg_mapping *pg =
+ rb_entry(n, struct ceph_pg_mapping, node);
+
+ seq_printf(s, "pg_temp %llu.%x [", pg->pgid.pool,
+ pg->pgid.seed);
+ for (i = 0; i < pg->len; i++)
+ seq_printf(s, "%s%d", (i == 0 ? "" : ","),
+ pg->osds[i]);
+ seq_printf(s, "]\n");
+ }
return 0;
}
--
1.7.10.4
--
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