osd/PrimaryLogPG: dump snap_trimq size

One can just parse the snap_trimq string, but that's much more
expensive than just reading an unsigned int.

Signed-off-by: Piotr Dałek <piotr.dalek@corp.ovh.com>
(cherry picked from commit dc7781cf17d11cb09067656cb25c0d710ab60d71)

diff --git a/src/osd/PrimaryLogPG.cc b/src/osd/PrimaryLogPG.cc
index e98f2b7c75531053dde631ea094d70281fa67554..00423267f845a9a4c1cb39cbf3cac602d9518e95 100644 (file)
--- a/src/osd/PrimaryLogPG.cc
+++ b/src/osd/PrimaryLogPG.cc
@@ -940,6 +940,7 @@ int PrimaryLogPG::do_command(
     f->open_object_section("pg");
     f->dump_string("state", pg_state_string(get_state()));
     f->dump_stream("snap_trimq") << snap_trimq;
+    f->dump_unsigned("snap_trimq_len", snap_trimq.size());
     f->dump_unsigned("epoch", get_osdmap()->get_epoch());
     f->open_array_section("up");
     for (vector<int>::iterator p = up.begin(); p != up.end(); ++p)