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| author | Ilya Dryomov <idryomov@gmail.com> | 2018-04-23 15:25:10 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2018-04-24 10:39:52 +0200 |
| commit | facb9f6eba3df4e8027301cc0e514dc582a1b366 (patch) | |
| tree | 4ce7511344ce163230077874f505941966e42b16 /net | |
| parent | f1919826896c82b6af9c46f69e02f2bc04df4be7 (diff) | |
| download | lwn-facb9f6eba3df4e8027301cc0e514dc582a1b366.tar.gz lwn-facb9f6eba3df4e8027301cc0e514dc582a1b366.zip | |
libceph: un-backoff on tick when we have a authenticated session
This means that if we do some backoff, then authenticate, and are
healthy for an extended period of time, a subsequent failure won't
leave us starting our hunting sequence with a large backoff.
Mirrors ceph.git commit d466bc6e66abba9b464b0b69687cf45c9dccf383.
Cc: stable@vger.kernel.org # 4.7+
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ceph/mon_client.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index b3dac24412d3..02c441c12c38 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -209,6 +209,14 @@ static void reopen_session(struct ceph_mon_client *monc) __open_session(monc); } +static void un_backoff(struct ceph_mon_client *monc) +{ + monc->hunt_mult /= 2; /* reduce by 50% */ + if (monc->hunt_mult < 1) + monc->hunt_mult = 1; + dout("%s hunt_mult now %d\n", __func__, monc->hunt_mult); +} + /* * Reschedule delayed work timer. */ @@ -963,6 +971,7 @@ static void delayed_work(struct work_struct *work) if (!monc->hunting) { ceph_con_keepalive(&monc->con); __validate_auth(monc); + un_backoff(monc); } if (is_auth && @@ -1123,9 +1132,7 @@ static void finish_hunting(struct ceph_mon_client *monc) dout("%s found mon%d\n", __func__, monc->cur_mon); monc->hunting = false; monc->had_a_connection = true; - monc->hunt_mult /= 2; /* reduce by 50% */ - if (monc->hunt_mult < 1) - monc->hunt_mult = 1; + un_backoff(monc); } } |