libceph: make sure need_resend targets reflect latest map

Otherwise we may miss events like PG splits, pool deletions, etc when
we get multiple incremental maps at once.  Because check_pool_dne() can
now be fed an unlinked request, finish_request() needed to be taught to
handle unlinked requests.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index bca2718ac253..62c672bcbb31 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -149,6 +149,7 @@ struct ceph_osd_request_target {
         unsigned int flags;                /* CEPH_OSD_FLAG_* */
         bool paused;
 
+        u32 epoch;
         u32 last_force_resend;
 
         int osd;