From: Ilya Dryomov <idryomov@gmail.com>
Date: Mon, 5 Jun 2017 14:45:00 +0200
Subject: libceph: new pi->last_force_request_resend
Git-commit: 8e48cf00c48fdefb01f70db81f31438cd0c29dcc
Patch-mainline: v4.13-rc1
References: FATE#324714
The old (v15) pi->last_force_request_resend has been repurposed to
make pre-RESEND_ON_SPLIT clients that don't check for PG splits but do
obey pi->last_force_request_resend resend on splits. See ceph.git
commit 189ca7ec6420 ("mon/OSDMonitor: make pre-luminous clients resend
ops on split").
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
net/ceph/osdmap.c | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index bf2fcc837e36..710ee3dc01b9 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -682,11 +682,48 @@ static int decode_pool(void **p, void *end, struct ceph_pg_pool_info *pi)
*p += len;
}
+ /*
+ * last_force_op_resend_preluminous, will be overridden if the
+ * map was encoded with RESEND_ON_SPLIT
+ */
if (ev >= 15)
pi->last_force_request_resend = ceph_decode_32(p);
else
pi->last_force_request_resend = 0;
+ if (ev >= 16)
+ *p += 4; /* skip min_read_recency_for_promote */
+
+ if (ev >= 17)
+ *p += 8; /* skip expected_num_objects */
+
+ if (ev >= 19)
+ *p += 4; /* skip cache_target_dirty_high_ratio_micro */
+
+ if (ev >= 20)
+ *p += 4; /* skip min_write_recency_for_promote */
+
+ if (ev >= 21)
+ *p += 1; /* skip use_gmt_hitset */
+
+ if (ev >= 22)
+ *p += 1; /* skip fast_read */
+
+ if (ev >= 23) {
+ *p += 4; /* skip hit_set_grade_decay_rate */
+ *p += 4; /* skip hit_set_search_last_n */
+ }
+
+ if (ev >= 24) {
+ /* skip opts */
+ *p += 1 + 1; /* versions */
+ len = ceph_decode_32(p);
+ *p += len;
+ }
+
+ if (ev >= 25)
+ pi->last_force_request_resend = ceph_decode_32(p);
+
/* ignore the rest */
*p = pool_end;