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author | Ilya Dryomov <idryomov@gmail.com> | 2017-06-05 15:45:00 +0300 |
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committer | Ilya Dryomov <idryomov@gmail.com> | 2017-07-07 18:25:15 +0300 |
commit | 8e48cf00c48fdefb01f70db81f31438cd0c29dcc (patch) | |
tree | f86e307138192f1b52d72adc2fc8e67f7fd6d928 /net/ceph | |
parent | dc93e0e2831de2f80817b89aae4864b88332fcce (diff) | |
download | linux-8e48cf00c48fdefb01f70db81f31438cd0c29dcc.tar.xz |
libceph: new pi->last_force_request_resend
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>
Diffstat (limited to 'net/ceph')
-rw-r--r-- | net/ceph/osdmap.c | 37 |
1 files changed, 37 insertions, 0 deletions
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; |