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| author |   Ilya Dryomov <idryomov@gmail.com> | 2020-10-30 13:30:51 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-12-14 23:21:50 +0100 |
| commit | a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c (patch) | |
| tree | 2379298419dcbfaddef2d7bbd1cba86ba68c8bd4 /drivers/block/rbd.c | |
| parent | libceph: factor out finish_auth() (diff) | |
| download | linux-dev-a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c.tar.xz linux-dev-a5cbd5fc22d5043a8a76e15d75d031fe24d1f69c.zip | |
libceph, ceph: get and handle cluster maps with addrvecs
In preparation for msgr2, make the cluster send us maps with addrvecs
including both LEGACY and MSGR2 addrs instead of a single LEGACY addr.
This means advertising support for SERVER_NAUTILUS and also some older
features: SERVER_MIMIC, MONENC and MONNAMES.
MONNAMES and MONENC are actually pre-argonaut, we just never updated
ceph_monmap_decode() for them. Decoding is unconditional, see commit
23c625ce3065 ("libceph: assume argonaut on the server side").
SERVER_MIMIC doesn't bear any meaning for the kernel client.
Since ceph_decode_entity_addrvec() is guarded by encoding version
checks (and in msgr2 case it is guarded implicitly by the fact that
server is speaking msgr2), we assume MSG_ADDR2 for it.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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