[SRU] accept undecodable multi-block bluefs transactions on log

[gerald.yang]

[Impact]
Multi-block transaction could fail during unexpected power down
in this case, it should be stop replaying this log instead of throwing unrecoverable error

[Test Case]
It's too difficult to simulate power outage during multi-block transaction on disk, so the way I test this patch is to simulate a multi-block transaction and trigger a decode error in
try {
      auto p = bl.cbegin();
      decode(t, p);
      seen_recs = true;
    }

Add the following line right after decode(t, p) to throw an error
throw buffer::malformed_input("error test");

According to the patch description https://github.com/ceph/ceph/pull/42830
this error will be considered as a normal bluefs log reply stop condition and will *not* prevent OSD from starting
After the error test is triggered, OSD can still be started normally

[Where problems could occur]
This upstream PR was created 2 months ago and Luminous was EOL upstream for a while, so no backport and test by upstream
In order to backport this commit, it also needs to backport some dependencies

[Other Info]
upstream tracker: https://tracker.ceph.com/issues/52079
PR: https://github.com/ceph/ceph/pull/42830

[gerald.yang (gerald-yang-tw)]

first patch

[gerald.yang (gerald-yang-tw)]

second patch

[gerald.yang (gerald-yang-tw)]

This PR https://github.com/ceph/ceph/pull/42830 need an additional dependency (bionic1.patch)

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "bionic1.patch" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

[gerald.yang (gerald-yang-tw)]

Update test case

It's too difficult to simulate power outage during multi-block transaction on disk, so the way I test this patch is to simulate a multi-block transaction and trigger a decode error in
try {
      auto p = bl.cbegin();
      decode(t, p);
      seen_recs = true;
    }

Add the following line right after decode(t, p) to throw an error
throw buffer::malformed_input("error test");

According to the patch description https://github.com/ceph/ceph/pull/42830
this error will be considered as a normal bluefs log reply stop condition and will *not* prevent OSD from starting
After the error test is triggered, OSD can still be started normally