kernel/linux.git/net/ceph/osd_client.c, branch linux-4.13.y

libceph: make RECOVERY_DELETES feature create a new interval

2017-08-01T14:46:45+00:00

This is needed so that the OSDs can regenerate the missing set at the start of a new interval where support for recovery deletes changed. Signed-off-by: Ilya Dryomov Reviewed-by: Sage Weil

libceph: make encode_request_*() work with r_mempool requests

2017-08-01T14:46:31+00:00

Messages allocated out of ceph_msgpool have a fixed front length (pool->front_len). Asserting that the entire front has been filled while encoding is thus wrong. Fixes: 8cb441c0545d ("libceph: MOSDOp v8 encoding (actual spgid + full hash)") Reported-by: "Yan, Zheng" Signed-off-by: Ilya Dryomov Reviewed-by: "Yan, Zheng"

libceph: don't call encode_request_finish() on MOSDBackoff messages

2017-07-17T12:54:59+00:00

encode_request_finish() is for MOSDOp messages. Calling it on MOSDBackoff ack-block messages corrupts them. Fixes: a02a946dfe96 ("libceph: respect RADOS_BACKOFF backoffs") Signed-off-by: Ilya Dryomov

libceph: respect RADOS_BACKOFF backoffs

2017-07-07T15:25:17+00:00

Signed-off-by: Ilya Dryomov

libceph: avoid unnecessary pi lookups in calc_target()

2017-07-07T15:25:17+00:00

Signed-off-by: Ilya Dryomov

libceph: use target pi for calc_target() calculations

2017-07-07T15:25:17+00:00

For luminous and beyond we are encoding the actual spgid, which requires operating with the correct pg_num, i.e. that of the target pool. Signed-off-by: Ilya Dryomov

libceph: always populate t->target_{oid,oloc} in calc_target()

2017-07-07T15:25:16+00:00

need_check_tiering logic doesn't make a whole lot of sense. Drop it and apply tiering unconditionally on every calc_target() call instead. Signed-off-by: Ilya Dryomov

libceph: make sure need_resend targets reflect latest map

2017-07-07T15:25:16+00:00

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

libceph: delete from need_resend_linger before check_linger_pool_dne()

2017-07-07T15:25:16+00:00

When processing a map update consisting of multiple incrementals, we may end up running check_linger_pool_dne() on a lingering request that was previously added to need_resend_linger list. If it is concluded that the target pool doesn't exist, the request is killed off while still on need_resend_linger list, which leads to a crash on a NULL lreq->osd in kick_requests(): libceph: linger_id 18446462598732840961 pool does not exist BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 IP: ceph_osdc_handle_map+0x4ae/0x870 Signed-off-by: Ilya Dryomov

libceph: resend on PG splits if OSD has RESEND_ON_SPLIT

2017-07-07T15:25:16+00:00

Note that ceph_osd_request_target fields are updated regardless of RESEND_ON_SPLIT. Signed-off-by: Ilya Dryomov