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Merge pull request #21686 from jdurgin/wip-ec-backend-comment

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osd/ECBackend: update misleading comment about EIO handling

Reviewed-by: David Zafman <dzafman@redhat.com>
This commit is contained in:
Josh Durgin 2018-04-26 14:52:59 -07:00 committed by GitHub
commit 90b8f7bca6
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1 changed files with 3 additions and 2 deletions
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src/osd/ECBackend.cc
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@ -1193,8 +1193,9 @@ void ECBackend::handle_sub_read_reply(
if ((err = ec_impl->minimum_to_decode(rop.want_to_read[iter->first], have, &dummy_minimum)) < 0) {
dout(20) << __func__ << " minimum_to_decode failed" << dendl;
if (rop.in_progress.empty()) {
// If we don't have enough copies and we haven't sent reads for all shards
// we can send the rest of the reads, if any.
// If we don't have enough copies, try other pg_shard_ts if available.
// During recovery there may be multiple osds with copies of the same shard,
// so getting EIO from one may result in multiple passes through this code path.
if (!rop.do_redundant_reads) {
int r = send_all_remaining_reads(iter->first, rop);
if (r == 0) {