[DRAFT] Patch sstable_directory to use yielding lister

[xemul]

No description provided.

[scylladb-promoter]

🔴 CI State: FAILURE

✅ - Build
✅ - Container Test
✅ - dtest
✅ - dtest with topology changes
❌ - Unit Tests

Failed Tests (3/30219):

• [empty] 🔍
• [empty] 🔍
• [empty] 🔍

Build Details:

• Duration: 2 hr 29 min
• Builder: spider2.cloudius-systems.com

[scylladb-promoter]

🟢 CI State: SUCCESS

✅ - Build
✅ - Container Test
✅ - dtest
✅ - dtest with topology changes
✅ - Unit Tests

Build Details:

• Duration: 2 hr 3 min
• Builder: spider2.cloudius-systems.com

[xemul]

🔴 CI State: FAILURE

✅ - Build ✅ - Container Test ✅ - dtest ✅ - dtest with topology changes ❌ - Unit Tests

Failed Tests (3/30219):

[empty] 🔍

Without cfd36e5 (checked-file: Implement experimental_list_directory patch from this PR) the lister end up using fallback generator and steps on scylladb/seastar#2190

[denesb]

Need more details as well as motivation in the cover letter.

[xemul]

Need more details as well as motivation in the cover letter.

Yes, definitely. The PR is here just to have CI run and to track the aforementioned seastar issue. Once it's all settled, I'll brush the PR up properly