bcachefs: Ensure copygc does not spin

If copygc does no work - finds no fragmented buckets - wait for a bit of
IO to happen.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-10-30 13:15:36 -04:00
commit 1f7056b735
4 changed files with 34 additions and 8 deletions