On 17.01.25 10:09, Pavel Tikhomirov wrote:
--- a/drivers/md/dm-ploop-map.c
+++ b/drivers/md/dm-ploop-map.c
@@ -893,35 +893,47 @@ static void ploop_bat_write_complete(struct pio
*pio, void *piwb_ptr,
struct ploop_cow *cow;
struct pio *data_pio;
unsigned long flags;
-
- if (!bi_status) {
- /*
- * Success: now update local BAT copy. We could do this
- * from our delayed work, but we want to publish new
- * mapping in the fastest way. This must be done before
- * data bios completion, since right after we complete
- * a bio, subsequent read wants to see written data
- * (ploop_map() wants to see not zero bat_entries[.]).
- */
- ploop_advance_local_after_bat_wb(ploop, piwb, true);
+ LIST_HEAD(lready_pios);
+ LIST_HEAD(lcow_pios);
+ int completed = atomic_read(&piwb->count) == 1;
Maybe we can use this construct:
if (atomic_dec_and_test(&piwb->count)) {do}
I've rewritten the logic, whomever is last does all the updates.
--
Regards,
Alexander Atanasov
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