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migration/multifd: Zero p->flags before starting filling a packet

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This way there aren't stale flags there.

p->flags can't contain SYNC to be sent at the next RAM packet since syncs
are now handled separately in multifd_send_thread.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Link: https://lore.kernel.org/r/1c96b6cdb797e6f035eb1a4ad9bfc24f4c7f5df8.1730203967.git.maciej.szmigiero@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Maciej S. Szmigiero 2024-10-29 15:58:15 +01:00 • committed by Peter Xu
parent b0350c5195
commit 00b4b21653
1 changed files with 1 additions and 1 deletions
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2
migration/multifd.c
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@ -600,6 +600,7 @@ static void *multifd_send_thread(void *opaque)
* qatomic_store_release() in multifd_send(). * qatomic_store_release() in multifd_send().
*/ */
if (qatomic_load_acquire(&p->pending_job)) { if (qatomic_load_acquire(&p->pending_job)) {
p->flags = 0;
p->iovs_num = 0; p->iovs_num = 0;
assert(!multifd_payload_empty(p->data)); assert(!multifd_payload_empty(p->data));
@ -651,7 +652,6 @@ static void *multifd_send_thread(void *opaque)
} }
/* p->next_packet_size will always be zero for a SYNC packet */ /* p->next_packet_size will always be zero for a SYNC packet */
stat64_add(&mig_stats.multifd_bytes, p->packet_len); stat64_add(&mig_stats.multifd_bytes, p->packet_len);
p->flags = 0;
} }
qatomic_set(&p->pending_sync, false); qatomic_set(&p->pending_sync, false);