diff options
Diffstat (limited to 'migration/multifd.c')
| -rw-r--r-- | migration/multifd.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/migration/multifd.c b/migration/multifd.c index 8118145428..419feb7df1 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -18,7 +18,6 @@ #include "qemu/error-report.h" #include "qapi/error.h" #include "file.h" -#include "ram.h" #include "migration.h" #include "migration-stats.h" #include "socket.h" @@ -251,7 +250,7 @@ static int nocomp_recv(MultiFDRecvParams *p, Error **errp) uint32_t flags; if (!multifd_use_packets()) { - return 0; + return multifd_file_recv_data(p, errp); } flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK; @@ -1331,22 +1330,48 @@ void multifd_recv_cleanup(void) void multifd_recv_sync_main(void) { int thread_count = migrate_multifd_channels(); + bool file_based = !multifd_use_packets(); int i; - if (!migrate_multifd() || !multifd_use_packets()) { + if (!migrate_multifd()) { return; } /* + * File-based channels don't use packets and therefore need to + * wait for more work. Release them to start the sync. + */ + if (file_based) { + for (i = 0; i < thread_count; i++) { + MultiFDRecvParams *p = &multifd_recv_state->params[i]; + + trace_multifd_recv_sync_main_signal(p->id); + qemu_sem_post(&p->sem); + } + } + + /* * Initiate the synchronization by waiting for all channels. + * * For socket-based migration this means each channel has received * the SYNC packet on the stream. + * + * For file-based migration this means each channel is done with + * the work (pending_job=false). */ for (i = 0; i < thread_count; i++) { trace_multifd_recv_sync_main_wait(i); qemu_sem_wait(&multifd_recv_state->sem_sync); } + if (file_based) { + /* + * For file-based loading is done in one iteration. We're + * done. + */ + return; + } + /* * Sync done. Release the channels for the next iteration. */ |