diff options
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/block.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/migration/block.c b/migration/block.c index 5c03632257..03bbba61cb 100644 --- a/migration/block.c +++ b/migration/block.c @@ -37,6 +37,7 @@ #define MAX_IS_ALLOCATED_SEARCH (65536 * BDRV_SECTOR_SIZE) #define MAX_IO_BUFFERS 512 +#define MAX_PARALLEL_IO 16 //#define DEBUG_BLK_MIGRATION @@ -775,6 +776,7 @@ static int block_save_iterate(QEMUFile *f, void *opaque) while ((block_mig_state.submitted + block_mig_state.read_done) * BLOCK_SIZE < qemu_file_get_rate_limit(f) && + block_mig_state.submitted < MAX_PARALLEL_IO && (block_mig_state.submitted + block_mig_state.read_done) < MAX_IO_BUFFERS) { blk_mig_unlock(); |