faf1e1fb4c
The VirtQueueElement is a very big structure (>48k!), since it will be initialzed by virtqueue_pop, we can save the expensive zeroing here. This saves a few microseconds per request in my test: [fio-test] rw bs iodepth jobs bw iops latency -------------------------------------------------------------------------------------------- Before read 4k 1 1 110 28269 34 After read 4k 1 1 131 33745 28 Whereas, virtio-blk read 4k 1 1 217 55673 16 Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| .. | ||
| esp-pci.c | ||
| esp.c | ||
| lsi53c895a.c | ||
| Makefile.objs | ||
| megasas.c | ||
| mfi.h | ||
| scsi-bus.c | ||
| scsi-disk.c | ||
| scsi-generic.c | ||
| spapr_vscsi.c | ||
| srp.h | ||
| vhost-scsi.c | ||
| viosrp.h | ||
| virtio-scsi.c | ||
| vmw_pvscsi.c | ||
| vmw_pvscsi.h | ||