Am 02.07.2014 um 14:18 hat Ming Lei geschrieben: > Hi, > > The commit 580b6b2aa2(dataplane: use the QEMU block layer for I/O) > introduces ~40% throughput regression on virtio-blk dataplane, and > one of causes is that submitting I/O as a batch is removed. > > This patchset trys to introduce this mechanism on block, at least, > linux-aio can benefit from that. > > With these patches, it is observed that thoughout on virtio-blk > dataplane can be improved a lot, see data in commit log of patch > 3/3. > > It should be possible to apply the batch mechanism to other devices > (such as virtio-scsi) too.
This series doesn't seem to apply cleanly on current master. Can you rebase, please? Meanwhile, I'll try reviewing the patches as good as it's possibly when they don't apply. Kevin
