Re: [Qemu-devel] [PATCH v4 0/3] linux-aio: introduce submit I/O as a batch

[Kevin Wolf]

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