On Wed, Jan 09, 2019 at 07:27:21PM +0800, elohi...@gmail.com wrote: > From: Xie Yongji <xieyon...@baidu.com> > > This patchset is aimed at supporting qemu to reconnect > vhost-user-blk backend after vhost-user-blk backend crash or > restart. > > The patch 1 uses exisiting wait/nowait options to make QEMU not > do a connect on client sockets during initialization of the chardev. > > The patch 2 introduces two new messages VHOST_USER_GET_INFLIGHT_FD > and VHOST_USER_SET_INFLIGHT_FD to support providing shared > memory to backend.
Can you describe the problem that the inflight I/O shared memory region solves? Thanks, Stefan
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