Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-15 Thread Yury Kotov
15.03.2019, 12:46, "Daniel P. Berrangé" : > On Thu, Mar 14, 2019 at 03:31:47PM +0300, Yury Kotov wrote: >>  Hi, >> >>  14.03.2019, 14:44, "Daniel P. Berrangé" : >>  > On Thu, Mar 14, 2019 at 07:34:03AM -0400, Michael S. Tsirkin wrote: >>  >>  On Thu, Mar 14, 2019 at 11:24:22AM +, Daniel P. Berr

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-15 Thread Yongji Xie
On Fri, 15 Mar 2019 at 18:41, Yury Kotov wrote: > > 15.03.2019, 12:46, "Daniel P. Berrangé" : > > On Thu, Mar 14, 2019 at 03:31:47PM +0300, Yury Kotov wrote: > >> Hi, > >> > >> 14.03.2019, 14:44, "Daniel P. Berrangé" : > >> > On Thu, Mar 14, 2019 at 07:34:03AM -0400, Michael S. Tsirkin wrote: >

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-15 Thread Daniel P . Berrangé
On Thu, Mar 14, 2019 at 03:31:47PM +0300, Yury Kotov wrote: > Hi, > > 14.03.2019, 14:44, "Daniel P. Berrangé" : > > On Thu, Mar 14, 2019 at 07:34:03AM -0400, Michael S. Tsirkin wrote: > >>  On Thu, Mar 14, 2019 at 11:24:22AM +, Daniel P. Berrangé wrote: > >>  > On Tue, Mar 12, 2019 at 12:49:35

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Yongji Xie
On Fri, 15 Mar 2019 at 11:09, Michael S. Tsirkin wrote: > > On Fri, Mar 15, 2019 at 10:46:34AM +0800, Yongji Xie wrote: > > On Thu, 14 Mar 2019 at 19:18, Michael S. Tsirkin wrote: > > > > > > On Wed, Mar 13, 2019 at 10:47:08AM +0800, Yongji Xie wrote: > > > > On Wed, 13 Mar 2019 at 09:16, Michael

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Yongji Xie
On Thu, 14 Mar 2019 at 19:43, Daniel P. Berrangé wrote: > > On Thu, Mar 14, 2019 at 07:34:03AM -0400, Michael S. Tsirkin wrote: > > On Thu, Mar 14, 2019 at 11:24:22AM +, Daniel P. Berrangé wrote: > > > On Tue, Mar 12, 2019 at 12:49:35PM -0400, Michael S. Tsirkin wrote: > > > > On Thu, Feb 28,

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Yongji Xie
On Thu, 14 Mar 2019 at 20:31, Yury Kotov wrote: > > Hi, > > 14.03.2019, 14:44, "Daniel P. Berrangé" : > > On Thu, Mar 14, 2019 at 07:34:03AM -0400, Michael S. Tsirkin wrote: > >> On Thu, Mar 14, 2019 at 11:24:22AM +, Daniel P. Berrangé wrote: > >> > On Tue, Mar 12, 2019 at 12:49:35PM -0400,

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Michael S. Tsirkin
On Fri, Mar 15, 2019 at 10:46:34AM +0800, Yongji Xie wrote: > On Thu, 14 Mar 2019 at 19:18, Michael S. Tsirkin wrote: > > > > On Wed, Mar 13, 2019 at 10:47:08AM +0800, Yongji Xie wrote: > > > On Wed, 13 Mar 2019 at 09:16, Michael S. Tsirkin wrote: > > > > > > > > On Thu, Feb 28, 2019 at 04:53:54P

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Yongji Xie
On Thu, 14 Mar 2019 at 19:18, Michael S. Tsirkin wrote: > > On Wed, Mar 13, 2019 at 10:47:08AM +0800, Yongji Xie wrote: > > On Wed, 13 Mar 2019 at 09:16, Michael S. Tsirkin wrote: > > > > > > On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > > > > From: Xie Yongji > > > > > >

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Yury Kotov
Hi, 14.03.2019, 14:44, "Daniel P. Berrangé" : > On Thu, Mar 14, 2019 at 07:34:03AM -0400, Michael S. Tsirkin wrote: >>  On Thu, Mar 14, 2019 at 11:24:22AM +, Daniel P. Berrangé wrote: >>  > On Tue, Mar 12, 2019 at 12:49:35PM -0400, Michael S. Tsirkin wrote: >>  > > On Thu, Feb 28, 2019 at 04:5

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Michael S. Tsirkin
On Thu, Mar 14, 2019 at 11:43:26AM +, Daniel P. Berrangé wrote: > On Thu, Mar 14, 2019 at 07:34:03AM -0400, Michael S. Tsirkin wrote: > > On Thu, Mar 14, 2019 at 11:24:22AM +, Daniel P. Berrangé wrote: > > > On Tue, Mar 12, 2019 at 12:49:35PM -0400, Michael S. Tsirkin wrote: > > > > On Thu,

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Daniel P . Berrangé
On Thu, Mar 14, 2019 at 07:34:03AM -0400, Michael S. Tsirkin wrote: > On Thu, Mar 14, 2019 at 11:24:22AM +, Daniel P. Berrangé wrote: > > On Tue, Mar 12, 2019 at 12:49:35PM -0400, Michael S. Tsirkin wrote: > > > On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > > > > From: X

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Michael S. Tsirkin
On Thu, Mar 14, 2019 at 11:24:22AM +, Daniel P. Berrangé wrote: > On Tue, Mar 12, 2019 at 12:49:35PM -0400, Michael S. Tsirkin wrote: > > On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > > > From: Xie Yongji > > > > > > Since we now support the message VHOST_USER_GET_INFL

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Daniel P . Berrangé
On Tue, Mar 12, 2019 at 12:49:35PM -0400, Michael S. Tsirkin wrote: > On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > > From: Xie Yongji > > > > Since we now support the message VHOST_USER_GET_INFLIGHT_FD > > and VHOST_USER_SET_INFLIGHT_FD. The backend is able to restart > >

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Michael S. Tsirkin
On Wed, Mar 13, 2019 at 10:47:08AM +0800, Yongji Xie wrote: > On Wed, 13 Mar 2019 at 09:16, Michael S. Tsirkin wrote: > > > > On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > > > From: Xie Yongji > > > > > > Since we now support the message VHOST_USER_GET_INFLIGHT_FD > > > an

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-14 Thread Michael S. Tsirkin
On Wed, Mar 13, 2019 at 10:05:51AM +0800, Yongji Xie wrote: > On Wed, 13 Mar 2019 at 00:49, Michael S. Tsirkin wrote: > > > > On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > > > From: Xie Yongji > > > > > > Since we now support the message VHOST_USER_GET_INFLIGHT_FD > > > an

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-12 Thread Yongji Xie
On Wed, 13 Mar 2019 at 09:16, Michael S. Tsirkin wrote: > > On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > > From: Xie Yongji > > > > Since we now support the message VHOST_USER_GET_INFLIGHT_FD > > and VHOST_USER_SET_INFLIGHT_FD. The backend is able to restart > > safely be

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-12 Thread Yongji Xie
On Wed, 13 Mar 2019 at 00:49, Michael S. Tsirkin wrote: > > On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > > From: Xie Yongji > > > > Since we now support the message VHOST_USER_GET_INFLIGHT_FD > > and VHOST_USER_SET_INFLIGHT_FD. The backend is able to restart > > safely be

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-12 Thread Michael S. Tsirkin
On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > From: Xie Yongji > > Since we now support the message VHOST_USER_GET_INFLIGHT_FD > and VHOST_USER_SET_INFLIGHT_FD. The backend is able to restart > safely because it can track inflight I/O in shared memory. > This patch allows

Re: [Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-03-12 Thread Michael S. Tsirkin
On Thu, Feb 28, 2019 at 04:53:54PM +0800, elohi...@gmail.com wrote: > From: Xie Yongji > > Since we now support the message VHOST_USER_GET_INFLIGHT_FD > and VHOST_USER_SET_INFLIGHT_FD. The backend is able to restart > safely because it can track inflight I/O in shared memory. > This patch allows

[Qemu-devel] [PATCH v7 6/7] vhost-user-blk: Add support to reconnect backend

2019-02-28 Thread elohimes
From: Xie Yongji Since we now support the message VHOST_USER_GET_INFLIGHT_FD and VHOST_USER_SET_INFLIGHT_FD. The backend is able to restart safely because it can track inflight I/O in shared memory. This patch allows qemu to reconnect the backend after connection closed. Signed-off-by: Xie Yongj