Re: [Qemu-devel] [PATCH v22 03/10] Backup: export interfaces for extra serialization

2016-07-25 Thread Changlong Xie
On 07/26/2016 05:50 AM, Max Reitz wrote: On 22.07.2016 12:16, Wang WeiWei wrote: From: Changlong Xie Normal backup(sync='none') workflow: step 1. NBD peformance I/O write from client to server qcow2_co_writev bdrv_co_writev ... bdrv_aligned_pwritev notifier_with

Re: [Qemu-devel] [PATCH v22 03/10] Backup: export interfaces for extra serialization

2016-07-25 Thread Max Reitz
On 22.07.2016 12:16, Wang WeiWei wrote: > From: Changlong Xie > > Normal backup(sync='none') workflow: > step 1. NBD peformance I/O write from client to server >qcow2_co_writev > bdrv_co_writev > ... >bdrv_aligned_pwritev > notifier_with_return_list_notify -> backup_d

[Qemu-devel] [PATCH v22 03/10] Backup: export interfaces for extra serialization

2016-07-22 Thread Wang WeiWei
From: Changlong Xie Normal backup(sync='none') workflow: step 1. NBD peformance I/O write from client to server qcow2_co_writev bdrv_co_writev ... bdrv_aligned_pwritev notifier_with_return_list_notify -> backup_do_cow bdrv_driver_pwritev // write new contents