Re: [Qemu-devel] [PATCH v2 3/6] nbd: Allow bitmap export during QMP nbd-server-add

2019-01-10 Thread Eric Blake
On 1/10/19 9:11 AM, Nikolay Shirokovskiy wrote: >>> The experimental command included an optional 'bitmap-export-name' >>> field for remapping the name exposed over NBD to be different from >>> the bitmap name stored on disk. >> >> >> Nikolay, do you have comments on this? >> >> >>However, my

Re: [Qemu-devel] [PATCH v2 3/6] nbd: Allow bitmap export during QMP nbd-server-add

2019-01-10 Thread Nikolay Shirokovskiy
On 10.01.2019 15:02, Vladimir Sementsov-Ogievskiy wrote: > cc Nikolay > > 10.01.2019 10:13, Eric Blake wrote: >> With the experimental x-nbd-server-add-bitmap command, there was >> a window of time where an NBD client could see the export but not >> the associated dirty bitmap, which can cause a

Re: [Qemu-devel] [PATCH v2 3/6] nbd: Allow bitmap export during QMP nbd-server-add

2019-01-10 Thread Vladimir Sementsov-Ogievskiy
cc Nikolay 10.01.2019 10:13, Eric Blake wrote: > With the experimental x-nbd-server-add-bitmap command, there was > a window of time where an NBD client could see the export but not > the associated dirty bitmap, which can cause a client that planned > on using the dirty bitmap to be forced to tre

Re: [Qemu-devel] [PATCH v2 3/6] nbd: Allow bitmap export during QMP nbd-server-add

2019-01-10 Thread Vladimir Sementsov-Ogievskiy
10.01.2019 10:13, Eric Blake wrote: > With the experimental x-nbd-server-add-bitmap command, there was > a window of time where an NBD client could see the export but not > the associated dirty bitmap, which can cause a client that planned > on using the dirty bitmap to be forced to treat the entir

[Qemu-devel] [PATCH v2 3/6] nbd: Allow bitmap export during QMP nbd-server-add

2019-01-09 Thread Eric Blake
With the experimental x-nbd-server-add-bitmap command, there was a window of time where an NBD client could see the export but not the associated dirty bitmap, which can cause a client that planned on using the dirty bitmap to be forced to treat the entire image as dirty as a safety fallback. Furt