Re: [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking

2016-01-13 Thread Markus Armbruster
Kevin Wolf writes: > Am 23.12.2015 um 11:47 hat Daniel P. Berrange geschrieben: >> On Wed, Dec 23, 2015 at 11:14:12AM +0800, Fam Zheng wrote: >> > On Tue, 12/22 17:46, Kevin Wolf wrote: >> > > Enough innocent images have died because users called 'qemu-img >> > > snapshot'

Re: [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking

2016-01-11 Thread Kevin Wolf
Am 23.12.2015 um 11:47 hat Daniel P. Berrange geschrieben: > On Wed, Dec 23, 2015 at 11:14:12AM +0800, Fam Zheng wrote: > > On Tue, 12/22 17:46, Kevin Wolf wrote: > > > Enough innocent images have died because users called 'qemu-img snapshot' > > > while > > > the VM was still running. Educating

Re: [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking

2016-01-11 Thread Daniel P. Berrange
On Mon, Jan 11, 2016 at 06:14:15PM +0100, Kevin Wolf wrote: > Am 23.12.2015 um 11:47 hat Daniel P. Berrange geschrieben: > > On Wed, Dec 23, 2015 at 11:14:12AM +0800, Fam Zheng wrote: > > > On Tue, 12/22 17:46, Kevin Wolf wrote: > > > > Enough innocent images have died because users called

Re: [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking

2015-12-23 Thread Vasiliy Tolstov
2015-12-22 19:46 GMT+03:00 Kevin Wolf : > Enough innocent images have died because users called 'qemu-img snapshot' > while > the VM was still running. Educating the users doesn't seem to be a working > strategy, so this series adds locking to qcow2 that refuses to access the >

Re: [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking

2015-12-23 Thread Max Reitz
On 23.12.2015 04:14, Fam Zheng wrote: > On Tue, 12/22 17:46, Kevin Wolf wrote: >> Enough innocent images have died because users called 'qemu-img snapshot' >> while >> the VM was still running. Educating the users doesn't seem to be a working >> strategy, so this series adds locking to qcow2 that

Re: [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking

2015-12-23 Thread Daniel P. Berrange
On Wed, Dec 23, 2015 at 11:14:12AM +0800, Fam Zheng wrote: > On Tue, 12/22 17:46, Kevin Wolf wrote: > > Enough innocent images have died because users called 'qemu-img snapshot' > > while > > the VM was still running. Educating the users doesn't seem to be a working > > strategy, so this series

Re: [Qemu-devel] [PATCH 00/10] qcow2: Implement image locking

2015-12-22 Thread Fam Zheng
On Tue, 12/22 17:46, Kevin Wolf wrote: > Enough innocent images have died because users called 'qemu-img snapshot' > while > the VM was still running. Educating the users doesn't seem to be a working > strategy, so this series adds locking to qcow2 that refuses to access the > image > read-write

[Qemu-devel] [PATCH 00/10] qcow2: Implement image locking

2015-12-22 Thread Kevin Wolf
Enough innocent images have died because users called 'qemu-img snapshot' while the VM was still running. Educating the users doesn't seem to be a working strategy, so this series adds locking to qcow2 that refuses to access the image read-write from two processes. Eric, this will require a