Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-21 Thread Roger Pau Monné
On Tue, Jun 20, 2023 at 09:14:25PM -0400, Demi Marie Obenour wrote: > On Mon, Jun 12, 2023 at 10:09:39AM +0200, Roger Pau Monné wrote: > > On Fri, Jun 09, 2023 at 12:55:39PM -0400, Demi Marie Obenour wrote: > > > On Fri, Jun 09, 2023 at 05:13:45PM +0200, Roger Pau Monné wrote: > > > > On Thu, Jun 0

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-20 Thread Demi Marie Obenour
On Mon, Jun 12, 2023 at 10:09:39AM +0200, Roger Pau Monné wrote: > On Fri, Jun 09, 2023 at 12:55:39PM -0400, Demi Marie Obenour wrote: > > On Fri, Jun 09, 2023 at 05:13:45PM +0200, Roger Pau Monné wrote: > > > On Thu, Jun 08, 2023 at 11:33:26AM -0400, Demi Marie Obenour wrote: > > > > On Thu, Jun 0

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-13 Thread Roger Pau Monné
On Fri, Jun 09, 2023 at 12:55:39PM -0400, Demi Marie Obenour wrote: > On Fri, Jun 09, 2023 at 05:13:45PM +0200, Roger Pau Monné wrote: > > On Thu, Jun 08, 2023 at 11:33:26AM -0400, Demi Marie Obenour wrote: > > > On Thu, Jun 08, 2023 at 10:29:18AM +0200, Roger Pau Monné wrote: > > > > On Wed, Jun 0

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-11 Thread Roger Pau Monné
On Thu, Jun 08, 2023 at 11:33:26AM -0400, Demi Marie Obenour wrote: > On Thu, Jun 08, 2023 at 10:29:18AM +0200, Roger Pau Monné wrote: > > On Wed, Jun 07, 2023 at 12:14:46PM -0400, Demi Marie Obenour wrote: > > > On Wed, Jun 07, 2023 at 10:20:08AM +0200, Roger Pau Monné wrote: > > > > On Tue, Jun 0

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-09 Thread Demi Marie Obenour
On Fri, Jun 09, 2023 at 05:13:45PM +0200, Roger Pau Monné wrote: > On Thu, Jun 08, 2023 at 11:33:26AM -0400, Demi Marie Obenour wrote: > > On Thu, Jun 08, 2023 at 10:29:18AM +0200, Roger Pau Monné wrote: > > > On Wed, Jun 07, 2023 at 12:14:46PM -0400, Demi Marie Obenour wrote: > > > > On Wed, Jun 0

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-09 Thread Roger Pau Monné
On Wed, Jun 07, 2023 at 12:14:46PM -0400, Demi Marie Obenour wrote: > On Wed, Jun 07, 2023 at 10:20:08AM +0200, Roger Pau Monné wrote: > > On Tue, Jun 06, 2023 at 01:01:20PM -0400, Demi Marie Obenour wrote: > > > On Tue, Jun 06, 2023 at 10:25:47AM +0200, Roger Pau Monné wrote: > > > > On Tue, May 3

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-08 Thread Demi Marie Obenour
On Thu, Jun 08, 2023 at 10:29:18AM +0200, Roger Pau Monné wrote: > On Wed, Jun 07, 2023 at 12:14:46PM -0400, Demi Marie Obenour wrote: > > On Wed, Jun 07, 2023 at 10:20:08AM +0200, Roger Pau Monné wrote: > > > On Tue, Jun 06, 2023 at 01:01:20PM -0400, Demi Marie Obenour wrote: > > > > On Tue, Jun 0

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-07 Thread Roger Pau Monné
On Tue, Jun 06, 2023 at 01:01:20PM -0400, Demi Marie Obenour wrote: > On Tue, Jun 06, 2023 at 10:25:47AM +0200, Roger Pau Monné wrote: > > On Tue, May 30, 2023 at 04:31:13PM -0400, Demi Marie Obenour wrote: > > > This allows specifying a disk sequence number in XenStore. If it does > > > not match

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-07 Thread Demi Marie Obenour
On Wed, Jun 07, 2023 at 10:20:08AM +0200, Roger Pau Monné wrote: > On Tue, Jun 06, 2023 at 01:01:20PM -0400, Demi Marie Obenour wrote: > > On Tue, Jun 06, 2023 at 10:25:47AM +0200, Roger Pau Monné wrote: > > > On Tue, May 30, 2023 at 04:31:13PM -0400, Demi Marie Obenour wrote: > > > > This allows s

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-06 Thread Roger Pau Monné
On Tue, May 30, 2023 at 04:31:13PM -0400, Demi Marie Obenour wrote: > This allows specifying a disk sequence number in XenStore. If it does > not match the disk sequence number of the underlying device, the device > will not be exported and a warning will be logged. Userspace can use > this to el

Re: [dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-06-06 Thread Demi Marie Obenour
On Tue, Jun 06, 2023 at 10:25:47AM +0200, Roger Pau Monné wrote: > On Tue, May 30, 2023 at 04:31:13PM -0400, Demi Marie Obenour wrote: > > This allows specifying a disk sequence number in XenStore. If it does > > not match the disk sequence number of the underlying device, the device > > will not

[dm-devel] [PATCH v2 13/16] xen-blkback: Implement diskseq checks

2023-05-30 Thread Demi Marie Obenour
This allows specifying a disk sequence number in XenStore. If it does not match the disk sequence number of the underlying device, the device will not be exported and a warning will be logged. Userspace can use this to eliminate race conditions due to major/minor number reuse. Old kernels do not