Re: [PATCH 2/2] virtio_blk: Add support for transport error recovery

["Michael S. Tsirkin" <mst@redhat.com>]

On Thu, Jan 30, 2025 at 10:48:37AM -0500, Stefan Hajnoczi wrote:
> On Wed, Nov 27, 2024 at 08:57:32AM +0200, Israel Rukshin wrote:
> > Add support for proper cleanup and re-initialization of virtio-blk devices
> > during transport reset error recovery flow.
> > This enhancement includes:
> > - Pre-reset handler (reset_prepare) to perform device-specific cleanup
> > - Post-reset handler (reset_done) to re-initialize the device
> > 
> > These changes allow the device to recover from various reset scenarios,
> > ensuring proper functionality after a reset event occurs.
> > Without this implementation, the device cannot properly recover from
> > resets, potentially leading to undefined behavior or device malfunction.
> > 
> > This feature has been tested using PCI transport with Function Level
> > Reset (FLR) as an example reset mechanism. The reset can be triggered
> > manually via sysfs (echo 1 > /sys/bus/pci/devices/$PCI_ADDR/reset).
> > 
> > Signed-off-by: Israel Rukshin <israelr@nvidia.com>
> > Reviewed-by: Max Gurtovoy <mgurtovoy@nvidia.com>
> > ---
> >  drivers/block/virtio_blk.c | 28 +++++++++++++++++++++++++---
> >  1 file changed, 25 insertions(+), 3 deletions(-)
> 
> Acked-by: Stefan Hajnoczi <stefanha@redhat.com>

Sorry this is in Linus' tree, I can not attach your ack.