On Wed, May 24, 2023 at 06:34:04PM -0500, Mike Christie wrote: > The following patches were made over Linus's tree and fix an issue > where windows guests will send iovecs with offset/lengths that result > in IOs that are not aligned to 512. The LIO layer will then send them > to Linux's block layer but it requires 512 byte alignment, so depending > on the block driver being used we will get IO errors or hung IO. > > The following patches have vhost-scsi detect when windows sends these > IOs and copy them to a bounce buffer. It then does some cleanup in > the related code.
Normally with virtio we'd have a feature bit that allows skipping alignment checks. Teach linux to set it. Stefan, WDYT? -- MST _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
