Re: [PATCH 0/3] vhost-scsi: Fix IO hangs when using windows

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


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?


[Index of Archives]     [Linux SCSI]     [Kernel Newbies]     [Linux SCSI Target Infrastructure]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Device Mapper]

  Powered by Linux