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zinject: inject device errors into ioctls

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Adds 'ioctl' as a valid IO type for device error injection, so we can
simulate a flush error (which OpenZFS currently ignores, but that's by
the by).

To support this, adding ZIO_STAGE_VDEV_IO_DONE to ZIO_IOCTL_PIPELINE,
since that's where device error injection happens. This needs a small
exclusion to avoid the vdev_queue, since flushes are not queued, and I'm
assuming that the various failure responses are still reasonable for
flush failures (probes, media change, etc). This seems reasonable to me,
as a flush failure is not unlike a write failure in this regard, however
this may be too aggressive or subtle to assume in just this change.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #16061
This commit is contained in:
Rob N
2024-04-09 04:59:04 +10:00
committed by GitHub
parent ba9f587a77
commit 76d1dde94c
6 changed files with 18 additions and 12 deletions
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module/zfs/zio.c
+5 -2
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@@ -4086,14 +4086,17 @@ zio_vdev_io_done(zio_t *zio)
}
ASSERT(zio->io_type == ZIO_TYPE_READ ||
zio->io_type == ZIO_TYPE_WRITE || zio->io_type == ZIO_TYPE_TRIM);
zio->io_type == ZIO_TYPE_WRITE ||
zio->io_type == ZIO_TYPE_IOCTL ||
zio->io_type == ZIO_TYPE_TRIM);
if (zio->io_delay)
zio->io_delay = gethrtime() - zio->io_delay;
if (vd != NULL && vd->vdev_ops->vdev_op_leaf &&
vd->vdev_ops != &vdev_draid_spare_ops) {
vdev_queue_io_done(zio);
if (zio->io_type != ZIO_TYPE_IOCTL)
vdev_queue_io_done(zio);
if (zio_injection_enabled && zio->io_error == 0)
zio->io_error = zio_handle_device_injections(vd, zio,