static int
vdev_file_io_done(zio_t *zio)
{
vdev_t *vd = zio->io_vd;
if (zio_injection_enabled && zio->io_error == 0)
zio->io_error = zio_handle_device_injection(vd, EIO);
/*
* If an error has been encountered then attempt to probe the device
* to determine if it's still accessible.
*/
if (zio->io_error == EIO && vdev_probe(vd) != 0) {
if (!vd->vdev_is_failing) {
vd->vdev_is_failing = B_TRUE;
zfs_ereport_post(FM_EREPORT_ZFS_PROBE_FAILURE,
vd->vdev_spa, vd, zio, 0, 0);
}
}
vdev_queue_io_done(zio);
if (zio->io_type == ZIO_TYPE_WRITE)
vdev_cache_write(zio);
return (ZIO_PIPELINE_CONTINUE);
}
static void
vdev_file_io_done(zio_t *zio)
{
vdev_queue_io_done(zio);
#ifndef _KERNEL
if (zio->io_type == ZIO_TYPE_WRITE)
vdev_cache_write(zio);
#endif
if (zio_injection_enabled && zio->io_error == 0)
zio->io_error = zio_handle_device_injection(zio->io_vd, EIO);
zio_next_stage(zio);
}
static int
vdev_file_probe_io(vdev_t *vd, caddr_t data, size_t size, uint64_t offset,
enum uio_rw rw)
{
vdev_file_t *vf = vd ? vd->vdev_tsd : NULL;
ssize_t resid;
int error = 0;
if (vd == NULL || vf == NULL || vf->vf_vnode == NULL)
return (EINVAL);
ASSERT(rw == UIO_READ || rw == UIO_WRITE);
error = vn_rdwr(rw, vf->vf_vnode, data, size, offset, UIO_SYSSPACE,
0, RLIM64_INFINITY, kcred, &resid);
if (error || resid != 0)
return (EIO);
if (zio_injection_enabled)
error = zio_handle_device_injection(vd, EIO);
return (error);
}