zfs locking
Slawa Olhovchenkov
slw at zxy.spb.ru
Tue Jan 14 14:13:49 UTC 2014
On Tue, Jan 14, 2014 at 04:03:35PM +0200, Andriy Gapon wrote:
> on 14/01/2014 15:36 Slawa Olhovchenkov said the following:
> > DTRACE_PROBE2(l2arc__read, vdev_t *, vd,
> > zio_t *, rzio);
> > ARCSTAT_INCR(arcstat_l2_read_bytes, // arc_read+2137
> > hdr->b_l2hdr->b_asize);
> >
> > if (*arc_flags & ARC_NOWAIT) {
> > zio_nowait(rzio);
> > return (0);
> > }
> >
> > ASSERT(*arc_flags & ARC_WAIT);
> > if (zio_wait(rzio) == 0)
> > return (0);
> >
> > /* l2arc read error; goto zio_read() */
> >
> > Is this locking issue?
>
> This looks like a bug that was already fixed in illumos and FreeBSD head.
> What version of FreeBSD do you use?
> See r258388 and r258389.
10.0-BETA1
I don't see commit to 10.x
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