zfs locking
Andriy Gapon
avg at FreeBSD.org
Tue Jan 14 14:04:41 UTC 2014
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.
--
Andriy Gapon
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