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Date: Tue, 14 Jan 2014 18:13:47 +0400
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Andriy Gapon <avg@FreeBSD.org>
Subject: Re: zfs locking
Message-ID: <20140114141347.GN16734@zxy.spb.ru>
References: <20140114133642.GM16734@zxy.spb.ru> <52D543B7.2010407@FreeBSD.org>
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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