kern/163076: It is not possible to read in chunks from linprocfs and procfs.

[Poul-Henning Kamp]

The following reply was made to PR kern/163076; it has been noted by GNATS.

From: "Poul-Henning Kamp" <phk at phk.freebsd.dk>
To: Jaakko Heinonen <jh at FreeBSD.org>
Cc: Petr Salinger <Petr.Salinger at seznam.cz>, bug-followup at FreeBSD.org
Subject: Re: kern/163076: It is not possible to read in chunks from linprocfs and procfs.
Date: Mon, 05 Dec 2011 16:38:35 +0000

 In message <20111205144947.GA2267 at a91-153-116-96.elisa-laajakaista.fi>, Jaakko 
 Heinonen writes:
 
 >Yes, r222004 changed sbuf_finish() to not clear s->s_error which causes
 >the regression. I am not sure if we should blame r222004 or the pseudofs
 >code.
 
 The sbuf code is correct.
 
 Sbufs were designed to have "latching error semantics" and any errors
 should not be cleared by sbuf_finish() for exactly that reason.
 
 
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