Date: Sat, 26 Sep 2015 15:28:34 -0700 From: NGie Cooper <yaneurabeya@gmail.com> To: Mark Johnston <markj@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r288280 - head/sys/kern Message-ID: <A53FF4CE-9BA1-4214-983E-74ABEFC5A3E8@gmail.com> In-Reply-To: <201509262226.t8QMQuHh018926@repo.freebsd.org> References: <201509262226.t8QMQuHh018926@repo.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
> On Sep 26, 2015, at 15:26, Mark Johnston <markj@FreeBSD.org> wrote: >=20 > Author: markj > Date: Sat Sep 26 22:26:55 2015 > New Revision: 288280 > URL: https://svnweb.freebsd.org/changeset/base/288280 >=20 > Log: > Remove a check for a condition that is always false by a preceding = KASSERT > that was added in r144704. >=20 > Modified: > head/sys/kern/vfs_subr.c >=20 > Modified: head/sys/kern/vfs_subr.c > = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D > --- head/sys/kern/vfs_subr.c Sat Sep 26 22:20:30 2015 = (r288279) > +++ head/sys/kern/vfs_subr.c Sat Sep 26 22:26:55 2015 = (r288280) > @@ -1429,11 +1429,6 @@ flushbuflist(struct bufv *bufv, int flag > KASSERT(bp->b_bufobj =3D=3D bo, > ("bp %p wrong b_bufobj %p should be %p", > bp, bp->b_bufobj, bo)); > - if (bp->b_bufobj !=3D bo) { /* XXX: necessary ? */ > - BUF_UNLOCK(bp); > - BO_LOCK(bo); > - return (EAGAIN); > - } > /* > * XXX Since there are no node locks for NFS, I > * believe there is a slight chance that a delayed >=20 Except the KASSERT gets optimized out with !INVARIANTS. Is this = if-statement protecting against bad behavior?=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?A53FF4CE-9BA1-4214-983E-74ABEFC5A3E8>