svn commit: r334971 - head/sbin/dump

[Rodney W. Grimes]

> On Mon, 11 Jun 2018 19:32:45 +0000 (UTC)
> Warner Losh <imp at FreeBSD.org> wrote:
> 
> > Author: imp
> > Date: Mon Jun 11 19:32:45 2018
> > New Revision: 334971
> > URL: https://svnweb.freebsd.org/changeset/base/334971
> > 
> > Log:
> >   Document the newly enforced 524288 inode restriction.
> > 
> > Modified:
> >   head/sbin/dump/dump.8
> > 
> > Modified: head/sbin/dump/dump.8
> > ==============================================================================
> > --- head/sbin/dump/dump.8	Mon Jun 11 19:32:40 2018	(r334970)
> > +++ head/sbin/dump/dump.8	Mon Jun 11 19:32:45 2018	(r334971)
> > @@ -29,7 +29,7 @@
> >  .\"     @(#)dump.8	8.3 (Berkeley) 5/1/95
> >  .\" $FreeBSD$
> >  .\"
> > -.Dd October 3, 2016
> > +.Dd June 11, 2018
> >  .Dt DUMP 8
> >  .Os
> >  .Sh NAME
> > @@ -566,3 +566,8 @@ This will be fixed in a later version of
> >  .Fx .
> >  Presently, it works if you set it setuid (like it used to be), but this
> >  might constitute a security risk.
> > +.Pp
> > +It is not possible to safely dump filesystems that use more than
> > +524288 inodes.
> > +.Nm
> > +refuses to dump any filesystem that has more than 524288 inodes.
> > _______________________________________________
> > svn-src-head at freebsd.org mailing list
> > https://lists.freebsd.org/mailman/listinfo/svn-src-head
> > To unsubscribe, send any mail to "svn-src-head-unsubscribe at freebsd.org"
> 
> Hello.
> 
> Is this limitation going to be eternal or are efforts being made to make it
> possible to go beyond this limitations? Just for curiosity ...
> 
> Thanks in advance,

This 512k limitiation was a short lived miss understanding of the code and
a correct fix that should resolve the issue has been commited, I am doing futher
testing at this time on a large file system to confirm imp@'s fix.

-- 
Rod Grimes                                                 rgrimes at freebsd.org