Date: Wed, 11 Jan 2006 08:38:40 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: Randy Bush <randy@psg.com>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: mount option <rw> is unknown Message-ID: <20060111083750.U28748@fledge.watson.org> In-Reply-To: <20060103233458.GA3763@troutmask.apl.washington.edu> References: <17338.64976.685459.349707@roam.psg.com> <20060103225401.GA3009@troutmask.apl.washington.edu> <17339.1894.74343.72704@roam.psg.com> <20060103233458.GA3763@troutmask.apl.washington.edu>
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On Tue, 3 Jan 2006, Steve Kargl wrote: > The first URL notes the same problem with "mount option <rw> is unknown". > The second URL points to the CVS repository for sbin/mount/mount.c. It > should have read "rev. 1.77". In particular, > > Revision 1.77 / (download) - annotate - [select for diffs], Sat Dec 3 > 01:57:58 2005 UTC (4 weeks, 3 days ago) by rodrigc > Branch: MAIN > Changes since 1.76: +1 -1 lines > Diff to previous 1.76 (colored) > > Simplify parsing of mount options by passing > "rw" option down to kernel, since vfs_donmount() can now parse it. > > "Simplify" is a misspelling of "Break possibility of using older kernels > with newer sbin/mount command". This, of course, makes panic recovery more > difficult. > > I don't recall what the outcome of using a newer kernel with an old > sbin/mount is. I think that, other than some windows of breakage, that does work with a sufficiently recent kernel. The middle bit was a bit more bumpy than I expect was planned by the committer. :-) At least, it's my theory it works, because somehow all my machines got past the bumpy bit (eventually). Robert N M Watson
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