Date: Tue, 11 Jul 2006 08:14:14 +0300 From: Danny Braniss <danny@cs.huji.ac.il> To: Scott Long <scottl@samsco.org> Cc: Maxim Sobolev <sobomax@FreeBSD.org>, freebsd-current@FreeBSD.org, freebsd-arch@FreeBSD.org, Craig Rodrigues <rodrigc@crodrigues.org> Subject: Re: [RFC] mount can figure out fstype automatically Message-ID: <E1G0AZa-000GIQ-Rl@cs1.cs.huji.ac.il> In-Reply-To: <44B2FD91.4010503@samsco.org> References: <20060708152801.GA3671@crodrigues.org> <44AFD7DF.8090002@errno.com> <20060708161719.GB3871@crodrigues.org> <20060710223845.GA47557@dragon.NUXI.org> <44B2F326.1090203@samsco.org> <44B2F94A.6020309@FreeBSD.org> <44B2FD91.4010503@samsco.org>
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> Maxim Sobolev wrote: > > > Scott Long wrote: > > > >> David O'Brien wrote: > >> > >>> On Sat, Jul 08, 2006 at 12:17:19PM -0400, Craig Rodrigues wrote: > >>> > >>>> I was thinking of doing something like that. You can basically > >>>> get the same info by doing something like: > >>>> file - < /dev/ad0s1e > >>>> /dev/stdin: Unix Fast File system (little-endian) > >>>> file - < /dev/ad0s4 > >>>> /dev/stdin: SGI XFS filesystem > >>>> > >>>> I leaned away from this approach in mount(8) because: > >>>> - I didn't want to tie mount(8) to file(1) > >>> > >>> > >>> > >>> Why not? We have libmagic for purposes like this. > >>> > >> > >> This is an interesting idea. However, it has the potential to > >> add a dependency on /usr to the early boot environment. Maybe it > >> could be done via rtld? > > > > > > Well, we have dynamic /sbin now, so that it's only the matter of moving > > libmagic into /lib. > > > > -Maxim > > libmagic depends on libz. Let's not go down the path of populating > /lib with every convenience under the sun. > and /usr/share/misc/magic btw, the idea of mount figuring out the nount-type has allot of merit, but using a 10 ton hammer is not the way. danny
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