Date: Thu, 27 Dec 2007 16:47:17 +1100 (EST) From: Peter Ross <Peter.Ross@alumni.tu-berlin.de> To: Yousef Ourabi <yourabi@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: 7.0 Beta 4 missing mount_ext2? Message-ID: <20071227164111.O1694@klein.bigpond.com> In-Reply-To: <b13f3f060712262102i54fa1e8ay377374200b9bc7dd@mail.gmail.com> References: <b13f3f060712262102i54fa1e8ay377374200b9bc7dd@mail.gmail.com>
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Hi Yousef,
On Wed, 26 Dec 2007, Yousef Ourabi wrote:
> Hello:
> I did a fresh install from the 7.0 beta 4 amd64 cd 1 on my C2D system,
> and I find that mount_ext2 is missing -- Is this by design, or did
> something go wrong with my install?
>
> Back in the day mount -t ext2 would just fork on mount_ext2 -- is this
> still the same or have things changed?
According to the mount(8) man page:
-t ufs | external_type
..
The default behavior of mount is to pass the -t option directly
to the nmount(2) system call in the fstype option.
However, for the following file system types: cd9660, mfs,
msdosfs, nfs, nfs4, ntfs, nwfs, nullfs, portalfs, smbfs, udf, and
unionfs, mount will not call nmount(2) directly and will instead
attempt to execute a program in /sbin/mount_XXX where XXX is
replaced by the file system type name. For example, nfs file
systems are mounted by the program /sbin/mount_nfs.
ext2 seems to use nmount(2) directly so it does not need /sbin/mount_ext2
anymore.
My system (a ca. four weeks old -current) does not have a mount_ext2. I
cannot test ext2 mounting by now because I don't have an ext2 filesystem,
sorry. But it worked three months ago (then I've got rid of Linux on my
laptop).
Regards
Peter
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