Mailinglist Archive: opensuse (1470 mails)

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Re: [opensuse] Why do I have all these file systems loaded as modules?
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On 2016-02-26 18:25, Anton Aylward wrote:

From MAN(mount)

<quote> If no -t option is given, or if the auto type is specified,
mount will try to guess the desired type. Mount uses the blkid
library for guessing the filesystem type; if that does not turn up
anything that looks familiar, mount will try to read the file
/etc/filesystems, or, if that does not exist, /proc/filesystems.
All of the filesystem types listed there will be tried, except for
those that are labeled "nodev" (e.g., devpts, proc and nfs). If
/etc/filesystems ends in a line with a single * only, mount will
read /proc/filesystems afterwards. All of the filesystem types will
be mounted with mount option "silent". </quote>

Yes, interesting.

Firstly, all the file systems mounts in /etc/fstab are fully
specified, so this doesn't apply there.

Second, I have 'blkid' able to identify all my file systems, and,
as I've said, none are the mavericks such as minix, qnx4 etc.

I'm thinking that /proc/filesystems lists all the filesystems that can
be tried, or mounted, but not necesarily that their respective modules
are already loaded. Ie, the kernel must know what filesystem modules
it can provide support for.


- --
Cheers / Saludos,

Carlos E. R.

(from 13.1 x86_64 "Bottle" (Minas Tirith))
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