cvs commit: src/sbin/mount mount.c

Kris Kennaway kris at
Fri Feb 24 21:14:41 PST 2006

On Sat, Feb 25, 2006 at 05:09:47AM +0000, Craig Rodrigues wrote:
> rodrigc     2006-02-25 05:09:47 UTC
>   FreeBSD src repository
>   Modified files:
>     sbin/mount           mount.c 
>   Log:
>   If we specify: mount -u (update),  without specifying an
>   additional -r (read-only) flag or or -w (read-write) flag,
>   then assume we want, mount -u -w.
>   When doing a mount update, this will implicitly pass a "noro" mount
>   option down to the VFS layer.
>   vfs_mergeopts() in vfs_mount.c will then remove the "ro" mount option
>   if it exists in the mount options for a mounted file system.
>   This means that "mount -u" works the same as "mount -u -w"
>   and will convert a read-only mount to read-write.


How about mount -u -o rw and mount -u -o ro to flip ro/rw status?

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