The next commit in the VFS accounting branch I intend to push adds a new mount flag. The goal is to be able to list mount points with accounting enabled from userland.
I'm currently using #define MNT_ACCOUNTING 0x00010000 and it works fine for most filesystem types -- only not UFS. I'm not sure why this happens yet but one of the reasons could be because I have to reuse an existing flag value. struct mount.mnt_flag is an int and as far as I know, the 32 possible bit values have already been defined. I'll dig into the UFS VFS code to find out more. The possible future commit is visible here: http://gitweb.dragonflybsd.org/~ftigeot/dragonfly.git/commitdiff/06649fe0941bb0b43d743ace0b8eb68347563f63 -- Francois Tigeot
