Re: FFS

On Sun, 3 Aug 2003 18:41:35 -0400 (EDT), Ted Unangst wrote
> On Sun, 3 Aug 2003, david ramblewski wrote:

M_UFSMNT is used to allocate ufsmount structures (/usr/src/sys/ufs/ufs/ufsmount.h).
The structure ufsmount is bigger than 28 bytes ( #define M_UFSMNT 28) so i didn' t see the utility
of these types of memories used in malloc. Whereas, after reading many sources, it seems to be used just for statistics about memory allocations in kernel land.

>
> > Does someone knows the working of the bread function because it returns me
the
> > EINVAL error. Does it read a logical block or a physical block?
> > I'm trying to read my disk superblock, my creds, vnode and offset seem to be
> > correct but i don't know where is the error and i have no idea about it.
>
> it takes logical block numbers. EINVAL is probably because you are

I just read the superblock (less than 100 bytes)

>
> --
> someone's writing down your mistakes
Received on Mon Aug 4 07:20:00 2003