12 Jan
2017
12 Jan
'17
5:53 p.m.
On Thu, Jan 12, 2017 at 09:39:41PM +1000, Warren Toomey wrote:
VFS was in SunOS 4.1.4:
sys/sys/vfs.h:
struct vfssw {
char *vsw_name; /* type name string */
struct vfsops *vsw_ops; /* filesystem operations vector */
};
Oh, and 4.3BSD from Uni of Wisconsin also has VFS:
http://minnie.tuhs.org/cgi-bin/utree.pl?file=4.3BSD-UWisc/src/sys/h/vfs.h
(dated 1987).
And SunOS 2 has got VFS:
include/sys/vfs.h
/* @(#)vfs.h 1.1 84/12/20 SMI */
/*
* Structure per mounted file system.
* Each mounted file system has an array of
* operations and an instance record.
* The file systems are put on a singly linked list.
*/
struct vfs {
struct vfs *vfs_next; /* next vfs in vfs list */
struct vfsops *vfs_op; /* operations on vfs */
struct vnode *vfs_vnodecovered; /* vnode we mounted on */
int vfs_flag; /* flags */
int vfs_bsize; /* native block size */
caddr_t vfs_data; /* private data */
};
That's as far back as I can go.
Cheers, Warren