Date: Thu, 22 Apr 1999 10:02:09 -0400 (EDT) From: Zhihui Zhang <zzhang@cs.binghamton.edu> To: freebsd-hackers@freebsd.org Subject: VFS initialization in FreeBSD 3.1 Message-ID: <Pine.GSO.3.96.990422095440.5541A-100000@sol.cs.binghamton.edu>
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I am trying to understand how VFS gets initialized in FreeBSD 3.1. In
FreeBSD 2.2.8, the file vnode_if.c is created by vnode_if.sh. At the end
of vnode_if.c, there is the following array:
struct vnodeop_desc *vfs_op_descs[] = {......}
This array will be traversed by vfs_op_init() (does not exist in FreeBSD
3.1) and the number of vnode operations is thus determined to be 44 in
FreeBSD 2.2.8.
In FreeBSD 3.1, however, I can not find where the vfs_op_descs is
initialized. It seems to be initialized in vfs_add_vnodeops(), which is
in turn called by some LKM routine. Is VFS initialized by LKM mechanism in
FreeBSD 3.1. I expect all system initialization is done by SYSINIT() or
SYSINIT_KT() macros as in FreeBSD 2.2.8. I hope some guru can give me
some enlightment.
Any help is appreciated.
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Zhihui Zhang. Please visit http://www.freebsd.org
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