1#
2# Copyright (c) 1992, 1993
3# The Regents of the University of California. All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright

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26# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31# SUCH DAMAGE.
32#
33# @(#)vnode_if.src 8.12 (Berkeley) 5/14/95
34# $Id: vnode_if.src,v 1.19 1998/09/05 14:13:06 phk Exp $
35#
36
37#
38# Above each of the vop descriptors is a specification of the locking
39# protocol used by each vop call. The first column is the name of
40# the variable, the remaining three columns are in, out and error
41# respectively. The "in" column defines the lock state on input,
42# the "out" column defines the state on succesful return, and the
43# "error" column defines the locking state on error exit.
44#
45# The locking value can take the following values:
46# L: locked.
47# U: unlocked.
48# -: not applicable. vnode does not yet (or no longer) exists.
49# =: the same on input and output, may be either L or U.
50# X: locked if not nil.
51#
52
53#
54#% lookup dvp L ? ?
55#% lookup vpp - L -

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84 IN struct vnode *dvp;
85 OUT struct vnode **vpp;
86 IN struct componentname *cnp;
87 IN struct vattr *vap;
88};
89
90#
91#% whiteout dvp L L L
92#
93vop_whiteout {
94 IN struct vnode *dvp;
95 IN struct componentname *cnp;
96 IN int flags;
97};
98
99#

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381 IN daddr_t bn;
382 OUT struct vnode **vpp;
383 IN daddr_t *bnp;
384 OUT int *runp;
385 OUT int *runb;
386};
387
388#
389#% strategy vp L L L
390#
391vop_strategy {
392 IN struct vnode *vp;
393 IN struct buf *bp;
394};
395
396#
397#% print vp = = =

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442#
443#% reallocblks vp L L L
444#
445vop_reallocblks {
446 IN struct vnode *vp;
447 IN struct cluster_save *buflist;
448};
449
450#
451#% getpages vp L L L
452#
453vop_getpages {
454 IN struct vnode *vp;
455 IN vm_page_t *m;
456 IN int count;
457 IN int reqpage;
458 IN vm_ooffset_t offset;
459};
460
461#
462#% putpages vp L L L
463#
464vop_putpages {
465 IN struct vnode *vp;
466 IN vm_page_t *m;
467 IN int count;
468 IN int sync;
469 IN int *rtvals;
470 IN vm_ooffset_t offset;
471};

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