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fba90f2e03
freebsd-skq/sys/kern/vnode_if.src
rwatson fba90f2e03 Remove VOP_LEASE and supporting functions. This hasn't been used since 
the removal of NQNFS, but was left in in case it was required for NFSv4.
Since our new NFSv4 client and server can't use it for their
requirements, GC the old mechanism, as well as other unused lease-
related code and interfaces.

Due to its impact on kernel programming and binary interfaces, this
change should not be MFC'd.

Proposed by:    jeff
Reviewed by:    jeff
Discussed with: rmacklem, zach loafman @ isilon
2009-04-10 10:52:19 +00:00

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#-
# Copyright (c) 1992, 1993
# The Regents of the University of California. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 4. Neither the name of the University nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# @(#)vnode_if.src 8.12 (Berkeley) 5/14/95
# $FreeBSD$
#
#
# Above each of the vop descriptors in lines starting with %%
# is a specification of the locking protocol used by each vop call.
# The first column is the name of the variable, the remaining three
# columns are in, out and error respectively. The "in" column defines
# the lock state on input, the "out" column defines the state on succesful
# return, and the "error" column defines the locking state on error exit.
#
# The locking value can take the following values:
# L: locked; not converted to type of lock.
# A: any lock type.
# S: locked with shared lock.
# E: locked with exclusive lock for this process.
# O: locked with exclusive lock for other process.
# U: unlocked.
# -: not applicable. vnode does not yet (or no longer) exists.
# =: the same on input and output, may be either L or U.
# X: locked if not nil.
#
# The paramater named "vpp" is assumed to be always used with double
# indirection (**vpp) and that name is hard-codeed in vnode_if.awk !
#
# Lines starting with %! specify a pre or post-condition function
# to call before/after the vop call.
#
# If other such parameters are introduced, they have to be added to
# the AWK script at the head of the definition of "add_debug_code()".
#
vop_islocked {
IN struct vnode *vp;
};
%% lookup dvp L ? ?
%% lookup vpp - L -
%! lookup pre vop_lookup_pre
%! lookup post vop_lookup_post
# XXX - the lookup locking protocol defies simple description and depends
# on the flags and operation fields in the (cnp) structure. Note
# especially that *vpp may equal dvp and both may be locked.
vop_lookup {
IN struct vnode *dvp;
INOUT struct vnode **vpp;
IN struct componentname *cnp;
};
%% cachedlookup dvp L ? ?
%% cachedlookup vpp - L -
# This must be an exact copy of lookup. See kern/vfs_cache.c for details.
vop_cachedlookup {
IN struct vnode *dvp;
INOUT struct vnode **vpp;
IN struct componentname *cnp;
};
%% create dvp E E E
%% create vpp - L -
%! create post vop_create_post
vop_create {
IN struct vnode *dvp;
OUT struct vnode **vpp;
IN struct componentname *cnp;
IN struct vattr *vap;
};
%% whiteout dvp E E E
vop_whiteout {
IN struct vnode *dvp;
IN struct componentname *cnp;
IN int flags;
};
%% mknod dvp E E E
%% mknod vpp - L -
%! mknod post vop_mknod_post
vop_mknod {
IN struct vnode *dvp;
OUT struct vnode **vpp;
IN struct componentname *cnp;
IN struct vattr *vap;
};
%% open vp L L L
vop_open {
IN struct vnode *vp;
IN int mode;
IN struct ucred *cred;
IN struct thread *td;
IN struct file *fp;
};
%% close vp L L L
vop_close {
IN struct vnode *vp;
IN int fflag;
IN struct ucred *cred;
IN struct thread *td;
};
%% access vp L L L
vop_access {
IN struct vnode *vp;
IN accmode_t accmode;
IN struct ucred *cred;
IN struct thread *td;
};
%% getattr vp L L L
vop_getattr {
IN struct vnode *vp;
OUT struct vattr *vap;
IN struct ucred *cred;
};
%% setattr vp E E E
%! setattr post vop_setattr_post
vop_setattr {
IN struct vnode *vp;
IN struct vattr *vap;
IN struct ucred *cred;
};
%% markatime vp L L L
vop_markatime {
IN struct vnode *vp;
};
%% read vp L L L
vop_read {
IN struct vnode *vp;
INOUT struct uio *uio;
IN int ioflag;
IN struct ucred *cred;
};
%% write vp E E E
%! write pre VOP_WRITE_PRE
%! write post VOP_WRITE_POST
vop_write {
IN struct vnode *vp;
INOUT struct uio *uio;
IN int ioflag;
IN struct ucred *cred;
};
%% ioctl vp U U U
vop_ioctl {
IN struct vnode *vp;
IN u_long command;
IN void *data;
IN int fflag;
IN struct ucred *cred;
IN struct thread *td;
};
%% poll vp U U U
vop_poll {
IN struct vnode *vp;
IN int events;
IN struct ucred *cred;
IN struct thread *td;
};
%% kqfilter vp U U U
vop_kqfilter {
IN struct vnode *vp;
IN struct knote *kn;
};
%% revoke vp L L L
vop_revoke {
IN struct vnode *vp;
IN int flags;
};
%% fsync vp E E E
vop_fsync {
IN struct vnode *vp;
IN int waitfor;
IN struct thread *td;
};
%% remove dvp E E E
%% remove vp E E E
%! remove post vop_remove_post
vop_remove {
IN struct vnode *dvp;
IN struct vnode *vp;
IN struct componentname *cnp;
};
%% link tdvp E E E
%% link vp E E E
%! link post vop_link_post
vop_link {
IN struct vnode *tdvp;
IN struct vnode *vp;
IN struct componentname *cnp;
};
%! rename pre vop_rename_pre
%! rename post vop_rename_post
vop_rename {
IN WILLRELE struct vnode *fdvp;
IN WILLRELE struct vnode *fvp;
IN struct componentname *fcnp;
IN WILLRELE struct vnode *tdvp;
IN WILLRELE struct vnode *tvp;
IN struct componentname *tcnp;
};
%% mkdir dvp E E E
%% mkdir vpp - E -
%! mkdir post vop_mkdir_post
vop_mkdir {
IN struct vnode *dvp;
OUT struct vnode **vpp;
IN struct componentname *cnp;
IN struct vattr *vap;
};
%% rmdir dvp E E E
%% rmdir vp E E E
%! rmdir post vop_rmdir_post
vop_rmdir {
IN struct vnode *dvp;
IN struct vnode *vp;
IN struct componentname *cnp;
};
%% symlink dvp E E E
%% symlink vpp - E -
%! symlink post vop_symlink_post
vop_symlink {
IN struct vnode *dvp;
OUT struct vnode **vpp;
IN struct componentname *cnp;
IN struct vattr *vap;
IN char *target;
};
%% readdir vp L L L
vop_readdir {
IN struct vnode *vp;
INOUT struct uio *uio;
IN struct ucred *cred;
INOUT int *eofflag;
OUT int *ncookies;
INOUT u_long **cookies;
};
%% readlink vp L L L
vop_readlink {
IN struct vnode *vp;
INOUT struct uio *uio;
IN struct ucred *cred;
};
%% inactive vp E E E
vop_inactive {
IN struct vnode *vp;
IN struct thread *td;
};
%% reclaim vp E E E
vop_reclaim {
IN struct vnode *vp;
IN struct thread *td;
};
%! lock1 pre vop_lock_pre
%! lock1 post vop_lock_post
vop_lock1 {
IN struct vnode *vp;
IN int flags;
IN char *file;
IN int line;
};
%! unlock pre vop_unlock_pre
%! unlock post vop_unlock_post
vop_unlock {
IN struct vnode *vp;
IN int flags;
};
%% bmap vp L L L
vop_bmap {
IN struct vnode *vp;
IN daddr_t bn;
OUT struct bufobj **bop;
IN daddr_t *bnp;
OUT int *runp;
OUT int *runb;
};
%% strategy vp L L L
%! strategy pre vop_strategy_pre
vop_strategy {
IN struct vnode *vp;
IN struct buf *bp;
};
%% getwritemount vp = = =
vop_getwritemount {
IN struct vnode *vp;
OUT struct mount **mpp;
};
%% print vp - - -
vop_print {
IN struct vnode *vp;
};
%% pathconf vp L L L
vop_pathconf {
IN struct vnode *vp;
IN int name;
OUT register_t *retval;
};
%% advlock vp U U U
vop_advlock {
IN struct vnode *vp;
IN void *id;
IN int op;
IN struct flock *fl;
IN int flags;
};
%% advlockasync vp U U U
vop_advlockasync {
IN struct vnode *vp;
IN void *id;
IN int op;
IN struct flock *fl;
IN int flags;
IN struct task *task;
INOUT void **cookiep;
};
%% reallocblks vp E E E
vop_reallocblks {
IN struct vnode *vp;
IN struct cluster_save *buflist;
};
%% getpages vp L L L
vop_getpages {
IN struct vnode *vp;
IN vm_page_t *m;
IN int count;
IN int reqpage;
IN vm_ooffset_t offset;
};
%% putpages vp E E E
vop_putpages {
IN struct vnode *vp;
IN vm_page_t *m;
IN int count;
IN int sync;
IN int *rtvals;
IN vm_ooffset_t offset;
};
%% getacl vp L L L
vop_getacl {
IN struct vnode *vp;
IN acl_type_t type;
OUT struct acl *aclp;
IN struct ucred *cred;
IN struct thread *td;
};
%% setacl vp E E E
vop_setacl {
IN struct vnode *vp;
IN acl_type_t type;
IN struct acl *aclp;
IN struct ucred *cred;
IN struct thread *td;
};
%% aclcheck vp = = =
vop_aclcheck {
IN struct vnode *vp;
IN acl_type_t type;
IN struct acl *aclp;
IN struct ucred *cred;
IN struct thread *td;
};
%% closeextattr vp L L L
vop_closeextattr {
IN struct vnode *vp;
IN int commit;
IN struct ucred *cred;
IN struct thread *td;
};
%% getextattr vp L L L
vop_getextattr {
IN struct vnode *vp;
IN int attrnamespace;
IN const char *name;
INOUT struct uio *uio;
OUT size_t *size;
IN struct ucred *cred;
IN struct thread *td;
};
%% listextattr vp L L L
vop_listextattr {
IN struct vnode *vp;
IN int attrnamespace;
INOUT struct uio *uio;
OUT size_t *size;
IN struct ucred *cred;
IN struct thread *td;
};
%% openextattr vp L L L
vop_openextattr {
IN struct vnode *vp;
IN struct ucred *cred;
IN struct thread *td;
};
%% deleteextattr vp E E E
vop_deleteextattr {
IN struct vnode *vp;
IN int attrnamespace;
IN const char *name;
IN struct ucred *cred;
IN struct thread *td;
};
%% setextattr vp E E E
vop_setextattr {
IN struct vnode *vp;
IN int attrnamespace;
IN const char *name;
INOUT struct uio *uio;
IN struct ucred *cred;
IN struct thread *td;
};
%% setlabel vp E E E
vop_setlabel {
IN struct vnode *vp;
IN struct label *label;
IN struct ucred *cred;
IN struct thread *td;
};
%% vptofh vp = = =
vop_vptofh {
IN struct vnode *vp;
IN struct fid *fhp;
};
%% vptocnp vp L L L
%% vptocnp vpp - U -
vop_vptocnp {
IN struct vnode *vp;
OUT struct vnode **vpp;
INOUT char *buf;
INOUT int *buflen;
};
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