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b40ce4165d
Note ALL MODULES MUST BE RECOMPILED make the kernel aware that there are smaller units of scheduling than the process. (but only allow one thread per process at this time). This is functionally equivalent to teh previousl -current except that there is a thread associated with each process. Sorry john! (your next MFC will be a doosie!) Reviewed by: peter@freebsd.org, dillon@freebsd.org X-MFC after: ha ha ha ha
103 lines
3.9 KiB
C
103 lines
3.9 KiB
C
/*
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* Copyright (c) 1999, 2000, 2001 Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NWFS_NODE_H_
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#define _NWFS_NODE_H_
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#define NWFS_ROOT_INO 0x7ffffffd
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/* Bits for nwnode.n_flag */
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#define NFLUSHINPROG 0x0001
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#define NFLUSHWANT 0x0002 /* they should gone ... */
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#define NMODIFIED 0x0004 /* bogus, until async IO implemented */
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#define NREFPARENT 0x0008 /* vnode holds reference to a parent vnode */
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#define NVOLUME 0x0010 /* vnode references a volume */
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#define NSHOULDFREE 0x0020 /* vnode should be removed from hash */
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struct nwnode {
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LIST_ENTRY(nwnode) n_hash;
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struct vnode *n_vnode;
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struct vattr n_vattr;
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struct nwmount *n_mount;
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time_t n_atime; /* attributes cache time*/
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time_t n_ctime;
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time_t n_mtime;
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int n_flag;
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ncpfid n_parent;
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ncpfid n_fid;
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u_long n_attr; /* LH */
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u_long n_size;
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u_long n_dosfid;
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int opened;
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/* int access;*/
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u_long n_origfh;
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ncp_fh n_fh;
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struct nw_search_seq n_seq;
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u_char n_nmlen;
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u_char n_name[256];
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};
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#define VTONW(vp) ((struct nwnode *)(vp)->v_data)
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#define NWTOV(np) ((struct vnode *)(np)->n_vnode)
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#define NWCMPF(f1,f2) ((f1)->f_parent == (f2)->f_parent && \
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(f1)->f_id == (f2)->f_id)
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#define NWCMPN(np1,np2) NWCMPF(&(np1)->n_fid, &(np2)->n_fid)
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#define NWCMPV(vp1,vp2) NWCMPN(VTONW(vp1),VTONW(vp2))
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struct vop_getpages_args;
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struct vop_inactive_args;
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struct vop_putpages_args;
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struct vop_reclaim_args;
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struct ucred;
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struct uio;
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void nwfs_hash_init(void);
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void nwfs_hash_free(void);
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int nwfs_lookupnp(struct nwmount *nmp, ncpfid fid, struct thread *td,
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struct nwnode **npp);
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int nwfs_inactive(struct vop_inactive_args *);
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int nwfs_reclaim(struct vop_reclaim_args *);
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int nwfs_nget(struct mount *mp, ncpfid fid, struct nw_entry_info *fap,
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struct vnode *dvp, struct vnode **vpp);
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int nwfs_getpages(struct vop_getpages_args *);
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int nwfs_putpages(struct vop_putpages_args *);
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int nwfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
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int nwfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
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void nwfs_attr_cacheenter(struct vnode *vp, struct nw_entry_info *fi);
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int nwfs_attr_cachelookup(struct vnode *vp,struct vattr *va);
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#define nwfs_attr_cacheremove(vp) VTONW(vp)->n_atime = 0
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#endif /* _NWFS_NODE_H_ */
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