3c2f5c3cc8
file servers fail to do it in the right way. New NFLUSHWIRE flag marks pending flush request(s). NB: not all cases covered by this commit. Obtained from: Darwin
102 lines
3.9 KiB
C
102 lines
3.9 KiB
C
/*
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* Copyright (c) 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 _FS_SMBFS_NODE_H_
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#define _FS_SMBFS_NODE_H_
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#define SMBFS_ROOT_INO 2 /* just like in UFS */
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/* Bits for smbnode.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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/*efine NNEW 0x0008*//* smb/vnode has been allocated */
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#define NREFPARENT 0x0010 /* node holds parent from recycling */
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#define NFLUSHWIRE 0x1000 /* pending flush request */
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struct smbfs_fctx;
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struct smbnode {
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#ifndef FB_CURRENT
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struct lock n_lock; /* smbnode lock. (mbf) */
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#endif
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int n_flag;
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struct smbnode * n_parent;
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struct vnode * n_vnode;
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struct smbmount * n_mount;
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time_t n_attrage; /* attributes cache time */
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/* time_t n_ctime;*/
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struct timespec n_mtime; /* modify time */
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struct timespec n_atime; /* last access time */
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u_quad_t n_size;
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long n_ino;
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int n_dosattr;
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int n_opencount;
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u_int16_t n_fid; /* file handle */
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int n_rwstate; /* granted access mode */
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u_char n_nmlen;
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u_char * n_name;
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struct smbfs_fctx * n_dirseq; /* ff context */
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long n_dirofs; /* last ff offset */
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struct lockf * n_lockf; /* Locking records of file */
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LIST_ENTRY(smbnode) n_hash;
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};
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#define VTOSMB(vp) ((struct smbnode *)(vp)->v_data)
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#define SMBTOV(np) ((struct vnode *)(np)->n_vnode)
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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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struct smbfattr;
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int smbfs_inactive(struct vop_inactive_args *);
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int smbfs_reclaim(struct vop_reclaim_args *);
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int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
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struct smbfattr *fap, struct vnode **vpp);
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u_int32_t smbfs_hash(const u_char *name, int nmlen);
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int smbfs_getpages(struct vop_getpages_args *);
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int smbfs_putpages(struct vop_putpages_args *);
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int smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
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int smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
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void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
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int smbfs_attr_cachelookup(struct vnode *vp ,struct vattr *va);
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#define smbfs_attr_cacheremove(vp) VTOSMB(vp)->n_attrage = 0
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#endif /* _FS_SMBFS_NODE_H_ */
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