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author | peter <peter@FreeBSD.org> | 2002-09-06 05:47:33 +0000 |
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committer | peter <peter@FreeBSD.org> | 2002-09-06 05:47:33 +0000 |
commit | 2bed7a35af87e9b4d91be3c4ec08533b124c72d8 (patch) | |
tree | 6fe59c278eda22cd03a19d5df9728516331e618a /sys/nfs | |
parent | bd35b3e920b014e6540d4a213a68f58f62b22af4 (diff) | |
download | FreeBSD-src-2bed7a35af87e9b4d91be3c4ec08533b124c72d8.zip FreeBSD-src-2bed7a35af87e9b4d91be3c4ec08533b124c72d8.tar.gz |
nfsnode.h was moved to ../nfsclient ages ago. I forgot to remove it here.
Diffstat (limited to 'sys/nfs')
-rw-r--r-- | sys/nfs/nfsnode.h | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/sys/nfs/nfsnode.h b/sys/nfs/nfsnode.h deleted file mode 100644 index e2a91dd..0000000 --- a/sys/nfs/nfsnode.h +++ /dev/null @@ -1,210 +0,0 @@ -/* - * Copyright (c) 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Rick Macklem at The University of Guelph. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 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. - * - * @(#)nfsnode.h 8.9 (Berkeley) 5/14/95 - * $FreeBSD$ - */ - - -#ifndef _NFS_NFSNODE_H_ -#define _NFS_NFSNODE_H_ - -#if !defined(_NFS_NFS_H_) && !defined(_KERNEL) -#include <nfs/nfs.h> -#endif - -/* - * Silly rename structure that hangs off the nfsnode until the name - * can be removed by nfs_inactive() - */ -struct sillyrename { - struct ucred *s_cred; - struct vnode *s_dvp; - long s_namlen; - char s_name[20]; -}; - -/* - * This structure is used to save the logical directory offset to - * NFS cookie mappings. - * The mappings are stored in a list headed - * by n_cookies, as required. - * There is one mapping for each NFS_DIRBLKSIZ bytes of directory information - * stored in increasing logical offset byte order. - */ -#define NFSNUMCOOKIES 31 - -struct nfsdmap { - LIST_ENTRY(nfsdmap) ndm_list; - int ndm_eocookie; - nfsuint64 ndm_cookies[NFSNUMCOOKIES]; -}; - -/* - * The nfsnode is the nfs equivalent to ufs's inode. Any similarity - * is purely coincidental. - * There is a unique nfsnode allocated for each active file, - * each current directory, each mounted-on file, text file, and the root. - * An nfsnode is 'named' by its file handle. (nget/nfs_node.c) - * If this structure exceeds 256 bytes (it is currently 256 using 4.4BSD-Lite - * type definitions), file handles of > 32 bytes should probably be split out - * into a separate MALLOC()'d data structure. (Reduce the size of nfsfh_t by - * changing the definition in nfsproto.h of NFS_SMALLFH.) - * NB: Hopefully the current order of the fields is such that everything will - * be well aligned and, therefore, tightly packed. - */ -struct nfsnode { - LIST_ENTRY(nfsnode) n_hash; /* Hash chain */ - TAILQ_ENTRY(nfsnode) n_timer; /* Nqnfs timer chain */ - u_quad_t n_size; /* Current size of file */ - u_quad_t n_brev; /* Modify rev when cached */ - u_quad_t n_lrev; /* Modify rev for lease */ - struct vattr n_vattr; /* Vnode attribute cache */ - time_t n_attrstamp; /* Attr. cache timestamp */ - u_int32_t n_mode; /* ACCESS mode cache */ - uid_t n_modeuid; /* credentials having mode */ - time_t n_modestamp; /* mode cache timestamp */ - time_t n_mtime; /* Prev modify time. */ - time_t n_ctime; /* Prev create time. */ - time_t n_expiry; /* Lease expiry time */ - nfsfh_t *n_fhp; /* NFS File Handle */ - struct vnode *n_vnode; /* associated vnode */ - struct lockf *n_lockf; /* Locking record of file */ - int n_error; /* Save write error value */ - union { - struct timespec nf_atim; /* Special file times */ - nfsuint64 nd_cookieverf; /* Cookie verifier (dir only) */ - } n_un1; - union { - struct timespec nf_mtim; - off_t nd_direof; /* Dir. EOF offset cache */ - } n_un2; - union { - struct sillyrename *nf_silly; /* Ptr to silly rename struct */ - LIST_HEAD(, nfsdmap) nd_cook; /* cookies */ - } n_un3; - short n_fhsize; /* size in bytes, of fh */ - short n_flag; /* Flag for locking.. */ - nfsfh_t n_fh; /* Small File Handle */ - struct lock n_rslock; -}; - -#define n_atim n_un1.nf_atim -#define n_mtim n_un2.nf_mtim -#define n_sillyrename n_un3.nf_silly -#define n_cookieverf n_un1.nd_cookieverf -#define n_direofoffset n_un2.nd_direof -#define n_cookies n_un3.nd_cook - -/* - * Flags for n_flag - */ -#define NFLUSHWANT 0x0001 /* Want wakeup from a flush in prog. */ -#define NFLUSHINPROG 0x0002 /* Avoid multiple calls to vinvalbuf() */ -#define NMODIFIED 0x0004 /* Might have a modified buffer in bio */ -#define NWRITEERR 0x0008 /* Flag write errors so close will know */ -#define NQNFSNONCACHE 0x0020 /* Non-cachable lease */ -#define NQNFSWRITE 0x0040 /* Write lease */ -#define NQNFSEVICTED 0x0080 /* Has been evicted */ -#define NACC 0x0100 /* Special file accessed */ -#define NUPD 0x0200 /* Special file updated */ -#define NCHG 0x0400 /* Special file times changed */ -#define NLOCKED 0x0800 /* node is locked */ -#define NWANTED 0x0100 /* someone wants to lock */ - -/* - * Convert between nfsnode pointers and vnode pointers - */ -#define VTONFS(vp) ((struct nfsnode *)(vp)->v_data) -#define NFSTOV(np) ((struct vnode *)(np)->n_vnode) - -/* - * Queue head for nfsiod's - */ -extern TAILQ_HEAD(nfs_bufq, buf) nfs_bufq; -extern struct proc *nfs_iodwant[NFS_MAXASYNCDAEMON]; -extern struct nfsmount *nfs_iodmount[NFS_MAXASYNCDAEMON]; - -#if defined(_KERNEL) - -/* - * nfs_rslock - Attempt to obtain lock on nfsnode - * - * Attempt to obtain a lock on the passed nfsnode, returning ENOLCK - * if the lock could not be obtained due to our having to sleep. This - * function is generally used to lock around code that modifies an - * NFS file's size. In order to avoid deadlocks the lock - * should not be obtained while other locks are being held. - */ - -static __inline -int -nfs_rslock(struct nfsnode *np, struct thread *td) -{ - return(lockmgr(&np->n_rslock, LK_EXCLUSIVE | LK_CANRECURSE | LK_SLEEPFAIL, NULL, td)); -} - -static __inline -void -nfs_rsunlock(struct nfsnode *np, struct thread *td) -{ - (void)lockmgr(&np->n_rslock, LK_RELEASE, NULL, td); -} - -extern vop_t **fifo_nfsv2nodeop_p; -extern vop_t **nfsv2_vnodeop_p; -extern vop_t **spec_nfsv2nodeop_p; - -/* - * Prototypes for NFS vnode operations - */ -int nfs_getpages(struct vop_getpages_args *); -int nfs_putpages(struct vop_putpages_args *); -int nfs_write(struct vop_write_args *); -int nqnfs_vop_lease_check(struct vop_lease_args *); -int nfs_inactive(struct vop_inactive_args *); -int nfs_reclaim(struct vop_reclaim_args *); - -/* other stuff */ -int nfs_removeit(struct sillyrename *); -int nfs_nget(struct mount *,nfsfh_t *,int,struct nfsnode **); -nfsuint64 *nfs_getcookie(struct nfsnode *, off_t, int); -void nfs_invaldir(struct vnode *); - -#define nqnfs_lease_updatetime nfs_lease_updatetime - -#endif /* _KERNEL */ - -#endif |