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NetBSD/sys/coda/coda_vfsops.h

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* nuke the nameidata parameter from VFS_MOUNT(). Nobody on tech-kern knew what it was supposed to be used for and wrstuden gave a go-ahead * while rototilling, convert file systems which went easily to use VFS_PROTOS() instead of manually prototyping the methods
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/* $NetBSD: coda_vfsops.h,v 1.17 2007/07/31 21:14:19 pooka Exp $ */
Very Preliminary Coda
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/*
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*
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* Coda: an Experimental Distributed File System
* Release 3.1
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*
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* Copyright (c) 1987-1998 Carnegie Mellon University
* All Rights Reserved
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*
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* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation, and
* that credit is given to Carnegie Mellon University in all documents
* and publicity pertaining to direct or indirect use of this code or its
* derivatives.
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*
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* CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,
* SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS
* FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON
* DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER
* RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF
* ANY DERIVATIVE WORK.
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*
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* Carnegie Mellon encourages users of this software to return any
* improvements or extensions that they make, and to grant Carnegie
* Mellon the rights to redistribute these changes without encumbrance.
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*
* @(#) coda/coda_vfsops.h,v 1.1.1.1 1998/08/29 21:26:46 rvb Exp $
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*/
Very Preliminary Coda
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/*
* cfid structure:
* This overlays the fid structure (see vfs.h)
* Only used below and will probably go away.
*/
struct cfid {
u_short cfid_len;
u_short padding;
update for the protocol used by coda>=6, patches supplied by the coda-6.0.2 distribution, with small changes to support the old protocol optionally (options CODA_COMPAT_5)
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CodaFid cfid_fid;
Very Preliminary Coda
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};
struct mount;
Change cfs/CFS in symbols, strings and constants to coda/CODA to avoid fs conflicts.
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int coda_vfsopstats_init(void);
* nuke the nameidata parameter from VFS_MOUNT(). Nobody on tech-kern knew what it was supposed to be used for and wrstuden gave a go-ahead * while rototilling, convert file systems which went easily to use VFS_PROTOS() instead of manually prototyping the methods
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int coda_mount(struct mount *, const char *, void *, size_t *, struct lwp *);
merge ktrace-lwp.
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int coda_start(struct mount *, int, struct lwp *);
int coda_unmount(struct mount *, int, struct lwp *);
Undo part of the ktrace/lwp changes. In particular: * Remove the "lwp *" argument that was added to vget(). Turns out that nothing actually used it! * Remove the "lwp *" arguments that were added to VFS_ROOT(), VFS_VGET(), and VFS_FHTOVP(); all they did was pass it to vget() (which, as noted above, didn't use it). * Remove all of the "lwp *" arguments to internal functions that were added just to appease the above.
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int coda_root(struct mount *, struct vnode **);
merge ktrace-lwp.
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int coda_quotactl(struct mount *, int, uid_t, void *, struct lwp *);
int coda_nb_statvfs(struct mount *, struct statvfs *, struct lwp *);
integrate kauth.
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int coda_sync(struct mount *, int, kauth_cred_t, struct lwp *);
Undo part of the ktrace/lwp changes. In particular: * Remove the "lwp *" argument that was added to vget(). Turns out that nothing actually used it! * Remove the "lwp *" arguments that were added to VFS_ROOT(), VFS_VGET(), and VFS_FHTOVP(); all they did was pass it to vget() (which, as noted above, didn't use it). * Remove all of the "lwp *" arguments to internal functions that were added just to appease the above.
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int coda_vget(struct mount *, ino_t, struct vnode **);
Change cfs/CFS in symbols, strings and constants to coda/CODA to avoid fs conflicts.
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int coda_fhtovp(struct mount *, struct fid *, struct mbuf *, struct vnode **,
integrate kauth.
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int *, kauth_cred_t *);
Change cfs/CFS in symbols, strings and constants to coda/CODA to avoid fs conflicts.
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int coda_vptofh(struct vnode *, struct fid *);
void coda_init(void);
Add new VFS op routine - vfs_done and call it on filesystem detach in vfs_detach(). vfs_done may free global filesystem's resources, typically those allocated in respective filesystem's init function. Needed so those filesystems which went in via LKM have a chance to clean after themselves before unloading. This fixes random panics when LKM for filesystem using pools was loaded and unloaded several times. For each leaf filesystem, add appropriate vfs_done routine.
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void coda_done(void);
Change cfs/CFS in symbols, strings and constants to coda/CODA to avoid fs conflicts.
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int coda_sysctl(int *, u_int, void *, size_t *, void *, size_t,
merge ktrace-lwp.
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struct lwp *);
Very Preliminary Coda
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int getNewVnode(struct vnode **vpp);
Tweak sysctl setup functions (the macros, actually) for use in lkms, and tweak lkminit_*.c (where applicable) to call them, and to call sysctl_teardown() when being unloaded. This consists of (1) making setup functions not be static when being compiled as lkms (change to sys/sysctl.h), (2) making prototypes visible for the various setup functions in header files (changes to various header files), and (3) making simple "load" and "unload" functions in the actual lkminit stuff. linux_sysctl.c also needs its root exposed (ie, made not static) for this (when built as an lkm).
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#ifdef SYSCTL_SETUP_PROTO
SYSCTL_SETUP_PROTO(sysctl_vfs_coda_setup);
#endif /* SYSCTL_SETUP_PROTO */