freebsd-20050429

Move module init/uninit code from module event handler to vfs ops
Use VFS_SET for FreeBSD 6.0
This commit is contained in:
Jim Rees 2005-04-29 19:24:01 +00:00
parent ff6259a9c4
commit 36957dd203
5 changed files with 72 additions and 50 deletions

View File

@ -19,23 +19,32 @@ RCSID
#include <sys/module.h>
#include <sys/sysproto.h>
#include <sys/syscall.h>
#include <sys/sysent.h>
extern struct vfsops afs_vfsops;
extern struct vnodeopv_desc afs_vnodeop_opv_desc;
extern struct mount *afs_globalVFS;
static struct vfsconf afs_vfsconf;
MALLOC_DEFINE(M_AFS, "afsmisc", "memory used by the AFS filesystem");
extern int afs3_syscall();
extern int Afs_xsetgroups();
extern int afs_xioctl();
#ifdef AFS_FBSD60_ENV
VFS_SET(afs_vfsops, afs, VFCF_NETWORK);
#else
int afs_module_handler(module_t mod, int what, void *arg);
static struct vfsconf afs_vfsconf;
static moduledata_t afs_mod = {
"afs",
afs_module_handler,
&afs_mod
};
DECLARE_MODULE(afs, afs_mod, SI_SUB_VFS, SI_ORDER_MIDDLE);
#endif
#ifndef AFS_FBSD60_ENV
int
afs_module_handler(module_t mod, int what, void *arg)
{
static sy_call_t *old_handler;
static int inited = 0;
int error = 0;
@ -46,12 +55,6 @@ afs_module_handler(module_t mod, int what, void *arg)
error = EBUSY;
break;
}
if (sysent[AFS_SYSCALL].sy_call != nosys
&& sysent[AFS_SYSCALL].sy_call != lkmnosys) {
printf("AFS_SYSCALL in use. aborting\n");
error = EBUSY;
break;
}
memset(&afs_vfsconf, 0, sizeof(struct vfsconf));
#ifdef AFS_FBSD53_ENV
afs_vfsconf.vfc_version = VFS_VERSION;
@ -63,14 +66,6 @@ afs_module_handler(module_t mod, int what, void *arg)
if ((error = vfs_register(&afs_vfsconf)) != 0)
break;
vfs_add_vnodeops(&afs_vnodeop_opv_desc);
osi_Init();
#if 0
sysent[SYS_setgroups].sy_call = Afs_xsetgroups;
sysent[SYS_ioctl].sy_call = afs_xioctl;
#endif
old_handler = sysent[AFS_SYSCALL].sy_call;
sysent[AFS_SYSCALL].sy_call = afs3_syscall;
sysent[AFS_SYSCALL].sy_narg = 5;
inited = 1;
break;
case MOD_UNLOAD:
@ -83,31 +78,13 @@ afs_module_handler(module_t mod, int what, void *arg)
error = 0;
break;
}
if (afs_globalVFS) {
error = EBUSY;
break;
}
if ((error = vfs_unregister(&afs_vfsconf)) != 0) {
break;
}
vfs_rm_vnodeops(&afs_vnodeop_opv_desc);
#if 0
sysent[SYS_ioctl].sy_call = ioctl;
sysent[SYS_setgroups].sy_call = setgroups;
#endif
sysent[AFS_SYSCALL].sy_narg = 0;
sysent[AFS_SYSCALL].sy_call = old_handler;
break;
}
return (error);
}
static moduledata_t afs_mod = {
"afs",
afs_module_handler,
&afs_mod
};
DECLARE_MODULE(afs, afs_mod, SI_SUB_VFS, SI_ORDER_MIDDLE);
#endif

View File

@ -24,6 +24,8 @@ extern void *osi_fbsd_alloc(size_t size, int dropglobal);
extern void osi_fbsd_free(void *p);
/* osi_vfsops.c */
int afs_init(struct vfsconf *vfc);
int afs_uninit(struct vfsconf *vfc);
#ifdef AFS_FBSD50_ENV
extern int afs_statfs(struct mount *mp, struct statfs *abp, struct thread *th);
#else

View File

@ -10,7 +10,10 @@ RCSID
#include <sys/malloc.h>
#include <sys/namei.h>
#include <sys/conf.h>
#include <sys/module.h>
#include <sys/sysproto.h>
#include <sys/syscall.h>
#include <sys/sysent.h>
struct vcache *afs_globalVp = NULL;
struct mount *afs_globalVFS = NULL;
@ -22,10 +25,50 @@ int afs_pbuf_freecnt = -1;
#define THREAD_OR_PROC struct proc *p
#endif
extern int afs3_syscall();
extern int Afs_xsetgroups();
extern int afs_xioctl();
static sy_call_t *old_handler;
int
afs_init(struct vfsconf *vfc)
{
if (sysent[AFS_SYSCALL].sy_call != nosys
&& sysent[AFS_SYSCALL].sy_call != lkmnosys) {
printf("AFS_SYSCALL in use. aborting\n");
return EBUSY;
}
osi_Init();
afs_pbuf_freecnt = nswbuf / 2 + 1;
#if 0
sysent[SYS_setgroups].sy_call = Afs_xsetgroups;
sysent[SYS_ioctl].sy_call = afs_xioctl;
#endif
old_handler = sysent[AFS_SYSCALL].sy_call;
sysent[AFS_SYSCALL].sy_call = afs3_syscall;
sysent[AFS_SYSCALL].sy_narg = 5;
return 0;
}
int
afs_uninit(struct vfsconf *vfc)
{
if (afs_globalVFS)
return EBUSY;
#if 0
sysent[SYS_ioctl].sy_call = ioctl;
sysent[SYS_setgroups].sy_call = setgroups;
#endif
sysent[AFS_SYSCALL].sy_narg = 0;
sysent[AFS_SYSCALL].sy_call = old_handler;
return 0;
}
int
afs_start(struct mount *mp, int flags, THREAD_OR_PROC)
{
afs_pbuf_freecnt = nswbuf / 2 + 1;
return (0); /* nothing to do. ? */
}
@ -228,12 +271,6 @@ afs_sync(struct mount *mp, int waitfor, struct ucred *cred, THREAD_OR_PROC)
return 0;
}
int
afs_init(struct vfsconf *vfc)
{
return 0;
}
#ifdef AFS_FBSD60_ENV
struct vfsops afs_vfsops = {
.vfs_init = afs_init,
@ -242,7 +279,7 @@ struct vfsops afs_vfsops = {
.vfs_root = afs_root,
.vfs_statfs = afs_statfs,
.vfs_sync = afs_sync,
.vfs_uninit = vfs_stduninit,
.vfs_uninit = afs_uninit,
.vfs_unmount = afs_unmount,
.vfs_sysctl = vfs_stdsysctl,
};
@ -263,7 +300,7 @@ struct vfsops afs_vfsops = {
vfs_stdcheckexp,
vfs_stdvptofh,
afs_init,
vfs_stduninit,
afs_uninit,
vfs_stdextattrctl,
#ifdef AFS_FBSD50_ENV
vfs_stdsysctl,

View File

@ -48,6 +48,10 @@ RCSID
* rather than an explicit lock.
*/
#ifdef AFS_FBSD60_ENV
#define VOP_GETVOBJECT(vp, objp) (*(objp) = (vp)->v_object)
#endif
#ifdef AFS_FBSD50_ENV
#define lock_vnode(v) vn_lock((v), LK_EXCLUSIVE | LK_RETRY, curthread)
#define unlock_vnode(v) VOP_UNLOCK((v), 0, curthread)

View File

@ -491,14 +491,16 @@ afs_vop_open(ap)
* } */ *ap;
{
int error;
int bad;
struct vcache *vc = VTOAFS(ap->a_vp);
bad = 0;
AFS_GLOCK();
error = afs_open(&vc, ap->a_mode, ap->a_cred);
#ifdef DIAGNOSTIC
if (AFSTOV(vc) != ap->a_vp)
panic("AFS open changed vnode!");
#endif
#ifdef AFS_FBSD60_ENV
vnode_create_vobject(ap->a_vp, vc->m.Length, ap->a_td);
#endif
osi_FlushPages(vc, ap->a_cred);
AFS_GUNLOCK();