#include <afsconfig.h>
#include "afs/param.h"
-RCSID
- ("$Header$");
#include "afs/sysincludes.h" /* Standard vendor system headers */
#include "afsincludes.h" /* Afs-based standard headers */
#endif
#include <sys/kobj.h>
-
+#include <sys/mount.h>
struct vfs *afs_globalVFS = 0;
struct vcache *afs_globalVp = 0;
-#if defined(AFS_SUN57_64BIT_ENV)
+#if defined(AFS_SUN5_64BIT_ENV)
extern struct sysent sysent32[];
#endif
int
afs_mount(struct vfs *afsp, struct vnode *amvp, struct mounta *uap,
- struct AFS_UCRED *credp)
+ afs_ucred_t *credp)
{
AFS_GLOCK();
return 0;
}
-#if defined(AFS_SUN58_ENV)
-int
-afs_unmount(struct vfs *afsp, int flag, struct AFS_UCRED *credp)
-#else
+static void
+afs_freevfs(void)
+{
+ int i;
+ struct vcache *vc, *nvc;
+ extern struct vcache *afs_vhashT[VCSIZE];
+
+ afs_globalVFS = 0;
+
+ afs_shutdown();
+}
+
int
-afs_unmount(struct vfs *afsp, struct AFS_UCRED *credp)
-#endif
+afs_unmount(struct vfs *afsp, int flag, afs_ucred_t *credp)
{
+ struct vcache *rootvp = NULL;
+
AFS_GLOCK();
AFS_STATCNT(afs_unmount);
AFS_GUNLOCK();
return (EPERM);
}
- afs_globalVFS = 0;
- afs_shutdown();
+
+ if (flag & MS_FORCE) {
+ AFS_GUNLOCK();
+ return ENOTSUP;
+ }
+
+ /* We should have one reference from the caller, and one reference for the
+ * root vnode; any more and someone is still referencing something */
+ if (afsp->vfs_count > 2) {
+ AFS_GUNLOCK();
+ return EBUSY;
+ }
+
+ /* The root vnode should have one ref for the mount; any more, and someone
+ * else is using the root vnode */
+ if (afs_globalVp && VREFCOUNT_GT(afs_globalVp, 1)) {
+ AFS_GUNLOCK();
+ return EBUSY;
+ }
+
+ afsp->vfs_flag |= VFS_UNMOUNTED;
+
+ /* release the root vnode, which should be the last reference to us
+ * besides the caller of afs_unmount */
+ rootvp = afs_globalVp;
+ afs_globalVp = NULL;
+ AFS_RELE(rootvp);
AFS_GUNLOCK();
return 0;
}
+void
+gafs_freevfs(struct vfs *afsp)
+{
+ AFS_GLOCK();
+
+ afs_freevfs();
+
+ AFS_GUNLOCK();
+}
+
int
afs_root(struct vfs *afsp, struct vnode **avpp)
{
- register afs_int32 code = 0;
+ afs_int32 code = 0;
struct vrequest treq;
- register struct vcache *tvp = 0;
+ struct vcache *tvp = 0;
struct vcache *gvp;
struct proc *proc = ttoproc(curthread);
struct vnode *vp = afsp->vfs_vnodecovered;
AFS_STATCNT(afs_root);
again:
- if (afs_globalVp && (afs_globalVp->states & CStatd)) {
+ if (afs_globalVp && (afs_globalVp->f.states & CStatd)) {
tvp = afs_globalVp;
} else {
if (MUTEX_HELD(&vp->v_lock)) {
}
}
if (tvp) {
- VN_HOLD(AFSTOV(tvp));
+ AFS_FAST_HOLD(tvp);
mutex_enter(&AFSTOV(tvp)->v_lock);
AFSTOV(tvp)->v_flag |= VROOT;
mutex_exit(&AFSTOV(tvp)->v_lock);
return code;
}
-#ifdef AFS_SUN56_ENV
int
afs_statvfs(struct vfs *afsp, struct statvfs64 *abp)
-#else
-int
-afs_statvfs(struct vfs *afsp, struct statvfs *abp)
-#endif
{
AFS_GLOCK();
}
int
-afs_sync(struct vfs *afsp, short flags, struct AFS_UCRED *credp)
+afs_sync(struct vfs *afsp, short flags, afs_ucred_t *credp)
{
return 0;
}
VFSNAME_SYNC, { .vfs_sync = afs_sync },
VFSNAME_VGET, { .vfs_vget = afs_vget },
VFSNAME_MOUNTROOT, { .vfs_mountroot = afs_mountroot },
- VFSNAME_FREEVFS, { .vfs_freevfs = fs_freevfs },
+ VFSNAME_FREEVFS, { .vfs_freevfs = gafs_freevfs },
NULL, NULL
};
struct vfsops *afs_vfsopsp;
VFSNAME_SYNC, afs_sync,
VFSNAME_VGET, afs_vget,
VFSNAME_MOUNTROOT, afs_mountroot,
- VFSNAME_FREEVFS, fs_freevfs,
+ VFSNAME_FREEVFS, gafs_freevfs,
NULL, NULL
};
struct vfsops *afs_vfsopsp;
afs_vget,
afs_mountroot,
afs_swapvp,
-#if defined(AFS_SUN58_ENV)
- fs_freevfs,
-#endif
+ gafs_freevfs,
};
#endif
sysent[SYS_setgroups].sy_callc = afs_xsetgroups;
sysent[SYS_ioctl].sy_call = afs_xioctl;
-#if defined(AFS_SUN57_64BIT_ENV)
+#if defined(AFS_SUN5_64BIT_ENV)
afs_orig_setgroups32 = sysent32[SYS_setgroups].sy_callc;
afs_orig_ioctl32 = sysent32[SYS_ioctl].sy_call;
sysent32[SYS_setgroups].sy_callc = afs_xsetgroups;
sysent32[SYS_ioctl].sy_call = afs_xioctl;
-#endif /* AFS_SUN57_64BIT_ENV */
+#endif /* AFS_SUN5_64BIT_ENV */
#ifdef AFS_SUN510_ENV
vfs_setfsops(fstype, afs_vfsops_template, &afs_vfsopsp);
};
#endif
+#ifndef AFS_SUN511_ENV
static struct sysent afssysent = {
6,
0,
Afs_syscall
};
+#endif /* AFS_SUN511_ENV */
/* inter-module dependencies */
char _depends_on[] = "drv/ip drv/udp strmod/rpcmod";
* Info/Structs to link the afs module into the kernel
*/
extern struct mod_ops mod_fsops;
-extern struct mod_ops mod_syscallops;
static struct modlfs afsmodlfs = {
&mod_fsops,
#endif
};
+#ifdef AFS_SUN511_ENV
+
+extern struct modldrv afs_modldrv;
+
+#else /* AFS_SUN511_ENV */
+
+extern struct mod_ops mod_syscallops;
static struct modlsys afsmodlsys = {
&mod_syscallops,
"afs syscall interface",
* land here from sysent or sysent32
*/
-#if defined(AFS_SUN57_64BIT_ENV)
+# if defined(AFS_SUN5_64BIT_ENV)
extern struct mod_ops mod_syscallops32;
static struct modlsys afsmodlsys32 = {
"afs syscall interface(32 bit)",
&afssysent
};
-#endif
+# endif
+#endif /* !AFS_SUN511_ENV */
static struct modlinkage afs_modlinkage = {
MODREV_1,
+ (void *)&afsmodlfs,
+#ifdef AFS_SUN511_ENV
+ (void *)&afs_modldrv,
+#else
(void *)&afsmodlsys,
-#ifdef AFS_SUN57_64BIT_ENV
+# ifdef AFS_SUN5_64BIT_ENV
(void *)&afsmodlsys32,
-#endif
- (void *)&afsmodlfs,
+# endif
+#endif /* !AFS_SUN511_ENV */
NULL
};
+static void
+reset_sysent(void)
+{
+ if (afs_sinited) {
+ sysent[SYS_setgroups].sy_callc = afs_orig_setgroups;
+ sysent[SYS_ioctl].sy_call = afs_orig_ioctl;
+#if defined(AFS_SUN5_64BIT_ENV)
+ sysent32[SYS_setgroups].sy_callc = afs_orig_setgroups32;
+ sysent32[SYS_ioctl].sy_call = afs_orig_ioctl32;
+#endif
+ }
+}
+
/** This is the function that modload calls when loading the afs kernel
* extensions. The solaris modload program searches for the _init
* function in a module and calls it when modloading
return (ENOSYS);
}
#ifndef AFS_NONFSTRANS
-#if defined(AFS_SUN55_ENV)
if ((!(mp = mod_find_by_filename("misc", "nfssrv"))
&& !(mp = mod_find_by_filename(NULL, NFSSRV))
- && !(mp = mod_find_by_filename(NULL, NFSSRV_V9))) || (mp
+ && !(mp = mod_find_by_filename(NULL, NFSSRV_V9))
+ && !(mp = mod_find_by_filename(NULL, NFSSRV_AMD64))) || (mp
&& !mp->
mod_installed))
{
("misc/nfssrv module must be loaded before loading afs with nfs-xlator\n");
return (ENOSYS);
}
-#else /* !AFS_SUN55_ENV */
-#if defined(AFS_SUN52_ENV)
- if ((!(mp = mod_find_by_filename("fs", "nfs"))
- && !(mp = mod_find_by_filename(NULL, "/kernel/fs/nfs"))
- && !(mp = mod_find_by_filename(NULL, "sys/nfs"))) || (mp
- && !mp->
- mod_installed))
- {
- printf
- ("fs/nfs module must be loaded before loading afs with nfs-xlator\n");
- return (ENOSYS);
- }
-#endif /* AFS_SUN52_ENV */
-#endif /* AFS_SUN55_ENV */
#endif /* !AFS_NONFSTRANS */
-#if !defined(AFS_SUN58_ENV)
- /*
- * Re-read the /etc/name_to_sysnum file to make sure afs isn't added after
- * reboot. Ideally we would like to call modctl_read_sysbinding_file() but
- * unfortunately in Solaris 2.2 it became a local function so we have to do
- * the read_binding_file() direct call with the appropriate text file and
- * system call hashtable. make_syscallname actually copies "afs" to the
- * proper slot entry and we also actually have to properly initialize the
- * global sysent[AFS_SYSCALL] entry!
- */
-#ifdef AFS_SUN53_ENV
-#ifndef SYSBINDFILE
-#define SYSBINDFILE "/etc/name_to_sysnum"
-#endif /* SYSBINDFILE */
- read_binding_file(SYSBINDFILE, sb_hashtab);
-#else /* !AFS_SUN53_ENV */
- read_binding_file(sysbind, sb_hashtab);
-#endif /* AFS_SUN53_ENV */
- make_syscallname("afs", AFS_SYSCALL);
-
- if (sysent[AFS_SYSCALL].sy_call == nosys) {
- if ((sysn = mod_getsysname(AFS_SYSCALL)) != NULL) {
- sysent[AFS_SYSCALL].sy_lock =
- (krwlock_t *) kobj_zalloc(sizeof(krwlock_t), KM_SLEEP);
- rw_init(sysent[AFS_SYSCALL].sy_lock, "afs_syscall",
-#ifdef AFS_SUN57_ENV
- RW_DEFAULT, NULL);
-#else /* !AFS_SUN57_ENV */
- RW_DEFAULT, DEFAULT_WT);
-#endif /* AFS_SUN57_ENV */
- }
- }
-#endif /* !AFS_SUN58_ENV */
+
osi_Init(); /* initialize global lock, etc */
code = mod_install(&afs_modlinkage);
+ if (code) {
+ /* we failed to load, so make sure we don't leave behind any
+ * references to our syscall handlers */
+ reset_sysent();
+ }
return code;
}
if (afs_globalVFS)
return EBUSY;
- if (afs_sinited) {
- sysent[SYS_setgroups].sy_callc = afs_orig_setgroups;
- sysent[SYS_ioctl].sy_call = afs_orig_ioctl;
-#if defined(AFS_SUN57_64BIT_ENV)
- sysent32[SYS_setgroups].sy_callc = afs_orig_setgroups32;
- sysent32[SYS_ioctl].sy_call = afs_orig_ioctl32;
-#endif
- }
+ reset_sysent();
code = mod_remove(&afs_modlinkage);
return code;
}
git://git.openafs.org / openafs.git / blobdiff