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-rw-r--r--sys/fs/hpfs/hpfs_vfsops.c545
1 files changed, 0 insertions, 545 deletions
diff --git a/sys/fs/hpfs/hpfs_vfsops.c b/sys/fs/hpfs/hpfs_vfsops.c
deleted file mode 100644
index edc37b2..0000000
--- a/sys/fs/hpfs/hpfs_vfsops.c
+++ /dev/null
@@ -1,545 +0,0 @@
-/*-
- * Copyright (c) 1998, 1999 Semen Ustimenko (semenu@FreeBSD.org)
- * All rights reserved.
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
- *
- * $FreeBSD$
- */
-
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/namei.h>
-#include <sys/conf.h>
-#include <sys/proc.h>
-#include <sys/kernel.h>
-#include <sys/vnode.h>
-#include <sys/mount.h>
-#include <sys/bio.h>
-#include <sys/buf.h>
-#include <sys/fcntl.h>
-#include <sys/malloc.h>
-
-#include <geom/geom.h>
-#include <geom/geom_vfs.h>
-
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-#include <vm/vm_page.h>
-#include <vm/vm_object.h>
-#include <vm/vm_extern.h>
-
-#include <fs/hpfs/hpfs.h>
-#include <fs/hpfs/hpfsmount.h>
-#include <fs/hpfs/hpfs_subr.h>
-
-MALLOC_DEFINE(M_HPFSMNT, "hpfs_mount", "HPFS mount structure");
-MALLOC_DEFINE(M_HPFSNO, "hpfs_node", "HPFS node structure");
-
-struct sockaddr;
-
-static int hpfs_mountfs(register struct vnode *, struct mount *,
- struct thread *);
-
-static vfs_fhtovp_t hpfs_fhtovp;
-static vfs_vget_t hpfs_vget;
-static vfs_cmount_t hpfs_cmount;
-static vfs_mount_t hpfs_mount;
-static vfs_root_t hpfs_root;
-static vfs_statfs_t hpfs_statfs;
-static vfs_unmount_t hpfs_unmount;
-
-static int
-hpfs_cmount (
- struct mntarg *ma,
- void *data,
- uint64_t flags)
-{
- struct hpfs_args args;
- struct export_args exp;
- int error;
-
- error = copyin(data, (caddr_t)&args, sizeof (struct hpfs_args));
- if (error)
- return (error);
- vfs_oexport_conv(&args.export, &exp);
-
- ma = mount_argsu(ma, "from", args.fspec, MAXPATHLEN);
- ma = mount_arg(ma, "export", &exp, sizeof(exp));
- ma = mount_argf(ma, "uid", "%d", args.uid);
- ma = mount_argf(ma, "gid", "%d", args.gid);
- ma = mount_argf(ma, "mode", "%d", args.mode);
- if (args.flags & HPFSMNT_TABLES) {
- ma = mount_arg(ma, "d2u", args.d2u, sizeof args.d2u);
- ma = mount_arg(ma, "u2d", args.u2d, sizeof args.u2d);
- }
-
- error = kernel_mount(ma, flags);
-
- return (error);
-}
-
-static const char *hpfs_opts[] = {
- "from", "export", "uid", "gid", "mode", "d2u", "u2d", NULL
-};
-
-static int
-hpfs_mount (struct mount *mp)
-{
- int err = 0, error;
- struct vnode *devvp;
- struct thread *td;
- struct nameidata ndp;
- struct export_args export;
- char *from;
-
- td = curthread;
- dprintf(("hpfs_omount():\n"));
- /*
- ***
- * Mounting non-root filesystem or updating a filesystem
- ***
- */
- if (vfs_filteropt(mp->mnt_optnew, hpfs_opts))
- return (EINVAL);
-
- from = vfs_getopts(mp->mnt_optnew, "from", &error);
- if (error)
- return (error);
-
- /*
- * If updating, check whether changing from read-only to
- * read/write; if there is no device name, that's all we do.
- */
- if (mp->mnt_flag & MNT_UPDATE) {
- dprintf(("hpfs_omount: MNT_UPDATE: "));
-
- if (from == NULL) {
- error = vfs_copyopt(mp->mnt_optnew, "export",
- &export, sizeof export);
- if (error)
- return (error);
- dprintf(("export 0x%x\n",args.export.ex_flags));
- err = vfs_export(mp, &export);
- if (err) {
- printf("hpfs_omount: vfs_export failed %d\n",
- err);
- }
- goto success;
- } else {
- dprintf(("name [FAILED]\n"));
- err = EINVAL;
- goto success;
- }
- dprintf(("\n"));
- }
-
- /*
- * Not an update, or updating the name: look up the name
- * and verify that it refers to a sensible block device.
- */
- NDINIT(&ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, from, td);
- err = namei(&ndp);
- if (err) {
- /* can't get devvp!*/
- goto error_1;
- }
-
- devvp = ndp.ni_vp;
-
- if (!vn_isdisk(devvp, &err)) {
- vput(devvp);
- return (err);
- }
-
- /*
- ********************
- * NEW MOUNT
- ********************
- */
-
- /*
- * Since this is a new mount, we want the names for
- * the device and the mount point copied in. If an
- * error occurs, the mountpoint is discarded by the
- * upper level code. Note that vfs_omount() handles
- * copying the mountpoint f_mntonname for us, so we
- * don't have to do it here unless we want to set it
- * to something other than "path" for some rason.
- */
- /* Save "mounted from" info for mount point (NULL pad)*/
- vfs_mountedfrom(mp, from);
-
- err = hpfs_mountfs(devvp, mp, td);
- if (err) {
- vrele(devvp);
- goto error_1;
- }
-
- goto success;
-
-error_1: /* no state to back out*/
- /* XXX: Missing NDFREE(&ndp, ...) */
-
-success:
- return( err);
-}
-
-/*
- * Common code for mount and mountroot
- */
-int
-hpfs_mountfs(devvp, mp, td)
- register struct vnode *devvp;
- struct mount *mp;
- struct thread *td;
-{
- int error, ronly, v;
- struct sublock *sup;
- struct spblock *spp;
- struct hpfsmount *hpmp;
- struct buf *bp = NULL;
- struct vnode *vp;
- struct cdev *dev = devvp->v_rdev;
- struct g_consumer *cp;
- struct bufobj *bo;
-
- if (mp->mnt_flag & MNT_ROOTFS)
- return (EOPNOTSUPP);
- dprintf(("hpfs_mountfs():\n"));
- ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
- /* XXX: use VOP_ACCESS to check FS perms */
- DROP_GIANT();
- g_topology_lock();
- error = g_vfs_open(devvp, &cp, "hpfs", ronly ? 0 : 1);
- g_topology_unlock();
- PICKUP_GIANT();
- VOP_UNLOCK(devvp, 0);
- if (error)
- return (error);
-
- bo = &devvp->v_bufobj;
- bo->bo_private = cp;
- bo->bo_ops = g_vfs_bufops;
-
- /*
- * Do actual mount
- */
- hpmp = malloc(sizeof(struct hpfsmount), M_HPFSMNT, M_WAITOK | M_ZERO);
-
- hpmp->hpm_cp = cp;
- hpmp->hpm_bo = bo;
-
- /* Read in SuperBlock */
- error = bread(devvp, SUBLOCK, SUSIZE, NOCRED, &bp);
- if (error)
- goto failed;
- bcopy(bp->b_data, &hpmp->hpm_su, sizeof(struct sublock));
- brelse(bp); bp = NULL;
-
- /* Read in SpareBlock */
- error = bread(devvp, SPBLOCK, SPSIZE, NOCRED, &bp);
- if (error)
- goto failed;
- bcopy(bp->b_data, &hpmp->hpm_sp, sizeof(struct spblock));
- brelse(bp); bp = NULL;
-
- sup = &hpmp->hpm_su;
- spp = &hpmp->hpm_sp;
-
- /* Check magic */
- if (sup->su_magic != SU_MAGIC) {
- printf("hpfs_mountfs: SuperBlock MAGIC DOESN'T MATCH\n");
- error = EINVAL;
- goto failed;
- }
- if (spp->sp_magic != SP_MAGIC) {
- printf("hpfs_mountfs: SpareBlock MAGIC DOESN'T MATCH\n");
- error = EINVAL;
- goto failed;
- }
-
- mp->mnt_data = hpmp;
- hpmp->hpm_devvp = devvp;
- hpmp->hpm_dev = devvp->v_rdev;
- hpmp->hpm_mp = mp;
- if (vfs_scanopt(mp->mnt_optnew, "uid", "%d", &v) == 1)
- hpmp->hpm_uid = v;
- if (vfs_scanopt(mp->mnt_optnew, "gid", "%d", &v) == 1)
- hpmp->hpm_gid = v;
- if (vfs_scanopt(mp->mnt_optnew, "mode", "%d", &v) == 1)
- hpmp->hpm_mode = v;
-
- error = hpfs_bminit(hpmp);
- if (error)
- goto failed;
-
- error = hpfs_cpinit(mp, hpmp);
- if (error) {
- hpfs_bmdeinit(hpmp);
- goto failed;
- }
-
- error = hpfs_root(mp, LK_EXCLUSIVE, &vp);
- if (error) {
- hpfs_cpdeinit(hpmp);
- hpfs_bmdeinit(hpmp);
- goto failed;
- }
-
- vput(vp);
-
- mp->mnt_stat.f_fsid.val[0] = (long)dev2udev(dev);
- mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
- mp->mnt_maxsymlinklen = 0;
- MNT_ILOCK(mp);
- mp->mnt_flag |= MNT_LOCAL;
- MNT_IUNLOCK(mp);
- return (0);
-
-failed:
- if (bp)
- brelse (bp);
- mp->mnt_data = NULL;
- DROP_GIANT();
- g_topology_lock();
- g_vfs_close(cp);
- g_topology_unlock();
- PICKUP_GIANT();
- return (error);
-}
-
-static int
-hpfs_unmount(
- struct mount *mp,
- int mntflags)
-{
- int error, flags;
- register struct hpfsmount *hpmp = VFSTOHPFS(mp);
-
- dprintf(("hpfs_unmount():\n"));
-
- flags = 0;
- if(mntflags & MNT_FORCE)
- flags |= FORCECLOSE;
-
- dprintf(("hpfs_unmount: vflushing...\n"));
-
- error = vflush(mp, 0, flags, curthread);
- if (error) {
- printf("hpfs_unmount: vflush failed: %d\n",error);
- return (error);
- }
-
- vinvalbuf(hpmp->hpm_devvp, V_SAVE, 0, 0);
- DROP_GIANT();
- g_topology_lock();
- g_vfs_close(hpmp->hpm_cp);
- g_topology_unlock();
- PICKUP_GIANT();
- vrele(hpmp->hpm_devvp);
-
- dprintf(("hpfs_umount: freeing memory...\n"));
- hpfs_cpdeinit(hpmp);
- hpfs_bmdeinit(hpmp);
- mp->mnt_data = NULL;
- MNT_ILOCK(mp);
- mp->mnt_flag &= ~MNT_LOCAL;
- MNT_IUNLOCK(mp);
- free(hpmp, M_HPFSMNT);
-
- return (0);
-}
-
-static int
-hpfs_root(
- struct mount *mp,
- int flags,
- struct vnode **vpp)
-{
- int error = 0;
- struct hpfsmount *hpmp = VFSTOHPFS(mp);
-
- dprintf(("hpfs_root():\n"));
- error = VFS_VGET(mp, (ino_t)hpmp->hpm_su.su_rootfno, LK_EXCLUSIVE, vpp);
- if(error) {
- printf("hpfs_root: VFS_VGET failed: %d\n",error);
- return (error);
- }
-
- return (error);
-}
-
-static int
-hpfs_statfs(
- struct mount *mp,
- struct statfs *sbp)
-{
- struct hpfsmount *hpmp = VFSTOHPFS(mp);
-
- dprintf(("hpfs_statfs(): HPFS%d.%d\n",
- hpmp->hpm_su.su_hpfsver, hpmp->hpm_su.su_fnctver));
-
- sbp->f_type = mp->mnt_vfc->vfc_typenum;
- sbp->f_bsize = DEV_BSIZE;
- sbp->f_iosize = DEV_BSIZE;
- sbp->f_blocks = hpmp->hpm_su.su_btotal;
- sbp->f_bfree = sbp->f_bavail = hpmp->hpm_bavail;
- sbp->f_ffree = 0;
- sbp->f_files = 0;
- sbp->f_flags = mp->mnt_flag;
-
- return (0);
-}
-
-/*ARGSUSED*/
-static int
-hpfs_fhtovp(
- struct mount *mp,
- struct fid *fhp,
- int flags,
- struct vnode **vpp)
-{
- struct vnode *nvp;
- struct hpfid *hpfhp = (struct hpfid *)fhp;
- int error;
-
- if ((error = VFS_VGET(mp, hpfhp->hpfid_ino, LK_EXCLUSIVE, &nvp)) != 0) {
- *vpp = NULLVP;
- return (error);
- }
- /* XXX as unlink/rmdir/mkdir/creat are not currently possible
- * with HPFS, we don't need to check anything else for now */
- *vpp = nvp;
-
- return (0);
-}
-
-static int
-hpfs_vget(
- struct mount *mp,
- ino_t ino,
- int flags,
- struct vnode **vpp)
-{
- struct hpfsmount *hpmp = VFSTOHPFS(mp);
- struct vnode *vp;
- struct hpfsnode *hp;
- struct buf *bp;
- int error;
-
- dprintf(("hpfs_vget(0x%x): ",ino));
-
- error = vfs_hash_get(mp, ino, flags, curthread, vpp, NULL, NULL);
- if (error || *vpp != NULL)
- return (error);
-
- *vpp = NULL;
- hp = NULL;
- vp = NULL;
-
- /*
- * We have to lock node creation for a while,
- * but then we have to call getnewvnode(),
- * this may cause hpfs_reclaim() to be called,
- * this may need to VOP_VGET() parent dir for
- * update reasons, and if parent is not in
- * hash, we have to lock node creation...
- * To solve this, we MALLOC, getnewvnode and init while
- * not locked (probability of node appearence
- * at that time is little, and anyway - we'll
- * check for it).
- */
- hp = malloc(sizeof(struct hpfsnode),
- M_HPFSNO, M_WAITOK);
-
- error = getnewvnode("hpfs", mp, &hpfs_vnodeops, &vp);
- if (error) {
- printf("hpfs_vget: can't get new vnode\n");
- free(hp, M_HPFSNO);
- return (error);
- }
-
- dprintf(("prenew "));
-
- vp->v_data = hp;
-
- if (ino == (ino_t)hpmp->hpm_su.su_rootfno)
- vp->v_vflag |= VV_ROOT;
-
-
- mtx_init(&hp->h_interlock, "hpfsnode interlock", NULL, MTX_DEF);
-
- hp->h_flag = H_INVAL;
- hp->h_vp = vp;
- hp->h_hpmp = hpmp;
- hp->h_no = ino;
- hp->h_dev = hpmp->hpm_dev;
- hp->h_uid = hpmp->hpm_uid;
- hp->h_gid = hpmp->hpm_uid;
- hp->h_mode = hpmp->hpm_mode;
- hp->h_devvp = hpmp->hpm_devvp;
-
- lockmgr(vp->v_vnlock, LK_EXCLUSIVE, NULL);
- error = insmntque(vp, mp);
- if (error != 0) {
- free(hp, M_HPFSNO);
- return (error);
- }
- error = vfs_hash_insert(vp, ino, flags, curthread, vpp, NULL, NULL);
- if (error || *vpp != NULL)
- return (error);
-
- error = bread(hpmp->hpm_devvp, ino, FNODESIZE, NOCRED, &bp);
- if (error) {
- printf("hpfs_vget: can't read ino %ju\n", (uintmax_t)ino);
- vput(vp);
- return (error);
- }
- bcopy(bp->b_data, &hp->h_fn, sizeof(struct fnode));
- brelse(bp);
-
- if (hp->h_fn.fn_magic != FN_MAGIC) {
- printf("hpfs_vget: MAGIC DOESN'T MATCH\n");
- vput(vp);
- return (EINVAL);
- }
-
- vp->v_type = hp->h_fn.fn_flag ? VDIR:VREG;
- hp->h_flag &= ~H_INVAL;
-
- *vpp = vp;
-
- return (0);
-}
-
-static struct vfsops hpfs_vfsops = {
- .vfs_fhtovp = hpfs_fhtovp,
- .vfs_cmount = hpfs_cmount,
- .vfs_mount = hpfs_mount,
- .vfs_root = hpfs_root,
- .vfs_statfs = hpfs_statfs,
- .vfs_unmount = hpfs_unmount,
- .vfs_vget = hpfs_vget,
-};
-VFS_SET(hpfs_vfsops, hpfs, 0);
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