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	Index: stable/7/sys/cddl/contrib/opensolaris
	===================================================================
	--- stable/7/sys/cddl/contrib/opensolaris (revision 288987)
	+++ stable/7/sys/cddl/contrib/opensolaris (revision 288988)

	Property changes on: stable/7/sys/cddl/contrib/opensolaris
	___________________________________________________________________
	Modified: svn:mergeinfo
	## -0,0 +0,1 ##
	Merged /head/sys/cddl/contrib/opensolaris:r286888
	Index: stable/7/sys/contrib/dev/acpica
	===================================================================
	--- stable/7/sys/contrib/dev/acpica (revision 288987)
	+++ stable/7/sys/contrib/dev/acpica (revision 288988)

	Property changes on: stable/7/sys/contrib/dev/acpica
	___________________________________________________________________
	Modified: svn:mergeinfo
	## -0,0 +0,1 ##
	Merged /head/sys/contrib/dev/acpica:r286888
	Index: stable/7/sys/contrib/pf
	===================================================================
	--- stable/7/sys/contrib/pf (revision 288987)
	+++ stable/7/sys/contrib/pf (revision 288988)

	Property changes on: stable/7/sys/contrib/pf
	___________________________________________________________________
	Modified: svn:mergeinfo
	## -0,0 +0,1 ##
	Merged /head/sys/contrib/pf:r286888
	Index: stable/7/sys/gnu/fs/reiserfs/reiserfs_vfsops.c
	===================================================================
	--- stable/7/sys/gnu/fs/reiserfs/reiserfs_vfsops.c (revision 288987)
	+++ stable/7/sys/gnu/fs/reiserfs/reiserfs_vfsops.c (revision 288988)
	@@ -1,1160 +1,1160 @@
	/*-
	* Copyright 2000 Hans Reiser
	* See README for licensing and copyright details
	*
	* Ported to FreeBSD by Jean-S饕astien P馘ron <jspedron@club-internet.fr>
	*
	* $FreeBSD$
	*/

	#include <gnu/fs/reiserfs/reiserfs_fs.h>

	const char reiserfs_3_5_magic_string[] = REISERFS_SUPER_MAGIC_STRING;
	const char reiserfs_3_6_magic_string[] = REISER2FS_SUPER_MAGIC_STRING;
	const char reiserfs_jr_magic_string[] = REISER2FS_JR_SUPER_MAGIC_STRING;

	/*
	* Default recommended I/O size is 128k. There might be broken
	* applications that are confused by this. Use nolargeio mount option to
	* get usual i/o size = PAGE_SIZE.
	*/
	int reiserfs_default_io_size = 128 * 1024;

	static vfs_cmount_t reiserfs_cmount;
	static vfs_fhtovp_t reiserfs_fhtovp;
	static vfs_mount_t reiserfs_mount;
	static vfs_root_t reiserfs_root;
	static vfs_statfs_t reiserfs_statfs;
	static vfs_unmount_t reiserfs_unmount;

	static int reiserfs_mountfs(struct vnode devvp, struct mount mp,
	struct thread *td);
	static void load_bitmap_info_data(struct reiserfs_sb_info *sbi,
	struct reiserfs_bitmap_info *bi);
	static int read_bitmaps(struct reiserfs_mount *rmp);
	static int read_old_bitmaps(struct reiserfs_mount *rmp);
	static int read_super_block(struct reiserfs_mount *rmp, int offset);
	static hashf_t hash_function(struct reiserfs_mount *rmp);

	static int get_root_node(struct reiserfs_mount *rmp,
	struct reiserfs_node **root);
	uint32_t find_hash_out(struct reiserfs_mount *rmp);

	MALLOC_DEFINE(M_REISERFSMNT, "reiserfs_mount", "ReiserFS mount structure");
	MALLOC_DEFINE(M_REISERFSPATH, "reiserfs_path", "ReiserFS path structure");
	MALLOC_DEFINE(M_REISERFSNODE, "reiserfs_node", "ReiserFS vnode private part");

	/* -------------------------------------------------------------------
	* VFS operations
	* -------------------------------------------------------------------*/

	static int
	reiserfs_cmount(struct mntarg ma, void data, int flags, struct thread *td)
	{
	struct reiserfs_args args;
	int error;

	error = copyin(data, &args, sizeof(args));
	if (error)
	return (error);

	ma = mount_argsu(ma, "from", args.fspec, MAXPATHLEN);
	ma = mount_arg(ma, "export", &args.export, sizeof args.export);

	error = kernel_mount(ma, flags);

	return (error);
	}

	/*
	* Mount system call
	*/
	static int
	reiserfs_mount(struct mount mp, struct thread td)
	{
	size_t size;
	int error, len;
	mode_t accessmode;
	char path, fspec;
	struct vnode *devvp;
	struct vfsoptlist *opts;
	struct reiserfs_mount *rmp;
	struct reiserfs_sb_info *sbi;
	struct nameidata nd, *ndp = &nd;

	if (!(mp->mnt_flag & MNT_RDONLY))
	return EROFS;

	/* Get the new options passed to mount */
	opts = mp->mnt_optnew;

	/* `fspath' contains the mount point (eg. /mnt/linux); REQUIRED */
	vfs_getopt(opts, "fspath", (void **)&path, NULL);
	reiserfs_log(LOG_INFO, "mount point is `%s'\n", path);

	/* `from' contains the device name (eg. /dev/ad0s1); REQUIRED */
	fspec = NULL;
	error = vfs_getopt(opts, "from", (void **)&fspec, &len);
	if (!error && fspec[len - 1] != '\0')
	return (EINVAL);
	reiserfs_log(LOG_INFO, "device is `%s'\n", fspec);

	/* Handle MNT_UPDATE (mp->mnt_flag) */
	if (mp->mnt_flag & MNT_UPDATE) {
	/* For now, only NFS export is supported. */
	if (vfs_flagopt(opts, "export", NULL, 0))
	return (0);
	}

	/* Not an update, or updating the name: look up the name
	* and verify that it refers to a sensible disk device. */
	if (fspec == NULL)
	return (EINVAL);

	NDINIT(ndp, LOOKUP, FOLLOW \| LOCKLEAF, UIO_SYSSPACE, fspec, td);
	if ((error = namei(ndp)) != 0)
	return (error);
	NDFREE(ndp, NDF_ONLY_PNBUF);
	devvp = ndp->ni_vp;

	if (!vn_isdisk(devvp, &error)) {
	vput(devvp);
	return (error);
	}

	/* If mount by non-root, then verify that user has necessary
	* permissions on the device. */
	accessmode = VREAD;
	if ((mp->mnt_flag & MNT_RDONLY) == 0)
	accessmode \|= VWRITE;
	error = VOP_ACCESS(devvp, accessmode, td->td_ucred, td);
	if (error)
	error = priv_check(td, PRIV_VFS_MOUNT_PERM);
	if (error) {
	vput(devvp);
	return (error);
	}

	if ((mp->mnt_flag & MNT_UPDATE) == 0) {
	error = reiserfs_mountfs(devvp, mp, td);
	} else {
	/* TODO Handle MNT_UPDATE */
	vput(devvp);
	return (EOPNOTSUPP);
	}

	if (error) {
	vrele(devvp);
	return (error);
	}

	rmp = VFSTOREISERFS(mp);
	sbi = rmp->rm_reiserfs;

	/*
	* Note that this strncpy() is ok because of a check at the start
	* of reiserfs_mount().
	*/
	reiserfs_log(LOG_DEBUG, "prepare statfs data\n");
	(void)copystr(fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1, &size);
	bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
	(void)reiserfs_statfs(mp, &mp->mnt_stat, td);

	reiserfs_log(LOG_DEBUG, "done\n");
	return (0);
	}

	/*
	* Unmount system call
	*/
	static int
	reiserfs_unmount(struct mount mp, int mntflags, struct thread td)
	{
	int error, flags = 0;
	struct reiserfs_mount *rmp;
	struct reiserfs_sb_info *sbi;

	reiserfs_log(LOG_DEBUG, "get private data\n");
	rmp = VFSTOREISERFS(mp);
	sbi = rmp->rm_reiserfs;

	/* Flangs handling */
	reiserfs_log(LOG_DEBUG, "handle mntflags\n");
	if (mntflags & MNT_FORCE)
	flags \|= FORCECLOSE;

	/* Flush files -> vflush */
	reiserfs_log(LOG_DEBUG, "flush vnodes\n");
	if ((error = vflush(mp, 0, flags, td)))
	return (error);

	/* XXX Super block update */

	if (sbi) {
	if (SB_AP_BITMAP(sbi)) {
	int i;
	reiserfs_log(LOG_DEBUG,
	"release bitmap buffers (total: %d)\n",
	SB_BMAP_NR(sbi));
	for (i = 0; i < SB_BMAP_NR(sbi); i++) {
	if (SB_AP_BITMAP(sbi)[i].bp_data) {
	free(SB_AP_BITMAP(sbi)[i].bp_data,
	M_REISERFSMNT);
	SB_AP_BITMAP(sbi)[i].bp_data = NULL;
	}
	}

	reiserfs_log(LOG_DEBUG, "free bitmaps structure\n");
	free(SB_AP_BITMAP(sbi), M_REISERFSMNT);
	SB_AP_BITMAP(sbi) = NULL;
	}

	if (sbi->s_rs) {
	reiserfs_log(LOG_DEBUG, "free super block data\n");
	free(sbi->s_rs, M_REISERFSMNT);
	sbi->s_rs = NULL;
	}
	}

	reiserfs_log(LOG_DEBUG, "close device\n");
	#if defined(si_mountpoint)
	rmp->rm_devvp->v_rdev->si_mountpoint = NULL;
	#endif

	DROP_GIANT();
	g_topology_lock();
	g_wither_geom_close(rmp->rm_cp->geom, ENXIO);
	g_topology_unlock();
	PICKUP_GIANT();
	vrele(rmp->rm_devvp);

	if (sbi) {
	reiserfs_log(LOG_DEBUG, "free sbi\n");
	free(sbi, M_REISERFSMNT);
	sbi = rmp->rm_reiserfs = NULL;
	}
	if (rmp) {
	reiserfs_log(LOG_DEBUG, "free rmp\n");
	free(rmp, M_REISERFSMNT);
	rmp = NULL;
	}

	mp->mnt_data = (qaddr_t)0;
	MNT_ILOCK(mp);
	mp->mnt_flag &= ~MNT_LOCAL;
	MNT_IUNLOCK(mp);

	reiserfs_log(LOG_DEBUG, "done\n");
	return (error);
	}

	/*
	* Return the root of a filesystem.
	*/
	static int
	reiserfs_root(struct mount mp, int flags, struct vnode *vpp,
	struct thread *td)
	{
	int error;
	struct vnode *vp;
	struct cpu_key rootkey;

	rootkey.on_disk_key.k_dir_id = REISERFS_ROOT_PARENT_OBJECTID;
	rootkey.on_disk_key.k_objectid = REISERFS_ROOT_OBJECTID;

	error = reiserfs_iget(mp, &rootkey, &vp, td);

	if (error == 0)
	*vpp = vp;
	return (error);
	}

	/*
	* The statfs syscall
	*/
	static int
	reiserfs_statfs(struct mount mp, struct statfs sbp, struct thread *td)
	{
	struct reiserfs_mount *rmp;
	struct reiserfs_sb_info *sbi;
	struct reiserfs_super_block *rs;

	reiserfs_log(LOG_DEBUG, "get private data\n");
	rmp = VFSTOREISERFS(mp);
	sbi = rmp->rm_reiserfs;
	rs = sbi->s_rs;

	reiserfs_log(LOG_DEBUG, "fill statfs structure\n");
	sbp->f_bsize = sbi->s_blocksize;
	sbp->f_iosize = sbp->f_bsize;
	sbp->f_blocks = sb_block_count(rs) - sb_bmap_nr(rs) - 1;
	sbp->f_bfree = sb_free_blocks(rs);
	sbp->f_bavail = sbp->f_bfree;
	sbp->f_files = 0;
	sbp->f_ffree = 0;
	reiserfs_log(LOG_DEBUG, " block size = %ju\n",
	(intmax_t)sbp->f_bsize);
	reiserfs_log(LOG_DEBUG, " IO size = %ju\n",
	(intmax_t)sbp->f_iosize);
	reiserfs_log(LOG_DEBUG, " block count = %ju\n",
	(intmax_t)sbp->f_blocks);
	reiserfs_log(LOG_DEBUG, " free blocks = %ju\n",
	(intmax_t)sbp->f_bfree);
	reiserfs_log(LOG_DEBUG, " avail blocks = %ju\n",
	(intmax_t)sbp->f_bavail);
	reiserfs_log(LOG_DEBUG, "...done\n");

	if (sbp != &mp->mnt_stat) {
	reiserfs_log(LOG_DEBUG, "copying monut point info\n");
	sbp->f_type = mp->mnt_vfc->vfc_typenum;
	bcopy((caddr_t)mp->mnt_stat.f_mntonname,
	(caddr_t)&sbp->f_mntonname[0], MNAMELEN);
	bcopy((caddr_t)mp->mnt_stat.f_mntfromname,
	(caddr_t)&sbp->f_mntfromname[0], MNAMELEN);
	reiserfs_log(LOG_DEBUG, " mount from: %s\n",
	sbp->f_mntfromname);
	reiserfs_log(LOG_DEBUG, " mount on: %s\n",
	sbp->f_mntonname);
	reiserfs_log(LOG_DEBUG, "...done\n");
	}

	return (0);
	}

	/*
	* File handle to vnode
	*
	* Have to be really careful about stale file handles:
	* - check that the inode key is valid
	* - call ffs_vget() to get the locked inode
	* - check for an unallocated inode (i_mode == 0)
	* - check that the given client host has export rights and return
	* those rights via. exflagsp and credanonp
	*/
	static int
	reiserfs_fhtovp(struct mount mp, struct fid fhp, struct vnode **vpp)
	{
	int error;
	struct rfid *rfhp;
	struct vnode *nvp;
	struct cpu_key key;
	struct reiserfs_node *ip;
	struct reiserfs_sb_info *sbi;
	struct thread *td = curthread;

	rfhp = (struct rfid *)fhp;
	sbi = VFSTOREISERFS(mp)->rm_reiserfs;

	/* Check that the key is valid */
	if (rfhp->rfid_dirid < REISERFS_ROOT_PARENT_OBJECTID &&
	rfhp->rfid_objectid < REISERFS_ROOT_OBJECTID)
	return (ESTALE);

	reiserfs_log(LOG_DEBUG,
	"file handle key is (dirid=%d, objectid=%d)\n",
	rfhp->rfid_dirid, rfhp->rfid_objectid);
	key.on_disk_key.k_dir_id = rfhp->rfid_dirid;
	key.on_disk_key.k_objectid = rfhp->rfid_objectid;

	reiserfs_log(LOG_DEBUG, "read this inode\n");
	error = reiserfs_iget(mp, &key, &nvp, td);
	if (error) {
	*vpp = NULLVP;
	return (error);
	}

	reiserfs_log(LOG_DEBUG, "check validity\n");
	ip = VTOI(nvp);
	if (ip->i_mode == 0 \|\| ip->i_generation != rfhp->rfid_gen) {
	vput(nvp);
	*vpp = NULLVP;
	return (ESTALE);
	}

	reiserfs_log(LOG_DEBUG, "return it\n");
	*vpp = nvp;
	return (0);
	}

	/* -------------------------------------------------------------------
	* Functions for the journal
	* -------------------------------------------------------------------*/

	int
	is_reiserfs_3_5(struct reiserfs_super_block *rs)
	{

	return (!strncmp(rs->s_v1.s_magic, reiserfs_3_5_magic_string,
	strlen(reiserfs_3_5_magic_string)));
	}

	int
	is_reiserfs_3_6(struct reiserfs_super_block *rs)
	{

	return (!strncmp(rs->s_v1.s_magic, reiserfs_3_6_magic_string,
	strlen(reiserfs_3_6_magic_string)));
	}

	int
	is_reiserfs_jr(struct reiserfs_super_block *rs)
	{

	return (!strncmp(rs->s_v1.s_magic, reiserfs_jr_magic_string,
	strlen(reiserfs_jr_magic_string)));
	}

	static int
	is_any_reiserfs_magic_string(struct reiserfs_super_block *rs)
	{

	return ((is_reiserfs_3_5(rs) \|\| is_reiserfs_3_6(rs) \|\|
	is_reiserfs_jr(rs)));
	}

	/* -------------------------------------------------------------------
	* Internal functions
	* -------------------------------------------------------------------*/

	/*
	* Common code for mount and mountroot
	*/
	static int
	reiserfs_mountfs(struct vnode devvp, struct mount mp, struct thread *td)
	{
	int error, old_format = 0;
	struct reiserfs_mount *rmp;
	struct reiserfs_sb_info *sbi;
	struct reiserfs_super_block *rs;
	struct cdev *dev = devvp->v_rdev;

	#if (__FreeBSD_version >= 600000)
	struct g_consumer *cp;
	struct bufobj *bo;
	#endif

	//ronly = (mp->mnt_flag & MNT_RDONLY) != 0;

	#if (__FreeBSD_version < 600000)
	/*
	* Disallow multiple mounts of the same device.
	* Disallow mounting of a device that is currently in use
	* (except for root, which might share swap device for miniroot).
	* Flush out any old buffers remaining from a previous use.
	*/
	if ((error = vfs_mountedon(devvp)) != 0)
	return (error);
	if (vcount(devvp) > 1)
	return (EBUSY);

	error = vinvalbuf(devvp, V_SAVE, td->td_ucred, td, 0, 0);
	if (error) {
	VOP_UNLOCK(devvp, 0, td);
	return (error);
	}

	/*
	* Open the device in read-only, 'cause we don't support write
	* for now
	*/
	error = VOP_OPEN(devvp, FREAD, FSCRED, td, NULL);
	VOP_UNLOCK(devvp, 0, td);
	if (error)
	return (error);
	#else
	DROP_GIANT();
	g_topology_lock();
	error = g_vfs_open(devvp, &cp, "reiserfs", /* read-only */ 0);
	g_topology_unlock();
	PICKUP_GIANT();
	VOP_UNLOCK(devvp, 0, td);
	if (error)
	return (error);

	bo = &devvp->v_bufobj;
	bo->bo_private = cp;
	bo->bo_ops = g_vfs_bufops;
	#endif

	if (devvp->v_rdev->si_iosize_max != 0)
	mp->mnt_iosize_max = devvp->v_rdev->si_iosize_max;
	if (mp->mnt_iosize_max > MAXPHYS)
	mp->mnt_iosize_max = MAXPHYS;

	rmp = NULL;
	sbi = NULL;

	/* rmp contains any information about this specific mount */
	rmp = malloc(sizeof *rmp, M_REISERFSMNT, M_WAITOK \| M_ZERO);
	if (!rmp) {
	error = (ENOMEM);
	goto out;
	}
	sbi = malloc(sizeof *sbi, M_REISERFSMNT, M_WAITOK \| M_ZERO);
	if (!sbi) {
	error = (ENOMEM);
	goto out;
	}
	rmp->rm_reiserfs = sbi;
	rmp->rm_mountp = mp;
	rmp->rm_devvp = devvp;
	rmp->rm_dev = dev;
	#if (__FreeBSD_version >= 600000)
	rmp->rm_bo = &devvp->v_bufobj;
	rmp->rm_cp = cp;
	#endif

	/* Set default values for options: non-aggressive tails */
	REISERFS_SB(sbi)->s_mount_opt = (1 << REISERFS_SMALLTAIL);
	REISERFS_SB(sbi)->s_rd_only = 1;
	REISERFS_SB(sbi)->s_devvp = devvp;

	/* Read the super block */
	if ((error = read_super_block(rmp, REISERFS_OLD_DISK_OFFSET)) == 0) {
	/* The read process succeeded, it's an old format */
	old_format = 1;
	} else if ((error = read_super_block(rmp, REISERFS_DISK_OFFSET)) != 0) {
	reiserfs_log(LOG_ERR, "can not find a ReiserFS filesystem\n");
	goto out;
	}

	rs = SB_DISK_SUPER_BLOCK(sbi);

	/*
	* Let's do basic sanity check to verify that underlying device is
	* not smaller than the filesystem. If the check fails then abort and
	* scream, because bad stuff will happen otherwise.
	*/
	#if 0
	if (s->s_bdev && s->s_bdev->bd_inode &&
	i_size_read(s->s_bdev->bd_inode) <
	sb_block_count(rs) * sb_blocksize(rs)) {
	reiserfs_log(LOG_ERR,
	"reiserfs: filesystem cannot be mounted because it is "
	"bigger than the device.\n");
	reiserfs_log(LOG_ERR, "reiserfs: you may need to run fsck "
	"rr may be you forgot to reboot after fdisk when it "
	"told you to.\n");
	goto out;
	}
	#endif

	/*
	* XXX This is from the original Linux code, but why affecting 2 values
	* to the same variable?
	*/
	sbi->s_mount_state = SB_REISERFS_STATE(sbi);
	sbi->s_mount_state = REISERFS_VALID_FS;

	if ((error = (old_format ?
	read_old_bitmaps(rmp) : read_bitmaps(rmp)))) {
	reiserfs_log(LOG_ERR, "unable to read bitmap\n");
	goto out;
	}

	/* Make data=ordered the default */
	if (!reiserfs_data_log(sbi) && !reiserfs_data_ordered(sbi) &&
	!reiserfs_data_writeback(sbi)) {
	REISERFS_SB(sbi)->s_mount_opt \|= (1 << REISERFS_DATA_ORDERED);
	}

	if (reiserfs_data_log(sbi)) {
	reiserfs_log(LOG_INFO, "using journaled data mode\n");
	} else if (reiserfs_data_ordered(sbi)) {
	reiserfs_log(LOG_INFO, "using ordered data mode\n");
	} else {
	reiserfs_log(LOG_INFO, "using writeback data mode\n");
	}

	/* TODO Not yet supported */
	#if 0
	if(journal_init(sbi, jdev_name, old_format, commit_max_age)) {
	reiserfs_log(LOG_ERR, "unable to initialize journal space\n");
	goto out;
	} else {
	jinit_done = 1 ; /* once this is set, journal_release must
	be called if we error out of the mount */
	}

	if (reread_meta_blocks(sbi)) {
	reiserfs_log(LOG_ERR,
	"unable to reread meta blocks after journal init\n");
	goto out;
	}
	#endif

	/* Define and initialize hash function */
	sbi->s_hash_function = hash_function(rmp);

	if (sbi->s_hash_function == NULL) {
	reiserfs_log(LOG_ERR, "couldn't determined hash function\n");
	error = (EINVAL);
	goto out;
	}

	if (is_reiserfs_3_5(rs) \|\|
	(is_reiserfs_jr(rs) && SB_VERSION(sbi) == REISERFS_VERSION_1))
	bit_set(&(sbi->s_properties), REISERFS_3_5);
	else
	bit_set(&(sbi->s_properties), REISERFS_3_6);

	mp->mnt_data = (qaddr_t)rmp;
	mp->mnt_stat.f_fsid.val[0] = dev2udev(dev);
	mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
	MNT_ILOCK(mp);
	mp->mnt_flag \|= MNT_LOCAL;
	MNT_IUNLOCK(mp);
	#if defined(si_mountpoint)
	devvp->v_rdev->si_mountpoint = mp;
	#endif

	return (0);

	out:
	reiserfs_log(LOG_INFO, "* error during mount *\n");
	if (sbi) {
	if (SB_AP_BITMAP(sbi)) {
	int i;
	for (i = 0; i < SB_BMAP_NR(sbi); i++) {
	if (!SB_AP_BITMAP(sbi)[i].bp_data)
	break;
	free(SB_AP_BITMAP(sbi)[i].bp_data, M_REISERFSMNT);
	}
	free(SB_AP_BITMAP(sbi), M_REISERFSMNT);
	}

	if (sbi->s_rs) {
	free(sbi->s_rs, M_REISERFSMNT);
	sbi->s_rs = NULL;
	}
	}

	#if (__FreeBSD_version < 600000)
	(void)VOP_CLOSE(devvp, FREAD, NOCRED, td);
	#else
	if (cp != NULL) {
	DROP_GIANT();
	g_topology_lock();
	g_wither_geom_close(cp->geom, ENXIO);
	g_topology_unlock();
	PICKUP_GIANT();
	}
	#endif

	if (sbi)
	free(sbi, M_REISERFSMNT);
	if (rmp)
	free(rmp, M_REISERFSMNT);
	return (error);
	}

	/*
	* Read the super block
	*/
	static int
	read_super_block(struct reiserfs_mount *rmp, int offset)
	{
	struct buf *bp;
	int error, bits;
	struct reiserfs_super_block *rs;
	struct reiserfs_sb_info *sbi;
	uint16_t fs_blocksize;

	if (offset == REISERFS_OLD_DISK_OFFSET) {
	reiserfs_log(LOG_DEBUG,
	"reiserfs/super: read old format super block\n");
	} else {
	reiserfs_log(LOG_DEBUG,
	"reiserfs/super: read new format super block\n");
	}

	/* Read the super block */
	if ((error = bread(rmp->rm_devvp, offset * btodb(REISERFS_BSIZE),
	REISERFS_BSIZE, NOCRED, &bp)) != 0) {
	reiserfs_log(LOG_ERR, "can't read device\n");
	return (error);
	}

	/* Get it from the buffer data */
	rs = (struct reiserfs_super_block *)bp->b_data;
	if (!is_any_reiserfs_magic_string(rs)) {
	brelse(bp);
	return (EINVAL);
	}

	fs_blocksize = sb_blocksize(rs);
	brelse(bp);
	bp = NULL;

	if (fs_blocksize <= 0) {
	reiserfs_log(LOG_ERR, "unexpected null block size");
	return (EINVAL);
	}

	/* Read the super block (for double check)
	* We can't read the same blkno with a different size: it causes
	* panic() if INVARIANTS is set. So we keep REISERFS_BSIZE */
	if ((error = bread(rmp->rm_devvp,
	offset * REISERFS_BSIZE / fs_blocksize * btodb(fs_blocksize),
	REISERFS_BSIZE, NOCRED, &bp)) != 0) {
	reiserfs_log(LOG_ERR, "can't reread the super block\n");
	return (error);
	}

	rs = (struct reiserfs_super_block *)bp->b_data;
	if (sb_blocksize(rs) != fs_blocksize) {
	reiserfs_log(LOG_ERR, "unexpected block size "
	"(found=%u, expected=%u)\n",
	sb_blocksize(rs), fs_blocksize);
	brelse(bp);
	return (EINVAL);
	}

	reiserfs_log(LOG_DEBUG, "magic: `%s'\n", rs->s_v1.s_magic);
	reiserfs_log(LOG_DEBUG, "label: `%s'\n", rs->s_label);
	reiserfs_log(LOG_DEBUG, "block size: %6d\n", sb_blocksize(rs));
	reiserfs_log(LOG_DEBUG, "block count: %6u\n",
	rs->s_v1.s_block_count);
	reiserfs_log(LOG_DEBUG, "bitmaps number: %6u\n",
	rs->s_v1.s_bmap_nr);

	if (rs->s_v1.s_root_block == -1) {
	log(LOG_ERR,
	"reiserfs: Unfinished reiserfsck --rebuild-tree run "
	"detected. Please\n"
	"run reiserfsck --rebuild-tree and wait for a "
	"completion. If that\n"
	"fails, get newer reiserfsprogs package");
	brelse(bp);
	return (EINVAL);
	}

	sbi = rmp->rm_reiserfs;
	sbi->s_blocksize = fs_blocksize;

	for (bits = 9, fs_blocksize >>= 9; fs_blocksize >>= 1; bits++)
	;
	sbi->s_blocksize_bits = bits;

	/* Copy the buffer and release it */
	sbi->s_rs = malloc(sizeof *rs, M_REISERFSMNT, M_WAITOK \| M_ZERO);
	if (!sbi->s_rs) {
	reiserfs_log(LOG_ERR, "can not read the super block\n");
	brelse(bp);
	return (ENOMEM);
	}
	bcopy(rs, sbi->s_rs, sizeof(struct reiserfs_super_block));
	brelse(bp);

	if (is_reiserfs_jr(rs)) {
	if (sb_version(rs) == REISERFS_VERSION_2)
	reiserfs_log(LOG_INFO, "found reiserfs format \"3.6\""
	" with non-standard journal");
	else if (sb_version(rs) == REISERFS_VERSION_1)
	reiserfs_log(LOG_INFO, "found reiserfs format \"3.5\""
	" with non-standard journal");
	else {
	reiserfs_log(LOG_ERR, "found unknown "
	"format \"%u\" of reiserfs with non-standard magic",
	sb_version(rs));
	return (EINVAL);
	}
	} else {
	/*
	* s_version of standard format may contain incorrect
	* information, so we just look at the magic string
	*/
	reiserfs_log(LOG_INFO,
	"found reiserfs format \"%s\" with standard journal\n",
	is_reiserfs_3_5(rs) ? "3.5" : "3.6");
	}

	return (0);
	}

	/*
	* load_bitmap_info_data - Sets up the reiserfs_bitmap_info structure
	* from disk.
	* @sbi - superblock info for this filesystem
	* @bi - the bitmap info to be loaded. Requires that bi->bp is valid.
	*
	* This routine counts how many free bits there are, finding the first
	* zero as a side effect. Could also be implemented as a loop of
	* test_bit() calls, or a loop of find_first_zero_bit() calls. This
	* implementation is similar to find_first_zero_bit(), but doesn't
	* return after it finds the first bit. Should only be called on fs
	* mount, but should be fairly efficient anyways.
	*
	* bi->first_zero_hint is considered unset if it == 0, since the bitmap
	* itself will invariably occupt block 0 represented in the bitmap. The
	* only exception to this is when free_count also == 0, since there will
	* be no free blocks at all.
	*/
	static void
	load_bitmap_info_data(struct reiserfs_sb_info *sbi,
	struct reiserfs_bitmap_info *bi)
	{
	unsigned long *cur;

	cur = (unsigned long *)bi->bp_data;
	while ((char *)cur < (bi->bp_data + sbi->s_blocksize)) {
	/*
	* No need to scan if all 0's or all 1's.
	* Since we're only counting 0's, we can simply ignore
	* all 1's
	*/
	if (*cur == 0) {
	if (bi->first_zero_hint == 0) {
	bi->first_zero_hint =
	((char *)cur - bi->bp_data) << 3;
	}
	bi->free_count += sizeof(unsigned long) * 8;
	} else if (*cur != ~0L) {
	int b;

	for (b = 0; b < sizeof(unsigned long) * 8; b++) {
	if (!reiserfs_test_le_bit(b, cur)) {
	bi->free_count++;
	if (bi->first_zero_hint == 0)
	bi->first_zero_hint =
	(((char *)cur -
	bi->bp_data) << 3) + b;
	}
	}
	}
	cur++;
	}
	}

	/*
	* Read the bitmaps
	*/
	static int
	read_bitmaps(struct reiserfs_mount *rmp)
	{
	int i, bmap_nr;
	struct buf *bp = NULL;
	struct reiserfs_sb_info *sbi = rmp->rm_reiserfs;

	/* Allocate memory for the table of bitmaps */
	SB_AP_BITMAP(sbi) =
	malloc(sizeof(struct reiserfs_bitmap_info) * SB_BMAP_NR(sbi),
	M_REISERFSMNT, M_WAITOK \| M_ZERO);
	if (!SB_AP_BITMAP(sbi))
	return (ENOMEM);

	/* Read all the bitmaps */
	for (i = 0,
	bmap_nr = (REISERFS_DISK_OFFSET_IN_BYTES / sbi->s_blocksize + 1) *
	btodb(sbi->s_blocksize);
	i < SB_BMAP_NR(sbi); i++, bmap_nr = sbi->s_blocksize * 8 * i) {
	SB_AP_BITMAP(sbi)[i].bp_data = malloc(sbi->s_blocksize,
	M_REISERFSMNT, M_WAITOK \| M_ZERO);
	if (!SB_AP_BITMAP(sbi)[i].bp_data)
	return (ENOMEM);
	bread(rmp->rm_devvp, bmap_nr, sbi->s_blocksize, NOCRED, &bp);
	bcopy(bp->b_data, SB_AP_BITMAP(sbi)[i].bp_data,
	sbi->s_blocksize);
	brelse(bp);
	bp = NULL;

	/*if (!buffer_uptodate(SB_AP_BITMAP(s)[i].bh))
	ll_rw_block(READ, 1, &SB_AP_BITMAP(s)[i].bh);*/
	}

	for (i = 0; i < SB_BMAP_NR(sbi); i++) {
	/*if (!buffer_uptodate(SB_AP_BITMAP(s)[i].bh)) {
	reiserfs_warning(s,"sh-2029: reiserfs read_bitmaps: "
	"bitmap block (#%lu) reading failed",
	SB_AP_BITMAP(s)[i].bh->b_blocknr);
	for (i = 0; i < SB_BMAP_NR(s); i++)
	brelse(SB_AP_BITMAP(s)[i].bh);
	vfree(SB_AP_BITMAP(s));
	SB_AP_BITMAP(s) = NULL;
	return 1;
	}*/
	load_bitmap_info_data(sbi, SB_AP_BITMAP(sbi) + i);
	reiserfs_log(LOG_DEBUG,
	"%d free blocks (starting at block %ld)\n",
	SB_AP_BITMAP(sbi)[i].free_count,
	(long)SB_AP_BITMAP(sbi)[i].first_zero_hint);
	}

	return (0);
	}

	// TODO Not supported
	static int
	read_old_bitmaps(struct reiserfs_mount *rmp)
	{

	return (EOPNOTSUPP);
	#if 0
	int i;
	struct reiserfs_sb_info *sbi = rmp->rm_reiserfs;
	struct reiserfs_super_block *rs = SB_DISK_SUPER_BLOCK(sbi);

	/* First of bitmap blocks */
	int bmp1 = (REISERFS_OLD_DISK_OFFSET / sbi->s_blocksize) *
	btodb(sbi->s_blocksize);

	/* Read true bitmap */
	SB_AP_BITMAP(sbi) =
	malloc(sizeof (struct reiserfs_buffer_info ) sb_bmap_nr(rs),
	M_REISERFSMNT, M_WAITOK \| M_ZERO);
	if (!SB_AP_BITMAP(sbi))
	return 1;

	for (i = 0; i < sb_bmap_nr(rs); i ++) {
	SB_AP_BITMAP(sbi)[i].bp = getblk(rmp->rm_devvp,
	(bmp1 + i) * btodb(sbi->s_blocksize), sbi->s_blocksize, 0, 0, 0);
	if (!SB_AP_BITMAP(sbi)[i].bp)
	return 1;
	load_bitmap_info_data(sbi, SB_AP_BITMAP(sbi) + i);
	}

	return 0;
	#endif
	}

	/* -------------------------------------------------------------------
	* Hash detection stuff
	* -------------------------------------------------------------------*/

	static int
	get_root_node(struct reiserfs_mount rmp, struct reiserfs_node *root)
	{
	struct reiserfs_node *ip;
	struct reiserfs_iget_args args;

	/* Allocate the node structure */
	reiserfs_log(LOG_DEBUG, "malloc(struct reiserfs_node)\n");
	MALLOC(ip, struct reiserfs_node *, sizeof(struct reiserfs_node),
	M_REISERFSNODE, M_WAITOK \| M_ZERO);

	/* Fill the structure */
	reiserfs_log(LOG_DEBUG, "filling *ip\n");
	ip->i_dev = rmp->rm_dev;
	ip->i_number = REISERFS_ROOT_OBJECTID;
	ip->i_ino = REISERFS_ROOT_PARENT_OBJECTID;
	ip->i_reiserfs = rmp->rm_reiserfs;

	/* Read the inode */
	args.objectid = ip->i_number;
	args.dirid = ip->i_ino;
	reiserfs_log(LOG_DEBUG, "call reiserfs_read_locked_inode("
	"objectid=%d,dirid=%d)\n", args.objectid, args.dirid);
	reiserfs_read_locked_inode(ip, &args);

	ip->i_devvp = rmp->rm_devvp;
	//XXX VREF(ip->i_devvp); Is it necessary ?

	*root = ip;
	return (0);
	}

	/*
	* If root directory is empty - we set default - Yura's - hash and warn
	* about it.
	* FIXME: we look for only one name in a directory. If tea and yura both
	* have the same value - we ask user to send report to the mailing list
	*/
	uint32_t find_hash_out(struct reiserfs_mount *rmp)
	{
	int retval;
	struct cpu_key key;
	INITIALIZE_PATH(path);
	struct reiserfs_node *ip;
	struct reiserfs_sb_info *sbi;
	struct reiserfs_dir_entry de;
	uint32_t hash = DEFAULT_HASH;

	get_root_node(rmp, &ip);
	if (!ip)
	return (UNSET_HASH);

	sbi = rmp->rm_reiserfs;

	do {
	uint32_t teahash, r5hash, yurahash;

	reiserfs_log(LOG_DEBUG, "make_cpu_key\n");
	make_cpu_key(&key, ip, ~0, TYPE_DIRENTRY, 3);
	reiserfs_log(LOG_DEBUG, "search_by_entry_key for "
	"key(objectid=%d,dirid=%d)\n",
	key.on_disk_key.k_objectid, key.on_disk_key.k_dir_id);
	retval = search_by_entry_key(sbi, &key, &path, &de);
	if (retval == IO_ERROR) {
	- pathrelse(&path);
	- return (UNSET_HASH);
	+ hash = UNSET_HASH;
	+ break;
	}
	if (retval == NAME_NOT_FOUND)
	de.de_entry_num--;

	reiserfs_log(LOG_DEBUG, "name found\n");

	set_de_name_and_namelen(&de);

	if (deh_offset(&(de.de_deh[de.de_entry_num])) == DOT_DOT_OFFSET) {
	/* Allow override in this case */
	if (reiserfs_rupasov_hash(sbi)) {
	hash = YURA_HASH;
	}
	reiserfs_log(LOG_DEBUG,
	"FS seems to be empty, autodetect "
	"is using the default hash");
	break;
	}

	r5hash = GET_HASH_VALUE(r5_hash(de.de_name, de.de_namelen));
	teahash = GET_HASH_VALUE(keyed_hash(de.de_name,
	de.de_namelen));
	yurahash = GET_HASH_VALUE(yura_hash(de.de_name, de.de_namelen));
	if (((teahash == r5hash) &&
	(GET_HASH_VALUE(
	deh_offset(&(de.de_deh[de.de_entry_num]))) == r5hash)) \|\|
	((teahash == yurahash) &&
	(yurahash ==
	GET_HASH_VALUE(
	deh_offset(&(de.de_deh[de.de_entry_num]))))) \|\|
	((r5hash == yurahash) &&
	(yurahash ==
	GET_HASH_VALUE(
	deh_offset(&(de.de_deh[de.de_entry_num])))))) {
	reiserfs_log(LOG_ERR,
	"unable to automatically detect hash "
	"function. Please mount with -o "
	"hash={tea,rupasov,r5}");
	hash = UNSET_HASH;
	break;
	}

	if (GET_HASH_VALUE(
	deh_offset(&(de.de_deh[de.de_entry_num]))) == yurahash) {
	reiserfs_log(LOG_DEBUG, "detected YURA hash\n");
	hash = YURA_HASH;
	} else if (GET_HASH_VALUE(
	deh_offset(&(de.de_deh[de.de_entry_num]))) == teahash) {
	reiserfs_log(LOG_DEBUG, "detected TEA hash\n");
	hash = TEA_HASH;
	} else if (GET_HASH_VALUE(
	deh_offset(&(de.de_deh[de.de_entry_num]))) == r5hash) {
	reiserfs_log(LOG_DEBUG, "detected R5 hash\n");
	hash = R5_HASH;
	} else {
	reiserfs_log(LOG_WARNING, "unrecognised hash function");
	hash = UNSET_HASH;
	}
	} while (0);

	pathrelse(&path);
	return (hash);
	}

	/* Finds out which hash names are sorted with */
	static int
	what_hash(struct reiserfs_mount *rmp)
	{
	uint32_t code;
	struct reiserfs_sb_info *sbi = rmp->rm_reiserfs;

	find_hash_out(rmp);
	code = sb_hash_function_code(SB_DISK_SUPER_BLOCK(sbi));

	/*
	* reiserfs_hash_detect() == true if any of the hash mount options
	* were used. We must check them to make sure the user isn't using a
	* bad hash value
	*/
	if (code == UNSET_HASH \|\| reiserfs_hash_detect(sbi))
	code = find_hash_out(rmp);

	if (code != UNSET_HASH && reiserfs_hash_detect(sbi)) {
	/*
	* Detection has found the hash, and we must check against
	* the mount options
	*/
	if (reiserfs_rupasov_hash(sbi) && code != YURA_HASH) {
	reiserfs_log(LOG_ERR, "error, %s hash detected, "
	"unable to force rupasov hash",
	reiserfs_hashname(code));
	code = UNSET_HASH;
	} else if (reiserfs_tea_hash(sbi) && code != TEA_HASH) {
	reiserfs_log(LOG_ERR, "error, %s hash detected, "
	"unable to force tea hash",
	reiserfs_hashname(code));
	code = UNSET_HASH;
	} else if (reiserfs_r5_hash(sbi) && code != R5_HASH) {
	reiserfs_log(LOG_ERR, "error, %s hash detected, "
	"unable to force r5 hash",
	reiserfs_hashname(code));
	code = UNSET_HASH;
	}
	} else {
	/*
	* Find_hash_out was not called or could not determine
	* the hash
	*/
	if (reiserfs_rupasov_hash(sbi)) {
	code = YURA_HASH;
	} else if (reiserfs_tea_hash(sbi)) {
	code = TEA_HASH;
	} else if (reiserfs_r5_hash(sbi)) {
	code = R5_HASH;
	}
	}

	/* TODO Not supported yet */
	#if 0
	/* If we are mounted RW, and we have a new valid hash code, update
	* the super */
	if (code != UNSET_HASH &&
	!(s->s_flags & MS_RDONLY) &&
	code != sb_hash_function_code(SB_DISK_SUPER_BLOCK(s))) {
	set_sb_hash_function_code(SB_DISK_SUPER_BLOCK(s), code);
	}
	#endif

	return (code);
	}

	/* Return pointer to appropriate function */
	static hashf_t
	hash_function(struct reiserfs_mount *rmp)
	{

	switch (what_hash(rmp)) {
	case TEA_HASH:
	reiserfs_log(LOG_INFO, "using tea hash to sort names\n");
	return (keyed_hash);
	case YURA_HASH:
	reiserfs_log(LOG_INFO, "using rupasov hash to sort names\n");
	return (yura_hash);
	case R5_HASH:
	reiserfs_log(LOG_INFO, "using r5 hash to sort names\n");
	return (r5_hash);
	}

	return (NULL);
	}

	/* -------------------------------------------------------------------
	* VFS registration
	* -------------------------------------------------------------------*/

	static struct vfsops reiser_vfsops = {
	.vfs_cmount = reiserfs_cmount,
	.vfs_mount = reiserfs_mount,
	.vfs_unmount = reiserfs_unmount,
	//.vfs_checkexp = reiserfs_checkexp,
	//.vfs_extattrctl = reiserfs_extattrctl,
	.vfs_fhtovp = reiserfs_fhtovp,
	//.vfs_quotactl = reiserfs_quotactl,
	.vfs_root = reiserfs_root,
	//.vfs_start = reiserfs_start,
	.vfs_statfs = reiserfs_statfs,
	//.vfs_sync = reiserfs_sync,
	//.vfs_vget = reiserfs_vget,
	};

	VFS_SET(reiser_vfsops, reiserfs, VFCF_READONLY);
	Index: stable/7/sys
	===================================================================
	--- stable/7/sys (revision 288987)
	+++ stable/7/sys (revision 288988)

	Property changes on: stable/7/sys
	___________________________________________________________________
	Modified: svn:mergeinfo
	## -0,0 +0,1 ##
	Merged /head/sys:r286888

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