bh = GET_INODE_DATABLOCK(ptr);		goto out;	}	ptr -= UFS_NDIR_FRAGMENT;	if (ptr < (1 << (uspi->s_apbshift + uspi->s_fpbshift))) {		bh = GET_INODE_PTR(UFS_IND_FRAGMENT + (ptr >> uspi->s_apbshift));		goto get_indirect;	}	ptr -= 1 << (uspi->s_apbshift + uspi->s_fpbshift);	if (ptr < (1 << (uspi->s_2apbshift + uspi->s_fpbshift))) {		bh = GET_INODE_PTR(UFS_DIND_FRAGMENT + (ptr >> uspi->s_2apbshift));		goto get_double;	}	ptr -= 1 << (uspi->s_2apbshift + uspi->s_fpbshift);	bh = GET_INODE_PTR(UFS_TIND_FRAGMENT + (ptr >> uspi->s_3apbshift));	bh = GET_INDIRECT_PTR((ptr >> uspi->s_2apbshift) & uspi->s_apbmask);get_double:	bh = GET_INDIRECT_PTR((ptr >> uspi->s_apbshift) & uspi->s_apbmask);get_indirect:	bh = GET_INDIRECT_DATABLOCK(ptr & uspi->s_apbmask);#undef GET_INODE_DATABLOCK#undef GET_INODE_PTR#undef GET_INDIRECT_DATABLOCK#undef GET_INDIRECT_PTRout:	if (err)		goto abort;	if (new)		set_buffer_new(bh_result);	map_bh(bh_result, sb, phys);abort:	unlock_kernel();	return err;abort_negative:	ufs_warning(sb, "ufs_get_block", "block < 0");	goto abort;abort_too_big:	ufs_warning(sb, "ufs_get_block", "block > big");	goto abort;}static struct buffer_head *ufs_getfrag(struct inode *inode,				       unsigned int fragment,				       int create, int *err){	struct buffer_head dummy;	int error;	dummy.b_state = 0;	dummy.b_blocknr = -1000;	error = ufs_getfrag_block(inode, fragment, &dummy, create);	*err = error;	if (!error && buffer_mapped(&dummy)) {		struct buffer_head *bh;		bh = sb_getblk(inode->i_sb, dummy.b_blocknr);		if (buffer_new(&dummy)) {			memset(bh->b_data, 0, inode->i_sb->s_blocksize);			set_buffer_uptodate(bh);			mark_buffer_dirty(bh);		}		return bh;	}	return NULL;}struct buffer_head * ufs_bread (struct inode * inode, unsigned fragment,	int create, int * err){	struct buffer_head * bh;	UFSD("ENTER, ino %lu, fragment %u\n", inode->i_ino, fragment);	bh = ufs_getfrag (inode, fragment, create, err);	if (!bh || buffer_uptodate(bh)) 				return bh;	ll_rw_block (READ, 1, &bh);	wait_on_buffer (bh);	if (buffer_uptodate(bh))		return bh;	brelse (bh);	*err = -EIO;	return NULL;}static int ufs_writepage(struct page *page, struct writeback_control *wbc){	return block_write_full_page(page,ufs_getfrag_block,wbc);}static int ufs_readpage(struct file *file, struct page *page){	return block_read_full_page(page,ufs_getfrag_block);}int __ufs_write_begin(struct file *file, struct address_space *mapping,			loff_t pos, unsigned len, unsigned flags,			struct page **pagep, void **fsdata){	return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,				ufs_getfrag_block);}static int ufs_write_begin(struct file *file, struct address_space *mapping,			loff_t pos, unsigned len, unsigned flags,			struct page **pagep, void **fsdata){	*pagep = NULL;	return __ufs_write_begin(file, mapping, pos, len, flags, pagep, fsdata);}static sector_t ufs_bmap(struct address_space *mapping, sector_t block){	return generic_block_bmap(mapping,block,ufs_getfrag_block);}const struct address_space_operations ufs_aops = {	.readpage = ufs_readpage,	.writepage = ufs_writepage,	.sync_page = block_sync_page,	.write_begin = ufs_write_begin,	.write_end = generic_write_end,	.bmap = ufs_bmap};static void ufs_set_inode_ops(struct inode *inode){	if (S_ISREG(inode->i_mode)) {		inode->i_op = &ufs_file_inode_operations;		inode->i_fop = &ufs_file_operations;		inode->i_mapping->a_ops = &ufs_aops;	} else if (S_ISDIR(inode->i_mode)) {		inode->i_op = &ufs_dir_inode_operations;		inode->i_fop = &ufs_dir_operations;		inode->i_mapping->a_ops = &ufs_aops;	} else if (S_ISLNK(inode->i_mode)) {		if (!inode->i_blocks)			inode->i_op = &ufs_fast_symlink_inode_operations;		else {			inode->i_op = &page_symlink_inode_operations;			inode->i_mapping->a_ops = &ufs_aops;		}	} else		init_special_inode(inode, inode->i_mode,				   ufs_get_inode_dev(inode->i_sb, UFS_I(inode)));}static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode){	struct ufs_inode_info *ufsi = UFS_I(inode);	struct super_block *sb = inode->i_sb;	mode_t mode;	unsigned i;	/*	 * Copy data to the in-core inode.	 */	inode->i_mode = mode = fs16_to_cpu(sb, ufs_inode->ui_mode);	inode->i_nlink = fs16_to_cpu(sb, ufs_inode->ui_nlink);	if (inode->i_nlink == 0) {		ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);		return -1;	}		/*	 * Linux now has 32-bit uid and gid, so we can support EFT.	 */	inode->i_uid = ufs_get_inode_uid(sb, ufs_inode);	inode->i_gid = ufs_get_inode_gid(sb, ufs_inode);	inode->i_size = fs64_to_cpu(sb, ufs_inode->ui_size);	inode->i_atime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec);	inode->i_ctime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_ctime.tv_sec);	inode->i_mtime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_mtime.tv_sec);	inode->i_mtime.tv_nsec = 0;	inode->i_atime.tv_nsec = 0;	inode->i_ctime.tv_nsec = 0;	inode->i_blocks = fs32_to_cpu(sb, ufs_inode->ui_blocks);	inode->i_generation = fs32_to_cpu(sb, ufs_inode->ui_gen);	ufsi->i_flags = fs32_to_cpu(sb, ufs_inode->ui_flags);	ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);	ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);		if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)			ufsi->i_u1.i_data[i] = ufs_inode->ui_u2.ui_addr.ui_db[i];	} else {		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)			ufsi->i_u1.i_symlink[i] = ufs_inode->ui_u2.ui_symlink[i];	}	return 0;}static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode){	struct ufs_inode_info *ufsi = UFS_I(inode);	struct super_block *sb = inode->i_sb;	mode_t mode;	unsigned i;	UFSD("Reading ufs2 inode, ino %lu\n", inode->i_ino);	/*	 * Copy data to the in-core inode.	 */	inode->i_mode = mode = fs16_to_cpu(sb, ufs2_inode->ui_mode);	inode->i_nlink = fs16_to_cpu(sb, ufs2_inode->ui_nlink);	if (inode->i_nlink == 0) {		ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino);		return -1;	}        /*         * Linux now has 32-bit uid and gid, so we can support EFT.         */	inode->i_uid = fs32_to_cpu(sb, ufs2_inode->ui_uid);	inode->i_gid = fs32_to_cpu(sb, ufs2_inode->ui_gid);	inode->i_size = fs64_to_cpu(sb, ufs2_inode->ui_size);	inode->i_atime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_atime);	inode->i_ctime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_ctime);	inode->i_mtime.tv_sec = fs64_to_cpu(sb, ufs2_inode->ui_mtime);	inode->i_atime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_atimensec);	inode->i_ctime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_ctimensec);	inode->i_mtime.tv_nsec = fs32_to_cpu(sb, ufs2_inode->ui_mtimensec);	inode->i_blocks = fs64_to_cpu(sb, ufs2_inode->ui_blocks);	inode->i_generation = fs32_to_cpu(sb, ufs2_inode->ui_gen);	ufsi->i_flags = fs32_to_cpu(sb, ufs2_inode->ui_flags);	/*	ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);	ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);	*/	if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)			ufsi->i_u1.u2_i_data[i] =				ufs2_inode->ui_u2.ui_addr.ui_db[i];	} else {		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)			ufsi->i_u1.i_symlink[i] = ufs2_inode->ui_u2.ui_symlink[i];	}	return 0;}struct inode *ufs_iget(struct super_block *sb, unsigned long ino){	struct ufs_inode_info *ufsi;	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;	struct buffer_head * bh;	struct inode *inode;	int err;	UFSD("ENTER, ino %lu\n", ino);	if (ino < UFS_ROOTINO || ino > (uspi->s_ncg * uspi->s_ipg)) {		ufs_warning(sb, "ufs_read_inode", "bad inode number (%lu)\n",			    ino);		return ERR_PTR(-EIO);	}	inode = iget_locked(sb, ino);	if (!inode)		return ERR_PTR(-ENOMEM);	if (!(inode->i_state & I_NEW))		return inode;	ufsi = UFS_I(inode);	bh = sb_bread(sb, uspi->s_sbbase + ufs_inotofsba(inode->i_ino));	if (!bh) {		ufs_warning(sb, "ufs_read_inode", "unable to read inode %lu\n",			    inode->i_ino);		goto bad_inode;	}	if ((UFS_SB(sb)->s_flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) {		struct ufs2_inode *ufs2_inode = (struct ufs2_inode *)bh->b_data;		err = ufs2_read_inode(inode,				      ufs2_inode + ufs_inotofsbo(inode->i_ino));	} else {		struct ufs_inode *ufs_inode = (struct ufs_inode *)bh->b_data;		err = ufs1_read_inode(inode,				      ufs_inode + ufs_inotofsbo(inode->i_ino));	}	if (err)		goto bad_inode;	inode->i_version++;	ufsi->i_lastfrag =		(inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;	ufsi->i_dir_start_lookup = 0;	ufsi->i_osync = 0;	ufs_set_inode_ops(inode);	brelse(bh);	UFSD("EXIT\n");	unlock_new_inode(inode);	return inode;bad_inode:	iget_failed(inode);	return ERR_PTR(-EIO);}static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode){	struct super_block *sb = inode->i_sb; 	struct ufs_inode_info *ufsi = UFS_I(inode); 	unsigned i;	ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);	ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);	ufs_set_inode_uid(sb, ufs_inode, inode->i_uid);	ufs_set_inode_gid(sb, ufs_inode, inode->i_gid);			ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);	ufs_inode->ui_atime.tv_sec = cpu_to_fs32(sb, inode->i_atime.tv_sec);	ufs_inode->ui_atime.tv_usec = 0;	ufs_inode->ui_ctime.tv_sec = cpu_to_fs32(sb, inode->i_ctime.tv_sec);	ufs_inode->ui_ctime.tv_usec = 0;	ufs_inode->ui_mtime.tv_sec = cpu_to_fs32(sb, inode->i_mtime.tv_sec);	ufs_inode->ui_mtime.tv_usec = 0;	ufs_inode->ui_blocks = cpu_to_fs32(sb, inode->i_blocks);	ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);	ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);	if ((UFS_SB(sb)->s_flags & UFS_UID_MASK) == UFS_UID_EFT) {		ufs_inode->ui_u3.ui_sun.ui_shadow = cpu_to_fs32(sb, ufsi->i_shadow);		ufs_inode->ui_u3.ui_sun.ui_oeftflag = cpu_to_fs32(sb, ufsi->i_oeftflag);	}	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {		/* ufs_inode->ui_u2.ui_addr.ui_db[0] = cpu_to_fs32(sb, inode->i_rdev); */		ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.i_data[0];	} else if (inode->i_blocks) {		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)			ufs_inode->ui_u2.ui_addr.ui_db[i] = ufsi->i_u1.i_data[i];	}	else {		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)			ufs_inode->ui_u2.ui_symlink[i] = ufsi->i_u1.i_symlink[i];	}	if (!inode->i_nlink)		memset (ufs_inode, 0, sizeof(struct ufs_inode));}static void ufs2_update_inode(struct inode *inode, struct ufs2_inode *ufs_inode){	struct super_block *sb = inode->i_sb; 	struct ufs_inode_info *ufsi = UFS_I(inode); 	unsigned i;	UFSD("ENTER\n");	ufs_inode->ui_mode = cpu_to_fs16(sb, inode->i_mode);	ufs_inode->ui_nlink = cpu_to_fs16(sb, inode->i_nlink);	ufs_inode->ui_uid = cpu_to_fs32(sb, inode->i_uid);	ufs_inode->ui_gid = cpu_to_fs32(sb, inode->i_gid);	ufs_inode->ui_size = cpu_to_fs64(sb, inode->i_size);	ufs_inode->ui_atime = cpu_to_fs64(sb, inode->i_atime.tv_sec);	ufs_inode->ui_atimensec = cpu_to_fs32(sb, inode->i_atime.tv_nsec);	ufs_inode->ui_ctime = cpu_to_fs64(sb, inode->i_ctime.tv_sec);	ufs_inode->ui_ctimensec = cpu_to_fs32(sb, inode->i_ctime.tv_nsec);	ufs_inode->ui_mtime = cpu_to_fs64(sb, inode->i_mtime.tv_sec);	ufs_inode->ui_mtimensec = cpu_to_fs32(sb, inode->i_mtime.tv_nsec);	ufs_inode->ui_blocks = cpu_to_fs64(sb, inode->i_blocks);	ufs_inode->ui_flags = cpu_to_fs32(sb, ufsi->i_flags);	ufs_inode->ui_gen = cpu_to_fs32(sb, inode->i_generation);	if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) {		/* ufs_inode->ui_u2.ui_addr.ui_db[0] = cpu_to_fs32(sb, inode->i_rdev); */		ufs_inode->ui_u2.ui_addr.ui_db[0] = ufsi->i_u1.u2_i_data[0];	} else if (inode->i_blocks) {		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)			ufs_inode->ui_u2.ui_addr.ui_db[i] = ufsi->i_u1.u2_i_data[i];	} else {		for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)			ufs_inode->ui_u2.ui_symlink[i] = ufsi->i_u1.i_symlink[i]; 	}	if (!inode->i_nlink)		memset (ufs_inode, 0, sizeof(struct ufs2_inode));	UFSD("EXIT\n");}static int ufs_update_inode(struct inode * inode, int do_sync){	struct super_block *sb = inode->i_sb;	struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;	struct buffer_head * bh;	UFSD("ENTER, ino %lu\n", inode->i_ino);	if (inode->i_ino < UFS_ROOTINO ||	    inode->i_ino > (uspi->s_ncg * uspi->s_ipg)) {		ufs_warning (sb, "ufs_read_inode", "bad inode number (%lu)\n", inode->i_ino);		return -1;	}	bh = sb_bread(sb, ufs_inotofsba(inode->i_ino));	if (!bh) {		ufs_warning (sb, "ufs_read_inode", "unable to read inode %lu\n", inode->i_ino);		return -1;	}	if (uspi->fs_magic == UFS2_MAGIC) {		struct ufs2_inode *ufs2_inode = (struct ufs2_inode *)bh->b_data;		ufs2_update_inode(inode,				  ufs2_inode + ufs_inotofsbo(inode->i_ino));	} else {		struct ufs_inode *ufs_inode = (struct ufs_inode *) bh->b_data;		ufs1_update_inode(inode, ufs_inode + ufs_inotofsbo(inode->i_ino));	}			mark_buffer_dirty(bh);	if (do_sync)		sync_dirty_buffer(bh);	brelse (bh);		UFSD("EXIT\n");	return 0;}int ufs_write_inode (struct inode * inode, int wait){	int ret;	lock_kernel();	ret = ufs_update_inode (inode, wait);	unlock_kernel();	return ret;}int ufs_sync_inode (struct inode *inode){	return ufs_update_inode (inode, 1);}void ufs_delete_inode (struct inode * inode){	loff_t old_i_size;	truncate_inode_pages(&inode->i_data, 0);	if (is_bad_inode(inode))		goto no_delete;	/*UFS_I(inode)->i_dtime = CURRENT_TIME;*/	lock_kernel();	mark_inode_dirty(inode);	ufs_update_inode(inode, IS_SYNC(inode));	old_i_size = inode->i_size;	inode->i_size = 0;	if (inode->i_blocks && ufs_truncate(inode, old_i_size))		ufs_warning(inode->i_sb, __func__, "ufs_truncate failed\n");	ufs_free_inode (inode);	unlock_kernel();	return;no_delete:	clear_inode(inode);	/* We must guarantee clearing of inode... */}