Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/fs/hfsplus/inode.c
 *
 * Copyright (C) 2001
 * Brad Boyer (flar@allandria.com)
 * (C) 2003 Ardis Technologies <roman@ardistech.com>
 *
 * Inode handling routines
 */
 
#include <linux/blkdev.h>
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/mpage.h>
#include <linux/sched.h>
#include <linux/cred.h>
#include <linux/uio.h>
 
#include "hfsplus_fs.h"
#include "hfsplus_raw.h"
#include "xattr.h"
 
static int hfsplus_readpage(struct file *file, struct page *page)
{
<------>return block_read_full_page(page, hfsplus_get_block);
}
 
static int hfsplus_writepage(struct page *page, struct writeback_control *wbc)
{
<------>return block_write_full_page(page, hfsplus_get_block, wbc);
}
 
static void hfsplus_write_failed(struct address_space *mapping, loff_t to)
{
<------>struct inode *inode = mapping->host;
 
<------>if (to > inode->i_size) {
<------><------>truncate_pagecache(inode, inode->i_size);
<------><------>hfsplus_file_truncate(inode);
<------>}
}
 
static int hfsplus_write_begin(struct file *file, struct address_space *mapping,
<------><------><------>loff_t pos, unsigned len, unsigned flags,
<------><------><------>struct page **pagep, void **fsdata)
{
<------>int ret;
 
<------>*pagep = NULL;
<------>ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
<------><------><------><------>hfsplus_get_block,
<------><------><------><------>&HFSPLUS_I(mapping->host)->phys_size);
<------>if (unlikely(ret))
<------><------>hfsplus_write_failed(mapping, pos + len);
 
<------>return ret;
}
 
static sector_t hfsplus_bmap(struct address_space *mapping, sector_t block)
{
<------>return generic_block_bmap(mapping, block, hfsplus_get_block);
}
 
static int hfsplus_releasepage(struct page *page, gfp_t mask)
{
<------>struct inode *inode = page->mapping->host;
<------>struct super_block *sb = inode->i_sb;
<------>struct hfs_btree *tree;
<------>struct hfs_bnode *node;
<------>u32 nidx;
<------>int i, res = 1;
 
<------>switch (inode->i_ino) {
<------>case HFSPLUS_EXT_CNID:
<------><------>tree = HFSPLUS_SB(sb)->ext_tree;
<------><------>break;
<------>case HFSPLUS_CAT_CNID:
<------><------>tree = HFSPLUS_SB(sb)->cat_tree;
<------><------>break;
<------>case HFSPLUS_ATTR_CNID:
<------><------>tree = HFSPLUS_SB(sb)->attr_tree;
<------><------>break;
<------>default:
<------><------>BUG();
<------><------>return 0;
<------>}
<------>if (!tree)
<------><------>return 0;
<------>if (tree->node_size >= PAGE_SIZE) {
<------><------>nidx = page->index >>
<------><------><------>(tree->node_size_shift - PAGE_SHIFT);
<------><------>spin_lock(&tree->hash_lock);
<------><------>node = hfs_bnode_findhash(tree, nidx);
<------><------>if (!node)
<------><------><------>;
<------><------>else if (atomic_read(&node->refcnt))
<------><------><------>res = 0;
<------><------>if (res && node) {
<------><------><------>hfs_bnode_unhash(node);
<------><------><------>hfs_bnode_free(node);
<------><------>}
<------><------>spin_unlock(&tree->hash_lock);
<------>} else {
<------><------>nidx = page->index <<
<------><------><------>(PAGE_SHIFT - tree->node_size_shift);
<------><------>i = 1 << (PAGE_SHIFT - tree->node_size_shift);
<------><------>spin_lock(&tree->hash_lock);
<------><------>do {
<------><------><------>node = hfs_bnode_findhash(tree, nidx++);
<------><------><------>if (!node)
<------><------><------><------>continue;
<------><------><------>if (atomic_read(&node->refcnt)) {
<------><------><------><------>res = 0;
<------><------><------><------>break;
<------><------><------>}
<------><------><------>hfs_bnode_unhash(node);
<------><------><------>hfs_bnode_free(node);
<------><------>} while (--i && nidx < tree->node_count);
<------><------>spin_unlock(&tree->hash_lock);
<------>}
<------>return res ? try_to_free_buffers(page) : 0;
}
 
static ssize_t hfsplus_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
{
<------>struct file *file = iocb->ki_filp;
<------>struct address_space *mapping = file->f_mapping;
<------>struct inode *inode = mapping->host;
<------>size_t count = iov_iter_count(iter);
<------>ssize_t ret;
 
<------>ret = blockdev_direct_IO(iocb, inode, iter, hfsplus_get_block);
 
<------>/*
<------> * In case of error extending write may have instantiated a few
<------> * blocks outside i_size. Trim these off again.
<------> */
<------>if (unlikely(iov_iter_rw(iter) == WRITE && ret < 0)) {
<------><------>loff_t isize = i_size_read(inode);
<------><------>loff_t end = iocb->ki_pos + count;
 
<------><------>if (end > isize)
<------><------><------>hfsplus_write_failed(mapping, end);
<------>}
 
<------>return ret;
}
 
static int hfsplus_writepages(struct address_space *mapping,
<------><------><------>      struct writeback_control *wbc)
{
<------>return mpage_writepages(mapping, wbc, hfsplus_get_block);
}
 
const struct address_space_operations hfsplus_btree_aops = {
<------>.readpage	= hfsplus_readpage,
<------>.writepage	= hfsplus_writepage,
<------>.write_begin	= hfsplus_write_begin,
<------>.write_end	= generic_write_end,
<------>.bmap		= hfsplus_bmap,
<------>.releasepage	= hfsplus_releasepage,
};
 
const struct address_space_operations hfsplus_aops = {
<------>.readpage	= hfsplus_readpage,
<------>.writepage	= hfsplus_writepage,
<------>.write_begin	= hfsplus_write_begin,
<------>.write_end	= generic_write_end,
<------>.bmap		= hfsplus_bmap,
<------>.direct_IO	= hfsplus_direct_IO,
<------>.writepages	= hfsplus_writepages,
};
 
const struct dentry_operations hfsplus_dentry_operations = {
<------>.d_hash       = hfsplus_hash_dentry,
<------>.d_compare    = hfsplus_compare_dentry,
};
 
static void hfsplus_get_perms(struct inode *inode,
<------><------>struct hfsplus_perm *perms, int dir)
{
<------>struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
<------>u16 mode;
 
<------>mode = be16_to_cpu(perms->mode);
 
<------>i_uid_write(inode, be32_to_cpu(perms->owner));
<------>if (!i_uid_read(inode) && !mode)
<------><------>inode->i_uid = sbi->uid;
 
<------>i_gid_write(inode, be32_to_cpu(perms->group));
<------>if (!i_gid_read(inode) && !mode)
<------><------>inode->i_gid = sbi->gid;
 
<------>if (dir) {
<------><------>mode = mode ? (mode & S_IALLUGO) : (S_IRWXUGO & ~(sbi->umask));
<------><------>mode |= S_IFDIR;
<------>} else if (!mode)
<------><------>mode = S_IFREG | ((S_IRUGO|S_IWUGO) & ~(sbi->umask));
<------>inode->i_mode = mode;
 
<------>HFSPLUS_I(inode)->userflags = perms->userflags;
<------>if (perms->rootflags & HFSPLUS_FLG_IMMUTABLE)
<------><------>inode->i_flags |= S_IMMUTABLE;
<------>else
<------><------>inode->i_flags &= ~S_IMMUTABLE;
<------>if (perms->rootflags & HFSPLUS_FLG_APPEND)
<------><------>inode->i_flags |= S_APPEND;
<------>else
<------><------>inode->i_flags &= ~S_APPEND;
}
 
static int hfsplus_file_open(struct inode *inode, struct file *file)
{
<------>if (HFSPLUS_IS_RSRC(inode))
<------><------>inode = HFSPLUS_I(inode)->rsrc_inode;
<------>if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
<------><------>return -EOVERFLOW;
<------>atomic_inc(&HFSPLUS_I(inode)->opencnt);
<------>return 0;
}
 
static int hfsplus_file_release(struct inode *inode, struct file *file)
{
<------>struct super_block *sb = inode->i_sb;
 
<------>if (HFSPLUS_IS_RSRC(inode))
<------><------>inode = HFSPLUS_I(inode)->rsrc_inode;
<------>if (atomic_dec_and_test(&HFSPLUS_I(inode)->opencnt)) {
<------><------>inode_lock(inode);
<------><------>hfsplus_file_truncate(inode);
<------><------>if (inode->i_flags & S_DEAD) {
<------><------><------>hfsplus_delete_cat(inode->i_ino,
<------><------><------><------><------>   HFSPLUS_SB(sb)->hidden_dir, NULL);
<------><------><------>hfsplus_delete_inode(inode);
<------><------>}
<------><------>inode_unlock(inode);
<------>}
<------>return 0;
}
 
static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
{
<------>struct inode *inode = d_inode(dentry);
<------>int error;
 
<------>error = setattr_prepare(dentry, attr);
<------>if (error)
<------><------>return error;
 
<------>if ((attr->ia_valid & ATTR_SIZE) &&
<------>    attr->ia_size != i_size_read(inode)) {
<------><------>inode_dio_wait(inode);
<------><------>if (attr->ia_size > inode->i_size) {
<------><------><------>error = generic_cont_expand_simple(inode,
<------><------><------><------><------><------><------>   attr->ia_size);
<------><------><------>if (error)
<------><------><------><------>return error;
<------><------>}
<------><------>truncate_setsize(inode, attr->ia_size);
<------><------>hfsplus_file_truncate(inode);
<------><------>inode->i_mtime = inode->i_ctime = current_time(inode);
<------>}
 
<------>setattr_copy(inode, attr);
<------>mark_inode_dirty(inode);
 
<------>return 0;
}
 
int hfsplus_getattr(const struct path *path, struct kstat *stat,
<------><------>    u32 request_mask, unsigned int query_flags)
{
<------>struct inode *inode = d_inode(path->dentry);
<------>struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
 
<------>if (inode->i_flags & S_APPEND)
<------><------>stat->attributes |= STATX_ATTR_APPEND;
<------>if (inode->i_flags & S_IMMUTABLE)
<------><------>stat->attributes |= STATX_ATTR_IMMUTABLE;
<------>if (hip->userflags & HFSPLUS_FLG_NODUMP)
<------><------>stat->attributes |= STATX_ATTR_NODUMP;
 
<------>stat->attributes_mask |= STATX_ATTR_APPEND | STATX_ATTR_IMMUTABLE |
<------><------><------><------> STATX_ATTR_NODUMP;
 
<------>generic_fillattr(inode, stat);
<------>return 0;
}
 
int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
<------><------>       int datasync)
{
<------>struct inode *inode = file->f_mapping->host;
<------>struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
<------>struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb);
<------>int error = 0, error2;
 
<------>error = file_write_and_wait_range(file, start, end);
<------>if (error)
<------><------>return error;
<------>inode_lock(inode);
 
<------>/*
<------> * Sync inode metadata into the catalog and extent trees.
<------> */
<------>sync_inode_metadata(inode, 1);
 
<------>/*
<------> * And explicitly write out the btrees.
<------> */
<------>if (test_and_clear_bit(HFSPLUS_I_CAT_DIRTY, &hip->flags))
<------><------>error = filemap_write_and_wait(sbi->cat_tree->inode->i_mapping);
 
<------>if (test_and_clear_bit(HFSPLUS_I_EXT_DIRTY, &hip->flags)) {
<------><------>error2 =
<------><------><------>filemap_write_and_wait(sbi->ext_tree->inode->i_mapping);
<------><------>if (!error)
<------><------><------>error = error2;
<------>}
 
<------>if (test_and_clear_bit(HFSPLUS_I_ATTR_DIRTY, &hip->flags)) {
<------><------>if (sbi->attr_tree) {
<------><------><------>error2 =
<------><------><------><------>filemap_write_and_wait(
<------><------><------><------><------>    sbi->attr_tree->inode->i_mapping);
<------><------><------>if (!error)
<------><------><------><------>error = error2;
<------><------>} else {
<------><------><------>pr_err("sync non-existent attributes tree\n");
<------><------>}
<------>}
 
<------>if (test_and_clear_bit(HFSPLUS_I_ALLOC_DIRTY, &hip->flags)) {
<------><------>error2 = filemap_write_and_wait(sbi->alloc_file->i_mapping);
<------><------>if (!error)
<------><------><------>error = error2;
<------>}
 
<------>if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
<------><------>blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
 
<------>inode_unlock(inode);
 
<------>return error;
}
 
static const struct inode_operations hfsplus_file_inode_operations = {
<------>.setattr	= hfsplus_setattr,
<------>.getattr	= hfsplus_getattr,
<------>.listxattr	= hfsplus_listxattr,
};
 
static const struct file_operations hfsplus_file_operations = {
<------>.llseek		= generic_file_llseek,
<------>.read_iter	= generic_file_read_iter,
<------>.write_iter	= generic_file_write_iter,
<------>.mmap		= generic_file_mmap,
<------>.splice_read	= generic_file_splice_read,
<------>.fsync		= hfsplus_file_fsync,
<------>.open		= hfsplus_file_open,
<------>.release	= hfsplus_file_release,
<------>.unlocked_ioctl = hfsplus_ioctl,
};
 
struct inode *hfsplus_new_inode(struct super_block *sb, struct inode *dir,
<------><------><------><------>umode_t mode)
{
<------>struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
<------>struct inode *inode = new_inode(sb);
<------>struct hfsplus_inode_info *hip;
 
<------>if (!inode)
<------><------>return NULL;
 
<------>inode->i_ino = sbi->next_cnid++;
<------>inode_init_owner(inode, dir, mode);
<------>set_nlink(inode, 1);
<------>inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
 
<------>hip = HFSPLUS_I(inode);
<------>INIT_LIST_HEAD(&hip->open_dir_list);
<------>spin_lock_init(&hip->open_dir_lock);
<------>mutex_init(&hip->extents_lock);
<------>atomic_set(&hip->opencnt, 0);
<------>hip->extent_state = 0;
<------>hip->flags = 0;
<------>hip->userflags = 0;
<------>hip->subfolders = 0;
<------>memset(hip->first_extents, 0, sizeof(hfsplus_extent_rec));
<------>memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
<------>hip->alloc_blocks = 0;
<------>hip->first_blocks = 0;
<------>hip->cached_start = 0;
<------>hip->cached_blocks = 0;
<------>hip->phys_size = 0;
<------>hip->fs_blocks = 0;
<------>hip->rsrc_inode = NULL;
<------>if (S_ISDIR(inode->i_mode)) {
<------><------>inode->i_size = 2;
<------><------>sbi->folder_count++;
<------><------>inode->i_op = &hfsplus_dir_inode_operations;
<------><------>inode->i_fop = &hfsplus_dir_operations;
<------>} else if (S_ISREG(inode->i_mode)) {
<------><------>sbi->file_count++;
<------><------>inode->i_op = &hfsplus_file_inode_operations;
<------><------>inode->i_fop = &hfsplus_file_operations;
<------><------>inode->i_mapping->a_ops = &hfsplus_aops;
<------><------>hip->clump_blocks = sbi->data_clump_blocks;
<------>} else if (S_ISLNK(inode->i_mode)) {
<------><------>sbi->file_count++;
<------><------>inode->i_op = &page_symlink_inode_operations;
<------><------>inode_nohighmem(inode);
<------><------>inode->i_mapping->a_ops = &hfsplus_aops;
<------><------>hip->clump_blocks = 1;
<------>} else
<------><------>sbi->file_count++;
<------>insert_inode_hash(inode);
<------>mark_inode_dirty(inode);
<------>hfsplus_mark_mdb_dirty(sb);
 
<------>return inode;
}
 
void hfsplus_delete_inode(struct inode *inode)
{
<------>struct super_block *sb = inode->i_sb;
 
<------>if (S_ISDIR(inode->i_mode)) {
<------><------>HFSPLUS_SB(sb)->folder_count--;
<------><------>hfsplus_mark_mdb_dirty(sb);
<------><------>return;
<------>}
<------>HFSPLUS_SB(sb)->file_count--;
<------>if (S_ISREG(inode->i_mode)) {
<------><------>if (!inode->i_nlink) {
<------><------><------>inode->i_size = 0;
<------><------><------>hfsplus_file_truncate(inode);
<------><------>}
<------>} else if (S_ISLNK(inode->i_mode)) {
<------><------>inode->i_size = 0;
<------><------>hfsplus_file_truncate(inode);
<------>}
<------>hfsplus_mark_mdb_dirty(sb);
}
 
void hfsplus_inode_read_fork(struct inode *inode, struct hfsplus_fork_raw *fork)
{
<------>struct super_block *sb = inode->i_sb;
<------>struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb);
<------>struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
<------>u32 count;
<------>int i;
 
<------>memcpy(&hip->first_extents, &fork->extents, sizeof(hfsplus_extent_rec));
<------>for (count = 0, i = 0; i < 8; i++)
<------><------>count += be32_to_cpu(fork->extents[i].block_count);
<------>hip->first_blocks = count;
<------>memset(hip->cached_extents, 0, sizeof(hfsplus_extent_rec));
<------>hip->cached_start = 0;
<------>hip->cached_blocks = 0;
 
<------>hip->alloc_blocks = be32_to_cpu(fork->total_blocks);
<------>hip->phys_size = inode->i_size = be64_to_cpu(fork->total_size);
<------>hip->fs_blocks =
<------><------>(inode->i_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;
<------>inode_set_bytes(inode, hip->fs_blocks << sb->s_blocksize_bits);
<------>hip->clump_blocks =
<------><------>be32_to_cpu(fork->clump_size) >> sbi->alloc_blksz_shift;
<------>if (!hip->clump_blocks) {
<------><------>hip->clump_blocks = HFSPLUS_IS_RSRC(inode) ?
<------><------><------>sbi->rsrc_clump_blocks :
<------><------><------>sbi->data_clump_blocks;
<------>}
}
 
void hfsplus_inode_write_fork(struct inode *inode,
<------><------>struct hfsplus_fork_raw *fork)
{
<------>memcpy(&fork->extents, &HFSPLUS_I(inode)->first_extents,
<------>       sizeof(hfsplus_extent_rec));
<------>fork->total_size = cpu_to_be64(inode->i_size);
<------>fork->total_blocks = cpu_to_be32(HFSPLUS_I(inode)->alloc_blocks);
}
 
int hfsplus_cat_read_inode(struct inode *inode, struct hfs_find_data *fd)
{
<------>hfsplus_cat_entry entry;
<------>int res = 0;
<------>u16 type;
 
<------>type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset);
 
<------>HFSPLUS_I(inode)->linkid = 0;
<------>if (type == HFSPLUS_FOLDER) {
<------><------>struct hfsplus_cat_folder *folder = &entry.folder;
 
<------><------>if (fd->entrylength < sizeof(struct hfsplus_cat_folder))
<------><------><------>/* panic? */;
<------><------>hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
<------><------><------><------><------>sizeof(struct hfsplus_cat_folder));
<------><------>hfsplus_get_perms(inode, &folder->permissions, 1);
<------><------>set_nlink(inode, 1);
<------><------>inode->i_size = 2 + be32_to_cpu(folder->valence);
<------><------>inode->i_atime = hfsp_mt2ut(folder->access_date);
<------><------>inode->i_mtime = hfsp_mt2ut(folder->content_mod_date);
<------><------>inode->i_ctime = hfsp_mt2ut(folder->attribute_mod_date);
<------><------>HFSPLUS_I(inode)->create_date = folder->create_date;
<------><------>HFSPLUS_I(inode)->fs_blocks = 0;
<------><------>if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
<------><------><------>HFSPLUS_I(inode)->subfolders =
<------><------><------><------>be32_to_cpu(folder->subfolders);
<------><------>}
<------><------>inode->i_op = &hfsplus_dir_inode_operations;
<------><------>inode->i_fop = &hfsplus_dir_operations;
<------>} else if (type == HFSPLUS_FILE) {
<------><------>struct hfsplus_cat_file *file = &entry.file;
 
<------><------>if (fd->entrylength < sizeof(struct hfsplus_cat_file))
<------><------><------>/* panic? */;
<------><------>hfs_bnode_read(fd->bnode, &entry, fd->entryoffset,
<------><------><------><------><------>sizeof(struct hfsplus_cat_file));
 
<------><------>hfsplus_inode_read_fork(inode, HFSPLUS_IS_RSRC(inode) ?
<------><------><------><------><------>&file->rsrc_fork : &file->data_fork);
<------><------>hfsplus_get_perms(inode, &file->permissions, 0);
<------><------>set_nlink(inode, 1);
<------><------>if (S_ISREG(inode->i_mode)) {
<------><------><------>if (file->permissions.dev)
<------><------><------><------>set_nlink(inode,
<------><------><------><------><------>  be32_to_cpu(file->permissions.dev));
<------><------><------>inode->i_op = &hfsplus_file_inode_operations;
<------><------><------>inode->i_fop = &hfsplus_file_operations;
<------><------><------>inode->i_mapping->a_ops = &hfsplus_aops;
<------><------>} else if (S_ISLNK(inode->i_mode)) {
<------><------><------>inode->i_op = &page_symlink_inode_operations;
<------><------><------>inode_nohighmem(inode);
<------><------><------>inode->i_mapping->a_ops = &hfsplus_aops;
<------><------>} else {
<------><------><------>init_special_inode(inode, inode->i_mode,
<------><------><------><------><------>   be32_to_cpu(file->permissions.dev));
<------><------>}
<------><------>inode->i_atime = hfsp_mt2ut(file->access_date);
<------><------>inode->i_mtime = hfsp_mt2ut(file->content_mod_date);
<------><------>inode->i_ctime = hfsp_mt2ut(file->attribute_mod_date);
<------><------>HFSPLUS_I(inode)->create_date = file->create_date;
<------>} else {
<------><------>pr_err("bad catalog entry used to create inode\n");
<------><------>res = -EIO;
<------>}
<------>return res;
}
 
int hfsplus_cat_write_inode(struct inode *inode)
{
<------>struct inode *main_inode = inode;
<------>struct hfs_find_data fd;
<------>hfsplus_cat_entry entry;
 
<------>if (HFSPLUS_IS_RSRC(inode))
<------><------>main_inode = HFSPLUS_I(inode)->rsrc_inode;
 
<------>if (!main_inode->i_nlink)
<------><------>return 0;
 
<------>if (hfs_find_init(HFSPLUS_SB(main_inode->i_sb)->cat_tree, &fd))
<------><------>/* panic? */
<------><------>return -EIO;
 
<------>if (hfsplus_find_cat(main_inode->i_sb, main_inode->i_ino, &fd))
<------><------>/* panic? */
<------><------>goto out;
 
<------>if (S_ISDIR(main_inode->i_mode)) {
<------><------>struct hfsplus_cat_folder *folder = &entry.folder;
 
<------><------>if (fd.entrylength < sizeof(struct hfsplus_cat_folder))
<------><------><------>/* panic? */;
<------><------>hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
<------><------><------><------><------>sizeof(struct hfsplus_cat_folder));
<------><------>/* simple node checks? */
<------><------>hfsplus_cat_set_perms(inode, &folder->permissions);
<------><------>folder->access_date = hfsp_ut2mt(inode->i_atime);
<------><------>folder->content_mod_date = hfsp_ut2mt(inode->i_mtime);
<------><------>folder->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
<------><------>folder->valence = cpu_to_be32(inode->i_size - 2);
<------><------>if (folder->flags & cpu_to_be16(HFSPLUS_HAS_FOLDER_COUNT)) {
<------><------><------>folder->subfolders =
<------><------><------><------>cpu_to_be32(HFSPLUS_I(inode)->subfolders);
<------><------>}
<------><------>hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
<------><------><------><------><------> sizeof(struct hfsplus_cat_folder));
<------>} else if (HFSPLUS_IS_RSRC(inode)) {
<------><------>struct hfsplus_cat_file *file = &entry.file;
<------><------>hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
<------><------><------>       sizeof(struct hfsplus_cat_file));
<------><------>hfsplus_inode_write_fork(inode, &file->rsrc_fork);
<------><------>hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
<------><------><------><------>sizeof(struct hfsplus_cat_file));
<------>} else {
<------><------>struct hfsplus_cat_file *file = &entry.file;
 
<------><------>if (fd.entrylength < sizeof(struct hfsplus_cat_file))
<------><------><------>/* panic? */;
<------><------>hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
<------><------><------><------><------>sizeof(struct hfsplus_cat_file));
<------><------>hfsplus_inode_write_fork(inode, &file->data_fork);
<------><------>hfsplus_cat_set_perms(inode, &file->permissions);
<------><------>if (HFSPLUS_FLG_IMMUTABLE &
<------><------><------><------>(file->permissions.rootflags |
<------><------><------><------><------>file->permissions.userflags))
<------><------><------>file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED);
<------><------>else
<------><------><------>file->flags &= cpu_to_be16(~HFSPLUS_FILE_LOCKED);
<------><------>file->access_date = hfsp_ut2mt(inode->i_atime);
<------><------>file->content_mod_date = hfsp_ut2mt(inode->i_mtime);
<------><------>file->attribute_mod_date = hfsp_ut2mt(inode->i_ctime);
<------><------>hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
<------><------><------><------><------> sizeof(struct hfsplus_cat_file));
<------>}
 
<------>set_bit(HFSPLUS_I_CAT_DIRTY, &HFSPLUS_I(inode)->flags);
out:
<------>hfs_find_exit(&fd);
<------>return 0;
}