1 files changed, 673 insertions, 0 deletions

diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
new file mode 100644
index 000000000000..8ff8fc433fc1
--- /dev/null
+++ b/fs/hpfs/namei.c
@@ -0,0 +1,673 @@
+/*
+ *  linux/fs/hpfs/namei.c
+ *
+ *  Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz), 1998-1999
+ *
+ *  adding & removing files & directories
+ */
+
+#include "hpfs_fn.h"
+
+static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+{
+        const char *name = dentry->d_name.name;
+        unsigned len = dentry->d_name.len;
+        struct quad_buffer_head qbh0;
+        struct buffer_head *bh;
+        struct hpfs_dirent *de;
+        struct fnode *fnode;
+        struct dnode *dnode;
+        struct inode *result;
+        fnode_secno fno;
+        dnode_secno dno;
+        int r;
+        struct hpfs_dirent dee;
+        int err;
+        if ((err = hpfs_chk_name((char *)name, &len))) return err==-ENOENT ? -EINVAL : err;
+        lock_kernel();
+        err = -ENOSPC;
+        fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
+        if (!fnode)
+                goto bail;
+        dnode = hpfs_alloc_dnode(dir->i_sb, fno, &dno, &qbh0, 1);
+        if (!dnode)
+                goto bail1;
+        memset(&dee, 0, sizeof dee);
+        dee.directory = 1;
+        if (!(mode & 0222)) dee.read_only = 1;
+        /*dee.archive = 0;*/
+        dee.hidden = name[0] == '.';
+        dee.fnode = fno;
+        dee.creation_date = dee.write_date = dee.read_date = gmt_to_local(dir->i_sb, get_seconds());
+        result = new_inode(dir->i_sb);
+        if (!result)
+                goto bail2;
+        hpfs_init_inode(result);
+        result->i_ino = fno;
+        hpfs_i(result)->i_parent_dir = dir->i_ino;
+        hpfs_i(result)->i_dno = dno;
+        result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, dee.creation_date);
+        result->i_ctime.tv_nsec = 0; 
+        result->i_mtime.tv_nsec = 0; 
+        result->i_atime.tv_nsec = 0; 
+        hpfs_i(result)->i_ea_size = 0;
+        result->i_mode |= S_IFDIR;
+        result->i_op = &hpfs_dir_iops;
+        result->i_fop = &hpfs_dir_ops;
+        result->i_blocks = 4;
+        result->i_size = 2048;
+        result->i_nlink = 2;
+        if (dee.read_only)
+                result->i_mode &= ~0222;
+
+        down(&hpfs_i(dir)->i_sem);
+        r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
+        if (r == 1)
+                goto bail3;
+        if (r == -1) {
+                err = -EEXIST;
+                goto bail3;
+        }
+        fnode->len = len;
+        memcpy(fnode->name, name, len > 15 ? 15 : len);
+        fnode->up = dir->i_ino;
+        fnode->dirflag = 1;
+        fnode->btree.n_free_nodes = 7;
+        fnode->btree.n_used_nodes = 1;
+        fnode->btree.first_free = 0x14;
+        fnode->u.external[0].disk_secno = dno;
+        fnode->u.external[0].file_secno = -1;
+        dnode->root_dnode = 1;
+        dnode->up = fno;
+        de = hpfs_add_de(dir->i_sb, dnode, "\001\001", 2, 0);
+        de->creation_date = de->write_date = de->read_date = gmt_to_local(dir->i_sb, get_seconds());
+        if (!(mode & 0222)) de->read_only = 1;
+        de->first = de->directory = 1;
+        /*de->hidden = de->system = 0;*/
+        de->fnode = fno;
+        mark_buffer_dirty(bh);
+        brelse(bh);
+        hpfs_mark_4buffers_dirty(&qbh0);
+        hpfs_brelse4(&qbh0);
+        dir->i_nlink++;
+        insert_inode_hash(result);
+
+        if (result->i_uid != current->fsuid ||
+            result->i_gid != current->fsgid ||
+            result->i_mode != (mode | S_IFDIR)) {
+                result->i_uid = current->fsuid;
+                result->i_gid = current->fsgid;
+                result->i_mode = mode | S_IFDIR;
+                hpfs_write_inode_nolock(result);
+        }
+        d_instantiate(dentry, result);
+        up(&hpfs_i(dir)->i_sem);
+        unlock_kernel();
+        return 0;
+bail3:
+        up(&hpfs_i(dir)->i_sem);
+        iput(result);
+bail2:
+        hpfs_brelse4(&qbh0);
+        hpfs_free_dnode(dir->i_sb, dno);
+bail1:
+        brelse(bh);
+        hpfs_free_sectors(dir->i_sb, fno, 1);
+bail:
+        unlock_kernel();
+        return err;
+}
+
+static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd)
+{
+        const char *name = dentry->d_name.name;
+        unsigned len = dentry->d_name.len;
+        struct inode *result = NULL;
+        struct buffer_head *bh;
+        struct fnode *fnode;
+        fnode_secno fno;
+        int r;
+        struct hpfs_dirent dee;
+        int err;
+        if ((err = hpfs_chk_name((char *)name, &len)))
+                return err==-ENOENT ? -EINVAL : err;
+        lock_kernel();
+        err = -ENOSPC;
+        fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
+        if (!fnode)
+                goto bail;
+        memset(&dee, 0, sizeof dee);
+        if (!(mode & 0222)) dee.read_only = 1;
+        dee.archive = 1;
+        dee.hidden = name[0] == '.';
+        dee.fnode = fno;
+        dee.creation_date = dee.write_date = dee.read_date = gmt_to_local(dir->i_sb, get_seconds());
+
+        result = new_inode(dir->i_sb);
+        if (!result)
+                goto bail1;
+        
+        hpfs_init_inode(result);
+        result->i_ino = fno;
+        result->i_mode |= S_IFREG;
+        result->i_mode &= ~0111;
+        result->i_op = &hpfs_file_iops;
+        result->i_fop = &hpfs_file_ops;
+        result->i_nlink = 1;
+        hpfs_decide_conv(result, (char *)name, len);
+        hpfs_i(result)->i_parent_dir = dir->i_ino;
+        result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, dee.creation_date);
+        result->i_ctime.tv_nsec = 0;
+        result->i_mtime.tv_nsec = 0;
+        result->i_atime.tv_nsec = 0;
+        hpfs_i(result)->i_ea_size = 0;
+        if (dee.read_only)
+                result->i_mode &= ~0222;
+        result->i_blocks = 1;
+        result->i_size = 0;
+        result->i_data.a_ops = &hpfs_aops;
+        hpfs_i(result)->mmu_private = 0;
+
+        down(&hpfs_i(dir)->i_sem);
+        r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
+        if (r == 1)
+                goto bail2;
+        if (r == -1) {
+                err = -EEXIST;
+                goto bail2;
+        }
+        fnode->len = len;
+        memcpy(fnode->name, name, len > 15 ? 15 : len);
+        fnode->up = dir->i_ino;
+        mark_buffer_dirty(bh);
+        brelse(bh);
+
+        insert_inode_hash(result);
+
+        if (result->i_uid != current->fsuid ||
+            result->i_gid != current->fsgid ||
+            result->i_mode != (mode | S_IFREG)) {
+                result->i_uid = current->fsuid;
+                result->i_gid = current->fsgid;
+                result->i_mode = mode | S_IFREG;
+                hpfs_write_inode_nolock(result);
+        }
+        d_instantiate(dentry, result);
+        up(&hpfs_i(dir)->i_sem);
+        unlock_kernel();
+        return 0;
+
+bail2:
+        up(&hpfs_i(dir)->i_sem);
+        iput(result);
+bail1:
+        brelse(bh);
+        hpfs_free_sectors(dir->i_sb, fno, 1);
+bail:
+        unlock_kernel();
+        return err;
+}
+
+static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
+{
+        const char *name = dentry->d_name.name;
+        unsigned len = dentry->d_name.len;
+        struct buffer_head *bh;
+        struct fnode *fnode;
+        fnode_secno fno;
+        int r;
+        struct hpfs_dirent dee;
+        struct inode *result = NULL;
+        int err;
+        if ((err = hpfs_chk_name((char *)name, &len))) return err==-ENOENT ? -EINVAL : err;
+        if (hpfs_sb(dir->i_sb)->sb_eas < 2) return -EPERM;
+        if (!new_valid_dev(rdev))
+                return -EINVAL;
+        lock_kernel();
+        err = -ENOSPC;
+        fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
+        if (!fnode)
+                goto bail;
+        memset(&dee, 0, sizeof dee);
+        if (!(mode & 0222)) dee.read_only = 1;
+        dee.archive = 1;
+        dee.hidden = name[0] == '.';
+        dee.fnode = fno;
+        dee.creation_date = dee.write_date = dee.read_date = gmt_to_local(dir->i_sb, get_seconds());
+
+        result = new_inode(dir->i_sb);
+        if (!result)
+                goto bail1;
+
+        hpfs_init_inode(result);
+        result->i_ino = fno;
+        hpfs_i(result)->i_parent_dir = dir->i_ino;
+        result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, dee.creation_date);
+        result->i_ctime.tv_nsec = 0;
+        result->i_mtime.tv_nsec = 0;
+        result->i_atime.tv_nsec = 0;
+        hpfs_i(result)->i_ea_size = 0;
+        result->i_uid = current->fsuid;
+        result->i_gid = current->fsgid;
+        result->i_nlink = 1;
+        result->i_size = 0;
+        result->i_blocks = 1;
+        init_special_inode(result, mode, rdev);
+
+        down(&hpfs_i(dir)->i_sem);
+        r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
+        if (r == 1)
+                goto bail2;
+        if (r == -1) {
+                err = -EEXIST;
+                goto bail2;
+        }
+        fnode->len = len;
+        memcpy(fnode->name, name, len > 15 ? 15 : len);
+        fnode->up = dir->i_ino;
+        mark_buffer_dirty(bh);
+
+        insert_inode_hash(result);
+
+        hpfs_write_inode_nolock(result);
+        d_instantiate(dentry, result);
+        up(&hpfs_i(dir)->i_sem);
+        brelse(bh);
+        unlock_kernel();
+        return 0;
+bail2:
+        up(&hpfs_i(dir)->i_sem);
+        iput(result);
+bail1:
+        brelse(bh);
+        hpfs_free_sectors(dir->i_sb, fno, 1);
+bail:
+        unlock_kernel();
+        return err;
+}
+
+static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *symlink)
+{
+        const char *name = dentry->d_name.name;
+        unsigned len = dentry->d_name.len;
+        struct buffer_head *bh;
+        struct fnode *fnode;
+        fnode_secno fno;
+        int r;
+        struct hpfs_dirent dee;
+        struct inode *result;
+        int err;
+        if ((err = hpfs_chk_name((char *)name, &len))) return err==-ENOENT ? -EINVAL : err;
+        lock_kernel();
+        if (hpfs_sb(dir->i_sb)->sb_eas < 2) {
+                unlock_kernel();
+                return -EPERM;
+        }
+        err = -ENOSPC;
+        fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
+        if (!fnode)
+                goto bail;
+        memset(&dee, 0, sizeof dee);
+        dee.archive = 1;
+        dee.hidden = name[0] == '.';
+        dee.fnode = fno;
+        dee.creation_date = dee.write_date = dee.read_date = gmt_to_local(dir->i_sb, get_seconds());
+
+        result = new_inode(dir->i_sb);
+        if (!result)
+                goto bail1;
+        result->i_ino = fno;
+        hpfs_init_inode(result);
+        hpfs_i(result)->i_parent_dir = dir->i_ino;
+        result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, dee.creation_date);
+        result->i_ctime.tv_nsec = 0;
+        result->i_mtime.tv_nsec = 0;
+        result->i_atime.tv_nsec = 0;
+        hpfs_i(result)->i_ea_size = 0;
+        result->i_mode = S_IFLNK | 0777;
+        result->i_uid = current->fsuid;
+        result->i_gid = current->fsgid;
+        result->i_blocks = 1;
+        result->i_nlink = 1;
+        result->i_size = strlen(symlink);
+        result->i_op = &page_symlink_inode_operations;
+        result->i_data.a_ops = &hpfs_symlink_aops;
+
+        down(&hpfs_i(dir)->i_sem);
+        r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
+        if (r == 1)
+                goto bail2;
+        if (r == -1) {
+                err = -EEXIST;
+                goto bail2;
+        }
+        fnode->len = len;
+        memcpy(fnode->name, name, len > 15 ? 15 : len);
+        fnode->up = dir->i_ino;
+        hpfs_set_ea(result, fnode, "SYMLINK", (char *)symlink, strlen(symlink));
+        mark_buffer_dirty(bh);
+        brelse(bh);
+
+        insert_inode_hash(result);
+
+        hpfs_write_inode_nolock(result);
+        d_instantiate(dentry, result);
+        up(&hpfs_i(dir)->i_sem);
+        unlock_kernel();
+        return 0;
+bail2:
+        up(&hpfs_i(dir)->i_sem);
+        iput(result);
+bail1:
+        brelse(bh);
+        hpfs_free_sectors(dir->i_sb, fno, 1);
+bail:
+        unlock_kernel();
+        return err;
+}
+
+static int hpfs_unlink(struct inode *dir, struct dentry *dentry)
+{
+        const char *name = dentry->d_name.name;
+        unsigned len = dentry->d_name.len;
+        struct quad_buffer_head qbh;
+        struct hpfs_dirent *de;
+        struct inode *inode = dentry->d_inode;
+        dnode_secno dno;
+        fnode_secno fno;
+        int r;
+        int rep = 0;
+        int err;
+
+        lock_kernel();
+        hpfs_adjust_length((char *)name, &len);
+again:
+        down(&hpfs_i(inode)->i_parent);
+        down(&hpfs_i(dir)->i_sem);
+        err = -ENOENT;
+        de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *)name, len, &dno, &qbh);
+        if (!de)
+                goto out;
+
+        err = -EPERM;
+        if (de->first)
+                goto out1;
+
+        err = -EISDIR;
+        if (de->directory)
+                goto out1;
+
+        fno = de->fnode;
+        r = hpfs_remove_dirent(dir, dno, de, &qbh, 1);
+        switch (r) {
+        case 1:
+                hpfs_error(dir->i_sb, "there was error when removing dirent");
+                err = -EFSERROR;
+                break;
+        case 2:         /* no space for deleting, try to truncate file */
+
+                err = -ENOSPC;
+                if (rep++)
+                        break;
+
+                up(&hpfs_i(dir)->i_sem);
+                up(&hpfs_i(inode)->i_parent);
+                d_drop(dentry);
+                spin_lock(&dentry->d_lock);
+                if (atomic_read(&dentry->d_count) > 1 ||
+                    permission(inode, MAY_WRITE, NULL) ||
+                    !S_ISREG(inode->i_mode) ||
+                    get_write_access(inode)) {
+                        spin_unlock(&dentry->d_lock);
+                        d_rehash(dentry);
+                } else {
+                        struct iattr newattrs;
+                        spin_unlock(&dentry->d_lock);
+                        /*printk("HPFS: truncating file before delete.\n");*/
+                        newattrs.ia_size = 0;
+                        newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
+                        err = notify_change(dentry, &newattrs);
+                        put_write_access(inode);
+                        if (!err)
+                                goto again;
+                }
+                unlock_kernel();
+                return -ENOSPC;
+        default:
+                inode->i_nlink--;
+                err = 0;
+        }
+        goto out;
+
+out1:
+        hpfs_brelse4(&qbh);
+out:
+        up(&hpfs_i(dir)->i_sem);
+        up(&hpfs_i(inode)->i_parent);
+        unlock_kernel();
+        return err;
+}
+
+static int hpfs_rmdir(struct inode *dir, struct dentry *dentry)
+{
+        const char *name = dentry->d_name.name;
+        unsigned len = dentry->d_name.len;
+        struct quad_buffer_head qbh;
+        struct hpfs_dirent *de;
+        struct inode *inode = dentry->d_inode;
+        dnode_secno dno;
+        fnode_secno fno;
+        int n_items = 0;
+        int err;
+        int r;
+
+        hpfs_adjust_length((char *)name, &len);
+        lock_kernel();
+        down(&hpfs_i(inode)->i_parent);
+        down(&hpfs_i(dir)->i_sem);
+        err = -ENOENT;
+        de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *)name, len, &dno, &qbh);
+        if (!de)
+                goto out;
+
+        err = -EPERM;
+        if (de->first)
+                goto out1;
+
+        err = -ENOTDIR;
+        if (!de->directory)
+                goto out1;
+
+        hpfs_count_dnodes(dir->i_sb, hpfs_i(inode)->i_dno, NULL, NULL, &n_items);
+        err = -ENOTEMPTY;
+        if (n_items)
+                goto out1;
+
+        fno = de->fnode;
+        r = hpfs_remove_dirent(dir, dno, de, &qbh, 1);
+        switch (r) {
+        case 1:
+                hpfs_error(dir->i_sb, "there was error when removing dirent");
+                err = -EFSERROR;
+                break;
+        case 2:
+                err = -ENOSPC;
+                break;
+        default:
+                dir->i_nlink--;
+                inode->i_nlink = 0;
+                err = 0;
+        }
+        goto out;
+out1:
+        hpfs_brelse4(&qbh);
+out:
+        up(&hpfs_i(dir)->i_sem);
+        up(&hpfs_i(inode)->i_parent);
+        unlock_kernel();
+        return err;
+}
+
+static int hpfs_symlink_readpage(struct file *file, struct page *page)
+{
+        char *link = kmap(page);
+        struct inode *i = page->mapping->host;
+        struct fnode *fnode;
+        struct buffer_head *bh;
+        int err;
+
+        err = -EIO;
+        lock_kernel();
+        if (!(fnode = hpfs_map_fnode(i->i_sb, i->i_ino, &bh)))
+                goto fail;
+        err = hpfs_read_ea(i->i_sb, fnode, "SYMLINK", link, PAGE_SIZE);
+        brelse(bh);
+        if (err)
+                goto fail;
+        unlock_kernel();
+        SetPageUptodate(page);
+        kunmap(page);
+        unlock_page(page);
+        return 0;
+
+fail:
+        unlock_kernel();
+        SetPageError(page);
+        kunmap(page);
+        unlock_page(page);
+        return err;
+}
+
+struct address_space_operations hpfs_symlink_aops = {
+        .readpage       = hpfs_symlink_readpage
+};
+        
+static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
+                struct inode *new_dir, struct dentry *new_dentry)
+{
+        char *old_name = (char *)old_dentry->d_name.name;
+        int old_len = old_dentry->d_name.len;
+        char *new_name = (char *)new_dentry->d_name.name;
+        int new_len = new_dentry->d_name.len;
+        struct inode *i = old_dentry->d_inode;
+        struct inode *new_inode = new_dentry->d_inode;
+        struct quad_buffer_head qbh, qbh1;
+        struct hpfs_dirent *dep, *nde;
+        struct hpfs_dirent de;
+        dnode_secno dno;
+        int r;
+        struct buffer_head *bh;
+        struct fnode *fnode;
+        int err;
+        if ((err = hpfs_chk_name((char *)new_name, &new_len))) return err;
+        err = 0;
+        hpfs_adjust_length((char *)old_name, &old_len);
+
+        lock_kernel();
+        /* order doesn't matter, due to VFS exclusion */
+        down(&hpfs_i(i)->i_parent);
+        if (new_inode)
+                down(&hpfs_i(new_inode)->i_parent);
+        down(&hpfs_i(old_dir)->i_sem);
+        if (new_dir != old_dir)
+                down(&hpfs_i(new_dir)->i_sem);
+        
+        /* Erm? Moving over the empty non-busy directory is perfectly legal */
+        if (new_inode && S_ISDIR(new_inode->i_mode)) {
+                err = -EINVAL;
+                goto end1;
+        }
+
+        if (!(dep = map_dirent(old_dir, hpfs_i(old_dir)->i_dno, (char *)old_name, old_len, &dno, &qbh))) {
+                hpfs_error(i->i_sb, "lookup succeeded but map dirent failed");
+                err = -ENOENT;
+                goto end1;
+        }
+        copy_de(&de, dep);
+        de.hidden = new_name[0] == '.';
+
+        if (new_inode) {
+                int r;
+                if ((r = hpfs_remove_dirent(old_dir, dno, dep, &qbh, 1)) != 2) {
+                        if ((nde = map_dirent(new_dir, hpfs_i(new_dir)->i_dno, (char *)new_name, new_len, NULL, &qbh1))) {
+                                new_inode->i_nlink = 0;
+                                copy_de(nde, &de);
+                                memcpy(nde->name, new_name, new_len);
+                                hpfs_mark_4buffers_dirty(&qbh1);
+                                hpfs_brelse4(&qbh1);
+                                goto end;
+                        }
+                        hpfs_error(new_dir->i_sb, "hpfs_rename: could not find dirent");
+                        err = -EFSERROR;
+                        goto end1;
+                }
+                err = r == 2 ? -ENOSPC : r == 1 ? -EFSERROR : 0;
+                goto end1;
+        }
+
+        if (new_dir == old_dir) hpfs_brelse4(&qbh);
+
+        hpfs_lock_creation(i->i_sb);
+        if ((r = hpfs_add_dirent(new_dir, new_name, new_len, &de, 1))) {
+                hpfs_unlock_creation(i->i_sb);
+                if (r == -1) hpfs_error(new_dir->i_sb, "hpfs_rename: dirent already exists!");
+                err = r == 1 ? -ENOSPC : -EFSERROR;
+                if (new_dir != old_dir) hpfs_brelse4(&qbh);
+                goto end1;
+        }
+        
+        if (new_dir == old_dir)
+                if (!(dep = map_dirent(old_dir, hpfs_i(old_dir)->i_dno, (char *)old_name, old_len, &dno, &qbh))) {
+                        hpfs_unlock_creation(i->i_sb);
+                        hpfs_error(i->i_sb, "lookup succeeded but map dirent failed at #2");
+                        err = -ENOENT;
+                        goto end1;
+                }
+
+        if ((r = hpfs_remove_dirent(old_dir, dno, dep, &qbh, 0))) {
+                hpfs_unlock_creation(i->i_sb);
+                hpfs_error(i->i_sb, "hpfs_rename: could not remove dirent");
+                err = r == 2 ? -ENOSPC : -EFSERROR;
+                goto end1;
+        }
+        hpfs_unlock_creation(i->i_sb);
+        
+        end:
+        hpfs_i(i)->i_parent_dir = new_dir->i_ino;
+        if (S_ISDIR(i->i_mode)) {
+                new_dir->i_nlink++;
+                old_dir->i_nlink--;
+        }
+        if ((fnode = hpfs_map_fnode(i->i_sb, i->i_ino, &bh))) {
+                fnode->up = new_dir->i_ino;
+                fnode->len = new_len;
+                memcpy(fnode->name, new_name, new_len>15?15:new_len);
+                if (new_len < 15) memset(&fnode->name[new_len], 0, 15 - new_len);
+                mark_buffer_dirty(bh);
+                brelse(bh);
+        }
+        hpfs_i(i)->i_conv = hpfs_sb(i->i_sb)->sb_conv;
+        hpfs_decide_conv(i, (char *)new_name, new_len);
+end1:
+        if (old_dir != new_dir)
+                up(&hpfs_i(new_dir)->i_sem);
+        up(&hpfs_i(old_dir)->i_sem);
+        up(&hpfs_i(i)->i_parent);
+        if (new_inode)
+                up(&hpfs_i(new_inode)->i_parent);
+        unlock_kernel();
+        return err;
+}
+
+struct inode_operations hpfs_dir_iops =
+{
+        .create         = hpfs_create,
+        .lookup         = hpfs_lookup,
+        .unlink         = hpfs_unlink,
+        .symlink        = hpfs_symlink,
+        .mkdir          = hpfs_mkdir,
+        .rmdir          = hpfs_rmdir,
+        .mknod          = hpfs_mknod,
+        .rename         = hpfs_rename,
+        .setattr        = hpfs_notify_change,
+};