27 	struct inode vfs_inode;
32 static inline struct hostfs_inode_info *HOSTFS_I(struct inode *inode)  in HOSTFS_I()  argument
34 	return list_entry(inode, struct hostfs_inode_info, vfs_inode);  in HOSTFS_I()
128 static char *inode_name(struct inode *ino)  in inode_name()
215 static struct inode *hostfs_alloc_inode(struct super_block *sb)  in hostfs_alloc_inode()
230 static void hostfs_evict_inode(struct inode *inode)  in hostfs_evict_inode()  argument
232 	truncate_inode_pages_final(&inode->i_data);  in hostfs_evict_inode()
233 	clear_inode(inode);  in hostfs_evict_inode()
234 	if (HOSTFS_I(inode)->fd != -1) {  in hostfs_evict_inode()
235 		close_file(&HOSTFS_I(inode)->fd);  in hostfs_evict_inode()
236 		HOSTFS_I(inode)->fd = -1;  in hostfs_evict_inode()
237 		HOSTFS_I(inode)->dev = 0;  in hostfs_evict_inode()
241 static void hostfs_free_inode(struct inode *inode)  in hostfs_free_inode()  argument
243 	kmem_cache_free(hostfs_inode_cache, HOSTFS_I(inode));  in hostfs_free_inode()
295 static int hostfs_open(struct inode *ino, struct file *file)  in hostfs_open()
354 static int hostfs_file_release(struct inode *inode, struct file *file)  in hostfs_file_release()  argument
356 	filemap_write_and_wait(inode->i_mapping);  in hostfs_file_release()
364 	struct inode *inode = file->f_mapping->host;  in hostfs_fsync()  local
371 	inode_lock(inode);  in hostfs_fsync()
372 	ret = fsync_file(HOSTFS_I(inode)->fd, datasync);  in hostfs_fsync()
373 	inode_unlock(inode);  in hostfs_fsync()
401 	struct inode *inode = mapping->host;  in hostfs_writepage()  local
405 	int end_index = inode->i_size >> PAGE_SHIFT;  in hostfs_writepage()
409 		count = inode->i_size & (PAGE_SIZE-1);  in hostfs_writepage()
413 	err = write_file(HOSTFS_I(inode)->fd, &base, buffer, count);  in hostfs_writepage()
421 	if (base > inode->i_size)  in hostfs_writepage()
422 		inode->i_size = base;  in hostfs_writepage()
479 	struct inode *inode = mapping->host;  in hostfs_write_end()  local
495 	if (err > 0 && (pos > inode->i_size))  in hostfs_write_end()
496 		inode->i_size = pos;  in hostfs_write_end()
511 static int hostfs_inode_update(struct inode *ino, const struct hostfs_stat *st)  in hostfs_inode_update()
526 static int hostfs_inode_set(struct inode *ino, void *data)  in hostfs_inode_set()
564 static int hostfs_inode_test(struct inode *inode, void *data)  in hostfs_inode_test()  argument
568 	return inode->i_ino == st->ino && HOSTFS_I(inode)->dev == st->dev;  in hostfs_inode_test()
571 static struct inode *hostfs_iget(struct super_block *sb, char *name)  in hostfs_iget()
573 	struct inode *inode;  in hostfs_iget()  local
580 	inode = iget5_locked(sb, st.ino, hostfs_inode_test, hostfs_inode_set,  in hostfs_iget()
582 	if (!inode)  in hostfs_iget()
585 	if (inode->i_state & I_NEW) {  in hostfs_iget()
586 		unlock_new_inode(inode);  in hostfs_iget()
588 		spin_lock(&inode->i_lock);  in hostfs_iget()
589 		hostfs_inode_update(inode, &st);  in hostfs_iget()
590 		spin_unlock(&inode->i_lock);  in hostfs_iget()
593 	return inode;  in hostfs_iget()
596 static int hostfs_create(struct mnt_idmap *idmap, struct inode *dir,  in hostfs_create()
599 	struct inode *inode;  in hostfs_create()  local
613 	inode = hostfs_iget(dir->i_sb, name);  in hostfs_create()
615 	if (IS_ERR(inode))  in hostfs_create()
616 		return PTR_ERR(inode);  in hostfs_create()
618 	HOSTFS_I(inode)->fd = fd;  in hostfs_create()
619 	HOSTFS_I(inode)->mode = FMODE_READ | FMODE_WRITE;  in hostfs_create()
620 	d_instantiate(dentry, inode);  in hostfs_create()
624 static struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry,  in hostfs_lookup()
627 	struct inode *inode = NULL;  in hostfs_lookup()  local
634 	inode = hostfs_iget(ino->i_sb, name);  in hostfs_lookup()
636 	if (IS_ERR(inode)) {  in hostfs_lookup()
637 		if (PTR_ERR(inode) == -ENOENT)  in hostfs_lookup()
638 			inode = NULL;  in hostfs_lookup()
640 			return ERR_CAST(inode);  in hostfs_lookup()
643 	return d_splice_alias(inode, dentry);  in hostfs_lookup()
646 static int hostfs_link(struct dentry *to, struct inode *ino,  in hostfs_link()
665 static int hostfs_unlink(struct inode *ino, struct dentry *dentry)  in hostfs_unlink()
681 static int hostfs_symlink(struct mnt_idmap *idmap, struct inode *ino,  in hostfs_symlink()
694 static int hostfs_mkdir(struct mnt_idmap *idmap, struct inode *ino,  in hostfs_mkdir()
707 static int hostfs_rmdir(struct inode *ino, struct dentry *dentry)  in hostfs_rmdir()
719 static int hostfs_mknod(struct mnt_idmap *idmap, struct inode *dir,  in hostfs_mknod()
722 	struct inode *inode;  in hostfs_mknod()  local
736 	inode = hostfs_iget(dir->i_sb, name);  in hostfs_mknod()
738 	if (IS_ERR(inode))  in hostfs_mknod()
739 		return PTR_ERR(inode);  in hostfs_mknod()
741 	d_instantiate(dentry, inode);  in hostfs_mknod()
746 			  struct inode *old_dir, struct dentry *old_dentry,  in hostfs_rename2()
747 			  struct inode *new_dir, struct dentry *new_dentry,  in hostfs_rename2()
775 			     struct inode *ino, int desired)  in hostfs_permission()
804 	struct inode *inode = d_inode(dentry);  in hostfs_setattr()  local
809 	int fd = HOSTFS_I(inode)->fd;  in hostfs_setattr()
865 	    attr->ia_size != i_size_read(inode))  in hostfs_setattr()
866 		truncate_setsize(inode, attr->ia_size);  in hostfs_setattr()
868 	setattr_copy(&nop_mnt_idmap, inode, attr);  in hostfs_setattr()
869 	mark_inode_dirty(inode);  in hostfs_setattr()
893 				   struct inode *inode,  in hostfs_get_link()  argument
927 	struct inode *root_inode;  in hostfs_fill_sb_common()