OpenCloudOS-Kernel/fs/9p/cache.h

47 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* V9FS cache definitions.
*
* Copyright (C) 2009 by Abhishek Kulkarni <adkulkar@umail.iu.edu>
*/
#ifndef _9P_CACHE_H
#define _9P_CACHE_H
#define FSCACHE_USE_NEW_IO_API
#include <linux/fscache.h>
#ifdef CONFIG_9P_FSCACHE
extern struct fscache_netfs v9fs_cache_netfs;
extern const struct fscache_cookie_def v9fs_cache_session_index_def;
extern const struct fscache_cookie_def v9fs_cache_inode_index_def;
extern void v9fs_cache_session_get_cookie(struct v9fs_session_info *v9ses);
extern void v9fs_cache_session_put_cookie(struct v9fs_session_info *v9ses);
extern void v9fs_cache_inode_get_cookie(struct inode *inode);
extern void v9fs_cache_inode_put_cookie(struct inode *inode);
extern void v9fs_cache_inode_flush_cookie(struct inode *inode);
extern void v9fs_cache_inode_set_cookie(struct inode *inode, struct file *filp);
extern void v9fs_cache_inode_reset_cookie(struct inode *inode);
extern int __v9fs_cache_register(void);
extern void __v9fs_cache_unregister(void);
#else /* CONFIG_9P_FSCACHE */
static inline void v9fs_cache_inode_get_cookie(struct inode *inode)
{
}
static inline void v9fs_cache_inode_put_cookie(struct inode *inode)
{
}
static inline void v9fs_cache_inode_set_cookie(struct inode *inode, struct file *file)
{
}
#endif /* CONFIG_9P_FSCACHE */
#endif /* _9P_CACHE_H */