1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Ceph cache definitions.
5 * Copyright (C) 2013 by Adfin Solutions, Inc. All Rights Reserved.
6 * Written by Milosz Tanski (milosz@adfin.com)
12 #include <linux/netfs.h>
14 #ifdef CONFIG_CEPH_FSCACHE
16 extern struct fscache_netfs ceph_cache_netfs
;
18 int ceph_fscache_register(void);
19 void ceph_fscache_unregister(void);
21 int ceph_fscache_register_fs(struct ceph_fs_client
* fsc
, struct fs_context
*fc
);
22 void ceph_fscache_unregister_fs(struct ceph_fs_client
* fsc
);
24 void ceph_fscache_register_inode_cookie(struct inode
*inode
);
25 void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info
* ci
);
26 void ceph_fscache_file_set_cookie(struct inode
*inode
, struct file
*filp
);
27 void ceph_fscache_revalidate_cookie(struct ceph_inode_info
*ci
);
29 static inline void ceph_fscache_inode_init(struct ceph_inode_info
*ci
)
34 static inline struct fscache_cookie
*ceph_fscache_cookie(struct ceph_inode_info
*ci
)
39 static inline void ceph_fscache_invalidate(struct inode
*inode
)
41 fscache_invalidate(ceph_inode(inode
)->fscache
);
44 static inline bool ceph_is_cache_enabled(struct inode
*inode
)
46 struct fscache_cookie
*cookie
= ceph_fscache_cookie(ceph_inode(inode
));
50 return fscache_cookie_enabled(cookie
);
53 static inline int ceph_begin_cache_operation(struct netfs_read_request
*rreq
)
55 struct fscache_cookie
*cookie
= ceph_fscache_cookie(ceph_inode(rreq
->inode
));
57 return fscache_begin_read_operation(rreq
, cookie
);
61 static inline int ceph_fscache_register(void)
66 static inline void ceph_fscache_unregister(void)
70 static inline int ceph_fscache_register_fs(struct ceph_fs_client
* fsc
,
71 struct fs_context
*fc
)
76 static inline void ceph_fscache_unregister_fs(struct ceph_fs_client
* fsc
)
80 static inline void ceph_fscache_inode_init(struct ceph_inode_info
*ci
)
84 static inline struct fscache_cookie
*ceph_fscache_cookie(struct ceph_inode_info
*ci
)
89 static inline void ceph_fscache_register_inode_cookie(struct inode
*inode
)
93 static inline void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info
* ci
)
97 static inline void ceph_fscache_file_set_cookie(struct inode
*inode
,
102 static inline void ceph_fscache_invalidate(struct inode
*inode
)
106 static inline bool ceph_is_cache_enabled(struct inode
*inode
)
111 static inline int ceph_begin_cache_operation(struct netfs_read_request
*rreq
)
117 #endif /* _CEPH_CACHE_H */