2 * Ceph cache definitions.
4 * Copyright (C) 2013 by Adfin Solutions, Inc. All Rights Reserved.
5 * Written by Milosz Tanski (milosz@adfin.com)
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2
9 * as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to:
18 * Free Software Foundation
19 * 51 Franklin Street, Fifth Floor
20 * Boston, MA 02111-1301 USA
27 #ifdef CONFIG_CEPH_FSCACHE
29 int ceph_fscache_register(void);
30 void ceph_fscache_unregister(void);
32 int ceph_fscache_register_fs(struct ceph_fs_client* fsc);
33 void ceph_fscache_unregister_fs(struct ceph_fs_client* fsc);
35 void ceph_fscache_inode_init(struct ceph_inode_info *ci);
36 void ceph_fscache_register_inode_cookie(struct ceph_fs_client* fsc,
37 struct ceph_inode_info* ci);
38 void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci);
40 int ceph_readpage_from_fscache(struct inode *inode, struct page *page);
41 int ceph_readpages_from_fscache(struct inode *inode,
42 struct address_space *mapping,
43 struct list_head *pages,
45 void ceph_readpage_to_fscache(struct inode *inode, struct page *page);
46 void ceph_invalidate_fscache_page(struct inode* inode, struct page *page);
47 void ceph_queue_revalidate(struct inode *inode);
49 static inline void ceph_fscache_invalidate(struct inode *inode)
51 fscache_invalidate(ceph_inode(inode)->fscache);
54 static inline void ceph_fscache_uncache_page(struct inode *inode,
57 struct ceph_inode_info *ci = ceph_inode(inode);
58 return fscache_uncache_page(ci->fscache, page);
61 static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp)
63 struct inode* inode = page->mapping->host;
64 struct ceph_inode_info *ci = ceph_inode(inode);
65 return fscache_maybe_release_page(ci->fscache, page, gfp);
68 static inline void ceph_fscache_readpages_cancel(struct inode *inode,
69 struct list_head *pages)
71 struct ceph_inode_info *ci = ceph_inode(inode);
72 return fscache_readpages_cancel(ci->fscache, pages);
77 static inline int ceph_fscache_register(void)
82 static inline void ceph_fscache_unregister(void)
86 static inline int ceph_fscache_register_fs(struct ceph_fs_client* fsc)
91 static inline void ceph_fscache_unregister_fs(struct ceph_fs_client* fsc)
95 static inline void ceph_fscache_inode_init(struct ceph_inode_info *ci)
99 static inline void ceph_fscache_register_inode_cookie(struct ceph_fs_client* parent_fsc,
100 struct ceph_inode_info* ci)
104 static inline void ceph_fscache_uncache_page(struct inode *inode,
109 static inline int ceph_readpage_from_fscache(struct inode* inode,
115 static inline int ceph_readpages_from_fscache(struct inode *inode,
116 struct address_space *mapping,
117 struct list_head *pages,
123 static inline void ceph_readpage_to_fscache(struct inode *inode,
128 static inline void ceph_fscache_invalidate(struct inode *inode)
132 static inline void ceph_invalidate_fscache_page(struct inode *inode,
137 static inline void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci)
141 static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp)
146 static inline void ceph_fscache_readpages_cancel(struct inode *inode,
147 struct list_head *pages)
151 static inline void ceph_queue_revalidate(struct inode *inode)