struct address_space *mapping,
struct list_head *pages,
unsigned *nr_pages);
-void ceph_readpage_to_fscache(struct inode *inode, struct page *page);
-void ceph_invalidate_fscache_page(struct inode* inode, struct page *page);
static inline void ceph_fscache_inode_init(struct ceph_inode_info *ci)
{
ci->fscache = NULL;
- ci->i_fscache_gen = 0;
}
static inline void ceph_fscache_invalidate(struct inode *inode)
fscache_invalidate(ceph_inode(inode)->fscache);
}
-static inline void ceph_fscache_uncache_page(struct inode *inode,
- struct page *page)
-{
- struct ceph_inode_info *ci = ceph_inode(inode);
- return fscache_uncache_page(ci->fscache, page);
-}
-
-static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp)
-{
- struct inode* inode = page->mapping->host;
- struct ceph_inode_info *ci = ceph_inode(inode);
- return fscache_maybe_release_page(ci->fscache, page, gfp);
-}
-
-static inline void ceph_fscache_readpage_cancel(struct inode *inode,
- struct page *page)
-{
- struct ceph_inode_info *ci = ceph_inode(inode);
- if (fscache_cookie_valid(ci->fscache) && PageFsCache(page))
- __fscache_uncache_page(ci->fscache, page);
-}
-
-static inline void ceph_fscache_readpages_cancel(struct inode *inode,
- struct list_head *pages)
-{
- struct ceph_inode_info *ci = ceph_inode(inode);
- return fscache_readpages_cancel(ci->fscache, pages);
-}
-
-static inline void ceph_disable_fscache_readpage(struct ceph_inode_info *ci)
-{
- ci->i_fscache_gen = ci->i_rdcache_gen - 1;
-}
-
#else
static inline int ceph_fscache_register(void)
{
}
-static inline void ceph_fscache_revalidate_cookie(struct ceph_inode_info *ci)
-{
-}
-
-static inline void ceph_fscache_uncache_page(struct inode *inode,
- struct page *pages)
-{
-}
-
-static inline int ceph_readpage_from_fscache(struct inode* inode,
- struct page *page)
-{
- return -ENOBUFS;
-}
-
-static inline int ceph_readpages_from_fscache(struct inode *inode,
- struct address_space *mapping,
- struct list_head *pages,
- unsigned *nr_pages)
-{
- return -ENOBUFS;
-}
-
-static inline void ceph_readpage_to_fscache(struct inode *inode,
- struct page *page)
-{
-}
-
static inline void ceph_fscache_invalidate(struct inode *inode)
{
}
-static inline void ceph_invalidate_fscache_page(struct inode *inode,
- struct page *page)
-{
-}
-
-static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp)
-{
- return 1;
-}
-
-static inline void ceph_fscache_readpage_cancel(struct inode *inode,
- struct page *page)
-{
-}
-
-static inline void ceph_fscache_readpages_cancel(struct inode *inode,
- struct list_head *pages)
-{
-}
-
-static inline void ceph_disable_fscache_readpage(struct ceph_inode_info *ci)
-{
-}
-
#endif
-#endif
+#endif /* _CEPH_CACHE_H */