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| author | David Howells <dhowells@redhat.com> | 2009-04-03 16:42:45 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2009-04-03 16:42:45 +0100 |
| commit | 7f8e05f60c87646e12c761fef61dd71a7e67112e (patch) | |
| tree | f33bfcd5b4662a48890e8245362b381437be76fb /fs/nfs/fscache.h | |
| parent | 9a9fc1c03315f1606596e55b4096d39e2079a041 (diff) | |
| download | blackbird-op-linux-7f8e05f60c87646e12c761fef61dd71a7e67112e.tar.gz blackbird-op-linux-7f8e05f60c87646e12c761fef61dd71a7e67112e.zip | |
NFS: Store pages from an NFS inode into a local cache
Store pages from an NFS inode into the cache data storage object associated
with that inode.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Tested-by: Daire Byrne <Daire.Byrne@framestore.com>
Diffstat (limited to 'fs/nfs/fscache.h')
| -rw-r--r-- | fs/nfs/fscache.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h index 099349c171ca..1ec3ebb0efcd 100644 --- a/fs/nfs/fscache.h +++ b/fs/nfs/fscache.h @@ -91,6 +91,7 @@ extern int __nfs_readpage_from_fscache(struct nfs_open_context *, extern int __nfs_readpages_from_fscache(struct nfs_open_context *, struct inode *, struct address_space *, struct list_head *, unsigned *); +extern void __nfs_readpage_to_fscache(struct inode *, struct page *, int); /* * wait for a page to complete writing to the cache @@ -140,6 +141,19 @@ static inline int nfs_readpages_from_fscache(struct nfs_open_context *ctx, return -ENOBUFS; } +/* + * Store a page newly fetched from the server in an inode data storage object + * in the cache. + */ +static inline void nfs_readpage_to_fscache(struct inode *inode, + struct page *page, + int sync) +{ + if (PageFsCache(page)) + __nfs_readpage_to_fscache(inode, page, sync); +} + + #else /* CONFIG_NFS_FSCACHE */ static inline int nfs_fscache_register(void) { return 0; } static inline void nfs_fscache_unregister(void) {} @@ -184,6 +198,8 @@ static inline int nfs_readpages_from_fscache(struct nfs_open_context *ctx, { return -ENOBUFS; } +static inline void nfs_readpage_to_fscache(struct inode *inode, + struct page *page, int sync) {} #endif /* CONFIG_NFS_FSCACHE */ #endif /* _NFS_FSCACHE_H */ |
