Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzi...

[safe/jmp/linux-2.6] / include / linux / nfs_fs.h

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index db867b0..fdffb41 100644 (file)
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -166,8 +166,7 @@ struct nfs_inode {
         */
        struct radix_tree_root  nfs_page_tree;
 
-       unsigned long           ncommit,
-                               npages;
+       unsigned long           npages;
 
        /* Open contexts for shared mmap writes */
        struct list_head        open_files;
@@ -186,6 +185,9 @@ struct nfs_inode {
        fmode_t                  delegation_state;
        struct rw_semaphore     rwsem;
 #endif /* CONFIG_NFS_V4*/
+#ifdef CONFIG_NFS_FSCACHE
+       struct fscache_cookie   *fscache;
+#endif
        struct inode            vfs_inode;
 };
 
@@ -207,6 +209,9 @@ struct nfs_inode {
 #define NFS_INO_STALE          (1)             /* possible stale inode */
 #define NFS_INO_ACL_LRU_SET    (2)             /* Inode is on the LRU list */
 #define NFS_INO_MOUNTPOINT     (3)             /* inode is remote mountpoint */
+#define NFS_INO_FLUSHING       (4)             /* inode is flushing out data */
+#define NFS_INO_FSCACHE                (5)             /* inode can be cached by FS-Cache */
+#define NFS_INO_FSCACHE_LOCK   (6)             /* FS-Cache cookie management lock */
 
 static inline struct nfs_inode *NFS_I(const struct inode *inode)
 {
@@ -260,6 +265,11 @@ static inline int NFS_STALE(const struct inode *inode)
        return test_bit(NFS_INO_STALE, &NFS_I(inode)->flags);
 }
 
+static inline int NFS_FSCACHE(const struct inode *inode)
+{
+       return test_bit(NFS_INO_FSCACHE, &NFS_I(inode)->flags);
+}
+
 static inline __u64 NFS_FILEID(const struct inode *inode)
 {
        return NFS_I(inode)->fileid;
@@ -415,7 +425,7 @@ extern const struct inode_operations nfs_dir_inode_operations;
 extern const struct inode_operations nfs3_dir_inode_operations;
 #endif /* CONFIG_NFS_V3 */
 extern const struct file_operations nfs_dir_operations;
-extern struct dentry_operations nfs_dentry_operations;
+extern const struct dentry_operations nfs_dentry_operations;
 
 extern void nfs_force_lookup_revalidate(struct inode *dir);
 extern int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fh, struct nfs_fattr *fattr);
@@ -506,6 +516,8 @@ extern int  nfs_readpages(struct file *, struct address_space *,
                struct list_head *, unsigned);
 extern int  nfs_readpage_result(struct rpc_task *, struct nfs_read_data *);
 extern void nfs_readdata_release(void *data);
+extern int  nfs_readpage_async(struct nfs_open_context *, struct inode *,
+                              struct page *);
 
 /*
  * Allocate nfs_read_data structures
@@ -583,6 +595,7 @@ extern void * nfs_root_data(void);
 #define NFSDBG_CALLBACK                0x0100
 #define NFSDBG_CLIENT          0x0200
 #define NFSDBG_MOUNT           0x0400
+#define NFSDBG_FSCACHE         0x0800
 #define NFSDBG_ALL             0xFFFF
 
 #ifdef __KERNEL__