Merge HEAD from master.kernel.org:/home/rmk/linux-2.6-ucb.git

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

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 0b01b96337f80003a7220bbb124b3c5692476074..9a6047ff1b25b198a869678463ed0561cbf417cc 100644 (file)
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -84,6 +84,8 @@ struct nfs_open_context {
        int error;
 
        struct list_head list;
+
+       __u64 dir_cookie;
 };
 
 /*
@@ -91,6 +93,8 @@ struct nfs_open_context {
  */
 struct nfs_delegation;
 
+struct posix_acl;
+
 /*
  * nfs fs inode data in memory
  */
@@ -108,7 +112,8 @@ struct nfs_inode {
        /*
         * Various flags
         */
-       unsigned int            flags;
+       unsigned long           flags;                  /* atomic bit ops */
+       unsigned long           cache_validity;         /* bit mask */
 
        /*
         * read_cache_jiffies is when we started read-caching this inode,
@@ -144,6 +149,10 @@ struct nfs_inode {
        atomic_t                data_updates;
 
        struct nfs_access_entry cache_access;
+#ifdef CONFIG_NFS_V3_ACL
+       struct posix_acl        *acl_access;
+       struct posix_acl        *acl_default;
+#endif
 
        /*
         * This is the cookie verifier used for NFSv3 readdir
@@ -166,29 +175,33 @@ struct nfs_inode {
        /* Open contexts for shared mmap writes */
        struct list_head        open_files;
 
-       wait_queue_head_t       nfs_i_wait;
-
 #ifdef CONFIG_NFS_V4
+       struct nfs4_cached_acl  *nfs4_acl;
         /* NFSv4 state */
        struct list_head        open_states;
        struct nfs_delegation   *delegation;
        int                      delegation_state;
        struct rw_semaphore     rwsem;
 #endif /* CONFIG_NFS_V4*/
-
        struct inode            vfs_inode;
 };
 
 /*
- * Legal inode flag values
+ * Cache validity bit flags
+ */
+#define NFS_INO_INVALID_ATTR   0x0001          /* cached attrs are invalid */
+#define NFS_INO_INVALID_DATA   0x0002          /* cached data is invalid */
+#define NFS_INO_INVALID_ATIME  0x0004          /* cached atime is invalid */
+#define NFS_INO_INVALID_ACCESS 0x0008          /* cached access cred invalid */
+#define NFS_INO_INVALID_ACL    0x0010          /* cached acls are invalid */
+#define NFS_INO_REVAL_PAGECACHE        0x0020          /* must revalidate pagecache */
+
+/*
+ * Bit offsets in flags field
  */
-#define NFS_INO_STALE          0x0001          /* possible stale inode */
-#define NFS_INO_ADVISE_RDPLUS   0x0002          /* advise readdirplus */
-#define NFS_INO_REVALIDATING   0x0004          /* revalidating attrs */
-#define NFS_INO_INVALID_ATTR   0x0008          /* cached attrs are invalid */
-#define NFS_INO_INVALID_DATA   0x0010          /* cached data is invalid */
-#define NFS_INO_INVALID_ATIME  0x0020          /* cached atime is invalid */
-#define NFS_INO_INVALID_ACCESS 0x0040          /* cached access cred invalid */
+#define NFS_INO_REVALIDATING   (0)             /* revalidating attrs */
+#define NFS_INO_ADVISE_RDPLUS  (1)             /* advise readdirplus */
+#define NFS_INO_STALE          (2)             /* possible stale inode */
 
 static inline struct nfs_inode *NFS_I(struct inode *inode)
 {
@@ -214,8 +227,7 @@ static inline struct nfs_inode *NFS_I(struct inode *inode)
 #define NFS_ATTRTIMEO_UPDATE(inode)    (NFS_I(inode)->attrtimeo_timestamp)
 
 #define NFS_FLAGS(inode)               (NFS_I(inode)->flags)
-#define NFS_REVALIDATING(inode)                (NFS_FLAGS(inode) & NFS_INO_REVALIDATING)
-#define NFS_STALE(inode)               (NFS_FLAGS(inode) & NFS_INO_STALE)
+#define NFS_STALE(inode)               (test_bit(NFS_INO_STALE, &NFS_FLAGS(inode)))
 
 #define NFS_FILEID(inode)              (NFS_I(inode)->fileid)
 
@@ -226,8 +238,11 @@ static inline int nfs_caches_unstable(struct inode *inode)
 
 static inline void NFS_CACHEINV(struct inode *inode)
 {
-       if (!nfs_caches_unstable(inode))
-               NFS_FLAGS(inode) |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS;
+       if (!nfs_caches_unstable(inode)) {
+               spin_lock(&inode->i_lock);
+               NFS_I(inode)->cache_validity |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS;
+               spin_unlock(&inode->i_lock);
+       }
 }
 
 static inline int nfs_server_capable(struct inode *inode, int cap)
@@ -237,7 +252,7 @@ static inline int nfs_server_capable(struct inode *inode, int cap)
 
 static inline int NFS_USE_READDIRPLUS(struct inode *inode)
 {
-       return NFS_FLAGS(inode) & NFS_INO_ADVISE_RDPLUS;
+       return test_bit(NFS_INO_ADVISE_RDPLUS, &NFS_FLAGS(inode));
 }
 
 /**
@@ -280,12 +295,13 @@ extern int nfs_release(struct inode *, struct file *);
 extern int nfs_attribute_timeout(struct inode *inode);
 extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode);
 extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *);
+extern void nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping);
 extern int nfs_setattr(struct dentry *, struct iattr *);
+extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr);
 extern void nfs_begin_attr_update(struct inode *);
 extern void nfs_end_attr_update(struct inode *);
 extern void nfs_begin_data_update(struct inode *);
 extern void nfs_end_data_update(struct inode *);
-extern void nfs_end_data_update_defer(struct inode *);
 extern struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred);
 extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx);
 extern void put_nfs_open_context(struct nfs_open_context *ctx);
@@ -300,6 +316,9 @@ extern u32 root_nfs_parse_addr(char *name); /*__init*/
  * linux/fs/nfs/file.c
  */
 extern struct inode_operations nfs_file_inode_operations;
+#ifdef CONFIG_NFS_V3
+extern struct inode_operations nfs3_file_inode_operations;
+#endif /* CONFIG_NFS_V3 */
 extern struct file_operations nfs_file_operations;
 extern struct address_space_operations nfs_file_aops;
 
@@ -314,6 +333,22 @@ static inline struct rpc_cred *nfs_file_cred(struct file *file)
        return NULL;
 }
 
+/*
+ * linux/fs/nfs/xattr.c
+ */
+#ifdef CONFIG_NFS_V3_ACL
+extern ssize_t nfs3_listxattr(struct dentry *, char *, size_t);
+extern ssize_t nfs3_getxattr(struct dentry *, const char *, void *, size_t);
+extern int nfs3_setxattr(struct dentry *, const char *,
+                       const void *, size_t, int);
+extern int nfs3_removexattr (struct dentry *, const char *name);
+#else
+# define nfs3_listxattr NULL
+# define nfs3_getxattr NULL
+# define nfs3_setxattr NULL
+# define nfs3_removexattr NULL
+#endif
+
 /*
  * linux/fs/nfs/direct.c
  */
@@ -328,6 +363,9 @@ extern ssize_t nfs_file_direct_write(struct kiocb *iocb, const char __user *buf,
  * linux/fs/nfs/dir.c
  */
 extern struct inode_operations nfs_dir_inode_operations;
+#ifdef CONFIG_NFS_V3
+extern struct inode_operations nfs3_dir_inode_operations;
+#endif /* CONFIG_NFS_V3 */
 extern struct file_operations nfs_dir_operations;
 extern struct dentry_operations nfs_dentry_operations;
 
@@ -363,10 +401,10 @@ extern void nfs_commit_done(struct rpc_task *);
  */
 extern int  nfs_sync_inode(struct inode *, unsigned long, unsigned int, int);
 #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
-extern int  nfs_commit_inode(struct inode *, unsigned long, unsigned int, int);
+extern int  nfs_commit_inode(struct inode *, int);
 #else
 static inline int
-nfs_commit_inode(struct inode *inode, unsigned long idx_start, unsigned int npages, int how)
+nfs_commit_inode(struct inode *inode, int how)
 {
        return 0;
 }
@@ -448,6 +486,29 @@ static inline void nfs_readdata_free(struct nfs_read_data *p)
 
 extern void  nfs_readdata_release(struct rpc_task *task);
 
+/*
+ * linux/fs/nfs3proc.c
+ */
+#ifdef CONFIG_NFS_V3_ACL
+extern struct posix_acl *nfs3_proc_getacl(struct inode *inode, int type);
+extern int nfs3_proc_setacl(struct inode *inode, int type,
+                           struct posix_acl *acl);
+extern int nfs3_proc_set_default_acl(struct inode *dir, struct inode *inode,
+               mode_t mode);
+extern void nfs3_forget_cached_acls(struct inode *inode);
+#else
+static inline int nfs3_proc_set_default_acl(struct inode *dir,
+                                           struct inode *inode,
+                                           mode_t mode)
+{
+       return 0;
+}
+
+static inline void nfs3_forget_cached_acls(struct inode *inode)
+{
+}
+#endif /* CONFIG_NFS_V3_ACL */
+
 /*
  * linux/fs/mount_clnt.c
  * (Used only by nfsroot module)