Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[sfrench/cifs-2.6.git] / include / linux / fs_struct.h

diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index 78a05bfcd8ebd6075b2add0da9da064804e645d6..eca3d5202138f68bb30dd1a308aaf4e121171663 100644 (file)
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -21,4 +21,31 @@ extern void free_fs_struct(struct fs_struct *);
 extern void daemonize_fs_struct(void);
 extern int unshare_fs_struct(void);
 
+static inline void get_fs_root(struct fs_struct *fs, struct path *root)
+{
+       read_lock(&fs->lock);
+       *root = fs->root;
+       path_get(root);
+       read_unlock(&fs->lock);
+}
+
+static inline void get_fs_pwd(struct fs_struct *fs, struct path *pwd)
+{
+       read_lock(&fs->lock);
+       *pwd = fs->pwd;
+       path_get(pwd);
+       read_unlock(&fs->lock);
+}
+
+static inline void get_fs_root_and_pwd(struct fs_struct *fs, struct path *root,
+                                      struct path *pwd)
+{
+       read_lock(&fs->lock);
+       *root = fs->root;
+       path_get(root);
+       *pwd = fs->pwd;
+       path_get(pwd);
+       read_unlock(&fs->lock);
+}
+
 #endif /* _LINUX_FS_STRUCT_H */