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-rw-r--r--include/linux/fs_struct.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
new file mode 100644
index 000000000000..c623d12a486e
--- /dev/null
+++ b/include/linux/fs_struct.h
@@ -0,0 +1,28 @@
+#ifndef _LINUX_FS_STRUCT_H
+#define _LINUX_FS_STRUCT_H
+
+struct dentry;
+struct vfsmount;
+
+struct fs_struct {
+ atomic_t count;
+ rwlock_t lock;
+ int umask;
+ struct dentry * root, * pwd, * altroot;
+ struct vfsmount * rootmnt, * pwdmnt, * altrootmnt;
+};
+
+#define INIT_FS { \
+ .count = ATOMIC_INIT(1), \
+ .lock = RW_LOCK_UNLOCKED, \
+ .umask = 0022, \
+}
+
+extern void exit_fs(struct task_struct *);
+extern void set_fs_altroot(void);
+extern void set_fs_root(struct fs_struct *, struct vfsmount *, struct dentry *);
+extern void set_fs_pwd(struct fs_struct *, struct vfsmount *, struct dentry *);
+extern struct fs_struct *copy_fs_struct(struct fs_struct *);
+extern void put_fs_struct(struct fs_struct *);
+
+#endif /* _LINUX_FS_STRUCT_H */