Merge branch 'master' into gfs2

[powerpc.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 43aef9b..4e93bf9 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -27,6 +27,10 @@
 #define BLOCK_SIZE_BITS 10
 #define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
 
+#define SEEK_SET       0       /* seek relative to beginning of file */
+#define SEEK_CUR       1       /* seek relative to current file position */
+#define SEEK_END       2       /* seek relative to end of file */
+
 /* And dynamically-tunable limits and defaults: */
 struct files_stat_struct {
        int nr_files;           /* read only */
@@ -566,13 +570,14 @@ struct inode {
  * 3: quota file
  *
  * The locking order between these classes is
- * parent -> child -> normal -> quota
+ * parent -> child -> normal -> xattr -> quota
  */
 enum inode_i_mutex_lock_class
 {
        I_MUTEX_NORMAL,
        I_MUTEX_PARENT,
        I_MUTEX_CHILD,
+       I_MUTEX_XATTR,
        I_MUTEX_QUOTA
 };
 
@@ -1371,6 +1376,9 @@ extern struct subsystem fs_subsys;
 #define FLOCK_VERIFY_READ  1
 #define FLOCK_VERIFY_WRITE 2
 
+/* /sys/fs */
+extern struct subsystem fs_subsys;
+
 extern int locks_mandatory_locked(struct inode *);
 extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);