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

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

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 134b320..1d3e601 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 */
@@ -88,9 +92,10 @@ extern int dir_notify_enable;
 #define FS_REQUIRES_DEV 1 
 #define FS_BINARY_MOUNTDATA 2
 #define FS_REVAL_DOT   16384   /* Check the paths ".", ".." for staleness */
-#define FS_ODD_RENAME  32768   /* Temporary stuff; will go away as soon
-                                 * as nfs_rename() will be cleaned up
-                                 */
+#define FS_RENAME_DOES_D_MOVE  32768   /* FS will handle d_move()
+                                        * during rename() internally.
+                                        */
+
 /*
  * These are the fs-independent mount-flags: up to 32 flags are supported
  */
@@ -566,13 +571,14 @@ 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
 };
 
@@ -716,6 +722,7 @@ extern spinlock_t files_lock;
 #define FL_POSIX       1
 #define FL_FLOCK       2
 #define FL_ACCESS      8       /* not trying to lock, just looking */
+#define FL_EXISTS      16      /* when unlocking, test for existence */
 #define FL_LEASE       32      /* lease held on this file */
 #define FL_CLOSE       64      /* unlock on close */
 #define FL_SLEEP       128     /* A blocking lock */