1 files changed, 16 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7899737a9a3e..180334710596 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -688,6 +688,17 @@ static inline int inode_unhashed(struct inode *inode)
 }
 
 /*
+ * __mark_inode_dirty expects inodes to be hashed.  Since we don't
+ * want special inodes in the fileset inode space, we make them
+ * appear hashed, but do not put on any lists.  hlist_del()
+ * will work fine and require no locking.
+ */
+static inline void inode_fake_hash(struct inode *inode)
+{
+        hlist_add_fake(&inode->i_hash);
+}
+
+/*
  * inode->i_mutex nesting subclasses for the lock validator:
  *
  * 0: the object of the current VFS operation
@@ -2017,6 +2028,8 @@ static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp)
  * I_OVL_INUSE          Used by overlayfs to get exclusive ownership on upper
  *                      and work dirs among overlayfs mounts.
  *
+ * I_CREATING           New object's inode in the middle of setting up.
+ *
  * Q: What is the difference between I_WILL_FREE and I_FREEING?
  */
 #define I_DIRTY_SYNC            (1 << 0)
@@ -2037,7 +2050,8 @@ static inline void init_sync_kiocb(struct kiocb *kiocb, struct file *filp)
 #define __I_DIRTY_TIME_EXPIRED  12
 #define I_DIRTY_TIME_EXPIRED    (1 << __I_DIRTY_TIME_EXPIRED)
 #define I_WB_SWITCH             (1 << 13)
-#define I_OVL_INUSE                     (1 << 14)
+#define I_OVL_INUSE             (1 << 14)
+#define I_CREATING              (1 << 15)
 
 #define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC)
 #define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES)
@@ -2919,6 +2933,7 @@ extern void lockdep_annotate_inode_mutex_key(struct inode *inode);
 static inline void lockdep_annotate_inode_mutex_key(struct inode *inode) { };
 #endif
 extern void unlock_new_inode(struct inode *);
+extern void discard_new_inode(struct inode *);
 extern unsigned int get_next_ino(void);
 extern void evict_inodes(struct super_block *sb);