Merge branch 'lazytime' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull lazytime mount option support from Al Viro:
 "Lazytime stuff from tytso"

* 'lazytime' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ext4: add optimization for the lazytime mount option
  vfs: add find_inode_nowait() function
  vfs: add support for a lazytime mount option

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0b5b146d0490..447932aed1e1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1790,8 +1790,12 @@ struct super_operations {
 #define __I_DIO_WAKEUP          9
 #define I_DIO_WAKEUP            (1 << I_DIO_WAKEUP)
 #define I_LINKABLE              (1 << 10)
+#define I_DIRTY_TIME            (1 << 11)
+#define __I_DIRTY_TIME_EXPIRED  12
+#define I_DIRTY_TIME_EXPIRED    (1 << __I_DIRTY_TIME_EXPIRED)
 
 #define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES)
+#define I_DIRTY_ALL (I_DIRTY | I_DIRTY_TIME)
 
 extern void __mark_inode_dirty(struct inode *, int);
 static inline void mark_inode_dirty(struct inode *inode)
@@ -1954,6 +1958,7 @@ extern int current_umask(void);
 
 extern void ihold(struct inode * inode);
 extern void iput(struct inode *);
+extern int generic_update_time(struct inode *, struct timespec *, int);
 
 static inline struct inode *file_inode(const struct file *f)
 {
@@ -2492,6 +2497,11 @@ extern struct inode *ilookup(struct super_block *sb, unsigned long ino);
 
 extern struct inode * iget5_locked(struct super_block *, unsigned long, int (*test)(struct inode *, void *), int (*set)(struct inode *, void *), void *);
 extern struct inode * iget_locked(struct super_block *, unsigned long);
+extern struct inode *find_inode_nowait(struct super_block *,
+                                       unsigned long,
+                                       int (*match)(struct inode *,
+                                                    unsigned long, void *),
+                                       void *data);
 extern int insert_inode_locked4(struct inode *, unsigned long, int (*test)(struct inode *, void *), void *);
 extern int insert_inode_locked(struct inode *);
 #ifdef CONFIG_DEBUG_LOCK_ALLOC