1 files changed, 16 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 471e1ff5079a..e5106e49bd2c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -53,6 +53,7 @@ struct inodes_stat_t {
 #define MAY_APPEND 8
 #define MAY_ACCESS 16
 #define MAY_OPEN 32
+#define MAY_CHDIR 64
 
 /*
  * flags in file.f_mode.  Note that FMODE_READ and FMODE_WRITE must correspond
@@ -415,7 +416,8 @@ struct buffer_head;
 typedef int (get_block_t)(struct inode *inode, sector_t iblock,
                         struct buffer_head *bh_result, int create);
 typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
-                        ssize_t bytes, void *private);
+                        ssize_t bytes, void *private, int ret,
+                        bool is_async);
 
 /*
  * Attribute flags.  These should be or-ed together to figure out what
@@ -1783,6 +1785,19 @@ extern int get_sb_pseudo(struct file_system_type *, char *,
         struct vfsmount *mnt);
 extern void simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
 
+static inline void sb_mark_dirty(struct super_block *sb)
+{
+        sb->s_dirt = 1;
+}
+static inline void sb_mark_clean(struct super_block *sb)
+{
+        sb->s_dirt = 0;
+}
+static inline int sb_is_dirty(struct super_block *sb)
+{
+        return sb->s_dirt;
+}
+
 /* Alas, no aliases. Too much hassle with bringing module.h everywhere */
 #define fops_get(fops) \
         (((fops) && try_module_get((fops)->owner) ? (fops) : NULL))