X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Ffs.h;h=822c545c72097cc0a8357f2492b1a4c8d0b1933e;hb=37756ced1f145aec18917812c3b8a96dbb47990d;hp=70b99fbb560bc4aba52e0013900d5534b77a6038;hpb=ea14fad0d416354a4e9bb1a04f32acba706f9548;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 70b99fbb560..822c545c720 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -120,6 +120,7 @@ extern int dir_notify_enable;
 #define MS_PRIVATE	(1<<18)	/* change to private */
 #define MS_SLAVE	(1<<19)	/* change to slave */
 #define MS_SHARED	(1<<20)	/* change to shared */
+#define MS_RELATIME	(1<<21)	/* Update atime relative to mtime/ctime. */
 #define MS_ACTIVE	(1<<30)
 #define MS_NOUSER	(1<<31)
 
@@ -168,6 +169,7 @@ extern int dir_notify_enable;
 #define IS_DIRSYNC(inode)	(__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) || \
 					((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
 #define IS_MANDLOCK(inode)	__IS_FLG(inode, MS_MANDLOCK)
+#define IS_NOATIME(inode)   __IS_FLG(inode, MS_RDONLY|MS_NOATIME)
 
 #define IS_NOQUOTA(inode)	((inode)->i_flags & S_NOQUOTA)
 #define IS_APPEND(inode)	((inode)->i_flags & S_APPEND)
@@ -269,6 +271,7 @@ extern int dir_notify_enable;
 #include <linux/types.h>
 #include <linux/kdev_t.h>
 #include <linux/dcache.h>
+#include <linux/namei.h>
 #include <linux/stat.h>
 #include <linux/cache.h>
 #include <linux/kobject.h>
@@ -424,6 +427,7 @@ struct address_space_operations {
 	/* migrate the contents of a page to the specified target */
 	int (*migratepage) (struct address_space *,
 			struct page *, struct page *);
+	int (*launder_page) (struct page *);
 };
 
 struct backing_dev_info;
@@ -456,7 +460,7 @@ struct block_device {
 	struct inode *		bd_inode;	/* will die */
 	int			bd_openers;
 	struct mutex		bd_mutex;	/* open/close mutex */
-	struct mutex		bd_mount_mutex;	/* mount mutex */
+	struct semaphore	bd_mount_sem;
 	struct list_head	bd_inodes;
 	void *			bd_holder;
 	int			bd_holders;
@@ -481,21 +485,6 @@ struct block_device {
 	unsigned long		bd_private;
 };
 
-/*
- * bdev->bd_mutex nesting subclasses for the lock validator:
- *
- * 0: normal
- * 1: 'whole'
- * 2: 'partition'
- */
-enum bdev_bd_mutex_lock_class
-{
-	BD_MUTEX_NORMAL,
-	BD_MUTEX_WHOLE,
-	BD_MUTEX_PARTITION
-};
-
-
 /*
  * Radix-tree tags, for tagging dirty and writeback pages within the pagecache
  * radix trees
@@ -726,8 +715,9 @@ struct file {
 		struct list_head	fu_list;
 		struct rcu_head 	fu_rcuhead;
 	} f_u;
-	struct dentry		*f_dentry;
-	struct vfsmount         *f_vfsmnt;
+	struct path		f_path;
+#define f_dentry	f_path.dentry
+#define f_vfsmnt	f_path.mnt
 	const struct file_operations	*f_op;
 	atomic_t		f_count;
 	unsigned int 		f_flags;
@@ -1239,7 +1229,7 @@ extern void touch_atime(struct vfsmount *mnt, struct dentry *dentry);
 static inline void file_accessed(struct file *file)
 {
 	if (!(file->f_flags & O_NOATIME))
-		touch_atime(file->f_vfsmnt, file->f_dentry);
+		touch_atime(file->f_path.mnt, file->f_path.dentry);
 }
 
 int sync_inode(struct inode *inode, struct writeback_control *wbc);
@@ -1499,7 +1489,6 @@ extern void bd_set_size(struct block_device *, loff_t size);
 extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern struct block_device *open_by_devnum(dev_t, unsigned);
-extern struct block_device *open_partition_by_devnum(dev_t, unsigned);
 extern const struct address_space_operations def_blk_aops;
 #else
 static inline void bd_forget(struct inode *inode) {}
@@ -1517,7 +1506,6 @@ extern int blkdev_driver_ioctl(struct inode *inode, struct file *file,
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
 extern int blkdev_get(struct block_device *, mode_t, unsigned);
 extern int blkdev_put(struct block_device *);
-extern int blkdev_put_partition(struct block_device *);
 extern int bd_claim(struct block_device *, void *);
 extern void bd_release(struct block_device *);
 #ifdef CONFIG_SYSFS
@@ -1632,7 +1620,7 @@ static inline void put_write_access(struct inode * inode)
 static inline void allow_write_access(struct file *file)
 {
 	if (file)
-		atomic_inc(&file->f_dentry->d_inode->i_writecount);
+		atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
 }
 extern int do_pipe(int *);
 extern struct file *create_read_pipe(struct file *f);