[PATCH] mmc: Add support for mmc v4 high speed mode

[linux-2.6-omap-h63xx.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 91c0b2a32a903a84ed26563f6fdecb445f967261..2fe6e3f900ba5fd06a64754c809f9e724382f39e 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -250,6 +250,8 @@ extern int dir_notify_enable;
 #define FS_NOTAIL_FL                   0x00008000 /* file tail should not be merged */
 #define FS_DIRSYNC_FL                  0x00010000 /* dirsync behaviour (directories only) */
 #define FS_TOPDIR_FL                   0x00020000 /* Top of directory hierarchies*/
+#define FS_EXTENT_FL                   0x00080000 /* Extents */
+#define FS_DIRECTIO_FL                 0x00100000 /* Use direct i/o */
 #define FS_RESERVED_FL                 0x80000000 /* reserved for ext2 lib */
 
 #define FS_FL_USER_VISIBLE             0x0003DFFF /* User visible flags */
@@ -621,6 +623,9 @@ enum inode_i_mutex_lock_class
        I_MUTEX_QUOTA
 };
 
+extern void inode_double_lock(struct inode *inode1, struct inode *inode2);
+extern void inode_double_unlock(struct inode *inode1, struct inode *inode2);
+
 /*
  * NOTE: in a 32bit arch with a preemptable kernel and
  * an UP compile the i_size_read/write must be atomic
@@ -654,7 +659,11 @@ static inline loff_t i_size_read(struct inode *inode)
 #endif
 }
 
-
+/*
+ * NOTE: unlike i_size_read(), i_size_write() does need locking around it
+ * (normally i_mutex), otherwise on 32bit/SMP an update of i_size_seqcount
+ * can be lost, resulting in subsequent i_size_read() calls spinning forever.
+ */
 static inline void i_size_write(struct inode *inode, loff_t i_size)
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)
@@ -1049,7 +1058,7 @@ int generic_osync_inode(struct inode *, struct address_space *, int);
  * This allows the kernel to read directories into kernel space or
  * to have different dirent layouts depending on the binary type.
  */
-typedef int (*filldir_t)(void *, const char *, int, loff_t, ino_t, unsigned);
+typedef int (*filldir_t)(void *, const char *, int, loff_t, u64, unsigned);
 
 struct block_device_operations {
        int (*open) (struct inode *, struct file *);
@@ -1523,6 +1532,9 @@ extern const struct file_operations def_fifo_fops;
 #ifdef CONFIG_BLOCK
 extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
 extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long);
+extern int blkdev_driver_ioctl(struct inode *inode, struct file *file,
+                              struct gendisk *disk, unsigned cmd,
+                              unsigned long arg);
 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 *);
@@ -1700,6 +1712,8 @@ extern void __iget(struct inode * inode);
 extern void clear_inode(struct inode *);
 extern void destroy_inode(struct inode *);
 extern struct inode *new_inode(struct super_block *);
+extern int __remove_suid(struct dentry *, int);
+extern int should_remove_suid(struct dentry *);
 extern int remove_suid(struct dentry *);
 extern void remove_dquot_ref(struct super_block *, int, struct list_head *);
 
@@ -1746,6 +1760,8 @@ extern ssize_t generic_file_splice_read(struct file *, loff_t *,
                struct pipe_inode_info *, size_t, unsigned int);
 extern ssize_t generic_file_splice_write(struct pipe_inode_info *,
                struct file *, loff_t *, size_t, unsigned int);
+extern ssize_t generic_file_splice_write_nolock(struct pipe_inode_info *,
+               struct file *, loff_t *, size_t, unsigned int);
 extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe,
                struct file *out, loff_t *, size_t len, unsigned int flags);
 extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,