1 files changed, 0 insertions, 5 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b33cfc97b9ca..75fe9a134803 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -462,8 +462,6 @@ struct block_device {
         int                     bd_fsfreeze_count;
         /* Mutex for freeze */
         struct mutex            bd_fsfreeze_mutex;
-        /* A semaphore that prevents I/O while block size is being changed */
-        struct percpu_rw_semaphore      bd_block_size_semaphore;
 };
 
 /*
@@ -2049,7 +2047,6 @@ extern void unregister_blkdev(unsigned int, const char *);
 extern struct block_device *bdget(dev_t);
 extern struct block_device *bdgrab(struct block_device *bdev);
 extern void bd_set_size(struct block_device *, loff_t size);
-extern sector_t blkdev_max_block(struct block_device *bdev);
 extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern void invalidate_bdev(struct block_device *);
@@ -2379,8 +2376,6 @@ extern int generic_segment_checks(const struct iovec *iov,
                 unsigned long *nr_segs, size_t *count, int access_flags);
 
 /* fs/block_dev.c */
-extern ssize_t blkdev_aio_read(struct kiocb *iocb, const struct iovec *iov,
-                               unsigned long nr_segs, loff_t pos);
 extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
                                 unsigned long nr_segs, loff_t pos);
 extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end,