fs: mark __generic_block_fiemap static

There is no caller left outside of ioctl.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Link: https://lore.kernel.org/r/20200523073016.2944131-4-hch@lst.de
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

fs/ioctl.c

@@ -307,8 +307,7 @@ static inline loff_t blk_to_logical(struct inode *inode, sector_t blk)
  * If you use this function directly, you need to do your own locking. Use
  * generic_block_fiemap if you want the locking done for you.
  */
-
-int __generic_block_fiemap(struct inode *inode,
+static int __generic_block_fiemap(struct inode *inode,
 			   struct fiemap_extent_info *fieinfo, loff_t start,
 			   loff_t len, get_block_t *get_block)
 {
@@ -453,7 +452,6 @@ int __generic_block_fiemap(struct inode *inode,
 
 	return ret;
 }
-EXPORT_SYMBOL(__generic_block_fiemap);
 
 /**
  * generic_block_fiemap - FIEMAP for block based inodes

include/linux/fs.h

@@ -3299,10 +3299,6 @@ static inline int vfs_fstat(int fd, struct kstat *stat)
 extern const char *vfs_get_link(struct dentry *, struct delayed_call *);
 extern int vfs_readlink(struct dentry *, char __user *, int);
 
-extern int __generic_block_fiemap(struct inode *inode,
-				  struct fiemap_extent_info *fieinfo,
-				  loff_t start, loff_t len,
-				  get_block_t *get_block);
 extern int generic_block_fiemap(struct inode *inode,
 				struct fiemap_extent_info *fieinfo, u64 start,
 				u64 len, get_block_t *get_block);