rename setlease to generic_setlease

Make it a little more clear that this is the default implementation for
the setleast operation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/gfs2/ops_file.c

@@ -508,7 +508,7 @@ static int gfs2_setlease(struct file *file, long arg, struct file_lock **fl)
 	 */
 	if (!sdp->sd_args.ar_localflocks)
 		return -EINVAL;
-	return setlease(file, arg, fl);
+	return generic_setlease(file, arg, fl);
 }
 
 /**

fs/locks.c

@@ -1324,7 +1324,7 @@ int fcntl_getlease(struct file *filp)
 }
 
 /**
- *	setlease	-	sets a lease on an open file
+ *	generic_setlease	-	sets a lease on an open file
  *	@filp: file pointer
  *	@arg: type of lease to obtain
  *	@flp: input - file_lock to use, output - file_lock inserted
@@ -1334,7 +1334,7 @@ int fcntl_getlease(struct file *filp)
  *
  *	Called with kernel lock held.
  */
-int setlease(struct file *filp, long arg, struct file_lock **flp)
+int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
 {
 	struct file_lock *fl, **before, **my_before = NULL, *lease;
 	struct dentry *dentry = filp->f_path.dentry;
@@ -1419,7 +1419,7 @@ int setlease(struct file *filp, long arg, struct file_lock **flp)
 out:
 	return error;
 }
-EXPORT_SYMBOL(setlease);
+EXPORT_SYMBOL(generic_setlease);
 
  /**
  *	vfs_setlease        -       sets a lease on an open file
@@ -1456,7 +1456,7 @@ int vfs_setlease(struct file *filp, long arg, struct file_lock **lease)
 	if (filp->f_op && filp->f_op->setlease)
 		error = filp->f_op->setlease(filp, arg, lease);
 	else
-		error = setlease(filp, arg, lease);
+		error = generic_setlease(filp, arg, lease);
 	unlock_kernel();
 
 	return error;

include/linux/fs.h

@@ -878,7 +878,7 @@ extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl);
 extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl);
 extern int __break_lease(struct inode *inode, unsigned int flags);
 extern void lease_get_mtime(struct inode *, struct timespec *time);
-extern int setlease(struct file *, long, struct file_lock **);
+extern int generic_setlease(struct file *, long, struct file_lock **);
 extern int vfs_setlease(struct file *, long, struct file_lock **);
 extern int lease_modify(struct file_lock **, int);
 extern int lock_may_read(struct inode *, loff_t start, unsigned long count);