btrfs: rename __btrfs_dev_replace_cancel()

Remove __ which is for the special functions.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 1ce9528..4d1dbc1 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -693,7 +693,7 @@ void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
 	btrfs_dev_replace_unlock(dev_replace, 0);
 }
 
-u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
+u64 btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
 {
 	struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
 	struct btrfs_device *tgt_device = NULL;
diff --git a/fs/btrfs/dev-replace.h b/fs/btrfs/dev-replace.h
index d8b314f..6c3543d 100644
--- a/fs/btrfs/dev-replace.h
+++ b/fs/btrfs/dev-replace.h
@@ -32,7 +32,7 @@ int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
 		int read_src);
 void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info,
 			      struct btrfs_ioctl_dev_replace_args *args);
-u64 __btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
+u64 btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info);
 void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info);
 int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info);
 int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 9082b06f..c5a5591 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -4429,7 +4429,7 @@ static long btrfs_ioctl_dev_replace(struct btrfs_fs_info *fs_info,
 		ret = 0;
 		break;
 	case BTRFS_IOCTL_DEV_REPLACE_CMD_CANCEL:
-		p->result = __btrfs_dev_replace_cancel(fs_info);
+		p->result = btrfs_dev_replace_cancel(fs_info);
 		ret = 0;
 		break;
 	default: