f2fs: fix to add gc count stat in f2fs_gc_range

commit 761dac9 upstream.

It missed the stat count in f2fs_gc_range.

Cc: stable@kernel.org
Fixes: 9bf1dcb ("f2fs: fix to account gc stats correctly")
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Zhiguo Niu

fs/f2fs/gc.c

@@ -2072,6 +2072,7 @@ int f2fs_gc_range(struct f2fs_sb_info *sbi,
 	if (unlikely(f2fs_cp_error(sbi)))
 		return -EIO;
 
+	stat_inc_gc_call_count(sbi, FOREGROUND);
 	for (segno = start_seg; segno <= end_seg; segno += SEGS_PER_SEC(sbi)) {
 		struct gc_inode_list gc_list = {
 			.ilist = LIST_HEAD_INIT(gc_list.ilist),