f2fs: fix last_lblock check in check_swap_activate_fast

Because page_no < sis->max guarantees that the while loop break out
normally, the wrong check contidion here doesn't cause a problem.

Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Guo Weichao <guoweichao@oppo.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 1531463768bf6d401a45bb770fc0e6904a23e4ff..398498fb99d59922a243a8f1f341fcb6090d1cb2 100644 (file)
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -3803,7 +3803,7 @@ static int check_swap_activate_fast(struct swap_info_struct *sis,
        last_lblock = bytes_to_blks(inode, i_size_read(inode));
        len = i_size_read(inode);
 
-       while (cur_lblock <= last_lblock && cur_lblock < sis->max) {
+       while (cur_lblock < last_lblock && cur_lblock < sis->max) {
                struct f2fs_map_blocks map;
                pgoff_t next_pgofs;