f2fs: skip adding a discard command if exists

When recovering zoned UFS, sometimes we add the same zone to discard multiple
times. Simple workaround is to bypass adding it.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 727d016318f985da124966e51fd2d0d14dce5708..f4ffd64b44b2a7abaeeb3b6abfedeb7a21f07900 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1380,7 +1380,8 @@ static void __insert_discard_cmd(struct f2fs_sb_info *sbi,
                        p = &(*p)->rb_right;
                        leftmost = false;
                } else {
-                       f2fs_bug_on(sbi, 1);
+                       /* Let's skip to add, if exists */
+                       return;
                }
        }