fsck.f2fs: add fixing messeages

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fsck/fsck.c b/fsck/fsck.c
index 17cf29b..00f5b27 100644
--- a/fsck/fsck.c
+++ b/fsck/fsck.c
@@ -344,6 +344,9 @@
 					node_blk->i.i_links =
 						cpu_to_le32(i_links + 1);
 					need_fix = 1;
+					FIX_MSG("File: 0x%x "
+						"i_links= 0x%x -> 0x%x",
+						nid, i_links, i_links + 1);
 				}
 			}
 			/* No need to go deep into the node */
@@ -375,6 +378,7 @@
 			} else if (config.fix_cnt) {
 				node_blk->i.i_addr[idx] = 0;
 				need_fix = 1;
+				FIX_MSG("[0x%x] i_addr[%d] = 0", nid, idx);
 			}
 		}
 	}
@@ -399,6 +403,7 @@
 			} else if (config.fix_cnt) {
 				node_blk->i.i_nid[idx] = 0;
 				need_fix = 1;
+				FIX_MSG("[0x%x] i_nid[%d] = 0", nid, idx);
 			}
 		}
 	}
@@ -421,6 +426,8 @@
 		if (config.fix_cnt) {
 			node_blk->i.i_blocks = cpu_to_le64(*blk_cnt);
 			need_fix = 1;
+			FIX_MSG("[0x%x] i_blocks=0x%lx -> 0x%x",
+					nid, i_blocks, *blk_cnt);
 		}
 	}
 	if (ftype == F2FS_FT_DIR && i_links != child_cnt) {
@@ -429,6 +436,8 @@
 		if (config.fix_cnt) {
 			node_blk->i.i_links = cpu_to_le32(child_cnt);
 			need_fix = 1;
+			FIX_MSG("Dir: 0x%x i_links= 0x%x -> 0x%x",
+						nid, i_links, child_cnt);
 		}
 	}
 
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 3b75bff..7242690 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -54,6 +54,12 @@
 /*
  * Debugging interfaces
  */
+#define FIX_MSG(fmt, ...)						\
+	do {								\
+		printf("[FIX] (%s:%4d) ", __func__, __LINE__);		\
+		printf(" --> "fmt"\n", ##__VA_ARGS__);			\
+	} while (0)
+
 #define ASSERT_MSG(fmt, ...)						\
 	do {								\
 		printf("[ASSERT] (%s:%4d) ", __func__, __LINE__);	\