f2fs: add error prints for debugging mount failure

[ Upstream commit 9227d5227b8db354d386f592f159eaa44db1c0b8 ]

Add error prints to get more details on the mount failure.

Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: 0fa4e57c1db2 ("f2fs: fix to release node block count in error path of f2fs_new_node_page()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 3506e1b893b5c2afa96922f36a01f018e4c4bbba)
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 4307f8d..1568e37 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2749,8 +2749,12 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi)
 
 	/* sanity check for summary blocks */
 	if (nats_in_cursum(nat_j) > NAT_JOURNAL_ENTRIES ||
-			sits_in_cursum(sit_j) > SIT_JOURNAL_ENTRIES)
+			sits_in_cursum(sit_j) > SIT_JOURNAL_ENTRIES) {
+		f2fs_msg(sbi->sb, KERN_ERR,
+			"invalid journal entries nats %u sits %u\n",
+			nats_in_cursum(nat_j), sits_in_cursum(sit_j));
 		return -EINVAL;
+	}
 
 	return 0;
 }
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index b2c747f..126734e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2581,13 +2581,13 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 	err = build_segment_manager(sbi);
 	if (err) {
 		f2fs_msg(sb, KERN_ERR,
-			"Failed to initialize F2FS segment manager");
+			"Failed to initialize F2FS segment manager (%d)", err);
 		goto free_sm;
 	}
 	err = build_node_manager(sbi);
 	if (err) {
 		f2fs_msg(sb, KERN_ERR,
-			"Failed to initialize F2FS node manager");
+			"Failed to initialize F2FS node manager (%d)", err);
 		goto free_nm;
 	}