From 881e020958f4f0fb59d56795b833316b9a634436 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Beh=C3=BAn?= <marek.behun@nic.cz>
Date: Fri, 26 Apr 2019 15:11:09 +0200
Subject: [PATCH] fs: btrfs: Do not print mount fail message when not btrfs
 filesystem
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Other filesystem drivers don't do this.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
---
 fs/btrfs/super.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 7aaf8f9b0d..2dc4a6fcd7 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -198,17 +198,16 @@ int btrfs_read_superblock(void)
 			break;
 
 		if (btrfs_check_super_csum(raw_sb)) {
-			printf("%s: invalid checksum at superblock mirror %i\n",
-			       __func__, i);
+			debug("%s: invalid checksum at superblock mirror %i\n",
+			      __func__, i);
 			continue;
 		}
 
 		btrfs_super_block_to_cpu(sb);
 
 		if (sb->magic != BTRFS_MAGIC) {
-			printf("%s: invalid BTRFS magic 0x%016llX at "
-			       "superblock mirror %i\n", __func__, sb->magic,
-			       i);
+			debug("%s: invalid BTRFS magic 0x%016llX at "
+			      "superblock mirror %i\n", __func__, sb->magic, i);
 		} else if (sb->bytenr != superblock_offsets[i]) {
 			printf("%s: invalid bytenr 0x%016llX (expected "
 			       "0x%016llX) at superblock mirror %i\n",
@@ -224,7 +223,7 @@ int btrfs_read_superblock(void)
 	}
 
 	if (!btrfs_info.sb.generation) {
-		printf("%s: No valid BTRFS superblock found!\n", __func__);
+		debug("%s: No valid BTRFS superblock found!\n", __func__);
 		return -1;
 	}
 
-- 
2.39.5