1 files changed, 41 insertions, 10 deletions

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 52b346795f66..69c93ae333f6 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -229,7 +229,7 @@ struct full_stripe_lock {
 };
 
 #ifndef CONFIG_64BIT
-/* This structure is for archtectures whose (void *) is smaller than u64 */
+/* This structure is for architectures whose (void *) is smaller than u64 */
 struct scrub_page_private {
 	u64 logical;
 };
@@ -2053,20 +2053,33 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
 	 * a) don't have an extent buffer and
 	 * b) the page is already kmapped
 	 */
-	if (sblock->logical != btrfs_stack_header_bytenr(h))
+	if (sblock->logical != btrfs_stack_header_bytenr(h)) {
 		sblock->header_error = 1;
-
-	if (sector->generation != btrfs_stack_header_generation(h)) {
-		sblock->header_error = 1;
-		sblock->generation_error = 1;
+		btrfs_warn_rl(fs_info,
+		"tree block %llu mirror %u has bad bytenr, has %llu want %llu",
+			      sblock->logical, sblock->mirror_num,
+			      btrfs_stack_header_bytenr(h),
+			      sblock->logical);
+		goto out;
 	}
 
-	if (!scrub_check_fsid(h->fsid, sector))
+	if (!scrub_check_fsid(h->fsid, sector)) {
 		sblock->header_error = 1;
+		btrfs_warn_rl(fs_info,
+		"tree block %llu mirror %u has bad fsid, has %pU want %pU",
+			      sblock->logical, sblock->mirror_num,
+			      h->fsid, sblock->dev->fs_devices->fsid);
+		goto out;
+	}
 
-	if (memcmp(h->chunk_tree_uuid, fs_info->chunk_tree_uuid,
-		   BTRFS_UUID_SIZE))
+	if (memcmp(h->chunk_tree_uuid, fs_info->chunk_tree_uuid, BTRFS_UUID_SIZE)) {
 		sblock->header_error = 1;
+		btrfs_warn_rl(fs_info,
+		"tree block %llu mirror %u has bad chunk tree uuid, has %pU want %pU",
+			      sblock->logical, sblock->mirror_num,
+			      h->chunk_tree_uuid, fs_info->chunk_tree_uuid);
+		goto out;
+	}
 
 	shash->tfm = fs_info->csum_shash;
 	crypto_shash_init(shash);
@@ -2079,9 +2092,27 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
 	}
 
 	crypto_shash_final(shash, calculated_csum);
-	if (memcmp(calculated_csum, on_disk_csum, sctx->fs_info->csum_size))
+	if (memcmp(calculated_csum, on_disk_csum, sctx->fs_info->csum_size)) {
 		sblock->checksum_error = 1;
+		btrfs_warn_rl(fs_info,
+		"tree block %llu mirror %u has bad csum, has " CSUM_FMT " want " CSUM_FMT,
+			      sblock->logical, sblock->mirror_num,
+			      CSUM_FMT_VALUE(fs_info->csum_size, on_disk_csum),
+			      CSUM_FMT_VALUE(fs_info->csum_size, calculated_csum));
+		goto out;
+	}
+
+	if (sector->generation != btrfs_stack_header_generation(h)) {
+		sblock->header_error = 1;
+		sblock->generation_error = 1;
+		btrfs_warn_rl(fs_info,
+		"tree block %llu mirror %u has bad generation, has %llu want %llu",
+			      sblock->logical, sblock->mirror_num,
+			      btrfs_stack_header_generation(h),
+			      sector->generation);
+	}
 
+out:
 	return sblock->header_error || sblock->checksum_error;
 }