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-rw-r--r--fs/btrfs/inode.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2ba2d8b9cefc..8cae730bd5ba 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -125,6 +125,32 @@ static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,
u64 ram_bytes, int compress_type,
int type);
+static void __cold btrfs_print_data_csum_error(struct btrfs_inode *inode,
+ u64 logical_start, u8 *csum, u8 *csum_expected, int mirror_num)
+{
+ struct btrfs_root *root = inode->root;
+ const u32 csum_size = root->fs_info->csum_size;
+
+ /* Output without objectid, which is more meaningful */
+ if (root->root_key.objectid >= BTRFS_LAST_FREE_OBJECTID) {
+ btrfs_warn_rl(root->fs_info,
+"csum failed root %lld ino %lld off %llu csum " CSUM_FMT " expected csum " CSUM_FMT " mirror %d",
+ root->root_key.objectid, btrfs_ino(inode),
+ logical_start,
+ CSUM_FMT_VALUE(csum_size, csum),
+ CSUM_FMT_VALUE(csum_size, csum_expected),
+ mirror_num);
+ } else {
+ btrfs_warn_rl(root->fs_info,
+"csum failed root %llu ino %llu off %llu csum " CSUM_FMT " expected csum " CSUM_FMT " mirror %d",
+ root->root_key.objectid, btrfs_ino(inode),
+ logical_start,
+ CSUM_FMT_VALUE(csum_size, csum),
+ CSUM_FMT_VALUE(csum_size, csum_expected),
+ mirror_num);
+ }
+}
+
/*
* btrfs_inode_lock - lock inode i_rwsem based on arguments passed
*