diff options
Diffstat (limited to 'check/main.c')
| -rw-r--r-- | check/main.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/check/main.c b/check/main.c index 03af0d43..ed323e7f 100644 --- a/check/main.c +++ b/check/main.c @@ -5381,6 +5381,13 @@ static int check_space_cache(struct btrfs_root *root) return error ? -EINVAL : 0; } +/* + * Check data checksum for [@bytenr, @bytenr + @num_bytes). + * + * Return <0 for fatal error (fails to read checksum/data or allocate memory). + * Return >0 for csum mismatch for any copy. + * Return 0 if everything is OK. + */ static int check_extent_csums(struct btrfs_root *root, u64 bytenr, u64 num_bytes, unsigned long leaf_offset, struct extent_buffer *eb) @@ -5398,6 +5405,7 @@ static int check_extent_csums(struct btrfs_root *root, u64 bytenr, int ret = 0; int mirror; int num_copies; + bool csum_mismatch = false; if (num_bytes % fs_info->sectorsize) return -EINVAL; @@ -5435,11 +5443,13 @@ static int check_extent_csums(struct btrfs_root *root, u64 bytenr, tmp / fs_info->sectorsize * csum_size; read_extent_buffer(eb, (char *)&csum_expected, csum_offset, csum_size); - if (csum != csum_expected) + if (csum != csum_expected) { + csum_mismatch = true; fprintf(stderr, "mirror %d bytenr %llu csum %u expected csum %u\n", mirror, bytenr + tmp, csum, csum_expected); + } data_checked += fs_info->sectorsize; } } @@ -5447,6 +5457,8 @@ static int check_extent_csums(struct btrfs_root *root, u64 bytenr, } out: free(data); + if (!ret && csum_mismatch) + ret = 1; return ret; } @@ -5666,6 +5678,8 @@ static int check_csums(struct btrfs_root *root) */ if (ret < 0) break; + if (ret > 0) + errors++; skip_csum_check: if (!num_bytes) { offset = key.offset; |