diff options
Diffstat (limited to 'include/sqfs/block_writer.h')
| -rw-r--r-- | include/sqfs/block_writer.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/sqfs/block_writer.h b/include/sqfs/block_writer.h index b4d804c..421f8bd 100644 --- a/include/sqfs/block_writer.h +++ b/include/sqfs/block_writer.h @@ -140,6 +140,46 @@ struct sqfs_block_hooks_t { void (*prepare_padding)(void *user, sqfs_u8 *block, size_t count); }; +/** + * @struct sqfs_block_writer_stats_t + * + * @brief Collects run time statistics of the @ref sqfs_block_writer_t + */ +struct sqfs_block_writer_stats_t { + /** + * @brief Holds the size of the structure. + * + * If a later version of libsquashfs expands this structure, the value + * of this field can be used to check at runtime whether the newer + * fields are avaialable or not. + */ + size_t size; + + /** + * @brief Total number of bytes submitted, including blocks that were + * removed by deduplication and not counting any padding. + */ + sqfs_u64 bytes_submitted; + + /** + * @brief Actual number of bytes written to disk, excluding deduplicated + * blocks and including padding. + */ + sqfs_u64 bytes_written; + + /** + * @brief Total number of submitted blocks, including ones later + * removed by deduplication. + */ + sqfs_u64 blocks_submitted; + + /** + * @brief Total number of blocks actually written, excluding + * deduplicated blocks. + */ + sqfs_u64 blocks_written; +}; + #ifdef __cplusplus extern "C" { #endif @@ -158,6 +198,9 @@ SQFS_API int sqfs_block_writer_write(sqfs_block_writer_t *wr, sqfs_block_t *block, sqfs_u64 *location); +SQFS_API const sqfs_block_writer_stats_t +*sqfs_block_writer_get_stats(const sqfs_block_writer_t *wr); + #ifdef __cplusplus } #endif |