diff options
Diffstat (limited to 'lib/sqfs')
| -rw-r--r-- | lib/sqfs/data_writer.c | 53 |
1 files changed, 23 insertions, 30 deletions
diff --git a/lib/sqfs/data_writer.c b/lib/sqfs/data_writer.c index 193232d..55c92ad 100644 --- a/lib/sqfs/data_writer.c +++ b/lib/sqfs/data_writer.c @@ -27,12 +27,11 @@ struct data_writer_t { uint64_t bytes_written; off_t start; + block_processor_t *proc; + compressor_t *cmp; file_info_t *list; sqfs_super_t *super; - compressor_t *cmp; int outfd; - - uint8_t scratch[]; }; enum { @@ -87,18 +86,19 @@ static int allign_file(data_writer_t *data) return 0; } -static int handle_data_block(data_writer_t *data, block_t *blk) +static int block_callback(void *user, block_t *blk) { file_info_t *fi = blk->user; + data_writer_t *data = user; uint64_t ref, offset; uint32_t out; if (blk->flags & BLK_FIRST_BLOCK) { if (save_position(data)) - goto fail; + return -1; if ((blk->flags & BLK_ALLIGN) && allign_file(data) != 0) - goto fail; + return -1; fi->startblock = data->super->bytes_used; } @@ -106,11 +106,6 @@ static int handle_data_block(data_writer_t *data, block_t *blk) if (blk->size == 0) goto skip_sentinel; - if (process_block(blk, data->cmp, data->scratch, - data->super->block_size)) { - goto fail; - } - out = blk->size; if (!(blk->flags & BLK_IS_COMPRESSED)) out |= 1 << 24; @@ -130,7 +125,7 @@ static int handle_data_block(data_writer_t *data, block_t *blk) if (write_data("writing data block", data->outfd, blk->data, blk->size)) { - goto fail; + return -1; } data->super->bytes_used += blk->size; @@ -138,7 +133,7 @@ static int handle_data_block(data_writer_t *data, block_t *blk) skip_sentinel: if (blk->flags & BLK_LAST_BLOCK) { if ((blk->flags & BLK_ALLIGN) && allign_file(data) != 0) - goto fail; + return -1; ref = find_equal_blocks(fi, data->list, data->super->block_size); @@ -147,15 +142,11 @@ skip_sentinel: fi->flags |= FILE_FLAG_BLOCKS_ARE_DUPLICATE; if (restore_position(data)) - goto fail; + return -1; } } - free(blk); return 0; -fail: - free(blk); - return -1; } /*****************************************************************************/ @@ -268,7 +259,7 @@ static int add_sentinel_block(data_writer_t *data, file_info_t *fi, blk->user = fi; blk->flags = BLK_DONT_COMPRESS | BLK_DONT_CHECKSUM | flags; - return handle_data_block(data, blk); + return block_processor_enqueue(data->proc, blk); } int write_data_from_fd(data_writer_t *data, file_info_t *fi, @@ -285,6 +276,9 @@ int write_data_from_fd(data_writer_t *data, file_info_t *fi, if (flags & DW_ALLIGN_DEVBLK) blk_flags |= BLK_ALLIGN; + fi->next = data->list; + data->list = fi; + for (; file_size > 0; file_size -= diff) { if (file_size > data->super->block_size) { diff = data->super->block_size; @@ -319,7 +313,7 @@ int write_data_from_fd(data_writer_t *data, file_info_t *fi, if (handle_fragment(data, blk)) return -1; } else { - if (handle_data_block(data, blk)) + if (block_processor_enqueue(data->proc, blk)) return -1; blk_flags &= ~BLK_FIRST_BLOCK; @@ -333,8 +327,6 @@ int write_data_from_fd(data_writer_t *data, file_info_t *fi, return -1; } - fi->next = data->list; - data->list = fi; return 0; } @@ -454,7 +446,7 @@ int write_data_from_fd_condensed(data_writer_t *data, file_info_t *fi, if (handle_fragment(data, blk)) return -1; } else { - if (handle_data_block(data, blk)) + if (block_processor_enqueue(data->proc, blk)) return -1; blk_flags &= ~BLK_FIRST_BLOCK; @@ -468,24 +460,24 @@ int write_data_from_fd_condensed(data_writer_t *data, file_info_t *fi, return -1; } - fi->next = data->list; - data->list = fi; return 0; } data_writer_t *data_writer_create(sqfs_super_t *super, compressor_t *cmp, - int outfd, size_t devblksize) + int outfd, size_t devblksize, + unsigned int num_jobs) { - data_writer_t *data; + data_writer_t *data = calloc(1, sizeof(*data)); - data = calloc(1, sizeof(*data) + super->block_size * 3); if (data == NULL) { perror("creating data writer"); return NULL; } - data->super = super; + data->proc = block_processor_create(super->block_size, cmp, num_jobs, + data, block_callback); data->cmp = cmp; + data->super = super; data->outfd = outfd; data->devblksz = devblksize; return data; @@ -493,6 +485,7 @@ data_writer_t *data_writer_create(sqfs_super_t *super, compressor_t *cmp, void data_writer_destroy(data_writer_t *data) { + block_processor_destroy(data->proc); free(data->fragments); free(data); } @@ -527,5 +520,5 @@ int data_writer_sync(data_writer_t *data) return -1; } - return 0; + return block_processor_finish(data->proc); } |