X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_checkptrw.c;h=e739fb4a104b6261969a5ef869caeb7b87bdbbe3;hp=d8970449b04812de994f85737f749fe6120c0e7b;hb=54721f22512e7c859c4c4a4ae7e5374ecf7fb570;hpb=662466a25f6c97bba330ad5d9e9ba215ca8874ee diff --git a/yaffs_checkptrw.c b/yaffs_checkptrw.c index d897044..e739fb4 100644 --- a/yaffs_checkptrw.c +++ b/yaffs_checkptrw.c @@ -21,6 +21,17 @@ struct yaffs_checkpt_chunk_hdr { u32 xor; } ; + +static int apply_chunk_offset(struct yaffs_dev *dev, int chunk) +{ + return chunk - dev->chunk_offset; +} + +static int apply_block_offset(struct yaffs_dev *dev, int block) +{ + return block - dev->block_offset; +} + static void yaffs2_checkpt_init_chunk_hdr(struct yaffs_dev *dev) { struct yaffs_checkpt_chunk_hdr hdr; @@ -63,7 +74,7 @@ static int yaffs_checkpt_erase(struct yaffs_dev *dev) { int i; - if (!dev->param.erase_fn) + if (!dev->drv.drv_erase_fn) return 0; yaffs_trace(YAFFS_TRACE_CHECKPOINT, "checking blocks %d to %d", @@ -71,21 +82,23 @@ static int yaffs_checkpt_erase(struct yaffs_dev *dev) for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { struct yaffs_block_info *bi = yaffs_get_block_info(dev, i); + int offset_i = apply_block_offset(dev, i); + int result; + if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) { yaffs_trace(YAFFS_TRACE_CHECKPOINT, "erasing checkpt block %d", i); dev->n_erasures++; - if (dev->param. - erase_fn(dev, - i - dev->block_offset /* realign */)) { + result = dev->drv.drv_erase_fn(dev, offset_i); + if(result) { bi->block_state = YAFFS_BLOCK_STATE_EMPTY; dev->n_erased_blocks++; dev->n_free_chunks += dev->param.chunks_per_block; } else { - dev->param.bad_block_fn(dev, i); + dev->drv.drv_mark_bad_fn(dev, offset_i); bi->block_state = YAFFS_BLOCK_STATE_DEAD; } } @@ -112,8 +125,9 @@ static void yaffs2_checkpt_find_erased_block(struct yaffs_dev *dev) for (i = dev->checkpt_next_block; i <= dev->internal_end_block; i++) { - struct yaffs_block_info *bi = - yaffs_get_block_info(dev, i); + struct yaffs_block_info *bi; + + bi = yaffs_get_block_info(dev, i); if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { dev->checkpt_next_block = i + 1; dev->checkpt_cur_block = i; @@ -142,12 +156,12 @@ static void yaffs2_checkpt_find_block(struct yaffs_dev *dev) for (i = dev->checkpt_next_block; i <= dev->internal_end_block; i++) { int chunk = i * dev->param.chunks_per_block; - int realigned_chunk = chunk - dev->chunk_offset; enum yaffs_block_state state; u32 seq; - dev->param.read_chunk_tags_fn(dev, realigned_chunk, - NULL, &tags); + dev->tagger.read_chunk_tags_fn(dev, + apply_chunk_offset(dev, chunk), + NULL, &tags); yaffs_trace(YAFFS_TRACE_CHECKPOINT, "find next checkpt block: search: block %d state %d oid %d seq %d eccr %d", i, (int) state, @@ -157,7 +171,9 @@ static void yaffs2_checkpt_find_block(struct yaffs_dev *dev) if (tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA) continue; - dev->param.query_block_fn(dev, i, &state, &seq); + dev->tagger.query_block_fn(dev, + apply_block_offset(dev, i), + &state, &seq); if (state == YAFFS_BLOCK_STATE_DEAD) continue; @@ -184,9 +200,10 @@ int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing) dev->checkpt_open_write = writing; /* Got the functions we need? */ - if (!dev->param.write_chunk_tags_fn || - !dev->param.read_chunk_tags_fn || - !dev->param.erase_fn || !dev->param.bad_block_fn) + if (!dev->tagger.write_chunk_tags_fn || + !dev->tagger.read_chunk_tags_fn || + !dev->drv.drv_erase_fn || + !dev->drv.drv_mark_bad_fn) return 0; if (writing && !yaffs2_checkpt_space_ok(dev)) @@ -244,7 +261,7 @@ int yaffs2_get_checkpt_sum(struct yaffs_dev *dev, u32 * sum) static int yaffs2_checkpt_flush_buffer(struct yaffs_dev *dev) { int chunk; - int realigned_chunk; + int offset_chunk; struct yaffs_ext_tags tags; if (dev->checkpt_cur_block < 0) { @@ -278,11 +295,11 @@ static int yaffs2_checkpt_flush_buffer(struct yaffs_dev *dev) chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk, tags.obj_id, tags.chunk_id); - realigned_chunk = chunk - dev->chunk_offset; + offset_chunk = apply_chunk_offset(dev, chunk); dev->n_page_writes++; - dev->param.write_chunk_tags_fn(dev, realigned_chunk, + dev->tagger.write_chunk_tags_fn(dev, offset_chunk, dev->checkpt_buffer, &tags); dev->checkpt_page_seq++; dev->checkpt_cur_chunk++; @@ -334,7 +351,7 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes) int ok = 1; struct yaffs_ext_tags tags; int chunk; - int realigned_chunk; + int offset_chunk; u8 *data_bytes = (u8 *) data; if (!dev->checkpt_buffer) @@ -362,12 +379,12 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes) dev->param.chunks_per_block + dev->checkpt_cur_chunk; - realigned_chunk = chunk - dev->chunk_offset; + offset_chunk = apply_chunk_offset(dev, chunk); dev->n_page_reads++; /* read in the next chunk */ - dev->param.read_chunk_tags_fn(dev, - realigned_chunk, + dev->tagger.read_chunk_tags_fn(dev, + offset_chunk, dev->checkpt_buffer, &tags);