X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_checkptrw.c;h=711df13e5cd36ef18523f8eacec75b3d23ee1cb8;hp=02b8ce6a0f2e088f8a43709f54796873d8c0f418;hb=371b2eaad7d9c4947ec1e5c5f0576b7e118df617;hpb=1c8604a29f8ca073e1f5129c58e201a4b42bc192 diff --git a/yaffs_checkptrw.c b/yaffs_checkptrw.c index 02b8ce6..711df13 100644 --- a/yaffs_checkptrw.c +++ b/yaffs_checkptrw.c @@ -18,8 +18,8 @@ static int yaffs2_checkpt_space_ok(struct yaffs_dev *dev) { int blocks_avail = dev->n_erased_blocks - dev->param.n_reserved_blocks; - T(YAFFS_TRACE_CHECKPOINT, - (TSTR("checkpt blocks available = %d" TENDSTR), blocks_avail)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "checkpt blocks_avail = %d", blocks_avail); return (blocks_avail <= 0) ? 0 : 1; } @@ -30,21 +30,21 @@ static int yaffs_checkpt_erase(struct yaffs_dev *dev) if (!dev->param.erase_fn) return 0; - T(YAFFS_TRACE_CHECKPOINT, (TSTR("checking blocks %d to %d" TENDSTR), - dev->internal_start_block, - dev->internal_end_block)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "checking blocks %d to %d", + dev->internal_start_block, dev->internal_end_block); for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) { struct yaffs_block_info *bi = yaffs_get_block_info(dev, i); if (bi->block_state == YAFFS_BLOCK_STATE_CHECKPOINT) { - T(YAFFS_TRACE_CHECKPOINT, - (TSTR("erasing checkpt block %d" TENDSTR), i)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "erasing checkpt block %d", i); dev->n_erasures++; if (dev->param. erase_fn(dev, - i - dev->block_offset /* realign */ )) { + i - dev->block_offset /* realign */)) { bi->block_state = YAFFS_BLOCK_STATE_EMPTY; dev->n_erased_blocks++; dev->n_free_chunks += @@ -65,11 +65,11 @@ static void yaffs2_checkpt_find_erased_block(struct yaffs_dev *dev) { int i; int blocks_avail = dev->n_erased_blocks - dev->param.n_reserved_blocks; - T(YAFFS_TRACE_CHECKPOINT, - (TSTR - ("allocating checkpt block: erased %d reserved %d avail %d next %d " - TENDSTR), dev->n_erased_blocks, dev->param.n_reserved_blocks, - blocks_avail, dev->checkpt_next_block)); + + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "allocating checkpt block: erased %d reserved %d avail %d next %d ", + dev->n_erased_blocks, dev->param.n_reserved_blocks, + blocks_avail, dev->checkpt_next_block); if (dev->checkpt_next_block >= 0 && dev->checkpt_next_block <= dev->internal_end_block && @@ -82,14 +82,13 @@ static void yaffs2_checkpt_find_erased_block(struct yaffs_dev *dev) if (bi->block_state == YAFFS_BLOCK_STATE_EMPTY) { dev->checkpt_next_block = i + 1; dev->checkpt_cur_block = i; - T(YAFFS_TRACE_CHECKPOINT, - (TSTR("allocating checkpt block %d" TENDSTR), - i)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "allocating checkpt block %d", i); return; } } } - T(YAFFS_TRACE_CHECKPOINT, (TSTR("out of checkpt blocks" TENDSTR))); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, "out of checkpt blocks"); dev->checkpt_next_block = -1; dev->checkpt_cur_block = -1; @@ -100,9 +99,9 @@ static void yaffs2_checkpt_find_block(struct yaffs_dev *dev) int i; struct yaffs_ext_tags tags; - T(YAFFS_TRACE_CHECKPOINT, - (TSTR("find next checkpt block: start: blocks %d next %d" TENDSTR), - dev->blocks_in_checkpt, dev->checkpt_next_block)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "find next checkpt block: start: blocks %d next %d", + dev->blocks_in_checkpt, dev->checkpt_next_block); if (dev->blocks_in_checkpt < dev->checkpt_max_blocks) for (i = dev->checkpt_next_block; i <= dev->internal_end_block; @@ -112,11 +111,10 @@ static void yaffs2_checkpt_find_block(struct yaffs_dev *dev) dev->param.read_chunk_tags_fn(dev, realigned_chunk, NULL, &tags); - T(YAFFS_TRACE_CHECKPOINT, - (TSTR - ("find next checkpt block: search: block %d oid %d seq %d eccr %d" - TENDSTR), i, tags.obj_id, tags.seq_number, - tags.ecc_result)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "find next checkpt block: search: block %d oid %d seq %d eccr %d", + i, tags.obj_id, tags.seq_number, + tags.ecc_result); if (tags.seq_number == YAFFS_SEQUENCE_CHECKPOINT_DATA) { /* Right kind of block */ @@ -125,14 +123,13 @@ static void yaffs2_checkpt_find_block(struct yaffs_dev *dev) dev->checkpt_block_list[dev-> blocks_in_checkpt] = i; dev->blocks_in_checkpt++; - T(YAFFS_TRACE_CHECKPOINT, - (TSTR("found checkpt block %d" TENDSTR), i)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "found checkpt block %d", i); return; } } - T(YAFFS_TRACE_CHECKPOINT, - (TSTR("found no more checkpt blocks" TENDSTR))); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, "found no more checkpt blocks"); dev->checkpt_next_block = -1; dev->checkpt_cur_block = -1; @@ -140,7 +137,6 @@ static void yaffs2_checkpt_find_block(struct yaffs_dev *dev) int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing) { - dev->checkpt_open_write = writing; /* Got the functions we need? */ @@ -154,7 +150,7 @@ int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing) if (!dev->checkpt_buffer) dev->checkpt_buffer = - YMALLOC_DMA(dev->param.total_bytes_per_chunk); + kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS); if (!dev->checkpt_buffer) return 0; @@ -175,14 +171,14 @@ int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing) int i; /* Set to a value that will kick off a read */ dev->checkpt_byte_offs = dev->data_bytes_per_chunk; - /* A checkpoint block list of 1 checkpoint block per 16 block is (hopefully) - * going to be way more than we need */ + /* A checkpoint block list of 1 checkpoint block per 16 block is + * (hopefully) going to be way more than we need */ dev->blocks_in_checkpt = 0; dev->checkpt_max_blocks = (dev->internal_end_block - dev->internal_start_block) / 16 + 2; dev->checkpt_block_list = - YMALLOC(sizeof(int) * dev->checkpt_max_blocks); + kmalloc(sizeof(int) * dev->checkpt_max_blocks, GFP_NOFS); if (!dev->checkpt_block_list) return 0; @@ -196,6 +192,7 @@ int yaffs2_checkpt_open(struct yaffs_dev *dev, int writing) int yaffs2_get_checkpt_sum(struct yaffs_dev *dev, u32 * sum) { u32 composite_sum; + composite_sum = (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xFF); *sum = composite_sum; return 1; @@ -205,7 +202,6 @@ static int yaffs2_checkpt_flush_buffer(struct yaffs_dev *dev) { int chunk; int realigned_chunk; - struct yaffs_ext_tags tags; if (dev->checkpt_cur_block < 0) { @@ -234,11 +230,10 @@ static int yaffs2_checkpt_flush_buffer(struct yaffs_dev *dev) dev->checkpt_cur_block * dev->param.chunks_per_block + dev->checkpt_cur_chunk; - T(YAFFS_TRACE_CHECKPOINT, - (TSTR - ("checkpoint wite buffer nand %d(%d:%d) objid %d chId %d" TENDSTR), - chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk, tags.obj_id, - tags.chunk_id)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "checkpoint wite buffer nand %d(%d:%d) objid %d chId %d", + chunk, dev->checkpt_cur_block, dev->checkpt_cur_chunk, + tags.obj_id, tags.chunk_id); realigned_chunk = chunk - dev->chunk_offset; @@ -262,7 +257,6 @@ int yaffs2_checkpt_wr(struct yaffs_dev *dev, const void *data, int n_bytes) { int i = 0; int ok = 1; - u8 *data_bytes = (u8 *) data; if (!dev->checkpt_buffer) @@ -294,10 +288,8 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes) int i = 0; int ok = 1; struct yaffs_ext_tags tags; - int chunk; int realigned_chunk; - u8 *data_bytes = (u8 *) data; if (!dev->checkpt_buffer) @@ -329,10 +321,9 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes) /* read in the next chunk */ dev->param.read_chunk_tags_fn(dev, - realigned_chunk, - dev-> - checkpt_buffer, - &tags); + realigned_chunk, + dev->checkpt_buffer, + &tags); if (tags.chunk_id != (dev->checkpt_page_seq + 1) || tags.ecc_result > YAFFS_ECC_RESULT_FIXED @@ -367,7 +358,6 @@ int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes) int yaffs_checkpt_close(struct yaffs_dev *dev) { - if (dev->checkpt_open_write) { if (dev->checkpt_byte_offs != 0) yaffs2_checkpt_flush_buffer(dev); @@ -383,11 +373,8 @@ int yaffs_checkpt_close(struct yaffs_dev *dev) bi = yaffs_get_block_info(dev, blk); if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY) bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT; - else { - /* Todo this looks odd... */ - } } - YFREE(dev->checkpt_block_list); + kfree(dev->checkpt_block_list); dev->checkpt_block_list = NULL; } @@ -395,26 +382,26 @@ int yaffs_checkpt_close(struct yaffs_dev *dev) dev->blocks_in_checkpt * dev->param.chunks_per_block; dev->n_erased_blocks -= dev->blocks_in_checkpt; - T(YAFFS_TRACE_CHECKPOINT, (TSTR("checkpoint byte count %d" TENDSTR), - dev->checkpt_byte_count)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, "checkpoint byte count %d", + dev->checkpt_byte_count); if (dev->checkpt_buffer) { /* free the buffer */ - YFREE(dev->checkpt_buffer); + kfree(dev->checkpt_buffer); dev->checkpt_buffer = NULL; return 1; } else { return 0; - } + } } int yaffs2_checkpt_invalidate_stream(struct yaffs_dev *dev) { /* Erase the checkpoint data */ - T(YAFFS_TRACE_CHECKPOINT, - (TSTR("checkpoint invalidate of %d blocks" TENDSTR), - dev->blocks_in_checkpt)); + yaffs_trace(YAFFS_TRACE_CHECKPOINT, + "checkpoint invalidate of %d blocks", + dev->blocks_in_checkpt); return yaffs_checkpt_erase(dev); }