X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_checkptrw.c;h=4e40f437e655e8a04873c325f608a8cdd64238a2;hp=519f4068058f061b3fe7328a2ab526516159b81a;hb=8cbfc1e273db791447911631e80c0495c6171ca8;hpb=cf6888f05f691aa1a357e7e94f9bf7b98174bbc3

diff --git a/yaffs_checkptrw.c b/yaffs_checkptrw.c
index 519f406..4e40f43 100644
--- a/yaffs_checkptrw.c
+++ b/yaffs_checkptrw.c
@@ -14,38 +14,41 @@
 #include "yaffs_checkptrw.h"
 #include "yaffs_getblockinfo.h"
 
-static int yaffs2_checkpt_space_ok(yaffs_dev_t *dev)
+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;
 }
 
-
-static int yaffs_checkpt_erase(yaffs_dev_t *dev)
+static int yaffs_checkpt_erase(struct yaffs_dev *dev)
 {
 	int i;
 
 	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++) {
-		yaffs_block_info_t *bi = yaffs_get_block_info(dev, 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 */)) {
+			if (dev->param.
+			    erase_fn(dev,
+				     i - dev->block_offset /* realign */ )) {
 				bi->block_state = YAFFS_BLOCK_STATE_EMPTY;
 				dev->n_erased_blocks++;
-				dev->n_free_chunks += dev->param.chunks_per_block;
+				dev->n_free_chunks +=
+				    dev->param.chunks_per_block;
 			} else {
 				dev->param.bad_block_fn(dev, i);
 				bi->block_state = YAFFS_BLOCK_STATE_DEAD;
@@ -58,93 +61,99 @@ static int yaffs_checkpt_erase(yaffs_dev_t *dev)
 	return 1;
 }
 
-
-static void yaffs2_checkpt_find_erased_block(yaffs_dev_t *dev)
+static void yaffs2_checkpt_find_erased_block(struct yaffs_dev *dev)
 {
-	int  i;
+	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 &&
-			blocks_avail > 0) {
+	    dev->checkpt_next_block <= dev->internal_end_block &&
+	    blocks_avail > 0) {
 
-		for (i = dev->checkpt_next_block; i <= dev->internal_end_block; i++) {
-			yaffs_block_info_t *bi = yaffs_get_block_info(dev, i);
+		for (i = dev->checkpt_next_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_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;
 }
 
-static void yaffs2_checkpt_find_block(yaffs_dev_t *dev)
+static void yaffs2_checkpt_find_block(struct yaffs_dev *dev)
 {
-	int  i;
-	yaffs_ext_tags tags;
+	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; i++) {
+		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;
 
 			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));
+						      NULL, &tags);
+			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 */
 				dev->checkpt_next_block = tags.obj_id;
 				dev->checkpt_cur_block = i;
-				dev->checkpt_block_list[dev->blocks_in_checkpt] = i;
+				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;
 }
 
-
-int yaffs2_checkpt_open(yaffs_dev_t *dev, int writing)
+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)
+	    !dev->param.read_chunk_tags_fn ||
+	    !dev->param.erase_fn || !dev->param.bad_block_fn)
 		return 0;
 
 	if (writing && !yaffs2_checkpt_space_ok(dev))
 		return 0;
 
 	if (!dev->checkpt_buffer)
-		dev->checkpt_buffer = YMALLOC_DMA(dev->param.total_bytes_per_chunk);
+		dev->checkpt_buffer =
+		    kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS);
 	if (!dev->checkpt_buffer)
 		return 0;
 
-
 	dev->checkpt_page_seq = 0;
 	dev->checkpt_byte_count = 0;
 	dev->checkpt_sum = 0;
@@ -165,9 +174,12 @@ int yaffs2_checkpt_open(yaffs_dev_t *dev, int writing)
 		/* 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);
-		if(!dev->checkpt_block_list)
+		dev->checkpt_max_blocks =
+		    (dev->internal_end_block - dev->internal_start_block) / 16 +
+		    2;
+		dev->checkpt_block_list =
+		    kmalloc(sizeof(int) * dev->checkpt_max_blocks, GFP_NOFS);
+		if (!dev->checkpt_block_list)
 			return 0;
 
 		for (i = 0; i < dev->checkpt_max_blocks; i++)
@@ -177,20 +189,20 @@ int yaffs2_checkpt_open(yaffs_dev_t *dev, int writing)
 	return 1;
 }
 
-int yaffs2_get_checkpt_sum(yaffs_dev_t *dev, u32 *sum)
+int yaffs2_get_checkpt_sum(struct yaffs_dev *dev, u32 * sum)
 {
 	u32 composite_sum;
-	composite_sum =  (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xFF);
+	composite_sum = (dev->checkpt_sum << 8) | (dev->checkpt_xor & 0xFF);
 	*sum = composite_sum;
 	return 1;
 }
 
-static int yaffs2_checkpt_flush_buffer(yaffs_dev_t *dev)
+static int yaffs2_checkpt_flush_buffer(struct yaffs_dev *dev)
 {
 	int chunk;
 	int realigned_chunk;
 
-	yaffs_ext_tags tags;
+	struct yaffs_ext_tags tags;
 
 	if (dev->checkpt_cur_block < 0) {
 		yaffs2_checkpt_find_erased_block(dev);
@@ -201,30 +213,34 @@ static int yaffs2_checkpt_flush_buffer(yaffs_dev_t *dev)
 		return 0;
 
 	tags.is_deleted = 0;
-	tags.obj_id = dev->checkpt_next_block; /* Hint to next place to look */
+	tags.obj_id = dev->checkpt_next_block;	/* Hint to next place to look */
 	tags.chunk_id = dev->checkpt_page_seq + 1;
-	tags.seq_number =  YAFFS_SEQUENCE_CHECKPOINT_DATA;
+	tags.seq_number = YAFFS_SEQUENCE_CHECKPOINT_DATA;
 	tags.n_bytes = dev->data_bytes_per_chunk;
 	if (dev->checkpt_cur_chunk == 0) {
 		/* First chunk we write for the block? Set block state to
 		   checkpoint */
-		yaffs_block_info_t *bi = yaffs_get_block_info(dev, dev->checkpt_cur_block);
+		struct yaffs_block_info *bi =
+		    yaffs_get_block_info(dev, dev->checkpt_cur_block);
 		bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT;
 		dev->blocks_in_checkpt++;
 	}
 
-	chunk = dev->checkpt_cur_block * dev->param.chunks_per_block + dev->checkpt_cur_chunk;
-
+	chunk =
+	    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;
 
 	dev->n_page_writes++;
 
 	dev->param.write_chunk_tags_fn(dev, realigned_chunk,
-			dev->checkpt_buffer, &tags);
+				       dev->checkpt_buffer, &tags);
 	dev->checkpt_byte_offs = 0;
 	dev->checkpt_page_seq++;
 	dev->checkpt_cur_chunk++;
@@ -237,16 +253,12 @@ static int yaffs2_checkpt_flush_buffer(yaffs_dev_t *dev)
 	return 1;
 }
 
-
-int yaffs2_checkpt_wr(yaffs_dev_t *dev, const void *data, int n_bytes)
+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;
-
-
+	u8 *data_bytes = (u8 *) data;
 
 	if (!dev->checkpt_buffer)
 		return 0;
@@ -264,26 +276,24 @@ int yaffs2_checkpt_wr(yaffs_dev_t *dev, const void *data, int n_bytes)
 		data_bytes++;
 		dev->checkpt_byte_count++;
 
-
 		if (dev->checkpt_byte_offs < 0 ||
-		   dev->checkpt_byte_offs >= dev->data_bytes_per_chunk)
+		    dev->checkpt_byte_offs >= dev->data_bytes_per_chunk)
 			ok = yaffs2_checkpt_flush_buffer(dev);
 	}
 
 	return i;
 }
 
-int yaffs2_checkpt_rd(yaffs_dev_t *dev, void *data, int n_bytes)
+int yaffs2_checkpt_rd(struct yaffs_dev *dev, void *data, int n_bytes)
 {
 	int i = 0;
 	int ok = 1;
-	yaffs_ext_tags tags;
-
+	struct yaffs_ext_tags tags;
 
 	int chunk;
 	int realigned_chunk;
 
-	u8 *data_bytes = (u8 *)data;
+	u8 *data_bytes = (u8 *) data;
 
 	if (!dev->checkpt_buffer)
 		return 0;
@@ -293,9 +303,8 @@ int yaffs2_checkpt_rd(yaffs_dev_t *dev, void *data, int n_bytes)
 
 	while (i < n_bytes && ok) {
 
-
 		if (dev->checkpt_byte_offs < 0 ||
-			dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) {
+		    dev->checkpt_byte_offs >= dev->data_bytes_per_chunk) {
 
 			if (dev->checkpt_cur_block < 0) {
 				yaffs2_checkpt_find_block(dev);
@@ -306,35 +315,39 @@ int yaffs2_checkpt_rd(yaffs_dev_t *dev, void *data, int n_bytes)
 				ok = 0;
 			else {
 				chunk = dev->checkpt_cur_block *
-					dev->param.chunks_per_block +
-					dev->checkpt_cur_chunk;
+				    dev->param.chunks_per_block +
+				    dev->checkpt_cur_chunk;
 
 				realigned_chunk = chunk - dev->chunk_offset;
-				
+
 				dev->n_page_reads++;
 
 				/* read in the next chunk */
 				dev->param.read_chunk_tags_fn(dev,
-						realigned_chunk,
-						dev->checkpt_buffer,
-						&tags);
-
-				if (tags.chunk_id != (dev->checkpt_page_seq + 1) ||
-					tags.ecc_result > YAFFS_ECC_RESULT_FIXED ||
-					tags.seq_number != YAFFS_SEQUENCE_CHECKPOINT_DATA)
+							      realigned_chunk,
+							      dev->
+							      checkpt_buffer,
+							      &tags);
+
+				if (tags.chunk_id != (dev->checkpt_page_seq + 1)
+				    || tags.ecc_result > YAFFS_ECC_RESULT_FIXED
+				    || tags.seq_number !=
+				    YAFFS_SEQUENCE_CHECKPOINT_DATA)
 					ok = 0;
 
 				dev->checkpt_byte_offs = 0;
 				dev->checkpt_page_seq++;
 				dev->checkpt_cur_chunk++;
 
-				if (dev->checkpt_cur_chunk >= dev->param.chunks_per_block)
+				if (dev->checkpt_cur_chunk >=
+				    dev->param.chunks_per_block)
 					dev->checkpt_cur_block = -1;
 			}
 		}
 
 		if (ok) {
-			*data_bytes = dev->checkpt_buffer[dev->checkpt_byte_offs];
+			*data_bytes =
+			    dev->checkpt_buffer[dev->checkpt_byte_offs];
 			dev->checkpt_sum += *data_bytes;
 			dev->checkpt_xor ^= *data_bytes;
 			dev->checkpt_byte_offs++;
@@ -344,21 +357,24 @@ int yaffs2_checkpt_rd(yaffs_dev_t *dev, void *data, int n_bytes)
 		}
 	}
 
-	return 	i;
+	return i;
 }
 
-int yaffs_checkpt_close(yaffs_dev_t *dev)
+int yaffs_checkpt_close(struct yaffs_dev *dev)
 {
 
 	if (dev->checkpt_open_write) {
 		if (dev->checkpt_byte_offs != 0)
 			yaffs2_checkpt_flush_buffer(dev);
-	} else if(dev->checkpt_block_list){
+	} else if (dev->checkpt_block_list) {
 		int i;
-		for (i = 0; i < dev->blocks_in_checkpt && dev->checkpt_block_list[i] >= 0; i++) {
+		for (i = 0;
+		     i < dev->blocks_in_checkpt
+		     && dev->checkpt_block_list[i] >= 0; i++) {
 			int blk = dev->checkpt_block_list[i];
-			yaffs_block_info_t *bi = NULL;
-			if( dev->internal_start_block <= blk && blk <= dev->internal_end_block)
+			struct yaffs_block_info *bi = NULL;
+			if (dev->internal_start_block <= blk
+			    && blk <= dev->internal_end_block)
 				bi = yaffs_get_block_info(dev, blk);
 			if (bi && bi->block_state == YAFFS_BLOCK_STATE_EMPTY)
 				bi->block_state = YAFFS_BLOCK_STATE_CHECKPOINT;
@@ -366,35 +382,34 @@ int yaffs_checkpt_close(yaffs_dev_t *dev)
 				/* Todo this looks odd... */
 			}
 		}
-		YFREE(dev->checkpt_block_list);
+		kfree(dev->checkpt_block_list);
 		dev->checkpt_block_list = NULL;
 	}
 
-	dev->n_free_chunks -= dev->blocks_in_checkpt * dev->param.chunks_per_block;
+	dev->n_free_chunks -=
+	    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
+	} else {
 		return 0;
+        }
 }
 
-int yaffs2_checkpt_invalidate_stream(yaffs_dev_t *dev)
+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);
 }
-
-
-