X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.c;h=40a5b46cf6caff782ed5bddd68430d944ba3f81f;hp=3023011612875cce3eb21618391939dbfc1e4d8a;hb=refs%2Fheads%2Fmaster;hpb=b21bef3bd5ef583feed45f0500a1058cbaa47136

diff --git a/yaffs_guts.c b/yaffs_guts.c
index 3023011..b83fa63 100644
--- a/yaffs_guts.c
+++ b/yaffs_guts.c
@@ -163,6 +163,8 @@ u8 *yaffs_get_temp_buffer(struct yaffs_dev * dev)
 
 }
 
+/* Frees all the temp_buffer objects in the yaffs_dev instance
+*/
 void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 *buffer)
 {
 	int i;
@@ -2471,6 +2473,8 @@ static unsigned yaffs_find_gc_block(struct yaffs_dev *dev,
 	struct yaffs_block_info *bi;
 	u32 threshold = dev->param.chunks_per_block;
 
+	(void) prioritised;
+
 	/* First let's see if we need to grab a prioritised block */
 	if (dev->has_pending_prioritised_gc && !aggressive) {
 		dev->gc_dirtiest = 0;
@@ -2725,6 +2729,7 @@ int yaffs_bg_gc(struct yaffs_dev *dev, unsigned urgency)
 {
 	int erased_chunks = dev->n_erased_blocks * dev->param.chunks_per_block;
 
+	(void) urgency;
 	yaffs_trace(YAFFS_TRACE_BACKGROUND, "Background gc %u", urgency);
 
 	yaffs_check_gc(dev, 1);
@@ -2759,6 +2764,7 @@ void yaffs_chunk_del(struct yaffs_dev *dev, int chunk_id, int mark_flash,
 	struct yaffs_ext_tags tags;
 	struct yaffs_block_info *bi;
 
+	(void) lyn;
 	if (chunk_id <= 0)
 		return;
 
@@ -3013,8 +3019,10 @@ static void yaffs_check_obj_details_loaded(struct yaffs_obj *in)
 
 	result = yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, buf, &tags);
 
-	if (result == YAFFS_FAIL)
+	if (result == YAFFS_FAIL) {
+		yaffs_release_temp_buffer(dev, buf);
 		return;
+	}
 
 	oh = (struct yaffs_obj_hdr *)buf;
 
@@ -3197,7 +3205,6 @@ int yaffs_update_oh(struct yaffs_obj *in, const YCHAR *name, int force,
 		bi->has_shrink_hdr = 1;
 	}
 
-
 	return new_chunk_id;
 }
 
@@ -4537,11 +4544,16 @@ int yaffs_guts_ll_init(struct yaffs_dev *dev)
 		return YAFFS_FAIL;
 	}
 
+	if (!yaffs_init_tmp_buffers(dev))
+		return YAFFS_FAIL;
+
 	if (yaffs_init_nand(dev) != YAFFS_OK) {
 		yaffs_trace(YAFFS_TRACE_ALWAYS, "InitialiseNAND failed");
 		return YAFFS_FAIL;
 	}
 
+	dev->ll_init = 1;
+
 	return YAFFS_OK;
 }
 
@@ -4688,15 +4700,9 @@ int yaffs_guts_initialise(struct yaffs_dev *dev)
 
 	yaffs_endian_config(dev);
 
-	/* Initialise temporary buffers and caches. */
-	if (!yaffs_init_tmp_buffers(dev))
-		init_failed = 1;
-
+	/* Initialise temporary caches. */
 	dev->gc_cleanup_list = NULL;
 
-
-	dev->cache = NULL;
-
 	if (!init_failed)
 		init_failed = yaffs_cache_init(dev) < 0;
 
@@ -4823,6 +4829,7 @@ void yaffs_deinitialise(struct yaffs_dev *dev)
 		kfree(dev->checkpt_block_list);
 		dev->checkpt_block_list = NULL;
 
+		dev->ll_init = 0;
 		dev->is_mounted = 0;
 
 		yaffs_deinit_nand(dev);
@@ -4860,18 +4867,12 @@ int yaffs_get_n_free_chunks(struct yaffs_dev *dev)
 	int n_free;
 	int n_dirty_caches;
 	int blocks_for_checkpt;
-	u32 i;
 
 	n_free = dev->n_free_chunks;
 	n_free += dev->n_deleted_files;
 
 	/* Now count and subtract the number of dirty chunks in the cache. */
-
-	for (n_dirty_caches = 0, i = 0; i < dev->param.n_caches; i++) {
-		if (dev->cache[i].dirty)
-			n_dirty_caches++;
-	}
-
+	n_dirty_caches = yaffs_count_dirty_caches(dev);
 	n_free -= n_dirty_caches;
 
 	n_free -=
@@ -4888,6 +4889,85 @@ int yaffs_get_n_free_chunks(struct yaffs_dev *dev)
 	return n_free;
 }
 
+/*
+ * Marshalling functions to get the appropriate time values saved
+ * and restored to/from obj headers.
+ *
+ * Note that the WinCE time fields are used to store the 32-bit values.
+ */
+
+static void yaffs_oh_time_load(u32 *yst_time, u32 *win_time, YTIME_T timeval)
+{
+	u32 upper;
+	u32 lower;
+
+	lower = timeval & 0xffffffff;
+	/* we have to use #defines here insted of an if statement
+	otherwise the compiler throws an error saying that
+	right shift count >= width of type when we are using 32 bit time.
+	*/
+	#ifdef CONFIG_YAFFS_USE_32_BIT_TIME_T
+                upper = 0;
+        #else
+                upper = (timeval >> 32) & 0xffffffff;
+        #endif
+
+	*yst_time = lower;
+	win_time[0] = lower;
+	win_time[1] = upper;
+}
+
+static YTIME_T yaffs_oh_time_fetch(const u32 *yst_time, const u32 *win_time)
+{
+	u32 upper;
+	u32 lower;
+
+	if (win_time[1] == 0xffffffff) {
+		upper = 0;
+		lower = *yst_time;
+	} else {
+		upper = win_time[1];
+		lower = win_time[0];
+	}
+	if (sizeof(YTIME_T) > sizeof(u32)) {
+		u64 ret;
+		ret = (((u64)upper) << 32) | lower;
+		return (YTIME_T) ret;
+
+	} else
+		return (YTIME_T) lower;
+}
+
+YTIME_T yaffs_oh_ctime_fetch(struct yaffs_obj_hdr *oh)
+{
+	return yaffs_oh_time_fetch(&oh->yst_ctime, oh->win_ctime);
+}
+
+YTIME_T yaffs_oh_mtime_fetch(struct yaffs_obj_hdr *oh)
+{
+	return yaffs_oh_time_fetch(&oh->yst_mtime, oh->win_mtime);
+}
+
+YTIME_T yaffs_oh_atime_fetch(struct yaffs_obj_hdr *oh)
+{
+	return yaffs_oh_time_fetch(&oh->yst_atime, oh->win_atime);
+}
+
+void yaffs_oh_ctime_load(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh)
+{
+	yaffs_oh_time_load(&oh->yst_ctime, oh->win_ctime, obj->yst_ctime);
+}
+
+void yaffs_oh_mtime_load(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh)
+{
+	yaffs_oh_time_load(&oh->yst_mtime, oh->win_mtime, obj->yst_mtime);
+}
+
+void yaffs_oh_atime_load(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh)
+{
+	yaffs_oh_time_load(&oh->yst_atime, oh->win_atime, obj->yst_atime);
+}
+
 
 /*
  * Marshalling functions to get loff_t file sizes into and out of