if (buffer) {
/* assume it is an unmanaged one. */
- yaffs_trace(YAFFS_TRACE_BUFFERS, "Releasing unmanaged temp buffer");
+ yaffs_trace(YAFFS_TRACE_BUFFERS,
+ "Releasing unmanaged temp buffer");
kfree(buffer);
dev->unmanaged_buffer_deallocs++;
}
}
-/*
- * Determine if we have a managed buffer.
- */
-int yaffs_is_managed_tmp_buffer(struct yaffs_dev *dev, const u8 *buffer)
-{
- int i;
-
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
- if (dev->temp_buffer[i].buffer == buffer)
- return 1;
- }
-
- for (i = 0; i < dev->param.n_caches; i++) {
- if (dev->cache[i].data == buffer)
- return 1;
- }
-
- if (buffer == dev->checkpt_buffer)
- return 1;
-
- yaffs_trace(YAFFS_TRACE_ALWAYS,
- "yaffs: unmaged buffer detected.");
- return 0;
-}
-
/*
* Functions for robustisizing TODO
*
const u8 *data,
const struct yaffs_ext_tags *tags)
{
- dev = dev;
- nand_chunk = nand_chunk;
- data = data;
- tags = tags;
+ (void) dev;
+ (void) nand_chunk;
+ (void) data;
+ (void) tags;
}
static void yaffs_handle_chunk_update(struct yaffs_dev *dev, int nand_chunk,
const struct yaffs_ext_tags *tags)
{
- dev = dev;
- nand_chunk = nand_chunk;
- tags = tags;
+ (void) dev;
+ (void) nand_chunk;
+ (void) tags;
}
void yaffs_handle_chunk_error(struct yaffs_dev *dev,
static inline int yaffs_hash_fn(int n)
{
- n = abs(n);
+ if (n < 0)
+ n = -n;
return n % YAFFS_NOBJECT_BUCKETS;
}
loff_t yaffs_max_file_size(struct yaffs_dev *dev)
{
- return ((loff_t) YAFFS_MAX_CHUNK_ID) * dev->data_bytes_per_chunk;
+ if(sizeof(loff_t) < 8)
+ return YAFFS_MAX_FILE_SIZE_32;
+ else
+ return ((loff_t) YAFFS_MAX_CHUNK_ID) * dev->data_bytes_per_chunk;
}
/*-------------------- TNODES -------------------
dev->n_tnodes = 0;
}
-void yaffs_load_tnode_0(struct yaffs_dev *dev, struct yaffs_tnode *tn,
+static void yaffs_load_tnode_0(struct yaffs_dev *dev, struct yaffs_tnode *tn,
unsigned pos, unsigned val)
{
u32 *map = (u32 *) tn;
int required_depth;
int level = file_struct->top_level;
- dev = dev;
+ (void) dev;
/* Check sane level and chunk Id */
if (level < 0 || level > YAFFS_TNODES_MAX_LEVEL)
return NULL;
}
-struct yaffs_obj *yaffs_new_obj(struct yaffs_dev *dev, int number,
+static struct yaffs_obj *yaffs_new_obj(struct yaffs_dev *dev, int number,
enum yaffs_obj_type type)
{
struct yaffs_obj *the_obj = NULL;
bi->has_shrink_hdr = 0;
bi->skip_erased_check = 1; /* Clean, so no need to check */
bi->gc_prioritise = 0;
- bi->has_summary=0;
+ bi->has_summary = 0;
yaffs_clear_chunk_bits(dev, block_no);
/* Update file size */
if (object->variant_type == YAFFS_OBJECT_TYPE_FILE) {
- yaffs_oh_size_load( oh,
+ yaffs_oh_size_load(oh,
object->variant.file_variant.file_size);
tags.extra_file_size =
object->variant.file_variant.file_size;
}
} else {
#else
- dev = dev;
+ (void) dev;
{
#endif
strncpy(name, oh_name, buff_size - 1);
break;
case YAFFS_OBJECT_TYPE_FILE:
if (oh->parent_obj_id != YAFFS_OBJECTID_DELETED &&
- oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED)
- file_size = in->variant.file_variant.file_size;
+ oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED)
+ file_size = in->variant.file_variant.file_size;
yaffs_oh_size_load(oh, file_size);
break;
case YAFFS_OBJECT_TYPE_HARDLINK:
while (n > 0 && chunk_written >= 0) {
yaffs_addr_to_chunk(dev, offset, &chunk, &start);
- if (((loff_t)chunk) * dev->data_bytes_per_chunk + start != offset ||
+ if (((loff_t)chunk) *
+ dev->data_bytes_per_chunk + start != offset ||
start >= dev->data_bytes_per_chunk) {
yaffs_trace(YAFFS_TRACE_ERROR,
"AddrToChunk of offset %lld gives chunk %d start %d",
* before.
*/
- chunk_start = (((loff_t)(chunk - 1)) * dev->data_bytes_per_chunk);
+ chunk_start = (((loff_t)(chunk - 1)) *
+ dev->data_bytes_per_chunk);
if (chunk_start > in->variant.file_variant.file_size)
n_bytes_read = 0; /* Past end of file */
}
if (n_copy != dev->data_bytes_per_chunk ||
+ !dev->param.cache_bypass_aligned ||
dev->param.inband_tags) {
/* An incomplete start or end chunk (or maybe both
* start and end chunk), or we're using inband tags,
+ * or we're forcing writes through the cache,
* so we want to use the cache buffers.
*/
if (dev->param.n_caches > 0) {
/* ---------------------- File resizing stuff ------------------ */
-static void yaffs_prune_chunks(struct yaffs_obj *in, int new_size)
+static void yaffs_prune_chunks(struct yaffs_obj *in, loff_t new_size)
{
struct yaffs_dev *dev = in->my_dev;
- int old_size = in->variant.file_variant.file_size;
+ loff_t old_size = in->variant.file_variant.file_size;
int i;
int chunk_id;
- int last_del = 1 + (old_size - 1) / dev->data_bytes_per_chunk;
- int start_del = 1 + (new_size + dev->data_bytes_per_chunk - 1) /
- dev->data_bytes_per_chunk;
+ u32 dummy;
+ int last_del;
+ int start_del;
+ if (old_size > 0)
+ yaffs_addr_to_chunk(dev, old_size - 1, &last_del, &dummy);
+ else
+ last_del = 0;
+
+ yaffs_addr_to_chunk(dev, new_size + dev->data_bytes_per_chunk - 1,
+ &start_del, &dummy);
+ last_del++;
+ start_del++;
/* Delete backwards so that we don't end up with holes if
* power is lost part-way through the operation.
return ret_val;
}
-int yaffs_del_file(struct yaffs_obj *in)
+static int yaffs_del_file(struct yaffs_obj *in)
{
int ret_val = YAFFS_OK;
int deleted; /* Need to cache value on stack if in is freed */
*/
yaffs_get_obj_name(l, buffer,
YAFFS_MAX_NAME_LENGTH + 1);
- if (strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH) == 0)
+ if (!strncmp(name, buffer, YAFFS_MAX_NAME_LENGTH))
return l;
}
}
if (!init_failed && !yaffs_create_initial_dir(dev))
init_failed = 1;
- if(!init_failed && dev->param.is_yaffs2 &&
+ if (!init_failed && dev->param.is_yaffs2 &&
!dev->param.disable_summary &&
!yaffs_summary_init(dev))
init_failed = 1;
return n_free;
}
-/*\
- * Marshalling functions to get loff_t file sizes into aand out of
+/*
+ * Marshalling functions to get loff_t file sizes into and out of
* object headers.
*/
void yaffs_oh_size_load(struct yaffs_obj_hdr *oh, loff_t fsize)
{
loff_t retval;
- if(~(oh->file_size_high))
+ if (sizeof(loff_t) >= 8 && ~(oh->file_size_high))
retval = (((loff_t) oh->file_size_high) << 32) |
(((loff_t) oh->file_size_low) & 0xFFFFFFFF);
else
projects / yaffs2.git / blobdiff