#include "yaffs_nameval.h"
#include "yaffs_allocator.h"
#include "yaffs_attribs.h"
+#include "yaffs_summary.h"
/* Note YAFFS_GC_GOOD_ENOUGH must be <= YAFFS_GC_PASSIVE_THRESHOLD */
#define YAFFS_GC_GOOD_ENOUGH 2
memset(dev->temp_buffer, 0, sizeof(dev->temp_buffer));
for (i = 0; buf && i < YAFFS_N_TEMP_BUFFERS; i++) {
- dev->temp_buffer[i].line = 0; /* not in use */
- dev->temp_buffer[i].buffer = buf =
- kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS);
+ dev->temp_buffer[i].in_use = 0;
+ buf = kmalloc(dev->param.total_bytes_per_chunk, GFP_NOFS);
+ dev->temp_buffer[i].buffer = buf;
}
return buf ? YAFFS_OK : YAFFS_FAIL;
}
-u8 *yaffs_get_temp_buffer(struct yaffs_dev * dev, int line_no)
+u8 *yaffs_get_temp_buffer(struct yaffs_dev * dev)
{
int i;
- int j;
dev->temp_in_use++;
if (dev->temp_in_use > dev->max_temp)
dev->max_temp = dev->temp_in_use;
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
- if (dev->temp_buffer[i].line == 0) {
- dev->temp_buffer[i].line = line_no;
- if ((i + 1) > dev->max_temp) {
- dev->max_temp = i + 1;
- for (j = 0; j <= i; j++)
- dev->temp_buffer[j].max_line =
- dev->temp_buffer[j].line;
- }
-
+ if (dev->temp_buffer[i].in_use == 0) {
+ dev->temp_buffer[i].in_use = 1;
return dev->temp_buffer[i].buffer;
}
}
- yaffs_trace(YAFFS_TRACE_BUFFERS,
- "Out of temp buffers at line %d, other held by lines:",
- line_no);
- for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++)
- yaffs_trace(YAFFS_TRACE_BUFFERS,
- " %d", dev->temp_buffer[i].line);
-
+ yaffs_trace(YAFFS_TRACE_BUFFERS, "Out of temp buffers");
/*
* If we got here then we have to allocate an unmanaged one
* This is not good.
}
-void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 *buffer, int line_no)
+void yaffs_release_temp_buffer(struct yaffs_dev *dev, u8 *buffer)
{
int i;
for (i = 0; i < YAFFS_N_TEMP_BUFFERS; i++) {
if (dev->temp_buffer[i].buffer == buffer) {
- dev->temp_buffer[i].line = 0;
+ dev->temp_buffer[i].in_use = 0;
return;
}
}
if (buffer) {
/* assume it is an unmanaged one. */
- yaffs_trace(YAFFS_TRACE_BUFFERS,
- "Releasing unmanaged temp buffer in line %d",
- line_no);
+ yaffs_trace(YAFFS_TRACE_BUFFERS, "Releasing unmanaged temp buffer");
kfree(buffer);
dev->unmanaged_buffer_deallocs++;
}
static int yaffs_check_chunk_erased(struct yaffs_dev *dev, int nand_chunk)
{
int retval = YAFFS_OK;
- u8 *data = yaffs_get_temp_buffer(dev, __LINE__);
+ u8 *data = yaffs_get_temp_buffer(dev);
struct yaffs_ext_tags tags;
int result;
retval = YAFFS_FAIL;
}
- yaffs_release_temp_buffer(dev, data, __LINE__);
+ yaffs_release_temp_buffer(dev, data);
return retval;
{
int retval = YAFFS_OK;
struct yaffs_ext_tags temp_tags;
- u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__);
+ u8 *buffer = yaffs_get_temp_buffer(dev);
int result;
result = yaffs_rd_chunk_tags_nand(dev, nand_chunk, buffer, &temp_tags);
temp_tags.n_bytes != tags->n_bytes)
retval = YAFFS_FAIL;
- yaffs_release_temp_buffer(dev, buffer, __LINE__);
+ yaffs_release_temp_buffer(dev, buffer);
return retval;
}
yaffs_trace(YAFFS_TRACE_ERROR,
"**>> yaffs write required %d attempts",
attempts);
- dev->n_retired_writes += (attempts - 1);
+ dev->n_retried_writes += (attempts - 1);
}
return chunk;
int chunk_id =
flash_block * dev->param.chunks_per_block;
- u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__);
+ u8 *buffer = yaffs_get_temp_buffer(dev);
memset(buffer, 0xff, dev->data_bytes_per_chunk);
memset(&tags, 0, sizeof(tags));
"yaffs: Failed to write bad block marker to block %d",
flash_block);
- yaffs_release_temp_buffer(dev, buffer, __LINE__);
+ yaffs_release_temp_buffer(dev, buffer);
}
}
void yaffs_set_obj_name(struct yaffs_obj *obj, const YCHAR * name)
{
-#ifndef CONFIG_YAFFS_NO_SHORT_NAMES
memset(obj->short_name, 0, sizeof(obj->short_name));
if (name &&
strnlen(name, YAFFS_SHORT_NAME_LENGTH + 1) <=
strcpy(obj->short_name, name);
else
obj->short_name[0] = _Y('\0');
-#endif
obj->sum = yaffs_calc_name_sum(name);
}
bi->has_shrink_hdr = 0;
bi->skip_erased_check = 1; /* Clean, so no need to check */
bi->gc_prioritise = 0;
+ bi->has_summary=0;
+
yaffs_clear_chunk_bits(dev, block_no);
yaffs_trace(YAFFS_TRACE_ERASE, "Erased block %d", block_no);
dev->gc_disable = 1;
+ yaffs_summary_gc(dev, block);
+
if (is_checkpt_block || !yaffs_still_some_chunks(dev, block)) {
yaffs_trace(YAFFS_TRACE_TRACING,
"Collecting block %d that has no chunks in use",
yaffs_block_became_dirty(dev, block);
} else {
- u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__);
+ u8 *buffer = yaffs_get_temp_buffer(dev);
yaffs_verify_blk(dev, bi, block);
old_chunk, buffer);
}
}
- yaffs_release_temp_buffer(dev, buffer, __LINE__);
+ yaffs_release_temp_buffer(dev, buffer);
}
yaffs_verify_collected_blk(dev, bi, block);
return 0;
}
- buffer = (char *)yaffs_get_temp_buffer(dev, __LINE__);
+ buffer = (char *)yaffs_get_temp_buffer(dev);
if (!buffer)
return -ENOMEM;
else
retval = nval_list(x_buffer, x_size, value, size);
}
- yaffs_release_temp_buffer(dev, (u8 *) buffer, __LINE__);
+ yaffs_release_temp_buffer(dev, (u8 *) buffer);
return retval;
}
dev = in->my_dev;
in->lazy_loaded = 0;
- buf = yaffs_get_temp_buffer(dev, __LINE__);
+ buf = yaffs_get_temp_buffer(dev);
result = yaffs_rd_chunk_tags_nand(dev, in->hdr_chunk, buf, &tags);
oh = (struct yaffs_obj_hdr *)buf;
if (!in->variant.symlink_variant.alias)
alloc_failed = 1; /* Not returned */
}
- yaffs_release_temp_buffer(dev, buf, __LINE__);
+ yaffs_release_temp_buffer(dev, buf);
}
static void yaffs_load_name_from_oh(struct yaffs_dev *dev, YCHAR *name,
yaffs_check_gc(dev, 0);
yaffs_check_obj_details_loaded(in);
- buffer = yaffs_get_temp_buffer(in->my_dev, __LINE__);
+ buffer = yaffs_get_temp_buffer(in->my_dev);
oh = (struct yaffs_obj_hdr *)buffer;
prev_chunk_id = in->hdr_chunk;
(prev_chunk_id > 0) ? 1 : 0);
if (buffer)
- yaffs_release_temp_buffer(dev, buffer, __LINE__);
+ yaffs_release_temp_buffer(dev, buffer);
if (new_chunk_id < 0)
return new_chunk_id;
/* Read into the local buffer then copy.. */
u8 *local_buffer =
- yaffs_get_temp_buffer(dev, __LINE__);
+ yaffs_get_temp_buffer(dev);
yaffs_rd_data_obj(in, chunk, local_buffer);
memcpy(buffer, &local_buffer[start], n_copy);
- yaffs_release_temp_buffer(dev, local_buffer,
- __LINE__);
+ yaffs_release_temp_buffer(dev, local_buffer);
}
} else {
/* A full chunk. Read directly into the buffer. */
* local buffer then copy over and write back.
*/
- u8 *local_buffer =
- yaffs_get_temp_buffer(dev, __LINE__);
+ u8 *local_buffer = yaffs_get_temp_buffer(dev);
yaffs_rd_data_obj(in, chunk, local_buffer);
memcpy(&local_buffer[start], buffer, n_copy);
local_buffer,
n_writeback, 0);
- yaffs_release_temp_buffer(dev, local_buffer,
- __LINE__);
+ yaffs_release_temp_buffer(dev, local_buffer);
}
} else {
/* A full chunk. Write directly from the buffer. */
if (new_partial != 0) {
int last_chunk = 1 + new_full;
- u8 *local_buffer = yaffs_get_temp_buffer(dev, __LINE__);
+ u8 *local_buffer = yaffs_get_temp_buffer(dev);
/* Rewrite the last chunk with its new size and zero pad */
yaffs_rd_data_obj(obj, last_chunk, local_buffer);
yaffs_wr_data_obj(obj, last_chunk, local_buffer,
new_partial, 1);
- yaffs_release_temp_buffer(dev, local_buffer, __LINE__);
+ yaffs_release_temp_buffer(dev, local_buffer);
}
obj->variant.file_variant.file_size = new_size;
{
memset(name, 0, buffer_size * sizeof(YCHAR));
yaffs_check_obj_details_loaded(obj);
- if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND)
+ if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) {
strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1);
-#ifndef CONFIG_YAFFS_NO_SHORT_NAMES
- else if (obj->short_name[0])
+ } else if (obj->short_name[0]) {
strcpy(name, obj->short_name);
-#endif
- else if (obj->hdr_chunk > 0) {
+ } else if (obj->hdr_chunk > 0) {
int result;
- u8 *buffer = yaffs_get_temp_buffer(obj->my_dev, __LINE__);
+ u8 *buffer = yaffs_get_temp_buffer(obj->my_dev);
struct yaffs_obj_hdr *oh = (struct yaffs_obj_hdr *)buffer;
yaffs_load_name_from_oh(obj->my_dev, name, oh->name,
buffer_size);
- yaffs_release_temp_buffer(obj->my_dev, buffer, __LINE__);
+ yaffs_release_temp_buffer(obj->my_dev, buffer);
}
yaffs_fix_null_name(obj, name, buffer_size);
if (!dev->param.erase_fn || !dev->param.initialise_flash_fn)
return 0;
-#ifdef CONFIG_YAFFS_YAFFS2
-
/* Can use the "with tags" style interface for yaffs1 or yaffs2 */
if (dev->param.write_chunk_tags_fn &&
dev->param.read_chunk_tags_fn &&
!dev->param.read_chunk_fn &&
dev->param.bad_block_fn && dev->param.query_block_fn)
return 1;
-#endif
/* Can use the "spare" style interface for yaffs1 */
if (!dev->param.is_yaffs2 &&
if (!init_failed && !yaffs_create_initial_dir(dev))
init_failed = 1;
+ if(!init_failed && dev->param.is_yaffs2 &&
+ !dev->param.disable_summary &&
+ !yaffs_summary_init(dev))
+ init_failed = 1;
+
if (!init_failed) {
/* Now scan the flash. */
if (dev->param.is_yaffs2) {
dev->n_page_writes = 0;
dev->n_erasures = 0;
dev->n_gc_copies = 0;
- dev->n_retired_writes = 0;
+ dev->n_retried_writes = 0;
dev->n_retired_blocks = 0;
yaffs_deinit_blocks(dev);
yaffs_deinit_tnodes_and_objs(dev);
+ yaffs_summary_deinit(dev);
+
if (dev->param.n_caches > 0 && dev->cache) {
for (i = 0; i < dev->param.n_caches; i++) {
projects / yaffs2.git / blobdiff