#include "yaffs_bitmap.h"
#include "yaffs_getblockinfo.h"
#include "yaffs_nand.h"
-
+#include "yaffs_attribs.h"
int yaffs1_scan(struct yaffs_dev *dev)
{
struct yaffs_shadow_fixer *shadow_fixers = NULL;
-
u8 *chunk_data;
-
-
- T(YAFFS_TRACE_SCAN,
- (TSTR("yaffs1_scan starts intstartblk %d intendblk %d..." TENDSTR),
- dev->internal_start_block, dev->internal_end_block));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ "yaffs1_scan starts intstartblk %d intendblk %d...",
+ dev->internal_start_block, dev->internal_end_block);
chunk_data = yaffs_get_temp_buffer(dev, __LINE__);
/* Scan all the blocks to determine their state */
bi = dev->block_info;
- for (blk = dev->internal_start_block; blk <= dev->internal_end_block; blk++) {
+ for (blk = dev->internal_start_block; blk <= dev->internal_end_block;
+ blk++) {
yaffs_clear_chunk_bits(dev, blk);
bi->pages_in_use = 0;
bi->soft_del_pages = 0;
if (bi->seq_number == YAFFS_SEQUENCE_BAD_BLOCK)
bi->block_state = state = YAFFS_BLOCK_STATE_DEAD;
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block scanning block %d state %d seq %d" TENDSTR), blk,
- state, seq_number));
+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG,
+ "Block scanning block %d state %d seq %d",
+ blk, state, seq_number);
if (state == YAFFS_BLOCK_STATE_DEAD) {
- T(YAFFS_TRACE_BAD_BLOCKS,
- (TSTR("block %d is bad" TENDSTR), blk));
+ yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
+ "block %d is bad", blk);
} else if (state == YAFFS_BLOCK_STATE_EMPTY) {
- T(YAFFS_TRACE_SCAN_DEBUG,
- (TSTR("Block empty " TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_SCAN_DEBUG, "Block empty ");
dev->n_erased_blocks++;
dev->n_free_chunks += dev->param.chunks_per_block;
}
}
/* For each block.... */
- for (blk= dev->internal_start_block;
- !alloc_failed && blk <= dev->internal_end_block;
- blk++) {
+ for (blk = dev->internal_start_block;
+ !alloc_failed && blk <= dev->internal_end_block; blk++) {
- YYIELD();
+ cond_resched();
bi = yaffs_get_block_info(dev, blk);
state = bi->block_state;
deleted = 0;
- /* For each chunk in each block that needs scanning....*/
+ /* For each chunk in each block that needs scanning.... */
for (c = 0; !alloc_failed && c < dev->param.chunks_per_block &&
state == YAFFS_BLOCK_STATE_NEEDS_SCANNING; c++) {
/* Read the tags and decide what to do */
chunk = blk * dev->param.chunks_per_block + c;
result = yaffs_rd_chunk_tags_nand(dev, chunk, NULL,
- &tags);
+ &tags);
/* Let's have a good look at this chunk... */
- if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED || tags.is_deleted) {
+ if (tags.ecc_result == YAFFS_ECC_RESULT_UNFIXED
+ || tags.is_deleted) {
/* YAFFS1 only...
* A deleted chunk
*/
dev->n_erased_blocks++;
} else {
/* this is the block being allocated from */
- T(YAFFS_TRACE_SCAN,
- (TSTR
- (" Allocating from %d %d" TENDSTR),
- blk, c));
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ " Allocating from %d %d",
+ blk, c);
state = YAFFS_BLOCK_STATE_ALLOCATING;
dev->alloc_block = blk;
dev->alloc_page = c;
}
- dev->n_free_chunks += (dev->param.chunks_per_block - c);
+ dev->n_free_chunks +=
+ (dev->param.chunks_per_block - c);
} else if (tags.chunk_id > 0) {
/* chunk_id > 0 so it is a data chunk... */
unsigned int endpos;
bi->pages_in_use++;
in = yaffs_find_or_create_by_number(dev,
- tags.
- obj_id,
- YAFFS_OBJECT_TYPE_FILE);
+ tags.obj_id,
+ YAFFS_OBJECT_TYPE_FILE);
/* PutChunkIntoFile checks for a clash (two data chunks with
* the same chunk_id).
*/
alloc_failed = 1;
if (in) {
- if (!yaffs_put_chunk_in_file(in, tags.chunk_id, chunk, 1))
+ if (!yaffs_put_chunk_in_file
+ (in, tags.chunk_id, chunk, 1))
alloc_failed = 1;
}
endpos =
- (tags.chunk_id - 1) * dev->data_bytes_per_chunk +
+ (tags.chunk_id -
+ 1) * dev->data_bytes_per_chunk +
tags.n_bytes;
- if (in &&
- in->variant_type == YAFFS_OBJECT_TYPE_FILE
+ if (in
+ && in->variant_type ==
+ YAFFS_OBJECT_TYPE_FILE
&& in->variant.file_variant.scanned_size <
endpos) {
- in->variant.file_variant.
- scanned_size = endpos;
+ in->variant.file_variant.scanned_size =
+ endpos;
if (!dev->param.use_header_file_size) {
- in->variant.file_variant.
- file_size =
- in->variant.file_variant.
- scanned_size;
+ in->variant.
+ file_variant.file_size =
+ in->variant.
+ file_variant.scanned_size;
}
}
bi->pages_in_use++;
result = yaffs_rd_chunk_tags_nand(dev, chunk,
- chunk_data,
- NULL);
+ chunk_data,
+ NULL);
- oh = (struct yaffs_obj_hdr *) chunk_data;
+ oh = (struct yaffs_obj_hdr *)chunk_data;
- in = yaffs_find_by_number(dev,
- tags.obj_id);
+ in = yaffs_find_by_number(dev, tags.obj_id);
if (in && in->variant_type != oh->type) {
/* This should not happen, but somehow
* Wev'e ended up with an obj_id that has been reused but not yet
}
in = yaffs_find_or_create_by_number(dev,
- tags.
- obj_id,
- oh->type);
+ tags.obj_id,
+ oh->type);
if (!in)
alloc_failed = 1;
if (in && oh->shadows_obj > 0) {
struct yaffs_shadow_fixer *fixer;
- fixer = YMALLOC(sizeof(struct yaffs_shadow_fixer));
+ fixer =
+ kmalloc(sizeof
+ (struct yaffs_shadow_fixer),
+ GFP_NOFS);
if (fixer) {
fixer->next = shadow_fixers;
shadow_fixers = fixer;
fixer->obj_id = tags.obj_id;
- fixer->shadowed_id = oh->shadows_obj;
- T(YAFFS_TRACE_SCAN,
- (TSTR
- (" Shadow fixer: %d shadows %d" TENDSTR),
- fixer->obj_id, fixer->shadowed_id));
+ fixer->shadowed_id =
+ oh->shadows_obj;
+ yaffs_trace(YAFFS_TRACE_SCAN,
+ " Shadow fixer: %d shadows %d",
+ fixer->obj_id,
+ fixer->shadowed_id);
}
/* We have already filled this one. We have a duplicate and need to resolve it. */
unsigned existing_serial = in->serial;
- unsigned new_serial = tags.serial_number;
+ unsigned new_serial =
+ tags.serial_number;
- if (((existing_serial + 1) & 3) == new_serial) {
+ if (((existing_serial + 1) & 3) ==
+ new_serial) {
/* Use new one - destroy the exisiting one */
yaffs_chunk_del(dev,
- in->hdr_chunk,
- 1, __LINE__);
+ in->hdr_chunk,
+ 1, __LINE__);
in->valid = 0;
} else {
/* Use existing - destroy this one. */
yaffs_chunk_del(dev, chunk, 1,
- __LINE__);
+ __LINE__);
}
}
if (in && !in->valid &&
(tags.obj_id == YAFFS_OBJECTID_ROOT ||
- tags.obj_id == YAFFS_OBJECTID_LOSTNFOUND)) {
+ tags.obj_id ==
+ YAFFS_OBJECTID_LOSTNFOUND)) {
/* We only load some info, don't fiddle with directory structure */
in->valid = 1;
in->variant_type = oh->type;
in->yst_mode = oh->yst_mode;
-#ifdef CONFIG_YAFFS_WINCE
- in->win_atime[0] = oh->win_atime[0];
- in->win_ctime[0] = oh->win_ctime[0];
- in->win_mtime[0] = oh->win_mtime[0];
- in->win_atime[1] = oh->win_atime[1];
- in->win_ctime[1] = oh->win_ctime[1];
- in->win_mtime[1] = oh->win_mtime[1];
-#else
- in->yst_uid = oh->yst_uid;
- in->yst_gid = oh->yst_gid;
- in->yst_atime = oh->yst_atime;
- in->yst_mtime = oh->yst_mtime;
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
-#endif
+ yaffs_load_attribs(in, oh);
in->hdr_chunk = chunk;
in->serial = tags.serial_number;
in->variant_type = oh->type;
in->yst_mode = oh->yst_mode;
-#ifdef CONFIG_YAFFS_WINCE
- in->win_atime[0] = oh->win_atime[0];
- in->win_ctime[0] = oh->win_ctime[0];
- in->win_mtime[0] = oh->win_mtime[0];
- in->win_atime[1] = oh->win_atime[1];
- in->win_ctime[1] = oh->win_ctime[1];
- in->win_mtime[1] = oh->win_mtime[1];
-#else
- in->yst_uid = oh->yst_uid;
- in->yst_gid = oh->yst_gid;
- in->yst_atime = oh->yst_atime;
- in->yst_mtime = oh->yst_mtime;
- in->yst_ctime = oh->yst_ctime;
- in->yst_rdev = oh->yst_rdev;
-#endif
+ yaffs_load_attribs(in, oh);
in->hdr_chunk = chunk;
in->serial = tags.serial_number;
YAFFS_OBJECT_TYPE_UNKNOWN) {
/* Set up as a directory */
parent->variant_type =
- YAFFS_OBJECT_TYPE_DIRECTORY;
- INIT_LIST_HEAD(&parent->variant.
- dir_variant.
- children);
- } else if (!parent || parent->variant_type !=
+ YAFFS_OBJECT_TYPE_DIRECTORY;
+ INIT_LIST_HEAD(&parent->
+ variant.dir_variant.children);
+ } else if (!parent
+ || parent->variant_type !=
YAFFS_OBJECT_TYPE_DIRECTORY) {
/* Hoosterman, another problem....
* We're trying to use a non-directory as a directory
*/
- T(YAFFS_TRACE_ERROR,
- (TSTR
- ("yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
- TENDSTR)));
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "yaffs tragedy: attempting to use non-directory as a directory in scan. Put in lost+found."
+ );
parent = dev->lost_n_found;
}
yaffs_add_obj_to_dir(parent, in);
if (0 && (parent == dev->del_dir ||
- parent == dev->unlinked_dir)) {
+ parent ==
+ dev->unlinked_dir)) {
in->deleted = 1; /* If it is unlinked at start up then it wants deleting */
dev->n_deleted_files++;
}
/* Todo got a problem */
break;
case YAFFS_OBJECT_TYPE_FILE:
- if (dev->param.use_header_file_size)
+ if (dev->param.
+ use_header_file_size)
- in->variant.file_variant.
- file_size =
- oh->file_size;
+ in->variant.
+ file_variant.file_size
+ = oh->file_size;
break;
case YAFFS_OBJECT_TYPE_HARDLINK:
- in->variant.hardlink_variant.
- equiv_id =
- oh->equiv_id;
+ in->variant.
+ hardlink_variant.equiv_id =
+ oh->equiv_id;
in->hard_links.next =
- (struct list_head *)
- hard_list;
+ (struct list_head *)
+ hard_list;
hard_list = in;
break;
case YAFFS_OBJECT_TYPE_DIRECTORY:
/* Do nothing */
break;
case YAFFS_OBJECT_TYPE_SYMLINK:
- in->variant.symlink_variant.alias =
+ in->variant.symlink_variant.
+ alias =
yaffs_clone_str(oh->alias);
- if (!in->variant.symlink_variant.alias)
+ if (!in->variant.
+ symlink_variant.alias)
alloc_failed = 1;
break;
}
}
if (state == YAFFS_BLOCK_STATE_NEEDS_SCANNING) {
- /* If we got this far while scanning, then the block is fully allocated.*/
+ /* If we got this far while scanning, then the block is fully allocated. */
state = YAFFS_BLOCK_STATE_FULL;
}
if (state == YAFFS_BLOCK_STATE_ALLOCATING) {
- /* If the block was partially allocated then treat it as fully allocated.*/
+ /* If the block was partially allocated then treat it as fully allocated. */
state = YAFFS_BLOCK_STATE_FULL;
dev->alloc_block = -1;
}
}
-
/* Ok, we've done all the scanning.
* Fix up the hard link chains.
* We should now have scanned all the objects, now it's time to add these
if (obj)
yaffs_update_oh(obj, NULL, 1, 0, 0, NULL);
- YFREE(fixer);
+ kfree(fixer);
}
}
if (alloc_failed)
return YAFFS_FAIL;
- T(YAFFS_TRACE_SCAN, (TSTR("yaffs1_scan ends" TENDSTR)));
-
+ yaffs_trace(YAFFS_TRACE_SCAN, "yaffs1_scan ends");
return YAFFS_OK;
}
-
projects / yaffs2.git / blobdiff