Signed-off-by: Charles Manning <cdhmanning@xxxxxxxxx>
---
fs/yaffs2/yaffs_trace.h | 57 +++++
fs/yaffs2/yaffs_verify.c | 525 ++++++++++++++++++++++++++++++++++++++++++++++
fs/yaffs2/yaffs_verify.h | 43 ++++
3 files changed, 625 insertions(+), 0 deletions(-)
create mode 100644 fs/yaffs2/yaffs_trace.h
create mode 100644 fs/yaffs2/yaffs_verify.c
create mode 100644 fs/yaffs2/yaffs_verify.h
diff --git a/fs/yaffs2/yaffs_trace.h b/fs/yaffs2/yaffs_trace.h
new file mode 100644
index 0000000..fd26054
--- /dev/null
+++ b/fs/yaffs2/yaffs_trace.h
@@ -0,0 +1,57 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ * for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __YTRACE_H__
+#define __YTRACE_H__
+
+extern unsigned int yaffs_trace_mask;
+extern unsigned int yaffs_wr_attempts;
+
+/*
+ * Tracing flags.
+ * The flags masked in YAFFS_TRACE_ALWAYS are always traced.
+ */
+
+#define YAFFS_TRACE_OS 0x00000002
+#define YAFFS_TRACE_ALLOCATE 0x00000004
+#define YAFFS_TRACE_SCAN 0x00000008
+#define YAFFS_TRACE_BAD_BLOCKS 0x00000010
+#define YAFFS_TRACE_ERASE 0x00000020
+#define YAFFS_TRACE_GC 0x00000040
+#define YAFFS_TRACE_WRITE 0x00000080
+#define YAFFS_TRACE_TRACING 0x00000100
+#define YAFFS_TRACE_DELETION 0x00000200
+#define YAFFS_TRACE_BUFFERS 0x00000400
+#define YAFFS_TRACE_NANDACCESS 0x00000800
+#define YAFFS_TRACE_GC_DETAIL 0x00001000
+#define YAFFS_TRACE_SCAN_DEBUG 0x00002000
+#define YAFFS_TRACE_MTD 0x00004000
+#define YAFFS_TRACE_CHECKPOINT 0x00008000
+
+#define YAFFS_TRACE_VERIFY 0x00010000
+#define YAFFS_TRACE_VERIFY_NAND 0x00020000
+#define YAFFS_TRACE_VERIFY_FULL 0x00040000
+#define YAFFS_TRACE_VERIFY_ALL 0x000f0000
+
+#define YAFFS_TRACE_SYNC 0x00100000
+#define YAFFS_TRACE_BACKGROUND 0x00200000
+#define YAFFS_TRACE_LOCK 0x00400000
+#define YAFFS_TRACE_MOUNT 0x00800000
+
+#define YAFFS_TRACE_ERROR 0x40000000
+#define YAFFS_TRACE_BUG 0x80000000
+#define YAFFS_TRACE_ALWAYS 0xf0000000
+
+#endif
diff --git a/fs/yaffs2/yaffs_verify.c b/fs/yaffs2/yaffs_verify.c
new file mode 100644
index 0000000..27d3695
--- /dev/null
+++ b/fs/yaffs2/yaffs_verify.c
@@ -0,0 +1,525 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ * for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "yaffs_verify.h"
+#include "yaffs_trace.h"
+#include "yaffs_bitmap.h"
+#include "yaffs_getblockinfo.h"
+#include "yaffs_nand.h"
+
+int yaffs_skip_verification(struct yaffs_dev *dev)
+{
+ dev = dev;
+ return !(yaffs_trace_mask &
+ (YAFFS_TRACE_VERIFY | YAFFS_TRACE_VERIFY_FULL));
+}
+
+static int yaffs_skip_full_verification(struct yaffs_dev *dev)
+{
+ dev = dev;
+ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_FULL));
+}
+
+static int yaffs_skip_nand_verification(struct yaffs_dev *dev)
+{
+ dev = dev;
+ return !(yaffs_trace_mask & (YAFFS_TRACE_VERIFY_NAND));
+}
+
+static const char * const block_state_name[] = {
+ "Unknown",
+ "Needs scan",
+ "Scanning",
+ "Empty",
+ "Allocating",
+ "Full",
+ "Dirty",
+ "Checkpoint",
+ "Collecting",
+ "Dead"
+};
+
+void yaffs_verify_blk(struct yaffs_dev *dev, struct yaffs_block_info *bi, int n)
+{
+ int actually_used;
+ int in_use;
+
+ if (yaffs_skip_verification(dev))
+ return;
+
+ /* Report illegal runtime states */
+ if (bi->block_state >= YAFFS_NUMBER_OF_BLOCK_STATES)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Block %d has undefined state %d",
+ n, bi->block_state);
+
+ switch (bi->block_state) {
+ case YAFFS_BLOCK_STATE_UNKNOWN:
+ case YAFFS_BLOCK_STATE_SCANNING:
+ case YAFFS_BLOCK_STATE_NEEDS_SCAN:
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Block %d has bad run-state %s",
+ n, block_state_name[bi->block_state]);
+ }
+
+ /* Check pages in use and soft deletions are legal */
+
+ actually_used = bi->pages_in_use - bi->soft_del_pages;
+
+ if (bi->pages_in_use < 0 ||
+ bi->pages_in_use > dev->param.chunks_per_block ||
+ bi->soft_del_pages < 0 ||
+ bi->soft_del_pages > dev->param.chunks_per_block ||
+ actually_used < 0 || actually_used > dev->param.chunks_per_block)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Block %d has illegal values pages_in_used %d soft_del_pages %d",
+ n, bi->pages_in_use, bi->soft_del_pages);
+
+ /* Check chunk bitmap legal */
+ in_use = yaffs_count_chunk_bits(dev, n);
+ if (in_use != bi->pages_in_use)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Block %d has inconsistent values pages_in_use %d counted chunk bits %d",
+ n, bi->pages_in_use, in_use);
+}
+
+void yaffs_verify_collected_blk(struct yaffs_dev *dev,
+ struct yaffs_block_info *bi, int n)
+{
+ yaffs_verify_blk(dev, bi, n);
+
+ /* After collection the block should be in the erased state */
+
+ if (bi->block_state != YAFFS_BLOCK_STATE_COLLECTING &&
+ bi->block_state != YAFFS_BLOCK_STATE_EMPTY) {
+ yaffs_trace(YAFFS_TRACE_ERROR,
+ "Block %d is in state %d after gc, should be erased",
+ n, bi->block_state);
+ }
+}
+
+void yaffs_verify_blocks(struct yaffs_dev *dev)
+{
+ int i;
+ int state_count[YAFFS_NUMBER_OF_BLOCK_STATES];
+ int illegal_states = 0;
+
+ if (yaffs_skip_verification(dev))
+ return;
+
+ memset(state_count, 0, sizeof(state_count));
+
+ for (i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
+ struct yaffs_block_info *bi = yaffs_get_block_info(dev, i);
+ yaffs_verify_blk(dev, bi, i);
+
+ if (bi->block_state < YAFFS_NUMBER_OF_BLOCK_STATES)
+ state_count[bi->block_state]++;
+ else
+ illegal_states++;
+ }
+
+ yaffs_trace(YAFFS_TRACE_VERIFY, "Block summary");
+
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "%d blocks have illegal states",
+ illegal_states);
+ if (state_count[YAFFS_BLOCK_STATE_ALLOCATING] > 1)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Too many allocating blocks");
+
+ for (i = 0; i < YAFFS_NUMBER_OF_BLOCK_STATES; i++)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "%s %d blocks",
+ block_state_name[i], state_count[i]);
+
+ if (dev->blocks_in_checkpt != state_count[YAFFS_BLOCK_STATE_CHECKPOINT])
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Checkpoint block count wrong dev %d count %d",
+ dev->blocks_in_checkpt,
+ state_count[YAFFS_BLOCK_STATE_CHECKPOINT]);
+
+ if (dev->n_erased_blocks != state_count[YAFFS_BLOCK_STATE_EMPTY])
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Erased block count wrong dev %d count %d",
+ dev->n_erased_blocks,
+ state_count[YAFFS_BLOCK_STATE_EMPTY]);
+
+ if (state_count[YAFFS_BLOCK_STATE_COLLECTING] > 1)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Too many collecting blocks %d (max is 1)",
+ state_count[YAFFS_BLOCK_STATE_COLLECTING]);
+}
+
+/*
+ * Verify the object header. oh must be valid, but obj and tags may be NULL in
+ * which case those tests will not be performed.
+ */
+void yaffs_verify_oh(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh,
+ struct yaffs_ext_tags *tags, int parent_check)
+{
+ if (obj && yaffs_skip_verification(obj->my_dev))
+ return;
+
+ if (!(tags && obj && oh)) {
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Verifying object header tags %p obj %p oh %p",
+ tags, obj, oh);
+ return;
+ }
+
+ if (oh->type <= YAFFS_OBJECT_TYPE_UNKNOWN ||
+ oh->type > YAFFS_OBJECT_TYPE_MAX)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header type is illegal value 0x%x",
+ tags->obj_id, oh->type);
+
+ if (tags->obj_id != obj->obj_id)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header mismatch obj_id %d",
+ tags->obj_id, obj->obj_id);
+
+ /*
+ * Check that the object's parent ids match if parent_check requested.
+ *
+ * Tests do not apply to the root object.
+ */
+
+ if (parent_check && tags->obj_id > 1 && !obj->parent)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header mismatch parent_id %d obj->parent is NULL",
+ tags->obj_id, oh->parent_obj_id);
+
+ if (parent_check && obj->parent &&
+ oh->parent_obj_id != obj->parent->obj_id &&
+ (oh->parent_obj_id != YAFFS_OBJECTID_UNLINKED ||
+ obj->parent->obj_id != YAFFS_OBJECTID_DELETED))
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header mismatch parent_id %d parent_obj_id %d",
+ tags->obj_id, oh->parent_obj_id,
+ obj->parent->obj_id);
+
+ if (tags->obj_id > 1 && oh->name[0] == 0) /* Null name */
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header name is NULL",
+ obj->obj_id);
+
+ if (tags->obj_id > 1 && ((u8) (oh->name[0])) == 0xff) /* Junk name */
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d header name is 0xff",
+ obj->obj_id);
+}
+
+void yaffs_verify_file(struct yaffs_obj *obj)
+{
+ int required_depth;
+ int actual_depth;
+ u32 last_chunk;
+ u32 the_chunk;
+ u32 x;
+ u32 i;
+ struct yaffs_dev *dev;
+ struct yaffs_ext_tags tags;
+ struct yaffs_tnode *tn;
+ u32 obj_id;
+
+ if (!obj)
+ return;
+
+ if (yaffs_skip_verification(obj->my_dev))
+ return;
+
+ dev = obj->my_dev;
+ obj_id = obj->obj_id;
+
+ /* Check file size is consistent with tnode depth */
+ last_chunk =
+ obj->variant.file_variant.file_size / dev->data_bytes_per_chunk + 1;
+ x = last_chunk >> YAFFS_TNODES_LEVEL0_BITS;
+ required_depth = 0;
+ while (x > 0) {
+ x >>= YAFFS_TNODES_INTERNAL_BITS;
+ required_depth++;
+ }
+
+ actual_depth = obj->variant.file_variant.top_level;
+
+ /* Check that the chunks in the tnode tree are all correct.
+ * We do this by scanning through the tnode tree and
+ * checking the tags for every chunk match.
+ */
+
+ if (yaffs_skip_nand_verification(dev))
+ return;
+
+ for (i = 1; i <= last_chunk; i++) {
+ tn = yaffs_find_tnode_0(dev, &obj->variant.file_variant, i);
+
+ if (!tn)
+ continue;
+
+ the_chunk = yaffs_get_group_base(dev, tn, i);
+ if (the_chunk > 0) {
+ yaffs_rd_chunk_tags_nand(dev, the_chunk, NULL,
+ &tags);
+ if (tags.obj_id != obj_id || tags.chunk_id != i)
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Object %d chunk_id %d NAND mismatch chunk %d tags (%d:%d)",
+ obj_id, i, the_chunk,
+ tags.obj_id, tags.chunk_id);
+ }
+ }
+}
+
+void yaffs_verify_link(struct yaffs_obj *obj)
+{
+ if (obj && yaffs_skip_verification(obj->my_dev))
+ return;
+
+ /* Verify sane equivalent object */
+}
+
+void yaffs_verify_symlink(struct yaffs_obj *obj)
+{
+ if (obj && yaffs_skip_verification(obj->my_dev))
+ return;
+
+ /* Verify symlink string */
+}
+
+void yaffs_verify_special(struct yaffs_obj *obj)
+{
+ if (obj && yaffs_skip_verification(obj->my_dev))
+ return;
+}
+
+void yaffs_verify_obj(struct yaffs_obj *obj)
+{
+ struct yaffs_dev *dev;
+ u32 chunk_min;
+ u32 chunk_max;
+ u32 chunk_id_ok;
+ u32 chunk_in_range;
+ u32 chunk_wrongly_deleted;
+ u32 chunk_valid;
+
+ if (!obj)
+ return;
+
+ if (obj->being_created)
+ return;
+
+ dev = obj->my_dev;
+
+ if (yaffs_skip_verification(dev))
+ return;
+
+ /* Check sane object header chunk */
+
+ chunk_min = dev->internal_start_block * dev->param.chunks_per_block;
+ chunk_max =
+ (dev->internal_end_block + 1) * dev->param.chunks_per_block - 1;
+
+ chunk_in_range = (((unsigned)(obj->hdr_chunk)) >= chunk_min &&
+ ((unsigned)(obj->hdr_chunk)) <= chunk_max);
+ chunk_id_ok = chunk_in_range || (obj->hdr_chunk == 0);
+ chunk_valid = chunk_in_range &&
+ yaffs_check_chunk_bit(dev,
+ obj->hdr_chunk / dev->param.chunks_per_block,
+ obj->hdr_chunk % dev->param.chunks_per_block);
+ chunk_wrongly_deleted = chunk_in_range && !chunk_valid;
+
+ if (!obj->fake && (!chunk_id_ok || chunk_wrongly_deleted))
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d has chunk_id %d %s %s",
+ obj->obj_id, obj->hdr_chunk,
+ chunk_id_ok ? "" : ",out of range",
+ chunk_wrongly_deleted ? ",marked as deleted" : "");
+
+ if (chunk_valid && !yaffs_skip_nand_verification(dev)) {
+ struct yaffs_ext_tags tags;
+ struct yaffs_obj_hdr *oh;
+ u8 *buffer = yaffs_get_temp_buffer(dev, __LINE__);
+
+ oh = (struct yaffs_obj_hdr *)buffer;
+
+ yaffs_rd_chunk_tags_nand(dev, obj->hdr_chunk, buffer, &tags);
+
+ yaffs_verify_oh(obj, oh, &tags, 1);
+
+ yaffs_release_temp_buffer(dev, buffer, __LINE__);
+ }
+
+ /* Verify it has a parent */
+ if (obj && !obj->fake && (!obj->parent || obj->parent->my_dev != dev)) {
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d has parent pointer %p which does not look like an object",
+ obj->obj_id, obj->parent);
+ }
+
+ /* Verify parent is a directory */
+ if (obj->parent &&
+ obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d's parent is not a directory (type %d)",
+ obj->obj_id, obj->parent->variant_type);
+ }
+
+ switch (obj->variant_type) {
+ case YAFFS_OBJECT_TYPE_FILE:
+ yaffs_verify_file(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_SYMLINK:
+ yaffs_verify_symlink(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_DIRECTORY:
+ yaffs_verify_dir(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_HARDLINK:
+ yaffs_verify_link(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_SPECIAL:
+ yaffs_verify_special(obj);
+ break;
+ case YAFFS_OBJECT_TYPE_UNKNOWN:
+ default:
+ yaffs_trace(YAFFS_TRACE_VERIFY,
+ "Obj %d has illegaltype %d",
+ obj->obj_id, obj->variant_type);
+ break;
+ }
+}
+
+void yaffs_verify_objects(struct yaffs_dev *dev)
+{
+ struct yaffs_obj *obj;
+ int i;
+ struct list_head *lh;
+
+ if (yaffs_skip_verification(dev))
+ return;
+
+ /* Iterate through the objects in each hash entry */
+
+ for (i = 0; i < YAFFS_NOBJECT_BUCKETS; i++) {
+ list_for_each(lh, &dev->obj_bucket[i].list) {
+ obj = list_entry(lh, struct yaffs_obj, hash_link);
+ yaffs_verify_obj(obj);
+ }
+ }
+}
+
+void yaffs_verify_obj_in_dir(struct yaffs_obj *obj)
+{
+ struct list_head *lh;
+ struct yaffs_obj *list_obj;
+ int count = 0;
+
+ if (!obj) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "No object to verify");
+ BUG();
+ return;
+ }
+
+ if (yaffs_skip_verification(obj->my_dev))
+ return;
+
+ if (!obj->parent) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "Object does not have parent");
+ BUG();
+ return;
+ }
+
+ if (obj->parent->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS, "Parent is not directory");
+ BUG();
+ }
+
+ /* Iterate through the objects in each hash entry */
+
+ list_for_each(lh, &obj->parent->variant.dir_variant.children) {
+ list_obj = list_entry(lh, struct yaffs_obj, siblings);
+ yaffs_verify_obj(list_obj);
+ if (obj == list_obj)
+ count++;
+ }
+
+ if (count != 1) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Object in directory %d times",
+ count);
+ BUG();
+ }
+}
+
+void yaffs_verify_dir(struct yaffs_obj *directory)
+{
+ struct list_head *lh;
+ struct yaffs_obj *list_obj;
+
+ if (!directory) {
+ BUG();
+ return;
+ }
+
+ if (yaffs_skip_full_verification(directory->my_dev))
+ return;
+
+ if (directory->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Directory has wrong type: %d",
+ directory->variant_type);
+ BUG();
+ }
+
+ /* Iterate through the objects in each hash entry */
+
+ list_for_each(lh, &directory->variant.dir_variant.children) {
+ list_obj = list_entry(lh, struct yaffs_obj, siblings);
+ if (list_obj->parent != directory) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Object in directory list has wrong parent %p",
+ list_obj->parent);
+ BUG();
+ }
+ yaffs_verify_obj_in_dir(list_obj);
+ }
+}
+
+static int yaffs_free_verification_failures;
+
+void yaffs_verify_free_chunks(struct yaffs_dev *dev)
+{
+ int counted;
+ int difference;
+
+ if (yaffs_skip_verification(dev))
+ return;
+
+ counted = yaffs_count_free_chunks(dev);
+
+ difference = dev->n_free_chunks - counted;
+
+ if (difference) {
+ yaffs_trace(YAFFS_TRACE_ALWAYS,
+ "Freechunks verification failure %d %d %d",
+ dev->n_free_chunks, counted, difference);
+ yaffs_free_verification_failures++;
+ }
+}
+
+int yaffs_verify_file_sane(struct yaffs_obj *in)
+{
+ in = in;
+ return YAFFS_OK;
+}
diff --git a/fs/yaffs2/yaffs_verify.h b/fs/yaffs2/yaffs_verify.h
new file mode 100644
index 0000000..4f4af8d
--- /dev/null
+++ b/fs/yaffs2/yaffs_verify.h
@@ -0,0 +1,43 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2011 Aleph One Ltd.
+ * for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __YAFFS_VERIFY_H__
+#define __YAFFS_VERIFY_H__
+
+#include "yaffs_guts.h"
+
+void yaffs_verify_blk(struct yaffs_dev *dev, struct yaffs_block_info *bi,
+ int n);
+void yaffs_verify_collected_blk(struct yaffs_dev *dev,
+ struct yaffs_block_info *bi, int n);
+void yaffs_verify_blocks(struct yaffs_dev *dev);
+
+void yaffs_verify_oh(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh,
+ struct yaffs_ext_tags *tags, int parent_check);
+void yaffs_verify_file(struct yaffs_obj *obj);
+void yaffs_verify_link(struct yaffs_obj *obj);
+void yaffs_verify_symlink(struct yaffs_obj *obj);
+void yaffs_verify_special(struct yaffs_obj *obj);
+void yaffs_verify_obj(struct yaffs_obj *obj);
+void yaffs_verify_objects(struct yaffs_dev *dev);
+void yaffs_verify_obj_in_dir(struct yaffs_obj *obj);
+void yaffs_verify_dir(struct yaffs_obj *directory);
+void yaffs_verify_free_chunks(struct yaffs_dev *dev);
+
+int yaffs_verify_file_sane(struct yaffs_obj *obj);
+
+int yaffs_skip_verification(struct yaffs_dev *dev);
+
+#endif
--
1.7.1
--
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