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[JFFS2] Debug code clean up - step 3

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Various simplifiactions. printk format corrections.
Convert more code to use the new debug functions.

Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Artem B. Bityutskiy
2005-07-24 16:14:17 +01:00
committed by Thomas Gleixner
parent 6dac02a5e1
commit e0c8e42f8f
14 changed files with 635 additions and 244 deletions
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530
fs/jffs2/debug.c
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@ -7,18 +7,30 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
* $Id: debug.c,v 1.1 2005/07/17 06:56:20 dedekind Exp $
* $Id: debug.c,v 1.7 2005/07/24 15:14:14 dedekind Exp $
*
*/
#include <linux/kernel.h>
#include <linux/pagemap.h>
#include <linux/crc32.h>
#include <linux/jffs2.h>
#include "nodelist.h"
#include "debug.h"
#ifdef JFFS2_DBG_PARANOIA_CHECKS
/*
* Check the fragtree.
*/
void
jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
__jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
{
down(&f->sem);
__jffs2_dbg_fragtree_paranoia_check_nolock(f);
up(&f->sem);
}
void
__jffs2_dbg_fragtree_paranoia_check_nolock(struct jffs2_inode_info *f)
{
struct jffs2_node_frag *frag;
int bitched = 0;
@ -31,7 +43,7 @@ jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
if (ref_flags(fn->raw) == REF_PRISTINE) {
if (fn->frags > 1) {
printk(KERN_ERR "REF_PRISTINE node at 0x%08x had %d frags. Tell dwmw2\n",
JFFS2_ERROR("REF_PRISTINE node at 0x%08x had %d frags. Tell dwmw2.\n",
ref_offset(fn->raw), fn->frags);
bitched = 1;
}
@ -43,15 +55,15 @@ jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
to tell a hole node. */
if (frag->ofs & (PAGE_CACHE_SIZE-1) && frag_prev(frag)
&& frag_prev(frag)->size < PAGE_CACHE_SIZE && frag_prev(frag)->node) {
printk(KERN_ERR "REF_PRISTINE node at 0x%08x had a previous non-hole frag "
"in the same page. Tell dwmw2\n", ref_offset(fn->raw));
JFFS2_ERROR("REF_PRISTINE node at 0x%08x had a previous non-hole frag "
"in the same page. Tell dwmw2.\n", ref_offset(fn->raw));
bitched = 1;
}
if ((frag->ofs+frag->size) & (PAGE_CACHE_SIZE-1) && frag_next(frag)
&& frag_next(frag)->size < PAGE_CACHE_SIZE && frag_next(frag)->node) {
printk(KERN_ERR "REF_PRISTINE node at 0x%08x (%08x-%08x) had a following "
"non-hole frag in the same page. Tell dwmw2\n",
JFFS2_ERROR("REF_PRISTINE node at 0x%08x (%08x-%08x) had a following "
"non-hole frag in the same page. Tell dwmw2.\n",
ref_offset(fn->raw), frag->ofs, frag->ofs+frag->size);
bitched = 1;
}
@ -59,8 +71,8 @@ jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
}
if (bitched) {
printk(KERN_ERR "Fragtree is corrupted. Fragtree dump:\n");
jffs2_dbg_dump_fragtree(f);
JFFS2_ERROR("fragtree is corrupted.\n");
__jffs2_dbg_dump_fragtree_nolock(f);
BUG();
}
}
@ -69,7 +81,8 @@ jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
* Check if the flash contains all 0xFF before we start writing.
*/
void
jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, uint32_t ofs, int len)
__jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
uint32_t ofs, int len)
{
size_t retlen;
int ret, i;
@ -81,8 +94,8 @@ jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, uint32_t ofs, int len
ret = jffs2_flash_read(c, ofs, len, &retlen, buf);
if (ret || (retlen != len)) {
printk(KERN_WARNING "read %d bytes failed or short in %s(). ret %d, retlen %zd\n",
len, __FUNCTION__, ret, retlen);
JFFS2_WARNING("read %d bytes failed or short. ret %d, retlen %zd.\n",
len, ret, retlen);
kfree(buf);
return;
}
@ -93,9 +106,9 @@ jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, uint32_t ofs, int len
ret = 1;
if (ret) {
printk(KERN_ERR "ARGH. About to write node to %#08x on flash, but there are data "
"already there. The first corrupted byte is at %#08x.\n", ofs, ofs + i);
jffs2_dbg_dump_buffer(buf, len, ofs);
JFFS2_ERROR("argh, about to write node to %#08x on flash, but there are data "
"already there. The first corrupted byte is at %#08x offset.\n", ofs, ofs + i);
__jffs2_dbg_dump_buffer(buf, len, ofs);
kfree(buf);
BUG();
}
@ -107,7 +120,17 @@ jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c, uint32_t ofs, int len
* Check the space accounting and node_ref list correctness for the JFFS2 erasable block 'jeb'.
*/
void
jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
__jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
struct jffs2_eraseblock *jeb)
{
spin_lock(&c->erase_completion_lock);
__jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
spin_unlock(&c->erase_completion_lock);
}
void
__jffs2_dbg_acct_paranoia_check_nolock(struct jffs2_sb_info *c,
struct jffs2_eraseblock *jeb)
{
uint32_t my_used_size = 0;
uint32_t my_unchecked_size = 0;
@ -119,11 +142,9 @@ jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c, struct jffs2_eraseblock *
if (ref2->flash_offset < jeb->offset ||
ref2->flash_offset > jeb->offset + c->sector_size) {
printk(KERN_ERR "node_ref %#08x shouldn't be in block at %#08x!\n",
JFFS2_ERROR("node_ref %#08x shouldn't be in block at %#08x.\n",
ref_offset(ref2), jeb->offset);
jffs2_dbg_dump_node_refs(c, jeb);
jffs2_dbg_dump_block_lists(c);
BUG();
goto error;
}
if (ref_flags(ref2) == REF_UNCHECKED)
@ -134,69 +155,82 @@ jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c, struct jffs2_eraseblock *
my_dirty_size += totlen;
if ((!ref2->next_phys) != (ref2 == jeb->last_node)) {
printk(KERN_ERR "node_ref for node at %#08x (mem %p) has next_phys at %#08x (mem %p), "
"last_node is at %#08x (mem %p)\n",
ref_offset(ref2), ref2, ref_offset(ref2->next_phys), ref2->next_phys,
ref_offset(jeb->last_node), jeb->last_node);
jffs2_dbg_dump_node_refs(c, jeb);
jffs2_dbg_dump_block_lists(c);
BUG();
JFFS2_ERROR("node_ref for node at %#08x (mem %p) has next_phys at %#08x (mem %p), "
"last_node is at %#08x (mem %p).\n",
ref_offset(ref2), ref2, ref_offset(ref2->next_phys), ref2->next_phys,
ref_offset(jeb->last_node), jeb->last_node);
goto error;
}
ref2 = ref2->next_phys;
}
if (my_used_size != jeb->used_size) {
printk(KERN_ERR "Calculated used size %#08x != stored used size %#08x\n",
my_used_size, jeb->used_size);
jffs2_dbg_dump_node_refs(c, jeb);
jffs2_dbg_dump_block_lists(c);
BUG();
JFFS2_ERROR("Calculated used size %#08x != stored used size %#08x.\n",
my_used_size, jeb->used_size);
goto error;
}
if (my_unchecked_size != jeb->unchecked_size) {
printk(KERN_ERR "Calculated unchecked size %#08x != stored unchecked size %#08x\n",
my_unchecked_size, jeb->unchecked_size);
jffs2_dbg_dump_node_refs(c, jeb);
jffs2_dbg_dump_block_lists(c);
BUG();
JFFS2_ERROR("Calculated unchecked size %#08x != stored unchecked size %#08x.\n",
my_unchecked_size, jeb->unchecked_size);
goto error;
}
#if 0
/* This should work when we implement ref->__totlen elemination */
if (my_dirty_size != jeb->dirty_size + jeb->wasted_size) {
printk(KERN_ERR "Calculated dirty+wasted size %#08x != stored dirty + wasted size %#08x\n",
JFFS2_ERROR("Calculated dirty+wasted size %#08x != stored dirty + wasted size %#08x\n",
my_dirty_size, jeb->dirty_size + jeb->wasted_size);
jffs2_dbg_dump_node_refs(c, jeb);
jffs2_dbg_dump_block_lists(c);
BUG();
goto error;
}
if (jeb->free_size == 0
&& my_used_size + my_unchecked_size + my_dirty_size != c->sector_size) {
printk(KERN_ERR "The sum of all nodes in block (%#x) != size of block (%#x)\n",
JFFS2_ERROR("The sum of all nodes in block (%#x) != size of block (%#x)\n",
my_used_size + my_unchecked_size + my_dirty_size,
c->sector_size);
jffs2_dbg_dump_node_refs(c, jeb);
jffs2_dbg_dump_block_lists(c);
BUG();
goto error;
}
}
#endif /* JFFS2_PARANOIA_CHECKS */
#endif
#if defined(JFFS2_PARANOIA_CHECKS) || (CONFIG_JFFS2_FS_DEBUG > 0)
return;
error:
__jffs2_dbg_dump_node_refs_nolock(c, jeb);
__jffs2_dbg_dump_jeb_nolock(jeb);
__jffs2_dbg_dump_block_lists_nolock(c);
BUG();
}
#endif /* JFFS2_DBG_PARANOIA_CHECKS */
#if defined(JFFS2_DBG_DUMPS) || defined(JFFS2_DBG_PARANOIA_CHECKS)
/*
* Dump the node_refs of the 'jeb' JFFS2 eraseblock.
*/
void
jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
__jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c,
struct jffs2_eraseblock *jeb)
{
spin_lock(&c->erase_completion_lock);
__jffs2_dbg_dump_node_refs_nolock(c, jeb);
spin_unlock(&c->erase_completion_lock);
}
void
__jffs2_dbg_dump_node_refs_nolock(struct jffs2_sb_info *c,
struct jffs2_eraseblock *jeb)
{
struct jffs2_raw_node_ref *ref;
int i = 0;
JFFS2_DEBUG("Dump node_refs of the eraseblock %#08x\n", jeb->offset);
if (!jeb->first_node) {
printk(KERN_DEBUG "no nodes in block %#08x\n", jeb->offset);
JFFS2_DEBUG("no nodes in the eraseblock %#08x\n", jeb->offset);
return;
}
printk(KERN_DEBUG);
printk(JFFS2_DBG_LVL);
for (ref = jeb->first_node; ; ref = ref->next_phys) {
printk("%#08x(%#x)", ref_offset(ref), ref->__totlen);
if (ref->next_phys)
@ -205,46 +239,83 @@ jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
break;
if (++i == 4) {
i = 0;
printk("\n" KERN_DEBUG);
printk("\n" JFFS2_DBG_LVL);
}
}
printk("\n");
}
/*
* Dump an eraseblock's space accounting.
*/
void
jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
__jffs2_dbg_dump_jeb(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
{
printk(KERN_DEBUG "flash_size: %#08x\n", c->flash_size);
printk(KERN_DEBUG "used_size: %#08x\n", c->used_size);
printk(KERN_DEBUG "dirty_size: %#08x\n", c->dirty_size);
printk(KERN_DEBUG "wasted_size: %#08x\n", c->wasted_size);
printk(KERN_DEBUG "unchecked_size: %#08x\n", c->unchecked_size);
printk(KERN_DEBUG "free_size: %#08x\n", c->free_size);
printk(KERN_DEBUG "erasing_size: %#08x\n", c->erasing_size);
printk(KERN_DEBUG "bad_size: %#08x\n", c->bad_size);
printk(KERN_DEBUG "sector_size: %#08x\n", c->sector_size);
printk(KERN_DEBUG "jffs2_reserved_blocks size: %#08x\n",
spin_lock(&c->erase_completion_lock);
__jffs2_dbg_dump_jeb_nolock(jeb);
spin_unlock(&c->erase_completion_lock);
}
void
__jffs2_dbg_dump_jeb_nolock(struct jffs2_eraseblock *jeb)
{
if (!jeb)
return;
JFFS2_DEBUG("dump space accounting for the eraseblock at %#08x:\n",
jeb->offset);
printk(JFFS2_DBG_LVL "used_size: %#08x\n", jeb->used_size);
printk(JFFS2_DBG_LVL "dirty_size: %#08x\n", jeb->dirty_size);
printk(JFFS2_DBG_LVL "wasted_size: %#08x\n", jeb->wasted_size);
printk(JFFS2_DBG_LVL "unchecked_size: %#08x\n", jeb->unchecked_size);
printk(JFFS2_DBG_LVL "free_size: %#08x\n", jeb->free_size);
}
void
__jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
{
spin_lock(&c->erase_completion_lock);
__jffs2_dbg_dump_block_lists_nolock(c);
spin_unlock(&c->erase_completion_lock);
}
void
__jffs2_dbg_dump_block_lists_nolock(struct jffs2_sb_info *c)
{
JFFS2_DEBUG("dump JFFS2 blocks lists:\n");
printk(JFFS2_DBG_LVL "flash_size: %#08x\n", c->flash_size);
printk(JFFS2_DBG_LVL "used_size: %#08x\n", c->used_size);
printk(JFFS2_DBG_LVL "dirty_size: %#08x\n", c->dirty_size);
printk(JFFS2_DBG_LVL "wasted_size: %#08x\n", c->wasted_size);
printk(JFFS2_DBG_LVL "unchecked_size: %#08x\n", c->unchecked_size);
printk(JFFS2_DBG_LVL "free_size: %#08x\n", c->free_size);
printk(JFFS2_DBG_LVL "erasing_size: %#08x\n", c->erasing_size);
printk(JFFS2_DBG_LVL "bad_size: %#08x\n", c->bad_size);
printk(JFFS2_DBG_LVL "sector_size: %#08x\n", c->sector_size);
printk(JFFS2_DBG_LVL "jffs2_reserved_blocks size: %#08x\n",
c->sector_size * c->resv_blocks_write);
if (c->nextblock)
printk(KERN_DEBUG "nextblock: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
c->nextblock->offset, c->nextblock->used_size,
c->nextblock->dirty_size, c->nextblock->wasted_size,
c->nextblock->unchecked_size, c->nextblock->free_size);
printk(JFFS2_DBG_LVL "nextblock: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
c->nextblock->offset, c->nextblock->used_size,
c->nextblock->dirty_size, c->nextblock->wasted_size,
c->nextblock->unchecked_size, c->nextblock->free_size);
else
printk(KERN_DEBUG "nextblock: NULL\n");
printk(JFFS2_DBG_LVL "nextblock: NULL\n");
if (c->gcblock)
printk(KERN_DEBUG "gcblock: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
c->gcblock->offset, c->gcblock->used_size, c->gcblock->dirty_size,
c->gcblock->wasted_size, c->gcblock->unchecked_size, c->gcblock->free_size);
printk(JFFS2_DBG_LVL "gcblock: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
c->gcblock->offset, c->gcblock->used_size, c->gcblock->dirty_size,
c->gcblock->wasted_size, c->gcblock->unchecked_size, c->gcblock->free_size);
else
printk(KERN_DEBUG "gcblock: NULL\n");
printk(JFFS2_DBG_LVL "gcblock: NULL\n");
if (list_empty(&c->clean_list)) {
printk(KERN_DEBUG "clean_list: empty\n");
printk(JFFS2_DBG_LVL "clean_list: empty\n");
} else {
struct list_head *this;
int numblocks = 0;
@ -255,19 +326,19 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
numblocks ++;
dirty += jeb->wasted_size;
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "clean_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "clean_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
printk (KERN_DEBUG "Contains %d blocks with total wasted size %u, average wasted size: %u\n",
numblocks, dirty, dirty / numblocks);
printk (JFFS2_DBG_LVL "Contains %d blocks with total wasted size %u, average wasted size: %u\n",
numblocks, dirty, dirty / numblocks);
}
if (list_empty(&c->very_dirty_list)) {
printk(KERN_DEBUG "very_dirty_list: empty\n");
printk(JFFS2_DBG_LVL "very_dirty_list: empty\n");
} else {
struct list_head *this;
int numblocks = 0;
@ -279,19 +350,19 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
numblocks ++;
dirty += jeb->dirty_size;
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "very_dirty_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "very_dirty_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
printk (KERN_DEBUG "Contains %d blocks with total dirty size %u, average dirty size: %u\n",
numblocks, dirty, dirty / numblocks);
printk (JFFS2_DBG_LVL "Contains %d blocks with total dirty size %u, average dirty size: %u\n",
numblocks, dirty, dirty / numblocks);
}
if (list_empty(&c->dirty_list)) {
printk(KERN_DEBUG "dirty_list: empty\n");
printk(JFFS2_DBG_LVL "dirty_list: empty\n");
} else {
struct list_head *this;
int numblocks = 0;
@ -303,19 +374,19 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
numblocks ++;
dirty += jeb->dirty_size;
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "dirty_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "dirty_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
printk (KERN_DEBUG "Contains %d blocks with total dirty size %u, average dirty size: %u\n",
printk (JFFS2_DBG_LVL "contains %d blocks with total dirty size %u, average dirty size: %u\n",
numblocks, dirty, dirty / numblocks);
}
if (list_empty(&c->erasable_list)) {
printk(KERN_DEBUG "erasable_list: empty\n");
printk(JFFS2_DBG_LVL "erasable_list: empty\n");
} else {
struct list_head *this;
@ -323,16 +394,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "erasable_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "erasable_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
}
if (list_empty(&c->erasing_list)) {
printk(KERN_DEBUG "erasing_list: empty\n");
printk(JFFS2_DBG_LVL "erasing_list: empty\n");
} else {
struct list_head *this;
@ -340,16 +411,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "erasing_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "erasing_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
}
if (list_empty(&c->erase_pending_list)) {
printk(KERN_DEBUG "erase_pending_list: empty\n");
printk(JFFS2_DBG_LVL "erase_pending_list: empty\n");
} else {
struct list_head *this;
@ -357,16 +428,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "erase_pending_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "erase_pending_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
}
if (list_empty(&c->erasable_pending_wbuf_list)) {
printk(KERN_DEBUG "erasable_pending_wbuf_list: empty\n");
printk(JFFS2_DBG_LVL "erasable_pending_wbuf_list: empty\n");
} else {
struct list_head *this;
@ -374,16 +445,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "erasable_pending_wbuf_list: %#08x (used %#08x, dirty %#08x, "
"wasted %#08x, unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "erasable_pending_wbuf_list: %#08x (used %#08x, dirty %#08x, "
"wasted %#08x, unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
}
if (list_empty(&c->free_list)) {
printk(KERN_DEBUG "free_list: empty\n");
printk(JFFS2_DBG_LVL "free_list: empty\n");
} else {
struct list_head *this;
@ -391,16 +462,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "free_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "free_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
}
if (list_empty(&c->bad_list)) {
printk(KERN_DEBUG "bad_list: empty\n");
printk(JFFS2_DBG_LVL "bad_list: empty\n");
} else {
struct list_head *this;
@ -408,16 +479,16 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "bad_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "bad_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
}
if (list_empty(&c->bad_used_list)) {
printk(KERN_DEBUG "bad_used_list: empty\n");
printk(JFFS2_DBG_LVL "bad_used_list: empty\n");
} else {
struct list_head *this;
@ -425,34 +496,42 @@ jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
if (!(jeb->used_size == 0 && jeb->dirty_size == 0 && jeb->wasted_size == 0)) {
printk(KERN_DEBUG "bad_used_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
printk(JFFS2_DBG_LVL "bad_used_list: %#08x (used %#08x, dirty %#08x, wasted %#08x, "
"unchecked %#08x, free %#08x)\n",
jeb->offset, jeb->used_size, jeb->dirty_size, jeb->wasted_size,
jeb->unchecked_size, jeb->free_size);
}
}
}
}
void
jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f)
__jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f)
{
down(&f->sem);
jffs2_dbg_dump_fragtree_nolock(f);
up(&f->sem);
}
void
__jffs2_dbg_dump_fragtree_nolock(struct jffs2_inode_info *f)
{
struct jffs2_node_frag *this = frag_first(&f->fragtree);
uint32_t lastofs = 0;
int buggy = 0;
printk(KERN_DEBUG "inode is ino #%u\n", f->inocache->ino);
JFFS2_DEBUG("dump fragtree of ino #%u\n", f->inocache->ino);
while(this) {
if (this->node)
printk(KERN_DEBUG "frag %#04x-%#04x: %#08x(%d) on flash (*%p), left (%p), "
"right (%p), parent (%p)\n",
this->ofs, this->ofs+this->size, ref_offset(this->node->raw),
ref_flags(this->node->raw), this, frag_left(this), frag_right(this),
frag_parent(this));
printk(JFFS2_DBG_LVL "frag %#04x-%#04x: %#08x(%d) on flash (*%p), left (%p), "
"right (%p), parent (%p)\n",
this->ofs, this->ofs+this->size, ref_offset(this->node->raw),
ref_flags(this->node->raw), this, frag_left(this), frag_right(this),
frag_parent(this));
else
printk(KERN_DEBUG "frag %#04x-%#04x: hole (*%p). left (%p), right (%p), parent (%p)\n",
this->ofs, this->ofs+this->size, this, frag_left(this),
frag_right(this), frag_parent(this));
printk(JFFS2_DBG_LVL "frag %#04x-%#04x: hole (*%p). left (%p), right (%p), parent (%p)\n",
this->ofs, this->ofs+this->size, this, frag_left(this),
frag_right(this), frag_parent(this));
if (this->ofs != lastofs)
buggy = 1;
lastofs = this->ofs + this->size;
@ -460,36 +539,171 @@ jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f)
}
if (f->metadata)
printk(KERN_DEBUG "metadata at 0x%08x\n", ref_offset(f->metadata->raw));
printk(JFFS2_DBG_LVL "metadata at 0x%08x\n", ref_offset(f->metadata->raw));
if (buggy) {
printk(KERN_ERR "Error! %s(): Frag tree got a hole in it\n", __FUNCTION__);
JFFS2_ERROR("frag tree got a hole in it.\n");
BUG();
}
}
#define JFFS3_BUFDUMP_BYTES_PER_LINE 8
#define JFFS2_BUFDUMP_BYTES_PER_LINE 32
void
jffs2_dbg_dump_buffer(char *buf, int len, uint32_t offs)
__jffs2_dbg_dump_buffer(unsigned char *buf, int len, uint32_t offs)
{
int i = 0;
int skip = offs & ~(JFFS3_BUFDUMP_BYTES_PER_LINE - 1);
int skip;
int i;
JFFS2_DEBUG("dump from offset %#08x to offset %#08x (%x bytes).\n",
offs, offs + len, len);
i = skip = offs % JFFS2_BUFDUMP_BYTES_PER_LINE;
offs = offs & ~(JFFS2_BUFDUMP_BYTES_PER_LINE - 1);
if (skip != 0)
printk(JFFS2_DBG_LVL "%#08x: ", offs);
while (skip--)
printk(" ");
while (i < len) {
int j = 0;
printk(KERN_DEBUG "0x#x: \n");
while (skip) {
printk(" ");
skip -= 1;
if ((i % JFFS2_BUFDUMP_BYTES_PER_LINE) == 0 && i != len -1) {
if (i != 0)
printk("\n");
offs += JFFS2_BUFDUMP_BYTES_PER_LINE;
printk(JFFS2_DBG_LVL "%0#8x: ", offs);
}
while (j < JFFS3_BUFDUMP_BYTES_PER_LINE) {
if (i + j < len)
printk(" %#02x", buf[i + j++]);
}
printk("%02x ", buf[i]);
i += 1;
}
i += JFFS3_BUFDUMP_BYTES_PER_LINE;
printk("\n");
}
/*
* Dump a JFFS2 node.
*/
void
__jffs2_dbg_dump_node(struct jffs2_sb_info *c, uint32_t ofs)
{
union jffs2_node_union node;
int len = sizeof(union jffs2_node_union);
size_t retlen;
uint32_t crc;
int ret;
JFFS2_DEBUG("dump node at offset %#08x.\n", ofs);
ret = jffs2_flash_read(c, ofs, len, &retlen, (unsigned char *)&node);
if (ret || (retlen != len)) {
JFFS2_ERROR("read %d bytes failed or short. ret %d, retlen %zd.\n",
len, ret, retlen);
return;
}
printk(JFFS2_DBG_LVL "magic:\t%#04x\n",
je16_to_cpu(node.u.magic));
printk(JFFS2_DBG_LVL "nodetype:\t%#04x\n",
je16_to_cpu(node.u.nodetype));
printk(JFFS2_DBG_LVL "totlen:\t%#08x\n",
je32_to_cpu(node.u.totlen));
printk(JFFS2_DBG_LVL "hdr_crc:\t%#08x\n",
je32_to_cpu(node.u.hdr_crc));
crc = crc32(0, &node.u, sizeof(node.u) - 4);
if (crc != je32_to_cpu(node.u.hdr_crc)) {
JFFS2_ERROR("wrong common header CRC.\n");
return;
}
if (je16_to_cpu(node.u.magic) != JFFS2_MAGIC_BITMASK &&
je16_to_cpu(node.u.magic) != JFFS2_OLD_MAGIC_BITMASK)
{
JFFS2_ERROR("wrong node magic: %#04x instead of %#04x.\n",
je16_to_cpu(node.u.magic), JFFS2_MAGIC_BITMASK);
return;
}
switch(je16_to_cpu(node.u.nodetype)) {
case JFFS2_NODETYPE_INODE:
printk(JFFS2_DBG_LVL "the node is inode node\n");
printk(JFFS2_DBG_LVL "ino:\t%#08x\n",
je32_to_cpu(node.i.ino));
printk(JFFS2_DBG_LVL "version:\t%#08x\n",
je32_to_cpu(node.i.version));
printk(JFFS2_DBG_LVL "mode:\t%#08x\n",
node.i.mode.m);
printk(JFFS2_DBG_LVL "uid:\t%#04x\n",
je16_to_cpu(node.i.uid));
printk(JFFS2_DBG_LVL "gid:\t%#04x\n",
je16_to_cpu(node.i.gid));
printk(JFFS2_DBG_LVL "isize:\t%#08x\n",
je32_to_cpu(node.i.isize));
printk(JFFS2_DBG_LVL "atime:\t%#08x\n",
je32_to_cpu(node.i.atime));
printk(JFFS2_DBG_LVL "mtime:\t%#08x\n",
je32_to_cpu(node.i.mtime));
printk(JFFS2_DBG_LVL "ctime:\t%#08x\n",
je32_to_cpu(node.i.ctime));
printk(JFFS2_DBG_LVL "offset:\t%#08x\n",
je32_to_cpu(node.i.offset));
printk(JFFS2_DBG_LVL "csize:\t%#08x\n",
je32_to_cpu(node.i.csize));
printk(JFFS2_DBG_LVL "dsize:\t%#08x\n",
je32_to_cpu(node.i.dsize));
printk(JFFS2_DBG_LVL "compr:\t%#02x\n",
node.i.compr);
printk(JFFS2_DBG_LVL "usercompr:\t%#02x\n",
node.i.usercompr);
printk(JFFS2_DBG_LVL "flags:\t%#04x\n",
je16_to_cpu(node.i.flags));
printk(JFFS2_DBG_LVL "data_crc:\t%#08x\n",
je32_to_cpu(node.i.data_crc));
printk(JFFS2_DBG_LVL "node_crc:\t%#08x\n",
je32_to_cpu(node.i.node_crc));
crc = crc32(0, &node.i, sizeof(node.i) - 8);
if (crc != je32_to_cpu(node.i.node_crc)) {
JFFS2_ERROR("wrong node header CRC.\n");
return;
}
break;
case JFFS2_NODETYPE_DIRENT:
printk(JFFS2_DBG_LVL "the node is dirent node\n");
printk(JFFS2_DBG_LVL "pino:\t%#08x\n",
je32_to_cpu(node.d.pino));
printk(JFFS2_DBG_LVL "version:\t%#08x\n",
je32_to_cpu(node.d.version));
printk(JFFS2_DBG_LVL "ino:\t%#08x\n",
je32_to_cpu(node.d.ino));
printk(JFFS2_DBG_LVL "mctime:\t%#08x\n",
je32_to_cpu(node.d.mctime));
printk(JFFS2_DBG_LVL "nsize:\t%#02x\n",
node.d.nsize);
printk(JFFS2_DBG_LVL "type:\t%#02x\n",
node.d.type);
printk(JFFS2_DBG_LVL "node_crc:\t%#08x\n",
je32_to_cpu(node.d.node_crc));
printk(JFFS2_DBG_LVL "name_crc:\t%#08x\n",
je32_to_cpu(node.d.name_crc));
node.d.name[node.d.nsize] = '\0';
printk(JFFS2_DBG_LVL "name:\t\"%s\"\n", node.d.name);
crc = crc32(0, &node.d, sizeof(node.d) - 8);
if (crc != je32_to_cpu(node.d.node_crc)) {
JFFS2_ERROR("wrong node header CRC.\n");
return;
}
break;
default:
printk(JFFS2_DBG_LVL "node type is unknown\n");
break;
}
}
#endif /* JFFS2_PARANOIA_CHECKS || CONFIG_JFFS2_FS_DEBUG > 0 */
#endif /* JFFS2_DBG_DUMPS || JFFS2_DBG_PARANOIA_CHECKS */