#
# Makefile for the Linux Journalling Flash File System v2 (JFFS2)
#
-# $Id: Makefile.common,v 1.9 2005/02/09 09:23:53 pavlov Exp $
+# $Id: Makefile.common,v 1.10 2005/07/17 06:56:20 dedekind Exp $
#
obj-$(CONFIG_JFFS2_FS) += jffs2.o
jffs2-y := compr.o dir.o file.o ioctl.o nodelist.o malloc.o
jffs2-y += read.o nodemgmt.o readinode.o write.o scan.o gc.o
jffs2-y += symlink.o build.o erase.o background.o fs.o writev.o
-jffs2-y += super.o
+jffs2-y += super.o debug.o
jffs2-$(CONFIG_JFFS2_FS_WRITEBUFFER) += wbuf.o
jffs2-$(CONFIG_JFFS2_RUBIN) += compr_rubin.o
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: build.c,v 1.71 2005/07/12 16:37:08 dedekind Exp $
+ * $Id: build.c,v 1.72 2005/07/17 06:56:20 dedekind Exp $
*
*/
goto exit;
D1(printk(KERN_DEBUG "Scanned flash completely\n"));
- D2(jffs2_dump_block_lists(c));
+ D2(jffs2_dbg_dump_block_lists(c));
c->flags |= JFFS2_SB_FLAG_BUILDING;
/* Now scan the directory tree, increasing nlink according to every dirent found. */
c->flags &= ~JFFS2_SB_FLAG_BUILDING;
D1(printk(KERN_DEBUG "Pass 3 complete\n"));
- D2(jffs2_dump_block_lists(c));
+ D2(jffs2_dbg_dump_block_lists(c));
/* Rotate the lists by some number to ensure wear levelling */
jffs2_rotate_lists(c);
--- /dev/null
+/*
+ * JFFS2 -- Journalling Flash File System, Version 2.
+ *
+ * Copyright (C) 2001-2003 Red Hat, Inc.
+ *
+ * Created by David Woodhouse <dwmw2@infradead.org>
+ *
+ * For licensing information, see the file 'LICENCE' in this directory.
+ *
+ * $Id: debug.c,v 1.1 2005/07/17 06:56:20 dedekind Exp $
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/pagemap.h>
+#include "nodelist.h"
+#include "debug.h"
+
+#ifdef JFFS2_DBG_PARANOIA_CHECKS
+
+void
+jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f)
+{
+ struct jffs2_node_frag *frag;
+ int bitched = 0;
+
+ for (frag = frag_first(&f->fragtree); frag; frag = frag_next(frag)) {
+ struct jffs2_full_dnode *fn = frag->node;
+
+ if (!fn || !fn->raw)
+ continue;
+
+ 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",
+ ref_offset(fn->raw), fn->frags);
+ bitched = 1;
+ }
+
+ /* A hole node which isn't multi-page should be garbage-collected
+ and merged anyway, so we just check for the frag size here,
+ rather than mucking around with actually reading the node
+ and checking the compression type, which is the real way
+ 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));
+ 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",
+ ref_offset(fn->raw), frag->ofs, frag->ofs+frag->size);
+ bitched = 1;
+ }
+ }
+ }
+
+ if (bitched) {
+ printk(KERN_ERR "Fragtree is corrupted. Fragtree dump:\n");
+ jffs2_dbg_dump_fragtree(f);
+ BUG();
+ }
+}
+
+/*
+ * 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)
+{
+ size_t retlen;
+ int ret, i;
+ unsigned char *buf;
+
+ buf = kmalloc(len, GFP_KERNEL);
+ if (!buf)
+ return;
+
+ 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);
+ kfree(buf);
+ return;
+ }
+
+ ret = 0;
+ for (i = 0; i < len; i++)
+ if (buf[i] != 0xff)
+ 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);
+ kfree(buf);
+ BUG();
+ }
+
+ kfree(buf);
+}
+
+/*
+ * 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)
+{
+ uint32_t my_used_size = 0;
+ uint32_t my_unchecked_size = 0;
+ uint32_t my_dirty_size = 0;
+ struct jffs2_raw_node_ref *ref2 = jeb->first_node;
+
+ while (ref2) {
+ uint32_t totlen = ref_totlen(c, jeb, ref2);
+
+ 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",
+ ref_offset(ref2), jeb->offset);
+ jffs2_dbg_dump_node_refs(c, jeb);
+ jffs2_dbg_dump_block_lists(c);
+ BUG();
+
+ }
+ if (ref_flags(ref2) == REF_UNCHECKED)
+ my_unchecked_size += totlen;
+ else if (!ref_obsolete(ref2))
+ my_used_size += totlen;
+ else
+ 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();
+ }
+ 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();
+ }
+
+ 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();
+ }
+
+ if (my_dirty_size != jeb->dirty_size + jeb->wasted_size) {
+ printk(KERN_ERR "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();
+ }
+
+ 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",
+ 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();
+ }
+}
+#endif /* JFFS2_PARANOIA_CHECKS */
+
+#if defined(JFFS2_PARANOIA_CHECKS) || (CONFIG_JFFS2_FS_DEBUG > 0)
+/*
+ * Dump the node_refs of the 'jeb' JFFS2 eraseblock.
+ */
+void
+jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
+{
+ struct jffs2_raw_node_ref *ref;
+ int i = 0;
+
+ if (!jeb->first_node) {
+ printk(KERN_DEBUG "no nodes in block %#08x\n", jeb->offset);
+ return;
+ }
+
+ printk(KERN_DEBUG);
+ for (ref = jeb->first_node; ; ref = ref->next_phys) {
+ printk("%#08x(%#x)", ref_offset(ref), ref->__totlen);
+ if (ref->next_phys)
+ printk("->");
+ else
+ break;
+ if (++i == 4) {
+ i = 0;
+ printk("\n" KERN_DEBUG);
+ }
+ }
+ printk("\n");
+}
+
+void
+jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c)
+{
+ 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",
+ 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);
+ else
+ printk(KERN_DEBUG "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);
+ else
+ printk(KERN_DEBUG "gcblock: NULL\n");
+
+ if (list_empty(&c->clean_list)) {
+ printk(KERN_DEBUG "clean_list: empty\n");
+ } else {
+ struct list_head *this;
+ int numblocks = 0;
+ uint32_t dirty = 0;
+
+ list_for_each(this, &c->clean_list) {
+ struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
+ 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 (KERN_DEBUG "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");
+ } else {
+ struct list_head *this;
+ int numblocks = 0;
+ uint32_t dirty = 0;
+
+ list_for_each(this, &c->very_dirty_list) {
+ struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
+
+ 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 (KERN_DEBUG "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");
+ } else {
+ struct list_head *this;
+ int numblocks = 0;
+ uint32_t dirty = 0;
+
+ list_for_each(this, &c->dirty_list) {
+ struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
+
+ 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 (KERN_DEBUG "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");
+ } else {
+ struct list_head *this;
+
+ list_for_each(this, &c->erasable_list) {
+ 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);
+ }
+ }
+ }
+
+ if (list_empty(&c->erasing_list)) {
+ printk(KERN_DEBUG "erasing_list: empty\n");
+ } else {
+ struct list_head *this;
+
+ list_for_each(this, &c->erasing_list) {
+ 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);
+ }
+ }
+ }
+
+ if (list_empty(&c->erase_pending_list)) {
+ printk(KERN_DEBUG "erase_pending_list: empty\n");
+ } else {
+ struct list_head *this;
+
+ list_for_each(this, &c->erase_pending_list) {
+ 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);
+ }
+ }
+ }
+
+ if (list_empty(&c->erasable_pending_wbuf_list)) {
+ printk(KERN_DEBUG "erasable_pending_wbuf_list: empty\n");
+ } else {
+ struct list_head *this;
+
+ list_for_each(this, &c->erasable_pending_wbuf_list) {
+ 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);
+ }
+ }
+ }
+
+ if (list_empty(&c->free_list)) {
+ printk(KERN_DEBUG "free_list: empty\n");
+ } else {
+ struct list_head *this;
+
+ list_for_each(this, &c->free_list) {
+ 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);
+ }
+ }
+ }
+
+ if (list_empty(&c->bad_list)) {
+ printk(KERN_DEBUG "bad_list: empty\n");
+ } else {
+ struct list_head *this;
+
+ list_for_each(this, &c->bad_list) {
+ 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);
+ }
+ }
+ }
+
+ if (list_empty(&c->bad_used_list)) {
+ printk(KERN_DEBUG "bad_used_list: empty\n");
+ } else {
+ struct list_head *this;
+
+ list_for_each(this, &c->bad_used_list) {
+ 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);
+ }
+ }
+ }
+}
+
+void
+jffs2_dbg_dump_fragtree(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);
+ 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));
+ 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));
+ if (this->ofs != lastofs)
+ buggy = 1;
+ lastofs = this->ofs + this->size;
+ this = frag_next(this);
+ }
+
+ if (f->metadata)
+ printk(KERN_DEBUG "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__);
+ BUG();
+ }
+}
+
+#define JFFS3_BUFDUMP_BYTES_PER_LINE 8
+void
+jffs2_dbg_dump_buffer(char *buf, int len, uint32_t offs)
+{
+ int i = 0;
+ int skip = offs & ~(JFFS3_BUFDUMP_BYTES_PER_LINE - 1);
+
+ while (i < len) {
+ int j = 0;
+
+ printk(KERN_DEBUG "0x#x: \n");
+ while (skip) {
+ printk(" ");
+ skip -= 1;
+ }
+
+ while (j < JFFS3_BUFDUMP_BYTES_PER_LINE) {
+ if (i + j < len)
+ printk(" %#02x", buf[i + j++]);
+ }
+
+ i += JFFS3_BUFDUMP_BYTES_PER_LINE;
+ }
+}
+#endif /* JFFS2_PARANOIA_CHECKS || CONFIG_JFFS2_FS_DEBUG > 0 */
--- /dev/null
+/*
+ * JFFS2 -- Journalling Flash File System, Version 2.
+ *
+ * Copyright (C) 2001-2003 Red Hat, Inc.
+ *
+ * Created by David Woodhouse <dwmw2@infradead.org>
+ *
+ * For licensing information, see the file 'LICENCE' in this directory.
+ *
+ * $Id: debug.h,v 1.1 2005/07/17 06:56:20 dedekind Exp $
+ *
+ */
+#ifndef _JFFS2_DEBUG_H_
+#define _JFFS2_DEBUG_H_
+
+#include <linux/config.h>
+
+#ifndef CONFIG_JFFS2_FS_DEBUG
+#define CONFIG_JFFS2_FS_DEBUG 1
+#endif
+
+#if CONFIG_JFFS2_FS_DEBUG > 0
+#define JFFS2_DBG_PARANOIA_CHECKS
+#define D1(x) x
+#else
+#define D1(x)
+#endif
+
+#if CONFIG_JFFS2_FS_DEBUG > 1
+#define D2(x) x
+#else
+#define D2(x)
+#endif
+
+/* Enable JFFS2 sanity checks */
+#define JFFS2_DBG_SANITY_CHECKS
+
+#if CONFIG_JFFS2_FS_DEBUG > 0
+void
+jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c);
+
+void
+jffs2_dbg_dump_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
+
+void
+jffs2_dbg_dump_fragtree(struct jffs2_inode_info *f);
+
+void
+jffs2_dbg_dump_buffer(char *buf, int len, uint32_t offs);
+#endif
+
+#ifdef JFFS2_DBG_PARANOIA_CHECKS
+void
+jffs2_dbg_fragtree_paranoia_check(struct jffs2_inode_info *f);
+
+void
+jffs2_dbg_acct_paranoia_check(struct jffs2_sb_info *c,
+ struct jffs2_eraseblock *jeb);
+
+void
+jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
+ uint32_t ofs, int len);
+#else
+#define jffs2_dbg_fragtree_paranoia_check(f)
+#define jffs2_dbg_acct_paranoia_check(c, jeb)
+#define jffs2_dbg_prewrite_paranoia_check(c, ofs, len)
+#endif /* !JFFS2_PARANOIA_CHECKS */
+
+#ifdef JFFS2_DBG_SANITY_CHECKS
+/*
+ * Check the space accounting of the file system and of
+ * the JFFS3 erasable block 'jeb'.
+ */
+static inline void
+jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
+ struct jffs2_eraseblock *jeb)
+{
+ if (unlikely(jeb && jeb->used_size + jeb->dirty_size +
+ jeb->free_size + jeb->wasted_size +
+ jeb->unchecked_size != c->sector_size)) {
+ printk(KERN_ERR "Eeep. Space accounting for block at 0x%08x is screwed\n", jeb->offset);
+ printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + wasted %#08x + unchecked "
+ "%#08x != total %#08x\n", jeb->free_size, jeb->dirty_size, jeb->used_size,
+ jeb->wasted_size, jeb->unchecked_size, c->sector_size);
+ BUG();
+ }
+
+ if (unlikely(c->used_size + c->dirty_size + c->free_size + c->erasing_size + c->bad_size
+ + c->wasted_size + c->unchecked_size != c->flash_size)) {
+ printk(KERN_ERR "Eeep. Space accounting superblock info is screwed\n");
+ printk(KERN_ERR "free %#08x + dirty %#08x + used %#08x + erasing %#08x + bad %#08x + "
+ "wasted %#08x + unchecked %#08x != total %#08x\n",
+ c->free_size, c->dirty_size, c->used_size, c->erasing_size, c->bad_size,
+ c->wasted_size, c->unchecked_size, c->flash_size);
+ BUG();
+ }
+}
+#else
+static inline void
+jffs2_dbg_acct_sanity_check(struct jffs2_sb_info *c,
+ struct jffs2_eraseblock *jeb);
+#endif /* !JFFS2_DBG_SANITY_CHECKS */
+
+#endif /* _JFFS2_DEBUG_H_ */
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: erase.c,v 1.80 2005/07/14 19:46:24 joern Exp $
+ * $Id: erase.c,v 1.81 2005/07/17 06:56:20 dedekind Exp $
*
*/
c->free_size += jeb->free_size;
c->used_size += jeb->used_size;
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
list_add_tail(&jeb->list, &c->free_list);
c->nr_erasing_blocks--;
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: fs.c,v 1.56 2005/07/06 12:13:09 dwmw2 Exp $
+ * $Id: fs.c,v 1.57 2005/07/17 06:56:21 dedekind Exp $
*
*/
buf->f_bavail = buf->f_bfree = avail >> PAGE_SHIFT;
- D2(jffs2_dump_block_lists(c));
+ D2(jffs2_dbg_dump_block_lists(c));
spin_unlock(&c->erase_completion_lock);
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: gc.c,v 1.148 2005/04/09 10:47:00 dedekind Exp $
+ * $Id: gc.c,v 1.149 2005/07/17 06:56:21 dedekind Exp $
*
*/
ret->wasted_size = 0;
}
- D2(jffs2_dump_block_lists(c));
+ D2(jffs2_dbg_dump_block_lists(c));
return ret;
}
if (c->checked_ino > c->highest_ino) {
printk(KERN_CRIT "Checked all inodes but still 0x%x bytes of unchecked space?\n",
c->unchecked_size);
- D2(jffs2_dump_block_lists(c));
+ D2(jffs2_dbg_dump_block_lists(c));
spin_unlock(&c->erase_completion_lock);
BUG();
}
D1(printk(KERN_DEBUG "Retrying failed write of REF_PRISTINE node.\n"));
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
ret = jffs2_reserve_space_gc(c, rawlen, &phys_ofs, &dummy);
if (!ret) {
D1(printk(KERN_DEBUG "Allocated space at 0x%08x to retry failed write.\n", phys_ofs));
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
goto retry;
}
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: nodelist.h,v 1.131 2005/07/05 21:03:07 dwmw2 Exp $
+ * $Id: nodelist.h,v 1.132 2005/07/17 06:56:21 dedekind Exp $
*
*/
#ifdef __ECOS
#include "os-ecos.h"
#else
-#include <linux/mtd/compatmac.h> /* For min/max in older kernels */
+#include <linux/mtd/compatmac.h> /* For compatibility with older kernels */
#include "os-linux.h"
#endif
-#ifndef CONFIG_JFFS2_FS_DEBUG
-#define CONFIG_JFFS2_FS_DEBUG 1
-#endif
-
-#if CONFIG_JFFS2_FS_DEBUG > 0
-#define D1(x) x
-#else
-#define D1(x)
-#endif
-
-#if CONFIG_JFFS2_FS_DEBUG > 1
-#define D2(x) x
-#else
-#define D2(x)
-#endif
-
#define JFFS2_NATIVE_ENDIAN
/* Note we handle mode bits conversion from JFFS2 (i.e. Linux) to/from
struct jffs2_raw_node_ref *gc_node; /* Next node to be garbage collected */
};
-#define ACCT_SANITY_CHECK(c, jeb) do { \
- struct jffs2_eraseblock *___j = jeb; \
- if ((___j) && ___j->used_size + ___j->dirty_size + ___j->free_size + ___j->wasted_size + ___j->unchecked_size != c->sector_size) { \
- printk(KERN_NOTICE "Eeep. Space accounting for block at 0x%08x is screwed\n", ___j->offset); \
- printk(KERN_NOTICE "free 0x%08x + dirty 0x%08x + used %08x + wasted %08x + unchecked %08x != total %08x\n", \
- ___j->free_size, ___j->dirty_size, ___j->used_size, ___j->wasted_size, ___j->unchecked_size, c->sector_size); \
- BUG(); \
- } \
- if (c->used_size + c->dirty_size + c->free_size + c->erasing_size + c->bad_size + c->wasted_size + c->unchecked_size != c->flash_size) { \
- printk(KERN_NOTICE "Eeep. Space accounting superblock info is screwed\n"); \
- printk(KERN_NOTICE "free 0x%08x + dirty 0x%08x + used %08x + erasing %08x + bad %08x + wasted %08x + unchecked %08x != total %08x\n", \
- c->free_size, c->dirty_size, c->used_size, c->erasing_size, c->bad_size, c->wasted_size, c->unchecked_size, c->flash_size); \
- BUG(); \
- } \
-} while(0)
-
-static inline void paranoia_failed_dump(struct jffs2_eraseblock *jeb)
-{
- struct jffs2_raw_node_ref *ref;
- int i=0;
-
- printk(KERN_NOTICE);
- for (ref = jeb->first_node; ref; ref = ref->next_phys) {
- printk("%08x->", ref_offset(ref));
- if (++i == 8) {
- i = 0;
- printk("\n" KERN_NOTICE);
- }
- }
- printk("\n");
-}
-
-
-#define ACCT_PARANOIA_CHECK(jeb) do { \
- uint32_t my_used_size = 0; \
- uint32_t my_unchecked_size = 0; \
- struct jffs2_raw_node_ref *ref2 = jeb->first_node; \
- while (ref2) { \
- if (unlikely(ref2->flash_offset < jeb->offset || \
- ref2->flash_offset > jeb->offset + c->sector_size)) { \
- printk(KERN_NOTICE "Node %08x shouldn't be in block at %08x!\n", \
- ref_offset(ref2), jeb->offset); \
- paranoia_failed_dump(jeb); \
- BUG(); \
- } \
- if (ref_flags(ref2) == REF_UNCHECKED) \
- my_unchecked_size += ref_totlen(c, jeb, ref2); \
- else if (!ref_obsolete(ref2)) \
- my_used_size += ref_totlen(c, jeb, ref2); \
- if (unlikely((!ref2->next_phys) != (ref2 == jeb->last_node))) { \
- if (!ref2->next_phys) \
- printk("ref for node at %p (phys %08x) has next_phys->%p (----), last_node->%p (phys %08x)\n", \
- ref2, ref_offset(ref2), ref2->next_phys, \
- jeb->last_node, ref_offset(jeb->last_node)); \
- else \
- printk("ref for node at %p (phys %08x) has next_phys->%p (%08x), last_node->%p (phys %08x)\n", \
- ref2, ref_offset(ref2), ref2->next_phys, ref_offset(ref2->next_phys), \
- jeb->last_node, ref_offset(jeb->last_node)); \
- paranoia_failed_dump(jeb); \
- BUG(); \
- } \
- ref2 = ref2->next_phys; \
- } \
- if (my_used_size != jeb->used_size) { \
- printk(KERN_NOTICE "Calculated used size %08x != stored used size %08x\n", my_used_size, jeb->used_size); \
- BUG(); \
- } \
- if (my_unchecked_size != jeb->unchecked_size) { \
- printk(KERN_NOTICE "Calculated unchecked size %08x != stored unchecked size %08x\n", my_unchecked_size, jeb->unchecked_size); \
- BUG(); \
- } \
- } while(0)
-
/* Calculate totlen from surrounding nodes or eraseblock */
static inline uint32_t __ref_totlen(struct jffs2_sb_info *c,
struct jffs2_eraseblock *jeb,
{
uint32_t ret;
- D1(if (jeb && jeb != &c->blocks[ref->flash_offset / c->sector_size]) {
+#if CONFIG_JFFS2_FS_DEBUG > 0
+ if (jeb && jeb != &c->blocks[ref->flash_offset / c->sector_size]) {
printk(KERN_CRIT "ref_totlen called with wrong block -- at 0x%08x instead of 0x%08x; ref 0x%08x\n",
jeb->offset, c->blocks[ref->flash_offset / c->sector_size].offset, ref_offset(ref));
BUG();
- })
+ }
+#endif
#if 1
ret = ref->__totlen;
ret, ref->__totlen);
if (!jeb)
jeb = &c->blocks[ref->flash_offset / c->sector_size];
- paranoia_failed_dump(jeb);
+ jffs2_dbg_dump_node_refs(c, jeb);
BUG();
}
#endif
return ret;
}
-
#define ALLOC_NORMAL 0 /* Normal allocation */
#define ALLOC_DELETION 1 /* Deletion node. Best to allow it */
#define ALLOC_GC 2 /* Space requested for GC. Give it or die */
#define frag_erase(frag, list) rb_erase(&frag->rb, list);
/* nodelist.c */
-D2(void jffs2_print_frag_list(struct jffs2_inode_info *f));
void jffs2_add_fd_to_list(struct jffs2_sb_info *c, struct jffs2_full_dirent *new, struct jffs2_full_dirent **list);
int jffs2_get_inode_nodes(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
struct rb_root *tnp, struct jffs2_full_dirent **fdp,
int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *new);
void jffs2_complete_reservation(struct jffs2_sb_info *c);
void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *raw);
-void jffs2_dump_block_lists(struct jffs2_sb_info *c);
/* write.c */
int jffs2_do_new_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, uint32_t mode, struct jffs2_raw_inode *ri);
int jffs2_write_nand_cleanmarker(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
#endif
+#include "debug.h"
+
#endif /* __JFFS2_NODELIST_H__ */
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: nodemgmt.c,v 1.122 2005/05/06 09:30:27 dedekind Exp $
+ * $Id: nodemgmt.c,v 1.123 2005/07/17 06:56:21 dedekind Exp $
*
*/
list_add_tail(&jeb->list, &c->clean_list);
c->nextblock = NULL;
}
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
spin_unlock(&c->erase_completion_lock);
}
ref->flash_offset = ref_offset(ref) | REF_OBSOLETE;
- ACCT_SANITY_CHECK(c, jeb);
+ jffs2_dbg_acct_sanity_check(c, jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_paranoia_check(c, jeb);
if (c->flags & JFFS2_SB_FLAG_SCANNING) {
/* Flash scanning is in progress. Don't muck about with the block
up(&c->erase_free_sem);
}
-#if CONFIG_JFFS2_FS_DEBUG >= 2
-void jffs2_dump_block_lists(struct jffs2_sb_info *c)
-{
-
-
- printk(KERN_DEBUG "jffs2_dump_block_lists:\n");
- 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",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);
- } else {
- printk(KERN_DEBUG "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);
- } else {
- printk(KERN_DEBUG "gcblock: NULL\n");
- }
- if (list_empty(&c->clean_list)) {
- printk(KERN_DEBUG "clean_list: empty\n");
- } else {
- struct list_head *this;
- int numblocks = 0;
- uint32_t dirty = 0;
-
- list_for_each(this, &c->clean_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- numblocks ++;
- dirty += jeb->wasted_size;
- 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 (KERN_DEBUG "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");
- } else {
- struct list_head *this;
- int numblocks = 0;
- uint32_t dirty = 0;
-
- list_for_each(this, &c->very_dirty_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- numblocks ++;
- dirty += jeb->dirty_size;
- 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 (KERN_DEBUG "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");
- } else {
- struct list_head *this;
- int numblocks = 0;
- uint32_t dirty = 0;
-
- list_for_each(this, &c->dirty_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- numblocks ++;
- dirty += jeb->dirty_size;
- 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 (KERN_DEBUG "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");
- } else {
- struct list_head *this;
-
- list_for_each(this, &c->erasable_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- 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);
- }
- }
- if (list_empty(&c->erasing_list)) {
- printk(KERN_DEBUG "erasing_list: empty\n");
- } else {
- struct list_head *this;
-
- list_for_each(this, &c->erasing_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- 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);
- }
- }
- if (list_empty(&c->erase_pending_list)) {
- printk(KERN_DEBUG "erase_pending_list: empty\n");
- } else {
- struct list_head *this;
-
- list_for_each(this, &c->erase_pending_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- 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);
- }
- }
- if (list_empty(&c->erasable_pending_wbuf_list)) {
- printk(KERN_DEBUG "erasable_pending_wbuf_list: empty\n");
- } else {
- struct list_head *this;
-
- list_for_each(this, &c->erasable_pending_wbuf_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- 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);
- }
- }
- if (list_empty(&c->free_list)) {
- printk(KERN_DEBUG "free_list: empty\n");
- } else {
- struct list_head *this;
-
- list_for_each(this, &c->free_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- 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);
- }
- }
- if (list_empty(&c->bad_list)) {
- printk(KERN_DEBUG "bad_list: empty\n");
- } else {
- struct list_head *this;
-
- list_for_each(this, &c->bad_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- 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);
- }
- }
- if (list_empty(&c->bad_used_list)) {
- printk(KERN_DEBUG "bad_used_list: empty\n");
- } else {
- struct list_head *this;
-
- list_for_each(this, &c->bad_used_list) {
- struct jffs2_eraseblock *jeb = list_entry(this, struct jffs2_eraseblock, list);
- 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);
- }
- }
-}
-#endif /* CONFIG_JFFS2_FS_DEBUG */
-
int jffs2_thread_should_wake(struct jffs2_sb_info *c)
{
int ret = 0;
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: read.c,v 1.39 2005/03/01 10:34:03 dedekind Exp $
+ * $Id: read.c,v 1.40 2005/07/17 06:56:21 dedekind Exp $
*
*/
if (frag) {
D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset));
holesize = min(holesize, frag->ofs - offset);
- D2(jffs2_print_frag_list(f));
+ D2(jffs2_dbg_dump_fragtree(f));
}
D1(printk(KERN_DEBUG "Filling non-frag hole from %d-%d\n", offset, offset+holesize));
memset(buf, 0, holesize);
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: readinode.c,v 1.125 2005/07/10 13:13:55 dedekind Exp $
+ * $Id: readinode.c,v 1.126 2005/07/17 06:56:21 dedekind Exp $
*
*/
static int jffs2_add_frag_to_fragtree(struct jffs2_sb_info *c, struct rb_root *list, struct jffs2_node_frag *newfrag);
-#if CONFIG_JFFS2_FS_DEBUG >= 2
-static void jffs2_print_fragtree(struct rb_root *list, int permitbug)
-{
- struct jffs2_node_frag *this = frag_first(list);
- uint32_t lastofs = 0;
- int buggy = 0;
-
- while(this) {
- if (this->node)
- printk(KERN_DEBUG "frag %04x-%04x: 0x%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));
- if (this->ofs != lastofs)
- buggy = 1;
- lastofs = this->ofs+this->size;
- this = frag_next(this);
- }
- if (buggy && !permitbug) {
- printk(KERN_CRIT "Frag tree got a hole in it\n");
- BUG();
- }
-}
-
-void jffs2_print_frag_list(struct jffs2_inode_info *f)
-{
- jffs2_print_fragtree(&f->fragtree, 0);
-
- if (f->metadata) {
- printk(KERN_DEBUG "metadata at 0x%08x\n", ref_offset(f->metadata->raw));
- }
-}
-#endif
-
-#if CONFIG_JFFS2_FS_DEBUG >= 1
-static int jffs2_sanitycheck_fragtree(struct jffs2_inode_info *f)
-{
- struct jffs2_node_frag *frag;
- int bitched = 0;
-
- for (frag = frag_first(&f->fragtree); frag; frag = frag_next(frag)) {
-
- struct jffs2_full_dnode *fn = frag->node;
- if (!fn || !fn->raw)
- continue;
-
- if (ref_flags(fn->raw) == REF_PRISTINE) {
-
- if (fn->frags > 1) {
- printk(KERN_WARNING "REF_PRISTINE node at 0x%08x had %d frags. Tell dwmw2\n", ref_offset(fn->raw), fn->frags);
- bitched = 1;
- }
- /* A hole node which isn't multi-page should be garbage-collected
- and merged anyway, so we just check for the frag size here,
- rather than mucking around with actually reading the node
- and checking the compression type, which is the real way
- 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_WARNING "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_WARNING "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;
- }
- }
- }
-
- if (bitched) {
- struct jffs2_node_frag *thisfrag;
-
- printk(KERN_WARNING "Inode is #%u\n", f->inocache->ino);
- thisfrag = frag_first(&f->fragtree);
- while (thisfrag) {
- if (!thisfrag->node) {
- printk("Frag @0x%x-0x%x; node-less hole\n",
- thisfrag->ofs, thisfrag->size + thisfrag->ofs);
- } else if (!thisfrag->node->raw) {
- printk("Frag @0x%x-0x%x; raw-less hole\n",
- thisfrag->ofs, thisfrag->size + thisfrag->ofs);
- } else {
- printk("Frag @0x%x-0x%x; raw at 0x%08x(%d) (0x%x-0x%x)\n",
- thisfrag->ofs, thisfrag->size + thisfrag->ofs,
- ref_offset(thisfrag->node->raw), ref_flags(thisfrag->node->raw),
- thisfrag->node->ofs, thisfrag->node->ofs+thisfrag->node->size);
- }
- thisfrag = frag_next(thisfrag);
- }
- }
- return bitched;
-}
-#endif /* D1 */
-
static void jffs2_obsolete_node_frag(struct jffs2_sb_info *c, struct jffs2_node_frag *this)
{
if (this->node) {
mark_ref_normal(next->node->raw);
}
}
- D2(if (jffs2_sanitycheck_fragtree(f)) {
- printk(KERN_WARNING "Just added node %04x-%04x @0x%08x on flash, newfrag *%p\n",
- fn->ofs, fn->ofs+fn->size, ref_offset(fn->raw), newfrag);
- return 0;
- })
- D2(jffs2_print_frag_list(f));
+ D2(jffs2_dbg_fragtree_paranoia_check(f));
+ D2(jffs2_dbg_dump_fragtree(f));
return 0;
}
jffs2_free_tmp_dnode_info(tn);
}
- D1(jffs2_sanitycheck_fragtree(f));
+ jffs2_dbg_fragtree_paranoia_check(f);
if (!fn) {
/* No data nodes for this inode. */
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: scan.c,v 1.119 2005/02/17 17:51:13 dedekind Exp $
+ * $Id: scan.c,v 1.120 2005/07/17 06:56:21 dedekind Exp $
*
*/
#include <linux/kernel.h>
if (ret < 0)
goto out;
- ACCT_PARANOIA_CHECK(jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
/* Now decide which list to put it on */
switch(ret) {
scan_more:
while(ofs < jeb->offset + c->sector_size) {
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_paranoia_check(c, jeb);
cond_resched();
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: wbuf.c,v 1.92 2005/04/05 12:51:54 dedekind Exp $
+ * $Id: wbuf.c,v 1.93 2005/07/17 06:56:21 dedekind Exp $
*
*/
{
D1(printk("About to refile bad block at %08x\n", jeb->offset));
- D2(jffs2_dump_block_lists(c));
+ D2(jffs2_dbg_dump_block_lists(c));
/* File the existing block on the bad_used_list.... */
if (c->nextblock == jeb)
c->nextblock = NULL;
c->nr_erasing_blocks++;
jffs2_erase_pending_trigger(c);
}
- D2(jffs2_dump_block_lists(c));
+ D2(jffs2_dbg_dump_block_lists(c));
/* Adjust its size counts accordingly */
c->wasted_size += jeb->free_size;
jeb->wasted_size += jeb->free_size;
jeb->free_size = 0;
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
}
/* Recover from failure to write wbuf. Recover the nodes up to the
else
jeb->last_node = container_of(first_raw, struct jffs2_raw_node_ref, next_phys);
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
- ACCT_SANITY_CHECK(c,new_jeb);
- D1(ACCT_PARANOIA_CHECK(new_jeb));
+ jffs2_dbg_acct_sanity_check(c,new_jeb);
+ jffs2_dbg_acct_paranoia_check(c, new_jeb);
spin_unlock(&c->erase_completion_lock);
if (buf[i] != 0xFF) {
D2(printk(KERN_DEBUG "Found %02x at %x in OOB for %08x\n",
- buf[page+i], page+i, jeb->offset));
+ buf[i], i, jeb->offset));
ret = 1;
goto out;
}
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: write.c,v 1.92 2005/04/13 13:22:35 dwmw2 Exp $
+ * $Id: write.c,v 1.93 2005/07/17 06:56:21 dedekind Exp $
*
*/
return 0;
}
-#if CONFIG_JFFS2_FS_DEBUG > 0
-static void writecheck(struct jffs2_sb_info *c, uint32_t ofs)
-{
- unsigned char buf[16];
- size_t retlen;
- int ret, i;
-
- ret = jffs2_flash_read(c, ofs, 16, &retlen, buf);
- if (ret || (retlen != 16)) {
- D1(printk(KERN_DEBUG "read failed or short in writecheck(). ret %d, retlen %zd\n", ret, retlen));
- return;
- }
- ret = 0;
- for (i=0; i<16; i++) {
- if (buf[i] != 0xff)
- ret = 1;
- }
- if (ret) {
- printk(KERN_WARNING "ARGH. About to write node to 0x%08x on flash, but there are data already there:\n", ofs);
- printk(KERN_WARNING "0x%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
- ofs,
- buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7],
- buf[8], buf[9], buf[10], buf[11], buf[12], buf[13], buf[14], buf[15]);
- }
-}
-#endif
-
-
/* jffs2_write_dnode - given a raw_inode, allocate a full_dnode for it,
write it to the flash, link it into the existing inode/fragment list */
vecs[1].iov_base = (unsigned char *)data;
vecs[1].iov_len = datalen;
- D1(writecheck(c, flash_ofs));
+ jffs2_dbg_prewrite_paranoia_check(c, flash_ofs, vecs[0].iov_len + vecs[1].iov_len);
if (je32_to_cpu(ri->totlen) != sizeof(*ri) + datalen) {
printk(KERN_WARNING "jffs2_write_dnode: ri->totlen (0x%08x) != sizeof(*ri) (0x%08zx) + datalen (0x%08x)\n", je32_to_cpu(ri->totlen), sizeof(*ri), datalen);
D1(printk(KERN_DEBUG "Retrying failed write.\n"));
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
if (alloc_mode == ALLOC_GC) {
ret = jffs2_reserve_space_gc(c, sizeof(*ri) + datalen, &flash_ofs, &dummy);
if (!ret) {
D1(printk(KERN_DEBUG "Allocated space at 0x%08x to retry failed write.\n", flash_ofs));
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
goto retry;
}
je32_to_cpu(ri->data_crc), je32_to_cpu(ri->totlen)));
if (retried) {
- ACCT_SANITY_CHECK(c,NULL);
+ jffs2_dbg_acct_sanity_check(c,NULL);
}
return fn;
D1(printk(KERN_DEBUG "jffs2_write_dirent(ino #%u, name at *0x%p \"%s\"->ino #%u, name_crc 0x%08x)\n",
je32_to_cpu(rd->pino), name, name, je32_to_cpu(rd->ino),
je32_to_cpu(rd->name_crc)));
- D1(writecheck(c, flash_ofs));
+
+ jffs2_dbg_prewrite_paranoia_check(c, flash_ofs, vecs[0].iov_len + vecs[1].iov_len);
D1(if(je32_to_cpu(rd->hdr_crc) != crc32(0, rd, sizeof(struct jffs2_unknown_node)-4)) {
printk(KERN_CRIT "Eep. CRC not correct in jffs2_write_dirent()\n");
D1(printk(KERN_DEBUG "Retrying failed write.\n"));
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
if (alloc_mode == ALLOC_GC) {
ret = jffs2_reserve_space_gc(c, sizeof(*rd) + namelen, &flash_ofs, &dummy);
if (!ret) {
D1(printk(KERN_DEBUG "Allocated space at 0x%08x to retry failed write.\n", flash_ofs));
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ jffs2_dbg_acct_sanity_check(c,jeb);
+ jffs2_dbg_acct_paranoia_check(c, jeb);
goto retry;
}
D1(printk(KERN_DEBUG "Failed to allocate space to retry failed write: %d!\n", ret));
spin_unlock(&c->erase_completion_lock);
if (retried) {
- ACCT_SANITY_CHECK(c,NULL);
+ jffs2_dbg_acct_sanity_check(c,NULL);
}
return fd;
projects / deliverable / linux.git / commitdiff
