From e0c8e42f8f218063ff6838b25038ccef7ddf257e Mon Sep 17 00:00:00 2001 From: "Artem B. Bityutskiy" Date: Sun, 24 Jul 2005 16:14:17 +0100 Subject: [JFFS2] Debug code clean up - step 3 Various simplifiactions. printk format corrections. Convert more code to use the new debug functions. Signed-off-by: Artem B. Bityutskiy Signed-off-by: Thomas Gleixner --- fs/jffs2/debug.c | 526 ++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 370 insertions(+), 156 deletions(-) (limited to 'fs/jffs2/debug.c') diff --git a/fs/jffs2/debug.c b/fs/jffs2/debug.c index 9da524ca4e66..fb88eb19711b 100644 --- a/fs/jffs2/debug.c +++ b/fs/jffs2/debug.c @@ -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 #include +#include +#include #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 + + 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_PARANOIA_CHECKS */ +#endif /* JFFS2_DBG_PARANOIA_CHECKS */ -#if defined(JFFS2_PARANOIA_CHECKS) || (CONFIG_JFFS2_FS_DEBUG > 0) +#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_jeb(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb) +{ + spin_lock(&c->erase_completion_lock); + __jffs2_dbg_dump_jeb_nolock(jeb); + spin_unlock(&c->erase_completion_lock); +} + void -jffs2_dbg_dump_block_lists(struct jffs2_sb_info *c) +__jffs2_dbg_dump_jeb_nolock(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", + 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; + } + + 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; - i += JFFS3_BUFDUMP_BYTES_PER_LINE; + 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 */ -- cgit v1.2.3