UBIFS: introduce LPT dump function
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy
Родитель
787845bdea
Коммит
2ba5f7ae81
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@ -646,7 +646,8 @@ void dbg_dump_lprops(struct ubifs_info *c)
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struct ubifs_lprops lp;
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struct ubifs_lp_stats lst;
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printk(KERN_DEBUG "(pid %d) Dumping LEB properties\n", current->pid);
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printk(KERN_DEBUG "(pid %d) start dumping LEB properties\n",
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current->pid);
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ubifs_get_lp_stats(c, &lst);
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dbg_dump_lstats(&lst);
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@ -657,6 +658,8 @@ void dbg_dump_lprops(struct ubifs_info *c)
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dbg_dump_lprop(c, &lp);
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}
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printk(KERN_DEBUG "(pid %d) finish dumping LEB properties\n",
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current->pid);
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}
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void dbg_dump_lpt_info(struct ubifs_info *c)
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@ -664,6 +667,7 @@ void dbg_dump_lpt_info(struct ubifs_info *c)
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int i;
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spin_lock(&dbg_lock);
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printk(KERN_DEBUG "(pid %d) dumping LPT information\n", current->pid);
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printk(KERN_DEBUG "\tlpt_sz: %lld\n", c->lpt_sz);
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printk(KERN_DEBUG "\tpnode_sz: %d\n", c->pnode_sz);
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printk(KERN_DEBUG "\tnnode_sz: %d\n", c->nnode_sz);
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@ -704,8 +708,8 @@ void dbg_dump_leb(const struct ubifs_info *c, int lnum)
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if (dbg_failure_mode)
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return;
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printk(KERN_DEBUG "(pid %d) Dumping LEB %d\n", current->pid, lnum);
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printk(KERN_DEBUG "(pid %d) start dumping LEB %d\n",
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current->pid, lnum);
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sleb = ubifs_scan(c, lnum, 0, c->dbg->buf);
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if (IS_ERR(sleb)) {
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ubifs_err("scan error %d", (int)PTR_ERR(sleb));
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@ -722,6 +726,8 @@ void dbg_dump_leb(const struct ubifs_info *c, int lnum)
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dbg_dump_node(c, snod->node);
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}
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printk(KERN_DEBUG "(pid %d) finish dumping LEB %d\n",
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current->pid, lnum);
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ubifs_scan_destroy(sleb);
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return;
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}
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@ -769,7 +775,7 @@ void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat)
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{
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int i;
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printk(KERN_DEBUG "(pid %d) Dumping heap cat %d (%d elements)\n",
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printk(KERN_DEBUG "(pid %d) start dumping heap cat %d (%d elements)\n",
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current->pid, cat, heap->cnt);
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for (i = 0; i < heap->cnt; i++) {
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struct ubifs_lprops *lprops = heap->arr[i];
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@ -778,6 +784,7 @@ void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat)
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"flags %d\n", i, lprops->lnum, lprops->hpos,
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lprops->free, lprops->dirty, lprops->flags);
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}
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printk(KERN_DEBUG "(pid %d) finish dumping heap\n", current->pid);
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}
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void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
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@ -785,7 +792,7 @@ void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
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{
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int i;
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printk(KERN_DEBUG "(pid %d) Dumping pnode:\n", current->pid);
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printk(KERN_DEBUG "(pid %d) dumping pnode:\n", current->pid);
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printk(KERN_DEBUG "\taddress %zx parent %zx cnext %zx\n",
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(size_t)pnode, (size_t)parent, (size_t)pnode->cnext);
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printk(KERN_DEBUG "\tflags %lu iip %d level %d num %d\n",
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@ -804,7 +811,7 @@ void dbg_dump_tnc(struct ubifs_info *c)
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int level;
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printk(KERN_DEBUG "\n");
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printk(KERN_DEBUG "(pid %d) Dumping the TNC tree\n", current->pid);
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printk(KERN_DEBUG "(pid %d) start dumping TNC tree\n", current->pid);
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znode = ubifs_tnc_levelorder_next(c->zroot.znode, NULL);
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level = znode->level;
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printk(KERN_DEBUG "== Level %d ==\n", level);
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@ -816,8 +823,7 @@ void dbg_dump_tnc(struct ubifs_info *c)
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dbg_dump_znode(c, znode);
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znode = ubifs_tnc_levelorder_next(c->zroot.znode, znode);
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}
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printk(KERN_DEBUG "\n");
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printk(KERN_DEBUG "(pid %d) finish dumping TNC tree\n", current->pid);
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}
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static int dump_znode(struct ubifs_info *c, struct ubifs_znode *znode,
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@ -992,7 +998,8 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
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ubifs_err("1st entry at %d:%d has key %s", zbr1->lnum,
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zbr1->offs, DBGKEY(&key));
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ubifs_err("but it should have key %s according to tnc",
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DBGKEY(&zbr1->key)); dbg_dump_node(c, dent1);
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DBGKEY(&zbr1->key));
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dbg_dump_node(c, dent1);
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goto out_free;
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}
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@ -1001,7 +1008,8 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
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ubifs_err("2nd entry at %d:%d has key %s", zbr1->lnum,
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zbr1->offs, DBGKEY(&key));
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ubifs_err("but it should have key %s according to tnc",
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DBGKEY(&zbr2->key)); dbg_dump_node(c, dent2);
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DBGKEY(&zbr2->key));
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dbg_dump_node(c, dent2);
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goto out_free;
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}
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@ -270,6 +270,8 @@ const char *dbg_get_key_dump(const struct ubifs_info *c,
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const union ubifs_key *key);
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void dbg_dump_inode(const struct ubifs_info *c, const struct inode *inode);
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void dbg_dump_node(const struct ubifs_info *c, const void *node);
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void dbg_dump_lpt_node(const struct ubifs_info *c, void *node, int lnum,
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int offs);
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void dbg_dump_budget_req(const struct ubifs_budget_req *req);
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void dbg_dump_lstats(const struct ubifs_lp_stats *lst);
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void dbg_dump_budg(struct ubifs_info *c);
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@ -284,6 +286,7 @@ void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
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struct ubifs_nnode *parent, int iip);
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void dbg_dump_tnc(struct ubifs_info *c);
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void dbg_dump_index(struct ubifs_info *c);
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void dbg_dump_lpt_lebs(const struct ubifs_info *c);
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/* Checking helper functions */
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typedef int (*dbg_leaf_callback)(struct ubifs_info *c,
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@ -411,26 +414,28 @@ void dbg_debugfs_exit_fs(struct ubifs_info *c);
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#define DBGKEY(key) ((char *)(key))
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#define DBGKEY1(key) ((char *)(key))
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#define ubifs_debugging_init(c) 0
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#define ubifs_debugging_exit(c) ({})
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#define ubifs_debugging_init(c) 0
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#define ubifs_debugging_exit(c) ({})
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#define dbg_ntype(type) ""
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#define dbg_cstate(cmt_state) ""
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#define dbg_get_key_dump(c, key) ({})
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#define dbg_dump_inode(c, inode) ({})
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#define dbg_dump_node(c, node) ({})
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#define dbg_dump_budget_req(req) ({})
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#define dbg_dump_lstats(lst) ({})
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#define dbg_dump_budg(c) ({})
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#define dbg_dump_lprop(c, lp) ({})
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#define dbg_dump_lprops(c) ({})
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#define dbg_dump_lpt_info(c) ({})
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#define dbg_dump_leb(c, lnum) ({})
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#define dbg_dump_znode(c, znode) ({})
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#define dbg_dump_heap(c, heap, cat) ({})
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#define dbg_dump_pnode(c, pnode, parent, iip) ({})
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#define dbg_dump_tnc(c) ({})
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#define dbg_dump_index(c) ({})
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#define dbg_ntype(type) ""
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#define dbg_cstate(cmt_state) ""
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#define dbg_get_key_dump(c, key) ({})
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#define dbg_dump_inode(c, inode) ({})
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#define dbg_dump_node(c, node) ({})
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#define dbg_dump_lpt_node(c, node, lnum, offs) ({})
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#define dbg_dump_budget_req(req) ({})
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#define dbg_dump_lstats(lst) ({})
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#define dbg_dump_budg(c) ({})
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#define dbg_dump_lprop(c, lp) ({})
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#define dbg_dump_lprops(c) ({})
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#define dbg_dump_lpt_info(c) ({})
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#define dbg_dump_leb(c, lnum) ({})
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#define dbg_dump_znode(c, znode) ({})
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#define dbg_dump_heap(c, heap, cat) ({})
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#define dbg_dump_pnode(c, pnode, parent, iip) ({})
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#define dbg_dump_tnc(c) ({})
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#define dbg_dump_index(c) ({})
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#define dbg_dump_lpt_lebs(c) ({})
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#define dbg_walk_index(c, leaf_cb, znode_cb, priv) 0
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#define dbg_old_index_check_init(c, zroot) 0
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@ -557,7 +557,7 @@ static int calc_nnode_num(int row, int col)
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* This function calculates and returns the nnode number based on the parent's
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* nnode number and the index in parent.
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*/
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static int calc_nnode_num_from_parent(struct ubifs_info *c,
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static int calc_nnode_num_from_parent(const struct ubifs_info *c,
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struct ubifs_nnode *parent, int iip)
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{
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int num, shft;
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@ -582,7 +582,7 @@ static int calc_nnode_num_from_parent(struct ubifs_info *c,
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* This function calculates and returns the pnode number based on the parent's
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* nnode number and the index in parent.
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*/
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static int calc_pnode_num_from_parent(struct ubifs_info *c,
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static int calc_pnode_num_from_parent(const struct ubifs_info *c,
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struct ubifs_nnode *parent, int iip)
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{
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int i, n = c->lpt_hght - 1, pnum = parent->num, num = 0;
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@ -965,7 +965,7 @@ static int check_lpt_type(uint8_t **addr, int *pos, int type)
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*
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* This function returns %0 on success and a negative error code on failure.
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*/
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static int unpack_pnode(struct ubifs_info *c, void *buf,
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static int unpack_pnode(const struct ubifs_info *c, void *buf,
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struct ubifs_pnode *pnode)
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{
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uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
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@ -995,15 +995,15 @@ static int unpack_pnode(struct ubifs_info *c, void *buf,
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}
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/**
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* unpack_nnode - unpack a nnode.
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* ubifs_unpack_nnode - unpack a nnode.
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* @c: UBIFS file-system description object
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* @buf: buffer containing packed nnode to unpack
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* @nnode: nnode structure to fill
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*
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* This function returns %0 on success and a negative error code on failure.
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*/
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static int unpack_nnode(struct ubifs_info *c, void *buf,
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struct ubifs_nnode *nnode)
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int ubifs_unpack_nnode(const struct ubifs_info *c, void *buf,
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struct ubifs_nnode *nnode)
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{
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uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
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int i, pos = 0, err;
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@ -1035,7 +1035,7 @@ static int unpack_nnode(struct ubifs_info *c, void *buf,
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*
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* This function returns %0 on success and a negative error code on failure.
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*/
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static int unpack_ltab(struct ubifs_info *c, void *buf)
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static int unpack_ltab(const struct ubifs_info *c, void *buf)
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{
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uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
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int i, pos = 0, err;
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@ -1067,7 +1067,7 @@ static int unpack_ltab(struct ubifs_info *c, void *buf)
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*
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* This function returns %0 on success and a negative error code on failure.
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*/
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static int unpack_lsave(struct ubifs_info *c, void *buf)
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static int unpack_lsave(const struct ubifs_info *c, void *buf)
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{
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uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
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int i, pos = 0, err;
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@ -1095,7 +1095,7 @@ static int unpack_lsave(struct ubifs_info *c, void *buf)
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*
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* This function returns %0 on success and a negative error code on failure.
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*/
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static int validate_nnode(struct ubifs_info *c, struct ubifs_nnode *nnode,
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static int validate_nnode(const struct ubifs_info *c, struct ubifs_nnode *nnode,
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struct ubifs_nnode *parent, int iip)
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{
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int i, lvl, max_offs;
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@ -1139,7 +1139,7 @@ static int validate_nnode(struct ubifs_info *c, struct ubifs_nnode *nnode,
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*
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* This function returns %0 on success and a negative error code on failure.
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*/
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static int validate_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
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static int validate_pnode(const struct ubifs_info *c, struct ubifs_pnode *pnode,
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struct ubifs_nnode *parent, int iip)
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{
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int i;
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@ -1173,7 +1173,8 @@ static int validate_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
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* This function calculates the LEB numbers for the LEB properties it contains
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* based on the pnode number.
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*/
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static void set_pnode_lnum(struct ubifs_info *c, struct ubifs_pnode *pnode)
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static void set_pnode_lnum(const struct ubifs_info *c,
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struct ubifs_pnode *pnode)
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{
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int i, lnum;
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@ -1226,7 +1227,7 @@ int ubifs_read_nnode(struct ubifs_info *c, struct ubifs_nnode *parent, int iip)
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err = ubi_read(c->ubi, lnum, buf, offs, c->nnode_sz);
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if (err)
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goto out;
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err = unpack_nnode(c, buf, nnode);
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err = ubifs_unpack_nnode(c, buf, nnode);
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if (err)
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goto out;
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}
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@ -1815,7 +1816,7 @@ static struct ubifs_nnode *scan_get_nnode(struct ubifs_info *c,
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c->nnode_sz);
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if (err)
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return ERR_PTR(err);
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err = unpack_nnode(c, buf, nnode);
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err = ubifs_unpack_nnode(c, buf, nnode);
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if (err)
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return ERR_PTR(err);
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}
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@ -320,6 +320,7 @@ no_space:
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dbg_err("LPT out of space at LEB %d:%d needing %d, done_ltab %d, "
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"done_lsave %d", lnum, offs, len, done_ltab, done_lsave);
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dbg_dump_lpt_info(c);
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dbg_dump_lpt_lebs(c);
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dump_stack();
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return err;
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}
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@ -549,6 +550,7 @@ no_space:
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dbg_err("LPT out of space mismatch at LEB %d:%d needing %d, done_ltab "
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"%d, done_lsave %d", lnum, offs, len, done_ltab, done_lsave);
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dbg_dump_lpt_info(c);
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dbg_dump_lpt_lebs(c);
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dump_stack();
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return err;
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}
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@ -1027,7 +1029,7 @@ static int make_node_dirty(struct ubifs_info *c, int node_type, int node_num,
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* @c: UBIFS file-system description object
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* @node_type: LPT node type
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*/
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static int get_lpt_node_len(struct ubifs_info *c, int node_type)
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static int get_lpt_node_len(const struct ubifs_info *c, int node_type)
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{
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switch (node_type) {
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case UBIFS_LPT_NNODE:
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@ -1048,7 +1050,7 @@ static int get_lpt_node_len(struct ubifs_info *c, int node_type)
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* @buf: buffer
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* @len: length of buffer
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*/
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static int get_pad_len(struct ubifs_info *c, uint8_t *buf, int len)
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static int get_pad_len(const struct ubifs_info *c, uint8_t *buf, int len)
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{
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int offs, pad_len;
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@ -1065,7 +1067,8 @@ static int get_pad_len(struct ubifs_info *c, uint8_t *buf, int len)
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* @buf: buffer
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* @node_num: node number is returned here
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*/
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static int get_lpt_node_type(struct ubifs_info *c, uint8_t *buf, int *node_num)
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static int get_lpt_node_type(const struct ubifs_info *c, uint8_t *buf,
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int *node_num)
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{
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uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
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int pos = 0, node_type;
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@ -1083,7 +1086,7 @@ static int get_lpt_node_type(struct ubifs_info *c, uint8_t *buf, int *node_num)
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*
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* This function returns %1 if the buffer contains a node or %0 if it does not.
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*/
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static int is_a_node(struct ubifs_info *c, uint8_t *buf, int len)
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static int is_a_node(const struct ubifs_info *c, uint8_t *buf, int len)
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{
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uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
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int pos = 0, node_type, node_len;
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@ -1107,7 +1110,6 @@ static int is_a_node(struct ubifs_info *c, uint8_t *buf, int len)
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return 1;
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}
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/**
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* lpt_gc_lnum - garbage collect a LPT LEB.
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* @c: UBIFS file-system description object
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|
|
@ -1724,6 +1726,7 @@ int dbg_chk_lpt_free_spc(struct ubifs_info *c)
|
|||
dbg_err("LPT space error: free %lld lpt_sz %lld",
|
||||
free, c->lpt_sz);
|
||||
dbg_dump_lpt_info(c);
|
||||
dbg_dump_lpt_lebs(c);
|
||||
dump_stack();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
|
@ -1808,6 +1811,7 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
|
|||
}
|
||||
if (err) {
|
||||
dbg_dump_lpt_info(c);
|
||||
dbg_dump_lpt_lebs(c);
|
||||
dump_stack();
|
||||
}
|
||||
d->chk_lpt_sz2 = d->chk_lpt_sz;
|
||||
|
|
@ -1825,4 +1829,121 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len)
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* dbg_dump_lpt_leb - dump an LPT LEB.
|
||||
* @c: UBIFS file-system description object
|
||||
* @lnum: LEB number to dump
|
||||
*
|
||||
* This function dumps an LEB from LPT area. Nodes in this area are very
|
||||
* different to nodes in the main area (e.g., they do not have common headers,
|
||||
* they do not have 8-byte alignments, etc), so we have a separate function to
|
||||
* dump LPT area LEBs. Note, LPT has to be locked by the coller.
|
||||
*/
|
||||
static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
|
||||
{
|
||||
int err, len = c->leb_size, node_type, node_num, node_len, offs;
|
||||
void *buf = c->dbg->buf;
|
||||
|
||||
printk(KERN_DEBUG "(pid %d) start dumping LEB %d\n",
|
||||
current->pid, lnum);
|
||||
err = ubi_read(c->ubi, lnum, buf, 0, c->leb_size);
|
||||
if (err) {
|
||||
ubifs_err("cannot read LEB %d, error %d", lnum, err);
|
||||
return;
|
||||
}
|
||||
while (1) {
|
||||
offs = c->leb_size - len;
|
||||
if (!is_a_node(c, buf, len)) {
|
||||
int pad_len;
|
||||
|
||||
pad_len = get_pad_len(c, buf, len);
|
||||
if (pad_len) {
|
||||
printk(KERN_DEBUG "LEB %d:%d, pad %d bytes\n",
|
||||
lnum, offs, pad_len);
|
||||
buf += pad_len;
|
||||
len -= pad_len;
|
||||
continue;
|
||||
}
|
||||
if (len)
|
||||
printk(KERN_DEBUG "LEB %d:%d, free %d bytes\n",
|
||||
lnum, offs, len);
|
||||
break;
|
||||
}
|
||||
|
||||
node_type = get_lpt_node_type(c, buf, &node_num);
|
||||
switch (node_type) {
|
||||
case UBIFS_LPT_PNODE:
|
||||
{
|
||||
node_len = c->pnode_sz;
|
||||
if (c->big_lpt)
|
||||
printk(KERN_DEBUG "LEB %d:%d, pnode num %d\n",
|
||||
lnum, offs, node_num);
|
||||
else
|
||||
printk(KERN_DEBUG "LEB %d:%d, pnode\n",
|
||||
lnum, offs);
|
||||
break;
|
||||
}
|
||||
case UBIFS_LPT_NNODE:
|
||||
{
|
||||
int i;
|
||||
struct ubifs_nnode nnode;
|
||||
|
||||
node_len = c->nnode_sz;
|
||||
if (c->big_lpt)
|
||||
printk(KERN_DEBUG "LEB %d:%d, nnode num %d, ",
|
||||
lnum, offs, node_num);
|
||||
else
|
||||
printk(KERN_DEBUG "LEB %d:%d, nnode, ",
|
||||
lnum, offs);
|
||||
err = ubifs_unpack_nnode(c, buf, &nnode);
|
||||
for (i = 0; i < UBIFS_LPT_FANOUT; i++) {
|
||||
printk("%d:%d", nnode.nbranch[i].lnum,
|
||||
nnode.nbranch[i].offs);
|
||||
if (i != UBIFS_LPT_FANOUT - 1)
|
||||
printk(", ");
|
||||
}
|
||||
printk("\n");
|
||||
break;
|
||||
}
|
||||
case UBIFS_LPT_LTAB:
|
||||
node_len = c->ltab_sz;
|
||||
printk(KERN_DEBUG "LEB %d:%d, ltab\n",
|
||||
lnum, offs);
|
||||
break;
|
||||
case UBIFS_LPT_LSAVE:
|
||||
node_len = c->lsave_sz;
|
||||
printk(KERN_DEBUG "LEB %d:%d, lsave len\n", lnum, offs);
|
||||
break;
|
||||
default:
|
||||
ubifs_err("LPT node type %d not recognized", node_type);
|
||||
return;
|
||||
}
|
||||
|
||||
buf += node_len;
|
||||
len -= node_len;
|
||||
}
|
||||
|
||||
printk(KERN_DEBUG "(pid %d) finish dumping LEB %d\n",
|
||||
current->pid, lnum);
|
||||
}
|
||||
|
||||
/**
|
||||
* dbg_dump_lpt_lebs - dump LPT lebs.
|
||||
* @c: UBIFS file-system description object
|
||||
*
|
||||
* This function dumps all LPT LEBs. The caller has to make sure the LPT is
|
||||
* locked.
|
||||
*/
|
||||
void dbg_dump_lpt_lebs(const struct ubifs_info *c)
|
||||
{
|
||||
int i;
|
||||
|
||||
printk(KERN_DEBUG "(pid %d) start dumping all LPT LEBs\n",
|
||||
current->pid);
|
||||
for (i = 0; i < c->lpt_lebs; i++)
|
||||
dump_lpt_leb(c, i + c->lpt_first);
|
||||
printk(KERN_DEBUG "(pid %d) finish dumping all LPT LEBs\n",
|
||||
current->pid);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_UBIFS_FS_DEBUG */
|
||||
|
|
|
|||
|
|
@ -1622,6 +1622,9 @@ void ubifs_add_lpt_dirt(struct ubifs_info *c, int lnum, int dirty);
|
|||
void ubifs_add_nnode_dirt(struct ubifs_info *c, struct ubifs_nnode *nnode);
|
||||
uint32_t ubifs_unpack_bits(uint8_t **addr, int *pos, int nrbits);
|
||||
struct ubifs_nnode *ubifs_first_nnode(struct ubifs_info *c, int *hght);
|
||||
/* Needed only in debugging code in lpt_commit.c */
|
||||
int ubifs_unpack_nnode(const struct ubifs_info *c, void *buf,
|
||||
struct ubifs_nnode *nnode);
|
||||
|
||||
/* lpt_commit.c */
|
||||
int ubifs_lpt_start_commit(struct ubifs_info *c);
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче