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-rw-r--r--fs/ubifs/debug.c170
1 files changed, 87 insertions, 83 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 1934084e2088..92df3b081539 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -34,8 +34,6 @@
#include <linux/random.h>
#include "ubifs.h"
-#ifdef CONFIG_UBIFS_FS_DEBUG
-
static DEFINE_SPINLOCK(dbg_lock);
static const char *get_key_fmt(int fmt)
@@ -232,7 +230,7 @@ static void dump_ch(const struct ubifs_ch *ch)
printk(KERN_ERR "\tlen %u\n", le32_to_cpu(ch->len));
}
-void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode)
+void ubifs_dump_inode(struct ubifs_info *c, const struct inode *inode)
{
const struct ubifs_inode *ui = ubifs_inode(inode);
struct qstr nm = { .name = NULL };
@@ -300,7 +298,7 @@ void dbg_dump_inode(struct ubifs_info *c, const struct inode *inode)
kfree(pdent);
}
-void dbg_dump_node(const struct ubifs_info *c, const void *node)
+void ubifs_dump_node(const struct ubifs_info *c, const void *node)
{
int i, n;
union ubifs_key key;
@@ -603,7 +601,7 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
spin_unlock(&dbg_lock);
}
-void dbg_dump_budget_req(const struct ubifs_budget_req *req)
+void ubifs_dump_budget_req(const struct ubifs_budget_req *req)
{
spin_lock(&dbg_lock);
printk(KERN_ERR "Budgeting request: new_ino %d, dirtied_ino %d\n",
@@ -620,7 +618,7 @@ void dbg_dump_budget_req(const struct ubifs_budget_req *req)
spin_unlock(&dbg_lock);
}
-void dbg_dump_lstats(const struct ubifs_lp_stats *lst)
+void ubifs_dump_lstats(const struct ubifs_lp_stats *lst)
{
spin_lock(&dbg_lock);
printk(KERN_ERR "(pid %d) Lprops statistics: empty_lebs %d, "
@@ -634,7 +632,7 @@ void dbg_dump_lstats(const struct ubifs_lp_stats *lst)
spin_unlock(&dbg_lock);
}
-void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi)
+void ubifs_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi)
{
int i;
struct rb_node *rb;
@@ -707,7 +705,7 @@ out_unlock:
spin_unlock(&c->space_lock);
}
-void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp)
+void ubifs_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp)
{
int i, spc, dark = 0, dead = 0;
struct rb_node *rb;
@@ -801,7 +799,7 @@ void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp)
printk(KERN_CONT ")\n");
}
-void dbg_dump_lprops(struct ubifs_info *c)
+void ubifs_dump_lprops(struct ubifs_info *c)
{
int lnum, err;
struct ubifs_lprops lp;
@@ -810,20 +808,20 @@ void dbg_dump_lprops(struct ubifs_info *c)
printk(KERN_ERR "(pid %d) start dumping LEB properties\n",
current->pid);
ubifs_get_lp_stats(c, &lst);
- dbg_dump_lstats(&lst);
+ ubifs_dump_lstats(&lst);
for (lnum = c->main_first; lnum < c->leb_cnt; lnum++) {
err = ubifs_read_one_lp(c, lnum, &lp);
if (err)
ubifs_err("cannot read lprops for LEB %d", lnum);
- dbg_dump_lprop(c, &lp);
+ ubifs_dump_lprop(c, &lp);
}
printk(KERN_ERR "(pid %d) finish dumping LEB properties\n",
current->pid);
}
-void dbg_dump_lpt_info(struct ubifs_info *c)
+void ubifs_dump_lpt_info(struct ubifs_info *c)
{
int i;
@@ -862,8 +860,8 @@ void dbg_dump_lpt_info(struct ubifs_info *c)
spin_unlock(&dbg_lock);
}
-void dbg_dump_sleb(const struct ubifs_info *c,
- const struct ubifs_scan_leb *sleb, int offs)
+void ubifs_dump_sleb(const struct ubifs_info *c,
+ const struct ubifs_scan_leb *sleb, int offs)
{
struct ubifs_scan_node *snod;
@@ -874,11 +872,11 @@ void dbg_dump_sleb(const struct ubifs_info *c,
cond_resched();
printk(KERN_ERR "Dumping node at LEB %d:%d len %d\n", sleb->lnum,
snod->offs, snod->len);
- dbg_dump_node(c, snod->node);
+ ubifs_dump_node(c, snod->node);
}
}
-void dbg_dump_leb(const struct ubifs_info *c, int lnum)
+void ubifs_dump_leb(const struct ubifs_info *c, int lnum)
{
struct ubifs_scan_leb *sleb;
struct ubifs_scan_node *snod;
@@ -909,7 +907,7 @@ void dbg_dump_leb(const struct ubifs_info *c, int lnum)
cond_resched();
printk(KERN_ERR "Dumping node at LEB %d:%d len %d\n", lnum,
snod->offs, snod->len);
- dbg_dump_node(c, snod->node);
+ ubifs_dump_node(c, snod->node);
}
printk(KERN_ERR "(pid %d) finish dumping LEB %d\n",
@@ -921,8 +919,8 @@ out:
return;
}
-void dbg_dump_znode(const struct ubifs_info *c,
- const struct ubifs_znode *znode)
+void ubifs_dump_znode(const struct ubifs_info *c,
+ const struct ubifs_znode *znode)
{
int n;
const struct ubifs_zbranch *zbr;
@@ -965,7 +963,7 @@ void dbg_dump_znode(const struct ubifs_info *c,
spin_unlock(&dbg_lock);
}
-void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat)
+void ubifs_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat)
{
int i;
@@ -981,8 +979,8 @@ void dbg_dump_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat)
printk(KERN_ERR "(pid %d) finish dumping heap\n", current->pid);
}
-void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
- struct ubifs_nnode *parent, int iip)
+void ubifs_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
+ struct ubifs_nnode *parent, int iip)
{
int i;
@@ -999,7 +997,7 @@ void dbg_dump_pnode(struct ubifs_info *c, struct ubifs_pnode *pnode,
}
}
-void dbg_dump_tnc(struct ubifs_info *c)
+void ubifs_dump_tnc(struct ubifs_info *c)
{
struct ubifs_znode *znode;
int level;
@@ -1014,7 +1012,7 @@ void dbg_dump_tnc(struct ubifs_info *c)
level = znode->level;
printk(KERN_ERR "== Level %d ==\n", level);
}
- dbg_dump_znode(c, znode);
+ ubifs_dump_znode(c, znode);
znode = ubifs_tnc_levelorder_next(c->zroot.znode, znode);
}
printk(KERN_ERR "(pid %d) finish dumping TNC tree\n", current->pid);
@@ -1023,18 +1021,18 @@ void dbg_dump_tnc(struct ubifs_info *c)
static int dump_znode(struct ubifs_info *c, struct ubifs_znode *znode,
void *priv)
{
- dbg_dump_znode(c, znode);
+ ubifs_dump_znode(c, znode);
return 0;
}
/**
- * dbg_dump_index - dump the on-flash index.
+ * ubifs_dump_index - dump the on-flash index.
* @c: UBIFS file-system description object
*
- * This function dumps whole UBIFS indexing B-tree, unlike 'dbg_dump_tnc()'
+ * This function dumps whole UBIFS indexing B-tree, unlike 'ubifs_dump_tnc()'
* which dumps only in-memory znodes and does not read znodes which from flash.
*/
-void dbg_dump_index(struct ubifs_info *c)
+void ubifs_dump_index(struct ubifs_info *c)
{
dbg_walk_index(c, NULL, dump_znode, NULL);
}
@@ -1120,15 +1118,15 @@ int dbg_check_space_info(struct ubifs_info *c)
out:
ubifs_msg("saved lprops statistics dump");
- dbg_dump_lstats(&d->saved_lst);
+ ubifs_dump_lstats(&d->saved_lst);
ubifs_msg("saved budgeting info dump");
- dbg_dump_budg(c, &d->saved_bi);
+ ubifs_dump_budg(c, &d->saved_bi);
ubifs_msg("saved idx_gc_cnt %d", d->saved_idx_gc_cnt);
ubifs_msg("current lprops statistics dump");
ubifs_get_lp_stats(c, &lst);
- dbg_dump_lstats(&lst);
+ ubifs_dump_lstats(&lst);
ubifs_msg("current budgeting info dump");
- dbg_dump_budg(c, &c->bi);
+ ubifs_dump_budg(c, &c->bi);
dump_stack();
return -EINVAL;
}
@@ -1160,7 +1158,7 @@ int dbg_check_synced_i_size(const struct ubifs_info *c, struct inode *inode)
"is clean", ui->ui_size, ui->synced_i_size);
ubifs_err("i_ino %lu, i_mode %#x, i_size %lld", inode->i_ino,
inode->i_mode, i_size_read(inode));
- dbg_dump_stack();
+ dump_stack();
err = -EINVAL;
}
spin_unlock(&ui->ui_lock);
@@ -1223,14 +1221,14 @@ int dbg_check_dir(struct ubifs_info *c, const struct inode *dir)
"but calculated size is %llu", dir->i_ino,
(unsigned long long)i_size_read(dir),
(unsigned long long)size);
- dbg_dump_inode(c, dir);
+ ubifs_dump_inode(c, dir);
dump_stack();
return -EINVAL;
}
if (dir->i_nlink != nlink) {
ubifs_err("directory inode %lu has nlink %u, but calculated "
"nlink is %u", dir->i_ino, dir->i_nlink, nlink);
- dbg_dump_inode(c, dir);
+ ubifs_dump_inode(c, dir);
dump_stack();
return -EINVAL;
}
@@ -1287,25 +1285,25 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
err = 1;
key_read(c, &dent1->key, &key);
if (keys_cmp(c, &zbr1->key, &key)) {
- dbg_err("1st entry at %d:%d has key %s", zbr1->lnum,
- zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
- DBG_KEY_BUF_LEN));
- dbg_err("but it should have key %s according to tnc",
- dbg_snprintf_key(c, &zbr1->key, key_buf,
- DBG_KEY_BUF_LEN));
- dbg_dump_node(c, dent1);
+ ubifs_err("1st entry at %d:%d has key %s", zbr1->lnum,
+ zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
+ DBG_KEY_BUF_LEN));
+ ubifs_err("but it should have key %s according to tnc",
+ dbg_snprintf_key(c, &zbr1->key, key_buf,
+ DBG_KEY_BUF_LEN));
+ ubifs_dump_node(c, dent1);
goto out_free;
}
key_read(c, &dent2->key, &key);
if (keys_cmp(c, &zbr2->key, &key)) {
- dbg_err("2nd entry at %d:%d has key %s", zbr1->lnum,
- zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
- DBG_KEY_BUF_LEN));
- dbg_err("but it should have key %s according to tnc",
- dbg_snprintf_key(c, &zbr2->key, key_buf,
- DBG_KEY_BUF_LEN));
- dbg_dump_node(c, dent2);
+ ubifs_err("2nd entry at %d:%d has key %s", zbr1->lnum,
+ zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
+ DBG_KEY_BUF_LEN));
+ ubifs_err("but it should have key %s according to tnc",
+ dbg_snprintf_key(c, &zbr2->key, key_buf,
+ DBG_KEY_BUF_LEN));
+ ubifs_dump_node(c, dent2);
goto out_free;
}
@@ -1318,15 +1316,15 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
goto out_free;
}
if (cmp == 0 && nlen1 == nlen2)
- dbg_err("2 xent/dent nodes with the same name");
+ ubifs_err("2 xent/dent nodes with the same name");
else
- dbg_err("bad order of colliding key %s",
- dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
+ ubifs_err("bad order of colliding key %s",
+ dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
ubifs_msg("first node at %d:%d\n", zbr1->lnum, zbr1->offs);
- dbg_dump_node(c, dent1);
+ ubifs_dump_node(c, dent1);
ubifs_msg("second node at %d:%d\n", zbr2->lnum, zbr2->offs);
- dbg_dump_node(c, dent2);
+ ubifs_dump_node(c, dent2);
out_free:
kfree(dent2);
@@ -1529,10 +1527,10 @@ static int dbg_check_znode(struct ubifs_info *c, struct ubifs_zbranch *zbr)
out:
ubifs_err("failed, error %d", err);
ubifs_msg("dump of the znode");
- dbg_dump_znode(c, znode);
+ ubifs_dump_znode(c, znode);
if (zp) {
ubifs_msg("dump of the parent znode");
- dbg_dump_znode(c, zp);
+ ubifs_dump_znode(c, zp);
}
dump_stack();
return -EINVAL;
@@ -1599,9 +1597,9 @@ int dbg_check_tnc(struct ubifs_info *c, int extra)
return err;
if (err) {
ubifs_msg("first znode");
- dbg_dump_znode(c, prev);
+ ubifs_dump_znode(c, prev);
ubifs_msg("second znode");
- dbg_dump_znode(c, znode);
+ ubifs_dump_znode(c, znode);
return -EINVAL;
}
}
@@ -1690,7 +1688,7 @@ int dbg_walk_index(struct ubifs_info *c, dbg_leaf_callback leaf_cb,
if (err) {
ubifs_err("znode checking function returned "
"error %d", err);
- dbg_dump_znode(c, znode);
+ ubifs_dump_znode(c, znode);
goto out_dump;
}
}
@@ -1758,7 +1756,7 @@ out_dump:
else
zbr = &c->zroot;
ubifs_msg("dump of znode at LEB %d:%d", zbr->lnum, zbr->offs);
- dbg_dump_znode(c, znode);
+ ubifs_dump_znode(c, znode);
out_unlock:
mutex_unlock(&c->tnc_mutex);
return err;
@@ -2194,7 +2192,7 @@ out:
out_dump:
ubifs_msg("dump of node at LEB %d:%d", zbr->lnum, zbr->offs);
- dbg_dump_node(c, node);
+ ubifs_dump_node(c, node);
out_free:
kfree(node);
return err;
@@ -2352,7 +2350,7 @@ out_dump:
ubifs_msg("dump of the inode %lu sitting in LEB %d:%d",
(unsigned long)fscki->inum, zbr->lnum, zbr->offs);
- dbg_dump_node(c, ino);
+ ubifs_dump_node(c, ino);
kfree(ino);
return -EINVAL;
}
@@ -2423,12 +2421,12 @@ int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head)
if (sa->type != UBIFS_DATA_NODE) {
ubifs_err("bad node type %d", sa->type);
- dbg_dump_node(c, sa->node);
+ ubifs_dump_node(c, sa->node);
return -EINVAL;
}
if (sb->type != UBIFS_DATA_NODE) {
ubifs_err("bad node type %d", sb->type);
- dbg_dump_node(c, sb->node);
+ ubifs_dump_node(c, sb->node);
return -EINVAL;
}
@@ -2459,8 +2457,8 @@ int dbg_check_data_nodes_order(struct ubifs_info *c, struct list_head *head)
return 0;
error_dump:
- dbg_dump_node(c, sa->node);
- dbg_dump_node(c, sb->node);
+ ubifs_dump_node(c, sa->node);
+ ubifs_dump_node(c, sb->node);
return -EINVAL;
}
@@ -2491,13 +2489,13 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head)
if (sa->type != UBIFS_INO_NODE && sa->type != UBIFS_DENT_NODE &&
sa->type != UBIFS_XENT_NODE) {
ubifs_err("bad node type %d", sa->type);
- dbg_dump_node(c, sa->node);
+ ubifs_dump_node(c, sa->node);
return -EINVAL;
}
if (sa->type != UBIFS_INO_NODE && sa->type != UBIFS_DENT_NODE &&
sa->type != UBIFS_XENT_NODE) {
ubifs_err("bad node type %d", sb->type);
- dbg_dump_node(c, sb->node);
+ ubifs_dump_node(c, sb->node);
return -EINVAL;
}
@@ -2547,9 +2545,9 @@ int dbg_check_nondata_nodes_order(struct ubifs_info *c, struct list_head *head)
error_dump:
ubifs_msg("dumping first node");
- dbg_dump_node(c, sa->node);
+ ubifs_dump_node(c, sa->node);
ubifs_msg("dumping second node");
- dbg_dump_node(c, sb->node);
+ ubifs_dump_node(c, sb->node);
return -EINVAL;
return 0;
}
@@ -2678,7 +2676,7 @@ static void cut_data(const void *buf, unsigned int len)
}
int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf,
- int offs, int len, int dtype)
+ int offs, int len)
{
int err, failing;
@@ -2688,7 +2686,7 @@ int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf,
failing = power_cut_emulated(c, lnum, 1);
if (failing)
cut_data(buf, len);
- err = ubi_leb_write(c->ubi, lnum, buf, offs, len, dtype);
+ err = ubi_leb_write(c->ubi, lnum, buf, offs, len);
if (err)
return err;
if (failing)
@@ -2697,7 +2695,7 @@ int dbg_leb_write(struct ubifs_info *c, int lnum, const void *buf,
}
int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf,
- int len, int dtype)
+ int len)
{
int err;
@@ -2705,7 +2703,7 @@ int dbg_leb_change(struct ubifs_info *c, int lnum, const void *buf,
return -EROFS;
if (power_cut_emulated(c, lnum, 1))
return -EROFS;
- err = ubi_leb_change(c->ubi, lnum, buf, len, dtype);
+ err = ubi_leb_change(c->ubi, lnum, buf, len);
if (err)
return err;
if (power_cut_emulated(c, lnum, 1))
@@ -2729,7 +2727,7 @@ int dbg_leb_unmap(struct ubifs_info *c, int lnum)
return 0;
}
-int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype)
+int dbg_leb_map(struct ubifs_info *c, int lnum)
{
int err;
@@ -2737,7 +2735,7 @@ int dbg_leb_map(struct ubifs_info *c, int lnum, int dtype)
return -EROFS;
if (power_cut_emulated(c, lnum, 0))
return -EROFS;
- err = ubi_leb_map(c->ubi, lnum, dtype);
+ err = ubi_leb_map(c->ubi, lnum);
if (err)
return err;
if (power_cut_emulated(c, lnum, 0))
@@ -2857,16 +2855,16 @@ static ssize_t dfs_file_write(struct file *file, const char __user *u,
* 'ubifs-debug' file-system instead.
*/
if (file->f_path.dentry == d->dfs_dump_lprops) {
- dbg_dump_lprops(c);
+ ubifs_dump_lprops(c);
return count;
}
if (file->f_path.dentry == d->dfs_dump_budg) {
- dbg_dump_budg(c, &c->bi);
+ ubifs_dump_budg(c, &c->bi);
return count;
}
if (file->f_path.dentry == d->dfs_dump_tnc) {
mutex_lock(&c->tnc_mutex);
- dbg_dump_tnc(c);
+ ubifs_dump_tnc(c);
mutex_unlock(&c->tnc_mutex);
return count;
}
@@ -2920,6 +2918,9 @@ int dbg_debugfs_init_fs(struct ubifs_info *c)
struct dentry *dent;
struct ubifs_debug_info *d = c->dbg;
+ if (!IS_ENABLED(CONFIG_DEBUG_FS))
+ return 0;
+
n = snprintf(d->dfs_dir_name, UBIFS_DFS_DIR_LEN + 1, UBIFS_DFS_DIR_NAME,
c->vi.ubi_num, c->vi.vol_id);
if (n == UBIFS_DFS_DIR_LEN) {
@@ -3012,7 +3013,8 @@ out:
*/
void dbg_debugfs_exit_fs(struct ubifs_info *c)
{
- debugfs_remove_recursive(c->dbg->dfs_dir);
+ if (IS_ENABLED(CONFIG_DEBUG_FS))
+ debugfs_remove_recursive(c->dbg->dfs_dir);
}
struct ubifs_global_debug_info ubifs_dbg;
@@ -3097,6 +3099,9 @@ int dbg_debugfs_init(void)
const char *fname;
struct dentry *dent;
+ if (!IS_ENABLED(CONFIG_DEBUG_FS))
+ return 0;
+
fname = "ubifs";
dent = debugfs_create_dir(fname, NULL);
if (IS_ERR_OR_NULL(dent))
@@ -3161,7 +3166,8 @@ out:
*/
void dbg_debugfs_exit(void)
{
- debugfs_remove_recursive(dfs_rootdir);
+ if (IS_ENABLED(CONFIG_DEBUG_FS))
+ debugfs_remove_recursive(dfs_rootdir);
}
/**
@@ -3189,5 +3195,3 @@ void ubifs_debugging_exit(struct ubifs_info *c)
{
kfree(c->dbg);
}
-
-#endif /* CONFIG_UBIFS_FS_DEBUG */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.