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Diffstat (limited to 'fs/ubifs/debug.c')
-rw-r--r--fs/ubifs/debug.c90
1 files changed, 46 insertions, 44 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index b09ba2d..f922cba 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -38,9 +38,6 @@
DEFINE_SPINLOCK(dbg_lock);
-static char dbg_key_buf0[128];
-static char dbg_key_buf1[128];
-
static const char *get_key_fmt(int fmt)
{
switch (fmt) {
@@ -103,8 +100,8 @@ static const char *get_dent_type(int type)
}
}
-static void sprintf_key(const struct ubifs_info *c, const union ubifs_key *key,
- char *buffer)
+const char *dbg_snprintf_key(const struct ubifs_info *c,
+ const union ubifs_key *key, char *buffer, int len)
{
char *p = buffer;
int type = key_type(c, key);
@@ -112,45 +109,34 @@ static void sprintf_key(const struct ubifs_info *c, const union ubifs_key *key,
if (c->key_fmt == UBIFS_SIMPLE_KEY_FMT) {
switch (type) {
case UBIFS_INO_KEY:
- sprintf(p, "(%lu, %s)", (unsigned long)key_inum(c, key),
- get_key_type(type));
+ len -= snprintf(p, len, "(%lu, %s)",
+ (unsigned long)key_inum(c, key),
+ get_key_type(type));
break;
case UBIFS_DENT_KEY:
case UBIFS_XENT_KEY:
- sprintf(p, "(%lu, %s, %#08x)",
- (unsigned long)key_inum(c, key),
- get_key_type(type), key_hash(c, key));
+ len -= snprintf(p, len, "(%lu, %s, %#08x)",
+ (unsigned long)key_inum(c, key),
+ get_key_type(type), key_hash(c, key));
break;
case UBIFS_DATA_KEY:
- sprintf(p, "(%lu, %s, %u)",
- (unsigned long)key_inum(c, key),
- get_key_type(type), key_block(c, key));
+ len -= snprintf(p, len, "(%lu, %s, %u)",
+ (unsigned long)key_inum(c, key),
+ get_key_type(type), key_block(c, key));
break;
case UBIFS_TRUN_KEY:
- sprintf(p, "(%lu, %s)",
- (unsigned long)key_inum(c, key),
- get_key_type(type));
+ len -= snprintf(p, len, "(%lu, %s)",
+ (unsigned long)key_inum(c, key),
+ get_key_type(type));
break;
default:
- sprintf(p, "(bad key type: %#08x, %#08x)",
- key->u32[0], key->u32[1]);
+ len -= snprintf(p, len, "(bad key type: %#08x, %#08x)",
+ key->u32[0], key->u32[1]);
}
} else
- sprintf(p, "bad key format %d", c->key_fmt);
-}
-
-const char *dbg_key_str0(const struct ubifs_info *c, const union ubifs_key *key)
-{
- /* dbg_lock must be held */
- sprintf_key(c, key, dbg_key_buf0);
- return dbg_key_buf0;
-}
-
-const char *dbg_key_str1(const struct ubifs_info *c, const union ubifs_key *key)
-{
- /* dbg_lock must be held */
- sprintf_key(c, key, dbg_key_buf1);
- return dbg_key_buf1;
+ len -= snprintf(p, len, "bad key format %d", c->key_fmt);
+ ubifs_assert(len > 0);
+ return p;
}
const char *dbg_ntype(int type)
@@ -319,6 +305,7 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
int i, n;
union ubifs_key key;
const struct ubifs_ch *ch = node;
+ char key_buf[DBG_KEY_BUF_LEN];
if (dbg_is_tst_rcvry(c))
return;
@@ -474,7 +461,8 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
const struct ubifs_ino_node *ino = node;
key_read(c, &ino->key, &key);
- printk(KERN_DEBUG "\tkey %s\n", DBGKEY(&key));
+ printk(KERN_DEBUG "\tkey %s\n",
+ dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
printk(KERN_DEBUG "\tcreat_sqnum %llu\n",
(unsigned long long)le64_to_cpu(ino->creat_sqnum));
printk(KERN_DEBUG "\tsize %llu\n",
@@ -517,7 +505,8 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
int nlen = le16_to_cpu(dent->nlen);
key_read(c, &dent->key, &key);
- printk(KERN_DEBUG "\tkey %s\n", DBGKEY(&key));
+ printk(KERN_DEBUG "\tkey %s\n",
+ dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
printk(KERN_DEBUG "\tinum %llu\n",
(unsigned long long)le64_to_cpu(dent->inum));
printk(KERN_DEBUG "\ttype %d\n", (int)dent->type);
@@ -541,7 +530,8 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
int dlen = le32_to_cpu(ch->len) - UBIFS_DATA_NODE_SZ;
key_read(c, &dn->key, &key);
- printk(KERN_DEBUG "\tkey %s\n", DBGKEY(&key));
+ printk(KERN_DEBUG "\tkey %s\n",
+ dbg_snprintf_key(c, &key, key_buf, DBG_KEY_BUF_LEN));
printk(KERN_DEBUG "\tsize %u\n",
le32_to_cpu(dn->size));
printk(KERN_DEBUG "\tcompr_typ %d\n",
@@ -582,7 +572,9 @@ void dbg_dump_node(const struct ubifs_info *c, const void *node)
key_read(c, &br->key, &key);
printk(KERN_DEBUG "\t%d: LEB %d:%d len %d key %s\n",
i, le32_to_cpu(br->lnum), le32_to_cpu(br->offs),
- le32_to_cpu(br->len), DBGKEY(&key));
+ le32_to_cpu(br->len),
+ dbg_snprintf_key(c, &key, key_buf,
+ DBG_KEY_BUF_LEN));
}
break;
}
@@ -934,6 +926,7 @@ void dbg_dump_znode(const struct ubifs_info *c,
{
int n;
const struct ubifs_zbranch *zbr;
+ char key_buf[DBG_KEY_BUF_LEN];
spin_lock(&dbg_lock);
if (znode->parent)
@@ -958,12 +951,16 @@ void dbg_dump_znode(const struct ubifs_info *c,
printk(KERN_DEBUG "\t%d: znode %p LEB %d:%d len %d key "
"%s\n", n, zbr->znode, zbr->lnum,
zbr->offs, zbr->len,
- DBGKEY(&zbr->key));
+ dbg_snprintf_key(c, &zbr->key,
+ key_buf,
+ DBG_KEY_BUF_LEN));
else
printk(KERN_DEBUG "\t%d: LNC %p LEB %d:%d len %d key "
"%s\n", n, zbr->znode, zbr->lnum,
zbr->offs, zbr->len,
- DBGKEY(&zbr->key));
+ dbg_snprintf_key(c, &zbr->key,
+ key_buf,
+ DBG_KEY_BUF_LEN));
}
spin_unlock(&dbg_lock);
}
@@ -1260,6 +1257,7 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
int err, nlen1, nlen2, cmp;
struct ubifs_dent_node *dent1, *dent2;
union ubifs_key key;
+ char key_buf[DBG_KEY_BUF_LEN];
ubifs_assert(!keys_cmp(c, &zbr1->key, &zbr2->key));
dent1 = kmalloc(UBIFS_MAX_DENT_NODE_SZ, GFP_NOFS);
@@ -1290,9 +1288,11 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
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, DBGKEY(&key));
+ zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
+ DBG_KEY_BUF_LEN));
dbg_err("but it should have key %s according to tnc",
- DBGKEY(&zbr1->key));
+ dbg_snprintf_key(c, &zbr1->key, key_buf,
+ DBG_KEY_BUF_LEN));
dbg_dump_node(c, dent1);
goto out_free;
}
@@ -1300,9 +1300,11 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
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, DBGKEY(&key));
+ zbr1->offs, dbg_snprintf_key(c, &key, key_buf,
+ DBG_KEY_BUF_LEN));
dbg_err("but it should have key %s according to tnc",
- DBGKEY(&zbr2->key));
+ dbg_snprintf_key(c, &zbr2->key, key_buf,
+ DBG_KEY_BUF_LEN));
dbg_dump_node(c, dent2);
goto out_free;
}
@@ -1319,7 +1321,7 @@ static int dbg_check_key_order(struct ubifs_info *c, struct ubifs_zbranch *zbr1,
dbg_err("2 xent/dent nodes with the same name");
else
dbg_err("bad order of colliding key %s",
- DBGKEY(&key));
+ 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);
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