jbd2: Fix CONFIG_JBD_DEBUG ifdef to be CONFIG_JBD2_DEBUG

When the JBD code was forked to create the new JBD2 code base, the
references to CONFIG_JBD_DEBUG where never changed to
CONFIG_JBD2_DEBUG.  This patch fixes that.
Signed-off-by: Jose R. Santos <jrs@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

fs/ext4/balloc.c

@@ -517,7 +517,7 @@ void ext4_free_blocks_sb(handle_t *handle, struct super_block *sb,
 		/*
 		 * An HJ special.  This is expensive...
 		 */
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 		jbd_unlock_bh_state(bitmap_bh);
 		{
 			struct buffer_head *debug_bh;
@@ -1597,7 +1597,7 @@ ext4_fsblk_t ext4_new_blocks(handle_t *handle, struct inode *inode,
 
 	performed_allocation = 1;
 
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 	{
 		struct buffer_head *debug_bh;
 

fs/ext4/ioctl.c

@@ -141,7 +141,7 @@ int ext4_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
 		ext4_journal_stop(handle);
 		return err;
 	}
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 	case EXT4_IOC_WAIT_FOR_READONLY:
 		/*
 		 * This is racy - by the time we're woken up and running,
@@ -283,7 +283,7 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case EXT4_IOC32_SETVERSION_OLD:
 		cmd = EXT4_IOC_SETVERSION_OLD;
 		break;
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 	case EXT4_IOC32_WAIT_FOR_READONLY:
 		cmd = EXT4_IOC_WAIT_FOR_READONLY;
 		break;

fs/jbd2/journal.c

@@ -528,7 +528,7 @@ int jbd2_log_wait_commit(journal_t *journal, tid_t tid)
 {
 	int err = 0;
 
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 	spin_lock(&journal->j_state_lock);
 	if (!tid_geq(journal->j_commit_request, tid)) {
 		printk(KERN_EMERG
@@ -1709,7 +1709,7 @@ void jbd2_slab_free(void *ptr,  size_t size)
  * Journal_head storage management
  */
 static struct kmem_cache *jbd2_journal_head_cache;
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 static atomic_t nr_journal_heads = ATOMIC_INIT(0);
 #endif
 
@@ -1747,7 +1747,7 @@ static struct journal_head *journal_alloc_journal_head(void)
 	struct journal_head *ret;
 	static unsigned long last_warning;
 
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 	atomic_inc(&nr_journal_heads);
 #endif
 	ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);
@@ -1768,7 +1768,7 @@ static struct journal_head *journal_alloc_journal_head(void)
 
 static void journal_free_journal_head(struct journal_head *jh)
 {
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 	atomic_dec(&nr_journal_heads);
 	memset(jh, JBD_POISON_FREE, sizeof(*jh));
 #endif
@@ -1953,12 +1953,12 @@ void jbd2_journal_put_journal_head(struct journal_head *jh)
 /*
  * /proc tunables
  */
-#if defined(CONFIG_JBD_DEBUG)
+#if defined(CONFIG_JBD2_DEBUG)
 int jbd2_journal_enable_debug;
 EXPORT_SYMBOL(jbd2_journal_enable_debug);
 #endif
 
-#if defined(CONFIG_JBD_DEBUG) && defined(CONFIG_PROC_FS)
+#if defined(CONFIG_JBD2_DEBUG) && defined(CONFIG_PROC_FS)
 
 static struct proc_dir_entry *proc_jbd_debug;
 
@@ -2073,7 +2073,7 @@ static int __init journal_init(void)
 
 static void __exit journal_exit(void)
 {
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 	int n = atomic_read(&nr_journal_heads);
 	if (n)
 		printk(KERN_EMERG "JBD: leaked %d journal_heads!\n", n);

fs/jbd2/recovery.c

@@ -295,7 +295,7 @@ int jbd2_journal_skip_recovery(journal_t *journal)
 		printk(KERN_ERR "JBD: error %d scanning journal\n", err);
 		++journal->j_transaction_sequence;
 	} else {
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 		int dropped = info.end_transaction - be32_to_cpu(sb->s_sequence);
 #endif
 		jbd_debug(0,

include/linux/ext4_fs.h

@@ -243,7 +243,7 @@ struct ext4_new_group_data {
 #define EXT4_IOC_GROUP_ADD		_IOW('f', 8,struct ext4_new_group_input)
 #define	EXT4_IOC_GETVERSION_OLD		FS_IOC_GETVERSION
 #define	EXT4_IOC_SETVERSION_OLD		FS_IOC_SETVERSION
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 #define EXT4_IOC_WAIT_FOR_READONLY	_IOR('f', 99, long)
 #endif
 #define EXT4_IOC_GETRSVSZ		_IOR('f', 5, long)
@@ -259,7 +259,7 @@ struct ext4_new_group_data {
 #define EXT4_IOC32_GETRSVSZ		_IOR('f', 5, int)
 #define EXT4_IOC32_SETRSVSZ		_IOW('f', 6, int)
 #define EXT4_IOC32_GROUP_EXTEND		_IOW('f', 7, unsigned int)
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 #define EXT4_IOC32_WAIT_FOR_READONLY	_IOR('f', 99, int)
 #endif
 #define EXT4_IOC32_GETVERSION_OLD	FS_IOC32_GETVERSION

include/linux/ext4_fs_sb.h

@@ -73,7 +73,7 @@ struct ext4_sb_info {
 	struct list_head s_orphan;
 	unsigned long s_commit_interval;
 	struct block_device *journal_bdev;
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 	struct timer_list turn_ro_timer;	/* For turning read-only (crash simulation) */
 	wait_queue_head_t ro_wait_queue;	/* For people waiting for the fs to go read-only */
 #endif

include/linux/jbd2.h

@@ -50,11 +50,11 @@
  */
 #define JBD_DEFAULT_MAX_COMMIT_AGE 5
 
-#ifdef CONFIG_JBD_DEBUG
+#ifdef CONFIG_JBD2_DEBUG
 /*
  * Define JBD_EXPENSIVE_CHECKING to enable more expensive internal
  * consistency checks.  By default we don't do this unless
- * CONFIG_JBD_DEBUG is on.
+ * CONFIG_JBD2_DEBUG is on.
  */
 #define JBD_EXPENSIVE_CHECKING
 extern int jbd2_journal_enable_debug;