jbd2: JBD_XXX to JBD2_XXX naming cleanup

change JBD_XXX macros to JBD2_XXX in JBD2/Ext4

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

3 files changed, 20 insertions, 19 deletions

diff --git a/include/linux/ext4_jbd2.h b/include/linux/ext4_jbd2.h
index d716e6392cf6..38c71d3c8dbf 100644
--- a/include/linux/ext4_jbd2.h
+++ b/include/linux/ext4_jbd2.h
@@ -12,8 +12,8 @@
  * Ext4-specific journaling extensions.
  */
 
-#ifndef _LINUX_EXT4_JBD_H
-#define _LINUX_EXT4_JBD_H
+#ifndef _LINUX_EXT4_JBD2_H
+#define _LINUX_EXT4_JBD2_H
 
 #include <linux/fs.h>
 #include <linux/jbd2.h>
@@ -228,4 +228,4 @@ static inline int ext4_should_writeback_data(struct inode *inode)
         return 0;
 }
 
-#endif  /* _LINUX_EXT4_JBD_H */
+#endif  /* _LINUX_EXT4_JBD2_H */
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 5f8b876c6677..06ef11457051 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -13,8 +13,8 @@
  * filesystem journaling support.
  */
 
-#ifndef _LINUX_JBD_H
-#define _LINUX_JBD_H
+#ifndef _LINUX_JBD2_H
+#define _LINUX_JBD2_H
 
 /* Allow this file to be included directly into e2fsprogs */
 #ifndef __KERNEL__
@@ -37,26 +37,26 @@
 #define journal_oom_retry 1
 
 /*
- * Define JBD_PARANIOD_IOFAIL to cause a kernel BUG() if ext3 finds
+ * Define JBD2_PARANIOD_IOFAIL to cause a kernel BUG() if ext4 finds
  * certain classes of error which can occur due to failed IOs.  Under
- * normal use we want ext3 to continue after such errors, because
+ * normal use we want ext4 to continue after such errors, because
  * hardware _can_ fail, but for debugging purposes when running tests on
  * known-good hardware we may want to trap these errors.
  */
-#undef JBD_PARANOID_IOFAIL
+#undef JBD2_PARANOID_IOFAIL
 
 /*
  * The default maximum commit age, in seconds.
  */
-#define JBD_DEFAULT_MAX_COMMIT_AGE 5
+#define JBD2_DEFAULT_MAX_COMMIT_AGE 5
 
 #ifdef CONFIG_JBD2_DEBUG
 /*
- * Define JBD_EXPENSIVE_CHECKING to enable more expensive internal
+ * Define JBD2_EXPENSIVE_CHECKING to enable more expensive internal
  * consistency checks.  By default we don't do this unless
  * CONFIG_JBD2_DEBUG is on.
  */
-#define JBD_EXPENSIVE_CHECKING
+#define JBD2_EXPENSIVE_CHECKING
 extern u8 jbd2_journal_enable_debug;
 
 #define jbd_debug(n, f, a...)                                           \
@@ -163,8 +163,8 @@ typedef struct journal_block_tag_s
         __be32          t_blocknr_high; /* most-significant high 32bits. */
 } journal_block_tag_t;
 
-#define JBD_TAG_SIZE32 (offsetof(journal_block_tag_t, t_blocknr_high))
-#define JBD_TAG_SIZE64 (sizeof(journal_block_tag_t))
+#define JBD2_TAG_SIZE32 (offsetof(journal_block_tag_t, t_blocknr_high))
+#define JBD2_TAG_SIZE64 (sizeof(journal_block_tag_t))
 
 /*
  * The revoke descriptor: used on disk to describe a series of blocks to
@@ -256,8 +256,8 @@ typedef struct journal_superblock_s
 #include <linux/fs.h>
 #include <linux/sched.h>
 
-#define JBD_ASSERTIONS
-#ifdef JBD_ASSERTIONS
+#define JBD2_ASSERTIONS
+#ifdef JBD2_ASSERTIONS
 #define J_ASSERT(assert)                                                \
 do {                                                                    \
         if (!(assert)) {                                                \
@@ -284,9 +284,9 @@ void buffer_assertion_failure(struct buffer_head *bh);
 
 #else
 #define J_ASSERT(assert)        do { } while (0)
-#endif          /* JBD_ASSERTIONS */
+#endif          /* JBD2_ASSERTIONS */
 
-#if defined(JBD_PARANOID_IOFAIL)
+#if defined(JBD2_PARANOID_IOFAIL)
 #define J_EXPECT(expr, why...)          J_ASSERT(expr)
 #define J_EXPECT_BH(bh, expr, why...)   J_ASSERT_BH(bh, expr)
 #define J_EXPECT_JH(jh, expr, why...)   J_ASSERT_JH(jh, expr)
@@ -1104,4 +1104,4 @@ extern int jbd_blocks_per_page(struct inode *inode);
 
 #endif  /* __KERNEL__ */
 
-#endif  /* _LINUX_JBD_H */
+#endif  /* _LINUX_JBD2_H */
diff --git a/include/linux/poison.h b/include/linux/poison.h
index d93c300a3449..a9c31be7052c 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -36,7 +36,8 @@
  */
 
 /********** fs/jbd/journal.c **********/
-#define JBD_POISON_FREE 0x5b
+#define JBD_POISON_FREE         0x5b
+#define JBD2_POISON_FREE        0x5c
 
 /********** drivers/base/dmapool.c **********/
 #define POOL_POISON_FREED       0xa7    /* !inuse */