[PATCH 1/1] ext4: JBD->JBD2 naming cleanups

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On Tue, 2007-07-10 at 16:30 -0700, Andrew Morton wrote:

> > Index: linux-2.6.22-rc4/include/linux/jbd2.h
> > ===================================================================
> > --- linux-2.6.22-rc4.orig/include/linux/jbd2.h	2007-06-11 16:16:18.000000000 -0700
> > +++ linux-2.6.22-rc4/include/linux/jbd2.h	2007-06-11 16:35:25.000000000 -0700
> > @@ -57,7 +57,7 @@
> >   * CONFIG_JBD2_DEBUG is on.
> >   */
> >  #define JBD_EXPENSIVE_CHECKING
> 
> JBD2?
> 

Some cleanups in ext4/JBD2 to follow the naming fules:change micros name
from JBD_XXX to JBD2_XXX.


Signed-off-by: Mingming Cao <cmm@xxxxxxxxxx>
---
 fs/ext4/extents.c         |    2 +-
 fs/ext4/super.c           |    2 +-
 fs/jbd2/commit.c          |    2 +-
 fs/jbd2/journal.c         |   26 +++++++++++++-------------
 fs/jbd2/recovery.c        |    2 +-
 fs/jbd2/revoke.c          |    4 ++--
 include/linux/ext4_jbd2.h |    6 +++---
 include/linux/jbd2.h      |   30 +++++++++++++++---------------
 8 files changed, 37 insertions(+), 37 deletions(-)

Index: linux-2.6.22/fs/ext4/super.c
===================================================================
--- linux-2.6.22.orig/fs/ext4/super.c	2007-07-13 17:17:29.000000000 -0700
+++ linux-2.6.22/fs/ext4/super.c	2007-07-13 17:17:33.000000000 -0700
@@ -967,7 +967,7 @@ static int parse_options (char *options,
 			if (option < 0)
 				return 0;
 			if (option == 0)
-				option = JBD_DEFAULT_MAX_COMMIT_AGE;
+				option = JBD2_DEFAULT_MAX_COMMIT_AGE;
 			sbi->s_commit_interval = HZ * option;
 			break;
 		case Opt_data_journal:
Index: linux-2.6.22/include/linux/ext4_jbd2.h
===================================================================
--- linux-2.6.22.orig/include/linux/ext4_jbd2.h	2007-07-13 17:02:08.000000000 -0700
+++ linux-2.6.22/include/linux/ext4_jbd2.h	2007-07-13 17:39:41.000000000 -0700
@@ -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_
 	return 0;
 }
 
-#endif	/* _LINUX_EXT4_JBD_H */
+#endif	/* _LINUX_EXT4_JBD2_H */
Index: linux-2.6.22/include/linux/jbd2.h
===================================================================
--- linux-2.6.22.orig/include/linux/jbd2.h	2007-07-13 17:17:28.000000000 -0700
+++ linux-2.6.22/include/linux/jbd2.h	2007-07-13 17:31:33.000000000 -0700
@@ -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...)						\
@@ -185,8 +185,8 @@ 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
@@ -282,8 +282,8 @@ 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)) {						\
@@ -310,9 +310,9 @@ void buffer_assertion_failure(struct buf
 
 #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)
@@ -1224,4 +1224,4 @@ extern int jbd_blocks_per_page(struct in
 
 #endif	/* __KERNEL__ */
 
-#endif	/* _LINUX_JBD_H */
+#endif	/* _LINUX_JBD2_H */
Index: linux-2.6.22/fs/jbd2/commit.c
===================================================================
--- linux-2.6.22.orig/fs/jbd2/commit.c	2007-07-13 17:20:12.000000000 -0700
+++ linux-2.6.22/fs/jbd2/commit.c	2007-07-13 17:20:39.000000000 -0700
@@ -356,7 +356,7 @@ static inline void write_tag_block(int t
 				   unsigned long long block)
 {
 	tag->t_blocknr = cpu_to_be32(block & (u32)~0);
-	if (tag_bytes > JBD_TAG_SIZE32)
+	if (tag_bytes > JBD2_TAG_SIZE32)
 		tag->t_blocknr_high = cpu_to_be32((block >> 31) >> 1);
 }
 
Index: linux-2.6.22/fs/jbd2/journal.c
===================================================================
--- linux-2.6.22.orig/fs/jbd2/journal.c	2007-07-13 17:20:56.000000000 -0700
+++ linux-2.6.22/fs/jbd2/journal.c	2007-07-13 17:21:45.000000000 -0700
@@ -974,7 +974,7 @@ static journal_t * journal_init_common (
 	spin_lock_init(&journal->j_list_lock);
 	spin_lock_init(&journal->j_state_lock);
 
-	journal->j_commit_interval = (HZ * JBD_DEFAULT_MAX_COMMIT_AGE);
+	journal->j_commit_interval = (HZ * JBD2_DEFAULT_MAX_COMMIT_AGE);
 
 	/* The journal is marked for error until we succeed with recovery! */
 	journal->j_flags = JBD2_ABORT;
@@ -1957,9 +1957,9 @@ int jbd2_journal_blocks_per_page(struct 
 size_t journal_tag_bytes(journal_t *journal)
 {
 	if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT))
-		return JBD_TAG_SIZE64;
+		return JBD2_TAG_SIZE64;
 	else
-		return JBD_TAG_SIZE32;
+		return JBD2_TAG_SIZE32;
 }
 
 /*
@@ -1979,11 +1979,11 @@ void * __jbd2_kmalloc (const char *where
  * cause bh to cross page boundary.
  */
 
-#define JBD_MAX_SLABS 5
-#define JBD_SLAB_INDEX(size)  (size >> 11)
+#define JBD2_MAX_SLABS 5
+#define JBD2_SLAB_INDEX(size)  (size >> 11)
 
-static struct kmem_cache *jbd_slab[JBD_MAX_SLABS];
-static const char *jbd_slab_names[JBD_MAX_SLABS] = {
+static struct kmem_cache *jbd_slab[JBD2_MAX_SLABS];
+static const char *jbd_slab_names[JBD2_MAX_SLABS] = {
 	"jbd2_1k", "jbd2_2k", "jbd2_4k", NULL, "jbd2_8k"
 };
 
@@ -1991,7 +1991,7 @@ static void jbd2_journal_destroy_jbd_sla
 {
 	int i;
 
-	for (i = 0; i < JBD_MAX_SLABS; i++) {
+	for (i = 0; i < JBD2_MAX_SLABS; i++) {
 		if (jbd_slab[i])
 			kmem_cache_destroy(jbd_slab[i]);
 		jbd_slab[i] = NULL;
@@ -2000,9 +2000,9 @@ static void jbd2_journal_destroy_jbd_sla
 
 static int jbd2_journal_create_jbd_slab(size_t slab_size)
 {
-	int i = JBD_SLAB_INDEX(slab_size);
+	int i = JBD2_SLAB_INDEX(slab_size);
 
-	BUG_ON(i >= JBD_MAX_SLABS);
+	BUG_ON(i >= JBD2_MAX_SLABS);
 
 	/*
 	 * Check if we already have a slab created for this size
@@ -2028,7 +2028,7 @@ void * jbd2_slab_alloc(size_t size, gfp_
 {
 	int idx;
 
-	idx = JBD_SLAB_INDEX(size);
+	idx = JBD2_SLAB_INDEX(size);
 	BUG_ON(jbd_slab[idx] == NULL);
 	return kmem_cache_alloc(jbd_slab[idx], flags | __GFP_NOFAIL);
 }
@@ -2037,7 +2037,7 @@ void jbd2_slab_free(void *ptr,  size_t s
 {
 	int idx;
 
-	idx = JBD_SLAB_INDEX(size);
+	idx = JBD2_SLAB_INDEX(size);
 	BUG_ON(jbd_slab[idx] == NULL);
 	kmem_cache_free(jbd_slab[idx], ptr);
 }
@@ -2107,7 +2107,7 @@ static void journal_free_journal_head(st
 {
 #ifdef CONFIG_JBD2_DEBUG
 	atomic_dec(&nr_journal_heads);
-	memset(jh, JBD_POISON_FREE, sizeof(*jh));
+	memset(jh, JBD2_POISON_FREE, sizeof(*jh));
 #endif
 	kmem_cache_free(jbd2_journal_head_cache, jh);
 }
Index: linux-2.6.22/fs/jbd2/recovery.c
===================================================================
--- linux-2.6.22.orig/fs/jbd2/recovery.c	2007-07-13 17:21:58.000000000 -0700
+++ linux-2.6.22/fs/jbd2/recovery.c	2007-07-13 17:22:08.000000000 -0700
@@ -312,7 +312,7 @@ int jbd2_journal_skip_recovery(journal_t
 static inline unsigned long long read_tag_block(int tag_bytes, journal_block_tag_t *tag)
 {
 	unsigned long long block = be32_to_cpu(tag->t_blocknr);
-	if (tag_bytes > JBD_TAG_SIZE32)
+	if (tag_bytes > JBD2_TAG_SIZE32)
 		block |= (u64)be32_to_cpu(tag->t_blocknr_high) << 32;
 	return block;
 }
Index: linux-2.6.22/fs/jbd2/revoke.c
===================================================================
--- linux-2.6.22.orig/fs/jbd2/revoke.c	2007-07-13 17:22:26.000000000 -0700
+++ linux-2.6.22/fs/jbd2/revoke.c	2007-07-13 17:22:42.000000000 -0700
@@ -351,7 +351,7 @@ int jbd2_journal_revoke(handle_t *handle
 		if (bh)
 			BUFFER_TRACE(bh, "found on hash");
 	}
-#ifdef JBD_EXPENSIVE_CHECKING
+#ifdef JBD2_EXPENSIVE_CHECKING
 	else {
 		struct buffer_head *bh2;
 
@@ -452,7 +452,7 @@ int jbd2_journal_cancel_revoke(handle_t 
 		}
 	}
 
-#ifdef JBD_EXPENSIVE_CHECKING
+#ifdef JBD2_EXPENSIVE_CHECKING
 	/* There better not be one left behind by now! */
 	record = find_revoke_record(journal, bh->b_blocknr);
 	J_ASSERT_JH(jh, record == NULL);
Index: linux-2.6.22/fs/ext4/extents.c
===================================================================
--- linux-2.6.22.orig/fs/ext4/extents.c	2007-07-13 17:59:00.000000000 -0700
+++ linux-2.6.22/fs/ext4/extents.c	2007-07-13 17:59:44.000000000 -0700
@@ -33,7 +33,7 @@
 #include <linux/fs.h>
 #include <linux/time.h>
 #include <linux/ext4_jbd2.h>
-#include <linux/jbd.h>
+#include <linux/jbd2.h>
 #include <linux/highuid.h>
 #include <linux/pagemap.h>
 #include <linux/quotaops.h>


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