1 files changed, 25 insertions, 24 deletions

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 260d6d76c5f3..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...)                                           \
@@ -71,14 +71,15 @@ extern u8 jbd2_journal_enable_debug;
 #define jbd_debug(f, a...)      /**/
 #endif
 
-extern void * __jbd2_kmalloc (const char *where, size_t size, gfp_t flags, int retry);
-extern void * jbd2_slab_alloc(size_t size, gfp_t flags);
-extern void jbd2_slab_free(void *ptr, size_t size);
+static inline void *jbd2_alloc(size_t size, gfp_t flags)
+{
+        return (void *)__get_free_pages(flags, get_order(size));
+}
 
-#define jbd_kmalloc(size, flags) \
-        __jbd2_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)
-#define jbd_rep_kmalloc(size, flags) \
-        __jbd2_kmalloc(__FUNCTION__, (size), (flags), 1)
+static inline void jbd2_free(void *ptr, size_t size)
+{
+        free_pages((unsigned long)ptr, get_order(size));
+};
 
 #define JBD2_MIN_JOURNAL_BLOCKS 1024
 
@@ -162,8 +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
@@ -255,8 +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)) {                                                \
@@ -283,9 +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)
@@ -959,12 +960,12 @@ void jbd2_journal_put_journal_head(struct journal_head *jh);
  */
 extern struct kmem_cache *jbd2_handle_cache;
 
-static inline handle_t *jbd_alloc_handle(gfp_t gfp_flags)
+static inline handle_t *jbd2_alloc_handle(gfp_t gfp_flags)
 {
         return kmem_cache_alloc(jbd2_handle_cache, gfp_flags);
 }
 
-static inline void jbd_free_handle(handle_t *handle)
+static inline void jbd2_free_handle(handle_t *handle)
 {
         kmem_cache_free(jbd2_handle_cache, handle);
 }
@@ -1103,4 +1104,4 @@ extern int jbd_blocks_per_page(struct inode *inode);
 
 #endif  /* __KERNEL__ */
 
-#endif  /* _LINUX_JBD_H */
+#endif  /* _LINUX_JBD2_H */