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Diffstat (limited to 'include/linux/jbd.h')
-rw-r--r--include/linux/jbd.h39
1 files changed, 16 insertions, 23 deletions
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 45273755126..16e7ed855a1 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -30,6 +30,7 @@
#include <linux/bit_spinlock.h>
#include <linux/mutex.h>
#include <linux/timer.h>
+#include <linux/lockdep.h>
#include <asm/semaphore.h>
#endif
@@ -57,7 +58,7 @@
* CONFIG_JBD_DEBUG is on.
*/
#define JBD_EXPENSIVE_CHECKING
-extern int journal_enable_debug;
+extern u8 journal_enable_debug;
#define jbd_debug(n, f, a...) \
do { \
@@ -71,14 +72,15 @@ extern int journal_enable_debug;
#define jbd_debug(f, a...) /**/
#endif
-extern void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry);
-extern void * jbd_slab_alloc(size_t size, gfp_t flags);
-extern void jbd_slab_free(void *ptr, size_t size);
+static inline void *jbd_alloc(size_t size, gfp_t flags)
+{
+ return (void *)__get_free_pages(flags, get_order(size));
+}
-#define jbd_kmalloc(size, flags) \
- __jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry)
-#define jbd_rep_kmalloc(size, flags) \
- __jbd_kmalloc(__FUNCTION__, (size), (flags), 1)
+static inline void jbd_free(void *ptr, size_t size)
+{
+ free_pages((unsigned long)ptr, get_order(size));
+};
#define JFS_MIN_JOURNAL_BLOCKS 1024
@@ -246,17 +248,7 @@ typedef struct journal_superblock_s
#include <linux/fs.h>
#include <linux/sched.h>
-#define JBD_ASSERTIONS
-#ifdef JBD_ASSERTIONS
-#define J_ASSERT(assert) \
-do { \
- if (!(assert)) { \
- printk (KERN_EMERG \
- "Assertion failure in %s() at %s:%d: \"%s\"\n", \
- __FUNCTION__, __FILE__, __LINE__, # assert); \
- BUG(); \
- } \
-} while (0)
+#define J_ASSERT(assert) BUG_ON(!(assert))
#if defined(CONFIG_BUFFER_DEBUG)
void buffer_assertion_failure(struct buffer_head *bh);
@@ -272,10 +264,6 @@ void buffer_assertion_failure(struct buffer_head *bh);
#define J_ASSERT_JH(jh, expr) J_ASSERT(expr)
#endif
-#else
-#define J_ASSERT(assert) do { } while (0)
-#endif /* JBD_ASSERTIONS */
-
#if defined(JBD_PARANOID_IOFAIL)
#define J_EXPECT(expr, why...) J_ASSERT(expr)
#define J_EXPECT_BH(bh, expr, why...) J_ASSERT_BH(bh, expr)
@@ -371,6 +359,7 @@ struct jbd_revoke_table_s;
* @h_sync: flag for sync-on-close
* @h_jdata: flag to force data journaling
* @h_aborted: flag indicating fatal error on handle
+ * @h_lockdep_map: lockdep info for debugging lock problems
**/
/* Docbook can't yet cope with the bit fields, but will leave the documentation
@@ -396,6 +385,10 @@ struct handle_s
unsigned int h_sync: 1; /* sync-on-close */
unsigned int h_jdata: 1; /* force data journaling */
unsigned int h_aborted: 1; /* fatal error on handle */
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+ struct lockdep_map h_lockdep_map;
+#endif
};