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authorChris Mason <chris.mason@oracle.com>2009-02-04 09:24:05 -0500
committerChris Mason <chris.mason@oracle.com>2009-02-04 09:24:05 -0500
commit3935127c50c84106d654ef14962cff28c660bc62 (patch)
tree1d277f316eb0134a4a76fa2b237a048a0d925911 /fs
parentb7a9f29fcf4e53e9ca7982331649fa2013e69c99 (diff)
downloadlinux-3935127c50c84106d654ef14962cff28c660bc62.tar.gz
Btrfs: disable leak debugging checks in extent_io.c
extent_io.c has debugging code to report and free leaked extent_state and extent_buffer objects at rmmod time. This helps track down leaks and it saves you from rebooting just to properly remove the kmem_cache object. But, the code runs under a fairly expensive spinlock and the checks to see if it is currently enabled are not entirely consistent. Some use #ifdef and some #if. This changes everything to #if and disables the leak checking. Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/extent_io.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index a3b0676403f..2ea7f052722 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -30,7 +30,7 @@ static LIST_HEAD(buffers);
static LIST_HEAD(states);
#define LEAK_DEBUG 0
-#ifdef LEAK_DEBUG
+#if LEAK_DEBUG
static DEFINE_SPINLOCK(leak_lock);
#endif
@@ -119,7 +119,7 @@ void extent_io_tree_init(struct extent_io_tree *tree,
static struct extent_state *alloc_extent_state(gfp_t mask)
{
struct extent_state *state;
-#ifdef LEAK_DEBUG
+#if LEAK_DEBUG
unsigned long flags;
#endif
@@ -129,7 +129,7 @@ static struct extent_state *alloc_extent_state(gfp_t mask)
state->state = 0;
state->private = 0;
state->tree = NULL;
-#ifdef LEAK_DEBUG
+#if LEAK_DEBUG
spin_lock_irqsave(&leak_lock, flags);
list_add(&state->leak_list, &states);
spin_unlock_irqrestore(&leak_lock, flags);
@@ -144,11 +144,11 @@ static void free_extent_state(struct extent_state *state)
if (!state)
return;
if (atomic_dec_and_test(&state->refs)) {
-#ifdef LEAK_DEBUG
+#if LEAK_DEBUG
unsigned long flags;
#endif
WARN_ON(state->tree);
-#ifdef LEAK_DEBUG
+#if LEAK_DEBUG
spin_lock_irqsave(&leak_lock, flags);
list_del(&state->leak_list);
spin_unlock_irqrestore(&leak_lock, flags);
@@ -2983,7 +2983,7 @@ static struct extent_buffer *__alloc_extent_buffer(struct extent_io_tree *tree,
gfp_t mask)
{
struct extent_buffer *eb = NULL;
-#ifdef LEAK_DEBUG
+#if LEAK_DEBUG
unsigned long flags;
#endif
@@ -2991,7 +2991,7 @@ static struct extent_buffer *__alloc_extent_buffer(struct extent_io_tree *tree,
eb->start = start;
eb->len = len;
mutex_init(&eb->mutex);
-#ifdef LEAK_DEBUG
+#if LEAK_DEBUG
spin_lock_irqsave(&leak_lock, flags);
list_add(&eb->leak_list, &buffers);
spin_unlock_irqrestore(&leak_lock, flags);
@@ -3003,7 +3003,7 @@ static struct extent_buffer *__alloc_extent_buffer(struct extent_io_tree *tree,
static void __free_extent_buffer(struct extent_buffer *eb)
{
-#ifdef LEAK_DEBUG
+#if LEAK_DEBUG
unsigned long flags;
spin_lock_irqsave(&leak_lock, flags);
list_del(&eb->leak_list);