[PATCH 1/9] btrfs: separate out the extent leak code

[Josef Bacik <josef@xxxxxxxxxxxxxx>]

We check both extent buffer and extent state leaks in the same function,
separate these two functions out so we can move them around.

Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
---
 fs/btrfs/extent_io.c | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 4dc5e6939856..8db378fa14da 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -60,11 +60,24 @@ void btrfs_leak_debug_del(struct list_head *entry)
 }
 
 static inline
-void btrfs_leak_debug_check(void)
+void btrfs_extent_buffer_leak_debug_check(void)
 {
-	struct extent_state *state;
 	struct extent_buffer *eb;
 
+	while (!list_empty(&buffers)) {
+		eb = list_entry(buffers.next, struct extent_buffer, leak_list);
+		pr_err("BTRFS: buffer leak start %llu len %lu refs %d bflags %lu\n",
+		       eb->start, eb->len, atomic_read(&eb->refs), eb->bflags);
+		list_del(&eb->leak_list);
+		kmem_cache_free(extent_buffer_cache, eb);
+	}
+}
+
+static inline
+void btrfs_extent_state_leak_debug_check(void)
+{
+	struct extent_state *state;
+
 	while (!list_empty(&states)) {
 		state = list_entry(states.next, struct extent_state, leak_list);
 		pr_err("BTRFS: state leak: start %llu end %llu state %u in tree %d refs %d\n",
@@ -74,14 +87,6 @@ void btrfs_leak_debug_check(void)
 		list_del(&state->leak_list);
 		kmem_cache_free(extent_state_cache, state);
 	}
-
-	while (!list_empty(&buffers)) {
-		eb = list_entry(buffers.next, struct extent_buffer, leak_list);
-		pr_err("BTRFS: buffer leak start %llu len %lu refs %d bflags %lu\n",
-		       eb->start, eb->len, atomic_read(&eb->refs), eb->bflags);
-		list_del(&eb->leak_list);
-		kmem_cache_free(extent_buffer_cache, eb);
-	}
 }
 
 #define btrfs_debug_check_extent_io_range(tree, start, end)		\
@@ -105,7 +110,8 @@ static inline void __btrfs_debug_check_extent_io_range(const char *caller,
 #else
 #define btrfs_leak_debug_add(new, head)	do {} while (0)
 #define btrfs_leak_debug_del(entry)	do {} while (0)
-#define btrfs_leak_debug_check()	do {} while (0)
+#define btrfs_extent_buffer_leak_debug_check()	do {} while (0)
+#define btrfs_extent_state_leak_debug_check()	do {} while (0)
 #define btrfs_debug_check_extent_io_range(c, s, e)	do {} while (0)
 #endif
 
@@ -235,7 +241,8 @@ int __init extent_io_init(void)
 
 void __cold extent_io_exit(void)
 {
-	btrfs_leak_debug_check();
+	btrfs_extent_buffer_leak_debug_check();
+	btrfs_extent_state_leak_debug_check();
 
 	/*
 	 * Make sure all delayed rcu free are flushed before we
-- 
2.21.0