btrfs: return void in functions without error conditions
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 5e178d8..272f911 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -208,7 +208,7 @@
* take a spinning write lock. This will wait for both
* blocking readers or writers
*/
-int btrfs_tree_lock(struct extent_buffer *eb)
+void btrfs_tree_lock(struct extent_buffer *eb)
{
again:
wait_event(eb->read_lock_wq, atomic_read(&eb->blocking_readers) == 0);
@@ -230,13 +230,12 @@
atomic_inc(&eb->spinning_writers);
atomic_inc(&eb->write_locks);
eb->lock_owner = current->pid;
- return 0;
}
/*
* drop a spinning or a blocking write lock.
*/
-int btrfs_tree_unlock(struct extent_buffer *eb)
+void btrfs_tree_unlock(struct extent_buffer *eb)
{
int blockers = atomic_read(&eb->blocking_writers);
@@ -255,7 +254,6 @@
atomic_dec(&eb->spinning_writers);
write_unlock(&eb->lock);
}
- return 0;
}
void btrfs_assert_tree_locked(struct extent_buffer *eb)