[PATCH 2/2] btrfs: Use reada_control pointer instead of void pointer

[Goldwyn Rodrigues <rgoldwyn@suse.de>]

From: Goldwyn Rodrigues <rgoldwyn@suse.com>

Since struct reada_control is defined in ctree.h,
Use struct reada_control pointer as a function argument for
btrfs_reada_wait() instead of a void pointer in order
to avoid type-casting within the function.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
---
 fs/btrfs/ctree.h | 2 +-
 fs/btrfs/reada.c | 6 ++----
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 2acbd8919611..8bf434a4f014 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3699,7 +3699,7 @@ struct reada_control {
 };
 struct reada_control *btrfs_reada_add(struct btrfs_root *root,
 			      struct btrfs_key *start, struct btrfs_key *end);
-int btrfs_reada_wait(void *handle);
+int btrfs_reada_wait(struct reada_control *rc);
 int btree_readahead_hook(struct extent_buffer *eb, int err);
 void btrfs_reada_remove_dev(struct btrfs_device *dev);
 void btrfs_reada_undo_remove_dev(struct btrfs_device *dev);
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 0d357f8b65bc..9bfa47cd3920 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -998,9 +998,8 @@ struct reada_control *btrfs_reada_add(struct btrfs_root *root,
 }
 
 #ifdef DEBUG
-int btrfs_reada_wait(void *handle)
+int btrfs_reada_wait(struct reada_control *rc)
 {
-	struct reada_control *rc = handle;
 	struct btrfs_fs_info *fs_info = rc->fs_info;
 
 	while (atomic_read(&rc->elems)) {
@@ -1018,9 +1017,8 @@ int btrfs_reada_wait(void *handle)
 	return 0;
 }
 #else
-int btrfs_reada_wait(void *handle)
+int btrfs_reada_wait(struct reada_control *rc)
 {
-	struct reada_control *rc = handle;
 	struct btrfs_fs_info *fs_info = rc->fs_info;
 
 	while (atomic_read(&rc->elems)) {
-- 
2.30.2