1 files changed, 0 insertions, 24 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c368a45bc079..598897b0d661 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2762,7 +2762,6 @@ void btrfs_submit_data_read_bio(struct btrfs_inode *inode, struct bio *bio,
 			int mirror_num, enum btrfs_compression_type compress_type)
 {
 	struct btrfs_fs_info *fs_info = inode->root->fs_info;
-	blk_status_t ret;
 
 	if (compress_type != BTRFS_COMPRESS_NONE) {
 		/*
@@ -2773,16 +2772,6 @@ void btrfs_submit_data_read_bio(struct btrfs_inode *inode, struct bio *bio,
 		return;
 	}
 
-	/*
-	 * Lookup bio sums does extra checks around whether we need to csum or
-	 * not, which is why we ignore skip_sum here.
-	 */
-	ret = btrfs_lookup_bio_sums(btrfs_bio(bio));
-	if (ret) {
-		btrfs_bio_end_io(btrfs_bio(bio), ret);
-		return;
-	}
-
 	btrfs_submit_bio(fs_info, bio, mirror_num);
 }
 
@@ -8004,12 +7993,6 @@ static void btrfs_submit_dio_bio(struct bio *bio, struct btrfs_inode *inode,
 			btrfs_bio_end_io(btrfs_bio(bio), ret);
 			return;
 		}
-	} else {
-		ret = btrfs_lookup_bio_sums(btrfs_bio(bio));
-		if (ret) {
-			btrfs_bio_end_io(btrfs_bio(bio), ret);
-			return;
-		}
 	}
 map:
 	btrfs_submit_bio(fs_info, bio, 0);
@@ -10269,13 +10252,6 @@ static blk_status_t submit_encoded_read_bio(struct btrfs_inode *inode,
 {
 	struct btrfs_encoded_read_private *priv = btrfs_bio(bio)->private;
 	struct btrfs_fs_info *fs_info = inode->root->fs_info;
-	blk_status_t ret;
-
-	if (!priv->skip_csum) {
-		ret = btrfs_lookup_bio_sums(btrfs_bio(bio));
-		if (ret)
-			return ret;
-	}
 
 	atomic_inc(&priv->pending);
 	btrfs_submit_bio(fs_info, bio, mirror_num);