diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 87e55b024ac2..35acdab56a1c 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3061,7 +3061,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device ~BTRFS_FEATURE_INCOMPAT_SUPP; if (features) { btrfs_err(fs_info, - "cannot mount because of unsupported optional features (%llx)", + "cannot mount because of unsupported optional features (0x%llx)", features); err = -EINVAL; goto fail_alloc; @@ -3099,7 +3099,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device ~BTRFS_FEATURE_COMPAT_RO_SUPP; if (!sb_rdonly(sb) && features) { btrfs_err(fs_info, - "cannot mount read-write because of unsupported optional features (%llx)", + "cannot mount read-write because of unsupported optional features (0x%llx)", features); err = -EINVAL; goto fail_alloc;