diff --git a/kmod/src/Makefile.kernelcompat b/kmod/src/Makefile.kernelcompat
index 74079e66..849fa7df 100644
--- a/kmod/src/Makefile.kernelcompat
+++ b/kmod/src/Makefile.kernelcompat
@@ -547,6 +547,13 @@ ifneq (,$(shell grep -s 'define __assign_str.dst, src' \
 ccflags-y += -DKC_HAVE_ASSIGN_STR_PARMS
 endif
 
+#
+# v6.5-113-g615e95831ec3
+#
+ifneq (,$(shell grep 'generic_fillattr..*,.u32,' include/linux/fs.h))
+ccflags-y += -DKC_GENERIC_FILLATTR_REQUEST_MASK
+endif
+
 #
 # v6.6-rc4-53-gc42d50aefd17
 #
diff --git a/kmod/src/inode.c b/kmod/src/inode.c
index 6ee0861f..5f853fab 100644
--- a/kmod/src/inode.c
+++ b/kmod/src/inode.c
@@ -398,6 +398,7 @@ int scoutfs_getattr(KC_VFS_NS_DEF
 				 SCOUTFS_LKF_REFRESH_INODE, inode, &lock);
 	if (ret == 0) {
 		generic_fillattr(KC_VFS_INIT_NS
+				 KC_FILLATTR_REQUEST_MASK
 				 inode, stat);
 		scoutfs_unlock(sb, lock, SCOUTFS_LOCK_READ);
 	}
diff --git a/kmod/src/kernelcompat.h b/kmod/src/kernelcompat.h
index f0eb179f..6fe22ac5 100644
--- a/kmod/src/kernelcompat.h
+++ b/kmod/src/kernelcompat.h
@@ -310,6 +310,12 @@ typedef unsigned int blk_opf_t;
 #endif
 #endif /* KC_VFS_METHOD_MNT_IDMAP_ARG */
 
+#ifdef KC_GENERIC_FILLATTR_REQUEST_MASK
+#define KC_FILLATTR_REQUEST_MASK request_mask,
+#else
+#define KC_FILLATTR_REQUEST_MASK
+#endif
+
 #ifdef KC_BIO_ALLOC_DEV_OPF_ARGS
 #define kc_bio_alloc bio_alloc
 #else