diff --git a/config/kernel-revalidate-disk-size.m4 b/config/kernel-revalidate-disk-size.m4
index de1146c10..a7d0cb3cd 100644
--- a/config/kernel-revalidate-disk-size.m4
+++ b/config/kernel-revalidate-disk-size.m4
@@ -1,24 +1,46 @@
 dnl #
+dnl # 5.11 API change
+dnl # revalidate_disk_size() has been removed entirely.
+dnl #
 dnl # 5.10 API change
 dnl # revalidate_disk() was replaced by revalidate_disk_size()
 dnl #
-AC_DEFUN([ZFS_AC_KERNEL_SRC_REVALIDATE_DISK_SIZE], [
+AC_DEFUN([ZFS_AC_KERNEL_SRC_REVALIDATE_DISK], [
+
 	ZFS_LINUX_TEST_SRC([revalidate_disk_size], [
 		#include <linux/genhd.h>
 	], [
 		struct gendisk *disk = NULL;
 		(void) revalidate_disk_size(disk, false);
 	])
+
+	ZFS_LINUX_TEST_SRC([revalidate_disk], [
+		#include <linux/genhd.h>
+	], [
+		struct gendisk *disk = NULL;
+		(void) revalidate_disk(disk);
+	])
 ])
 
-AC_DEFUN([ZFS_AC_KERNEL_REVALIDATE_DISK_SIZE], [
+AC_DEFUN([ZFS_AC_KERNEL_REVALIDATE_DISK], [
+
 	AC_MSG_CHECKING([whether revalidate_disk_size() is available])
 	ZFS_LINUX_TEST_RESULT_SYMBOL([revalidate_disk_size],
 		[revalidate_disk_size], [block/genhd.c], [
 		AC_MSG_RESULT(yes)
 		AC_DEFINE(HAVE_REVALIDATE_DISK_SIZE, 1,
-			[revalidate_disk_size() is available])
+		    [revalidate_disk_size() is available])
 	], [
 		AC_MSG_RESULT(no)
+
+		AC_MSG_CHECKING([whether revalidate_disk() is available])
+		ZFS_LINUX_TEST_RESULT_SYMBOL([revalidate_disk],
+		    [revalidate_disk], [block/genhd.c], [
+			AC_MSG_RESULT(yes)
+			AC_DEFINE(HAVE_REVALIDATE_DISK, 1,
+			    [revalidate_disk() is available])
+		], [
+			AC_MSG_RESULT(no)
+		])
 	])
 ])
diff --git a/config/kernel.m4 b/config/kernel.m4
index c8340bde5..200ce05b7 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -62,7 +62,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_SRC], [
 	ZFS_AC_KERNEL_SRC_BLKDEV
 	ZFS_AC_KERNEL_SRC_BLK_QUEUE
 	ZFS_AC_KERNEL_SRC_GET_DISK_AND_MODULE
-	ZFS_AC_KERNEL_SRC_REVALIDATE_DISK_SIZE
+	ZFS_AC_KERNEL_SRC_REVALIDATE_DISK
 	ZFS_AC_KERNEL_SRC_GET_DISK_RO
 	ZFS_AC_KERNEL_SRC_GENERIC_READLINK_GLOBAL
 	ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY
@@ -161,7 +161,7 @@ AC_DEFUN([ZFS_AC_KERNEL_TEST_RESULT], [
 	ZFS_AC_KERNEL_BLKDEV
 	ZFS_AC_KERNEL_BLK_QUEUE
 	ZFS_AC_KERNEL_GET_DISK_AND_MODULE
-	ZFS_AC_KERNEL_REVALIDATE_DISK_SIZE
+	ZFS_AC_KERNEL_REVALIDATE_DISK
 	ZFS_AC_KERNEL_GET_DISK_RO
 	ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL
 	ZFS_AC_KERNEL_DISCARD_GRANULARITY
diff --git a/module/os/linux/zfs/zvol_os.c b/module/os/linux/zfs/zvol_os.c
index 9a9a721ce..6f5ef12e7 100644
--- a/module/os/linux/zfs/zvol_os.c
+++ b/module/os/linux/zfs/zvol_os.c
@@ -658,10 +658,12 @@ zvol_update_volsize(zvol_state_t *zv, uint64_t volsize)
 {
 	struct gendisk *disk = zv->zv_zso->zvo_disk;
 
-#ifdef HAVE_REVALIDATE_DISK_SIZE
+#if defined(HAVE_REVALIDATE_DISK_SIZE)
 	revalidate_disk_size(disk, zvol_revalidate_disk(disk) == 0);
-#else
+#elif defined(HAVE_REVALIDATE_DISK)
 	revalidate_disk(disk);
+#else
+	zvol_revalidate_disk(disk);
 #endif
 	return (0);
 }