mirror_zfs/config/kernel-revalidate-disk-size.m4
Rob Norris 85391ee931 build: add SPDX license tags to build system files
Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #18077
2026-01-08 15:08:03 -08:00

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dnl # SPDX-License-Identifier: CDDL-1.0
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], [
ZFS_LINUX_TEST_SRC([revalidate_disk_size], [
#include <linux/blkdev.h>
], [
struct gendisk *disk = NULL;
(void) revalidate_disk_size(disk, false);
])
ZFS_LINUX_TEST_SRC([revalidate_disk], [
#include <linux/blkdev.h>
], [
struct gendisk *disk = NULL;
(void) revalidate_disk(disk);
])
])
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])
], [
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)
])
])
])