mirror_zfs/config/kernel-truncate-setsize.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 # 2.6.35 API change
dnl # Added truncate_setsize() helper function.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_TRUNCATE_SETSIZE], [
ZFS_LINUX_TEST_SRC([truncate_setsize], [
#include <linux/mm.h>
], [
truncate_setsize(NULL, 0);
])
])
AC_DEFUN([ZFS_AC_KERNEL_TRUNCATE_SETSIZE], [
AC_MSG_CHECKING([whether truncate_setsize() is available])
ZFS_LINUX_TEST_RESULT_SYMBOL([truncate_setsize],
[truncate_setsize], [mm/truncate.c], [
AC_MSG_RESULT(yes)
], [
ZFS_LINUX_TEST_ERROR([truncate_setsize])
])
])