mirror_zfs/config/kernel-vfs-read_folio.m4
Brian Behlendorf b9d98453f9 autoconf: AC_MSG_CHECKING consistency
Make the wording more consistent for the kernel AC_MSG_CHECKING
output (e.g. "checking whether ...".).  Additionally, group some
of the VFS interface checks with the others.  No functional change.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Attila Fülöp <attila@fueloep.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13529
2022-06-01 09:59:37 -07:00

33 lines
759 B
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dnl #
dnl # Linux 5.19 uses read_folio in lieu of readpage
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_READ_FOLIO], [
ZFS_LINUX_TEST_SRC([vfs_has_read_folio], [
#include <linux/fs.h>
static int
test_read_folio(struct file *file, struct folio *folio) {
(void) file; (void) folio;
return (0);
}
static const struct address_space_operations
aops __attribute__ ((unused)) = {
.read_folio = test_read_folio,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_VFS_READ_FOLIO], [
dnl #
dnl # Linux 5.19 uses read_folio in lieu of readpage
dnl #
AC_MSG_CHECKING([whether read_folio exists])
ZFS_LINUX_TEST_RESULT([vfs_has_read_folio], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_VFS_READ_FOLIO, 1, [read_folio exists])
],[
AC_MSG_RESULT([no])
])
])