102 lines
2.4 KiB
Text
102 lines
2.4 KiB
Text
dnl #
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dnl # Linux 4.8 API,
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dnl #
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dnl # The bio_op() helper was introduced as a replacement for explicitly
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dnl # checking the bio->bi_rw flags. The following checks are used to
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dnl # detect if a specific operation is supported.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_BIO_OPS], [
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ZFS_LINUX_TEST_SRC([req_op_discard], [
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#include <linux/blk_types.h>
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],[
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int op __attribute__ ((unused)) = REQ_OP_DISCARD;
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])
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ZFS_LINUX_TEST_SRC([req_op_secure_erase], [
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#include <linux/blk_types.h>
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],[
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int op __attribute__ ((unused)) = REQ_OP_SECURE_ERASE;
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])
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ZFS_LINUX_TEST_SRC([req_op_flush], [
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#include <linux/blk_types.h>
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],[
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int op __attribute__ ((unused)) = REQ_OP_FLUSH;
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])
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ZFS_LINUX_TEST_SRC([bio_bi_opf], [
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#include <linux/bio.h>
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],[
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struct bio bio __attribute__ ((unused));
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bio.bi_opf = 0;
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])
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ZFS_LINUX_TEST_SRC([bio_set_op_attrs], [
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#include <linux/bio.h>
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],[
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struct bio *bio __attribute__ ((unused)) = NULL;
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bio_set_op_attrs(bio, 0, 0);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_REQ_OP_DISCARD], [
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AC_MSG_CHECKING([whether REQ_OP_DISCARD is defined])
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ZFS_LINUX_TEST_RESULT([req_op_discard], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_REQ_OP_DISCARD, 1,
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[REQ_OP_DISCARD is defined])
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],[
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_REQ_OP_SECURE_ERASE], [
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AC_MSG_CHECKING([whether REQ_OP_SECURE_ERASE is defined])
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ZFS_LINUX_TEST_RESULT([req_op_secure_erase], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_REQ_OP_SECURE_ERASE, 1,
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[REQ_OP_SECURE_ERASE is defined])
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],[
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_REQ_OP_FLUSH], [
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AC_MSG_CHECKING([whether REQ_OP_FLUSH is defined])
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ZFS_LINUX_TEST_RESULT([req_op_flush], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_REQ_OP_FLUSH, 1, [REQ_OP_FLUSH is defined])
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],[
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BIO_BI_OPF], [
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AC_MSG_CHECKING([whether bio->bi_opf is defined])
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ZFS_LINUX_TEST_RESULT([bio_bi_opf], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BIO_BI_OPF, 1, [bio->bi_opf is defined])
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],[
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_HAVE_BIO_SET_OP_ATTRS], [
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AC_MSG_CHECKING([whether bio_set_op_attrs is available])
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ZFS_LINUX_TEST_RESULT([bio_set_op_attrs], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BIO_SET_OP_ATTRS, 1,
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[bio_set_op_attrs is available])
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],[
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_BIO_OPS], [
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ZFS_AC_KERNEL_REQ_OP_DISCARD
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ZFS_AC_KERNEL_REQ_OP_SECURE_ERASE
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ZFS_AC_KERNEL_REQ_OP_FLUSH
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ZFS_AC_KERNEL_BIO_BI_OPF
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ZFS_AC_KERNEL_HAVE_BIO_SET_OP_ATTRS
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])
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