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64afc4e66e
The kernel is now being compiled with -Wmissing-prototypes. Most of our test stub functions had no prototype, and failed to compile. Since they don't need to be visible anywhere else, just make them all static. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Sponsored-by: https://despairlabs.com/sponsor/ Closes #15805
181 lines
5.4 KiB
Plaintext
181 lines
5.4 KiB
Plaintext
dnl #
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dnl # Check for make_request_fn interface.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN], [
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ZFS_LINUX_TEST_SRC([make_request_fn_void], [
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#include <linux/blkdev.h>
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static void make_request(struct request_queue *q,
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struct bio *bio) { return; }
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],[
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blk_queue_make_request(NULL, &make_request);
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])
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ZFS_LINUX_TEST_SRC([make_request_fn_blk_qc_t], [
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#include <linux/blkdev.h>
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static blk_qc_t make_request(struct request_queue *q,
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struct bio *bio) { return (BLK_QC_T_NONE); }
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],[
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blk_queue_make_request(NULL, &make_request);
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])
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ZFS_LINUX_TEST_SRC([blk_alloc_queue_request_fn], [
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#include <linux/blkdev.h>
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static blk_qc_t make_request(struct request_queue *q,
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struct bio *bio) { return (BLK_QC_T_NONE); }
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],[
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struct request_queue *q __attribute__ ((unused));
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q = blk_alloc_queue(make_request, NUMA_NO_NODE);
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])
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ZFS_LINUX_TEST_SRC([blk_alloc_queue_request_fn_rh], [
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#include <linux/blkdev.h>
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static blk_qc_t make_request(struct request_queue *q,
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struct bio *bio) { return (BLK_QC_T_NONE); }
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],[
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struct request_queue *q __attribute__ ((unused));
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q = blk_alloc_queue_rh(make_request, NUMA_NO_NODE);
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])
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ZFS_LINUX_TEST_SRC([block_device_operations_submit_bio], [
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#include <linux/blkdev.h>
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],[
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struct block_device_operations o;
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o.submit_bio = NULL;
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])
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ZFS_LINUX_TEST_SRC([blk_alloc_disk], [
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#include <linux/blkdev.h>
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],[
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struct gendisk *disk __attribute__ ((unused));
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disk = blk_alloc_disk(NUMA_NO_NODE);
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])
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ZFS_LINUX_TEST_SRC([blk_cleanup_disk], [
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#include <linux/blkdev.h>
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],[
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struct gendisk *disk __attribute__ ((unused));
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blk_cleanup_disk(disk);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [
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dnl # Checked as part of the blk_alloc_queue_request_fn test
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dnl #
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dnl # Linux 5.9 API Change
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dnl # make_request_fn was moved into block_device_operations->submit_bio
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dnl #
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AC_MSG_CHECKING([whether submit_bio is member of struct block_device_operations])
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ZFS_LINUX_TEST_RESULT([block_device_operations_submit_bio], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS, 1,
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[submit_bio is member of struct block_device_operations])
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dnl #
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dnl # Linux 5.14 API Change:
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dnl # blk_alloc_queue() + alloc_disk() combo replaced by
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dnl # a single call to blk_alloc_disk().
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dnl #
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AC_MSG_CHECKING([whether blk_alloc_disk() exists])
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ZFS_LINUX_TEST_RESULT([blk_alloc_disk], [
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AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_BLK_ALLOC_DISK], 1, [blk_alloc_disk() exists])
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dnl #
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dnl # 5.20 API change,
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dnl # Removed blk_cleanup_disk(), put_disk() should be used.
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dnl #
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AC_MSG_CHECKING([whether blk_cleanup_disk() exists])
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ZFS_LINUX_TEST_RESULT([blk_cleanup_disk], [
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AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_BLK_CLEANUP_DISK], 1,
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[blk_cleanup_disk() exists])
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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_MSG_RESULT(no)
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])
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],[
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AC_MSG_RESULT(no)
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dnl # Checked as part of the blk_alloc_queue_request_fn test
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dnl #
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dnl # Linux 5.7 API Change
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dnl # blk_alloc_queue() expects request function.
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dnl #
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AC_MSG_CHECKING([whether blk_alloc_queue() expects request function])
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ZFS_LINUX_TEST_RESULT([blk_alloc_queue_request_fn], [
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AC_MSG_RESULT(yes)
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dnl # This is currently always the case.
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AC_MSG_CHECKING([whether make_request_fn() returns blk_qc_t])
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLK_ALLOC_QUEUE_REQUEST_FN, 1,
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[blk_alloc_queue() expects request function])
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AC_DEFINE(MAKE_REQUEST_FN_RET, blk_qc_t,
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[make_request_fn() return type])
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AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_QC, 1,
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[Noting that make_request_fn() returns blk_qc_t])
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],[
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dnl #
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dnl # CentOS Stream 4.18.0-257 API Change
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dnl # The Linux 5.7 blk_alloc_queue() change was back-
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dnl # ported and the symbol renamed blk_alloc_queue_rh().
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dnl # As of this kernel version they're not providing
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dnl # any compatibility code in the kernel for this.
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dnl #
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ZFS_LINUX_TEST_RESULT([blk_alloc_queue_request_fn_rh], [
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AC_MSG_RESULT(yes)
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dnl # This is currently always the case.
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AC_MSG_CHECKING([whether make_request_fn_rh() returns blk_qc_t])
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLK_ALLOC_QUEUE_REQUEST_FN_RH, 1,
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[blk_alloc_queue_rh() expects request function])
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AC_DEFINE(MAKE_REQUEST_FN_RET, blk_qc_t,
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[make_request_fn() return type])
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AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_QC, 1,
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[Noting that make_request_fn() returns blk_qc_t])
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],[
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AC_MSG_RESULT(no)
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dnl #
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dnl # Linux 3.2 API Change
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dnl # make_request_fn returns void.
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dnl #
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AC_MSG_CHECKING(
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[whether make_request_fn() returns void])
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ZFS_LINUX_TEST_RESULT([make_request_fn_void], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(MAKE_REQUEST_FN_RET, void,
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[make_request_fn() return type])
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AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_VOID, 1,
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[Noting that make_request_fn() returns void])
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],[
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AC_MSG_RESULT(no)
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dnl #
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dnl # Linux 4.4 API Change
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dnl # make_request_fn returns blk_qc_t.
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dnl #
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AC_MSG_CHECKING(
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[whether make_request_fn() returns blk_qc_t])
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ZFS_LINUX_TEST_RESULT([make_request_fn_blk_qc_t], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(MAKE_REQUEST_FN_RET, blk_qc_t,
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[make_request_fn() return type])
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AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_QC, 1,
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[Noting that make_request_fn() ]
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[returns blk_qc_t])
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],[
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ZFS_LINUX_TEST_ERROR([make_request_fn])
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])
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])
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])
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])
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])
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])
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