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-rw-r--r--config/kernel-make-request-fn.m449
1 files changed, 41 insertions, 8 deletions
diff --git a/config/kernel-make-request-fn.m4 b/config/kernel-make-request-fn.m4
index 86339aa04..d26e12f99 100644
--- a/config/kernel-make-request-fn.m4
+++ b/config/kernel-make-request-fn.m4
@@ -25,20 +25,36 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_MAKE_REQUEST_FN], [
],[
blk_queue_make_request(NULL, &make_request);
])
+
+ ZFS_LINUX_TEST_SRC([blk_alloc_queue_request_fn], [
+ #include <linux/blkdev.h>
+ blk_qc_t make_request(struct request_queue *q,
+ struct bio *bio) { return (BLK_QC_T_NONE); }
+ ],[
+ struct request_queue *q __attribute__ ((unused));
+ q = blk_alloc_queue(make_request, NUMA_NO_NODE);
+ ])
])
AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [
dnl #
- dnl # Legacy API
- dnl # make_request_fn returns int.
+ dnl # Linux 5.7 API Change
+ dnl # blk_alloc_queue() expects request function.
dnl #
- AC_MSG_CHECKING([whether make_request_fn() returns int])
- ZFS_LINUX_TEST_RESULT([make_request_fn_int], [
+ AC_MSG_CHECKING([whether blk_alloc_queue() expects request function])
+ ZFS_LINUX_TEST_RESULT([blk_alloc_queue_request_fn], [
+ AC_MSG_RESULT(yes)
+
+ dnl # Checked as part of the blk_alloc_queue_request_fn test
+ AC_MSG_CHECKING([whether make_request_fn() returns blk_qc_t])
AC_MSG_RESULT(yes)
- AC_DEFINE(MAKE_REQUEST_FN_RET, int,
+
+ AC_DEFINE(HAVE_BLK_ALLOC_QUEUE_REQUEST_FN, 1,
+ [blk_alloc_queue() expects request function])
+ AC_DEFINE(MAKE_REQUEST_FN_RET, blk_qc_t,
[make_request_fn() return type])
- AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_INT, 1,
- [Noting that make_request_fn() returns int])
+ AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_QC, 1,
+ [Noting that make_request_fn() returns blk_qc_t])
],[
AC_MSG_RESULT(no)
@@ -70,7 +86,24 @@ AC_DEFUN([ZFS_AC_KERNEL_MAKE_REQUEST_FN], [
[Noting that make_request_fn() ]
[returns blk_qc_t])
],[
- ZFS_LINUX_TEST_ERROR([make_request_fn])
+ AC_MSG_RESULT(no)
+
+ dnl #
+ dnl # Legacy API
+ dnl # make_request_fn returns int.
+ dnl #
+ AC_MSG_CHECKING(
+ [whether make_request_fn() returns int])
+ ZFS_LINUX_TEST_RESULT([make_request_fn_int], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(MAKE_REQUEST_FN_RET, int,
+ [make_request_fn() return type])
+ AC_DEFINE(HAVE_MAKE_REQUEST_FN_RET_INT,
+ 1, [Noting that make_request_fn() ]
+ [returns int])
+ ],[
+ ZFS_LINUX_TEST_ERROR([make_request_fn])
+ ])
])
])
])