kernel-genhd-flags.m4

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    1 dnl #
    2 dnl # 5.17 API change,
    3 dnl #
    4 dnl # GENHD_FL_EXT_DEVT flag removed
    5 dnl # GENHD_FL_NO_PART_SCAN renamed GENHD_FL_NO_PART
    6 dnl #
    7 AC_DEFUN([ZFS_AC_KERNEL_SRC_GENHD_FLAGS], [
    8 
    9         ZFS_LINUX_TEST_SRC([genhd_fl_ext_devt], [
   10                 #include <linux/blkdev.h>
   11         ], [
   12                 int flags __attribute__ ((unused)) = GENHD_FL_EXT_DEVT;
   13         ])
   14 
   15         ZFS_LINUX_TEST_SRC([genhd_fl_no_part], [
   16                 #include <linux/blkdev.h>
   17         ], [
   18                 int flags __attribute__ ((unused)) = GENHD_FL_NO_PART;
   19         ])
   20 
   21         ZFS_LINUX_TEST_SRC([genhd_fl_no_part_scan], [
   22                 #include <linux/blkdev.h>
   23         ], [
   24                 int flags __attribute__ ((unused)) = GENHD_FL_NO_PART_SCAN;
   25         ])
   26 ])
   27 
   28 AC_DEFUN([ZFS_AC_KERNEL_GENHD_FLAGS], [
   29 
   30         AC_MSG_CHECKING([whether GENHD_FL_EXT_DEVT flag is available])
   31         ZFS_LINUX_TEST_RESULT([genhd_fl_ext_devt], [
   32                 AC_MSG_RESULT(yes)
   33                 AC_DEFINE(ZFS_GENHD_FL_EXT_DEVT, GENHD_FL_EXT_DEVT,
   34                     [GENHD_FL_EXT_DEVT flag is available])
   35         ], [
   36                 AC_MSG_RESULT(no)
   37                 AC_DEFINE(ZFS_GENHD_FL_EXT_DEVT, 0,
   38                     [GENHD_FL_EXT_DEVT flag is not available])
   39         ])
   40 
   41         AC_MSG_CHECKING([whether GENHD_FL_NO_PART flag is available])
   42         ZFS_LINUX_TEST_RESULT([genhd_fl_no_part], [
   43                 AC_MSG_RESULT(yes)
   44                 AC_DEFINE(ZFS_GENHD_FL_NO_PART, GENHD_FL_NO_PART,
   45                     [GENHD_FL_NO_PART flag is available])
   46         ], [
   47                 AC_MSG_RESULT(no)
   48 
   49                 AC_MSG_CHECKING([whether GENHD_FL_NO_PART_SCAN flag is available])
   50                 ZFS_LINUX_TEST_RESULT([genhd_fl_no_part_scan], [
   51                         AC_MSG_RESULT(yes)
   52                         AC_DEFINE(ZFS_GENHD_FL_NO_PART, GENHD_FL_NO_PART_SCAN,
   53                             [GENHD_FL_NO_PART_SCAN flag is available])
   54                 ], [
   55                         ZFS_LINUX_TEST_ERROR([GENHD_FL_NO_PART|GENHD_FL_NO_PART_SCAN])
   56                 ])
   57         ])
   58 ])

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/config/kernel-genhd-flags.m4

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/config/kernel-genhd-flags.m4