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026f126b83
As of the 5.17 kernel the GENHD_FL_EXT_DEVT flag has been removed
and the GENHD_FL_NO_PART_SCAN flag renamed GENHD_FL_NO_PART. Update
zvol_alloc() to set GENHD_FL_NO_PART for the newer kernels which
is sufficient. The behavior for prior kernels remains unchanged.
1ebe2e5f ("block: remove GENHD_FL_EXT_DEVT")
46e7eac6 ("block: rename GENHD_FL_NO_PART_SCAN to GENHD_FL_NO_PART")
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13294
Closes #13297
59 lines
1.5 KiB
Plaintext
59 lines
1.5 KiB
Plaintext
dnl #
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dnl # 5.17 API change,
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dnl #
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dnl # GENHD_FL_EXT_DEVT flag removed
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dnl # GENHD_FL_NO_PART_SCAN renamed GENHD_FL_NO_PART
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_GENHD_FLAGS], [
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ZFS_LINUX_TEST_SRC([genhd_fl_ext_devt], [
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#include <linux/blkdev.h>
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], [
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int flags __attribute__ ((unused)) = GENHD_FL_EXT_DEVT;
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])
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ZFS_LINUX_TEST_SRC([genhd_fl_no_part], [
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#include <linux/blkdev.h>
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], [
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int flags __attribute__ ((unused)) = GENHD_FL_NO_PART;
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])
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ZFS_LINUX_TEST_SRC([genhd_fl_no_part_scan], [
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#include <linux/blkdev.h>
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], [
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int flags __attribute__ ((unused)) = GENHD_FL_NO_PART_SCAN;
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_GENHD_FLAGS], [
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AC_MSG_CHECKING([whether GENHD_FL_EXT_DEVT flag is available])
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ZFS_LINUX_TEST_RESULT([genhd_fl_ext_devt], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(ZFS_GENHD_FL_EXT_DEVT, GENHD_FL_EXT_DEVT,
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[GENHD_FL_EXT_DEVT flag is available])
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], [
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AC_MSG_RESULT(no)
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AC_DEFINE(ZFS_GENHD_FL_EXT_DEVT, 0,
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[GENHD_FL_EXT_DEVT flag is not available])
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])
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AC_MSG_CHECKING([whether GENHD_FL_NO_PART flag is available])
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ZFS_LINUX_TEST_RESULT([genhd_fl_no_part], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(ZFS_GENHD_FL_NO_PART, GENHD_FL_NO_PART,
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[GENHD_FL_NO_PART flag is available])
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether GENHD_FL_NO_PART_SCAN flag is available])
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ZFS_LINUX_TEST_RESULT([genhd_fl_no_part_scan], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(ZFS_GENHD_FL_NO_PART, GENHD_FL_NO_PART_SCAN,
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[GENHD_FL_NO_PART_SCAN flag is available])
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], [
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ZFS_LINUX_TEST_ERROR([GENHD_FL_NO_PART|GENHD_FL_NO_PART_SCAN])
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])
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])
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])
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