41 lines
998 B
Text
41 lines
998 B
Text
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dnl #
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dnl # 2.6.27, lookup_bdev() was exported.
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dnl # 4.4.0-6.21 - x.y on Ubuntu, lookup_bdev() takes 2 arguments.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_LOOKUP_BDEV], [
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ZFS_LINUX_TEST_SRC([lookup_bdev_1arg], [
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#include <linux/fs.h>
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#include <linux/blkdev.h>
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], [
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lookup_bdev(NULL);
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])
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ZFS_LINUX_TEST_SRC([lookup_bdev_2args], [
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#include <linux/fs.h>
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], [
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lookup_bdev(NULL, FMODE_READ);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_BDEV], [
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AC_MSG_CHECKING([whether lookup_bdev() wants 1 arg])
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ZFS_LINUX_TEST_RESULT_SYMBOL([lookup_bdev_1arg],
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[lookup_bdev], [fs/block_dev.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_1ARG_LOOKUP_BDEV, 1,
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[lookup_bdev() wants 1 arg])
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], [
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING([whether lookup_bdev() wants 2 args])
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ZFS_LINUX_TEST_RESULT_SYMBOL([lookup_bdev_2args],
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[lookup_bdev], [fs/block_dev.c], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_2ARGS_LOOKUP_BDEV, 1,
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[lookup_bdev() wants 2 args])
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], [
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AC_MSG_RESULT(no)
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])
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])
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])
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