22 lines
520 B
Plaintext
22 lines
520 B
Plaintext
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dnl #
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dnl # 4.1 API, exported blkdev_reread_part() symbol, backported to the
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dnl # 3.10.0 CentOS 7.x enterprise kernels.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BLKDEV_REREAD_PART], [
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AC_MSG_CHECKING([whether blkdev_reread_part() is available])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/fs.h>
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], [
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struct block_device *bdev = NULL;
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int error;
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error = blkdev_reread_part(bdev);
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], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BLKDEV_REREAD_PART, 1,
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[blkdev_reread_part() is available])
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], [
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AC_MSG_RESULT(no)
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])
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])
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