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34 lines
1.0 KiB
Plaintext
34 lines
1.0 KiB
Plaintext
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dnl #
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dnl # 2.6.x API change
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS], [
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AC_MSG_CHECKING([block device operation prototypes])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/blkdev.h>
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],[
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int (*blk_open) (struct block_device *, fmode_t) = NULL;
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int (*blk_release) (struct gendisk *, fmode_t) = NULL;
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int (*blk_ioctl) (struct block_device *, fmode_t,
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unsigned, unsigned long) = NULL;
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int (*blk_compat_ioctl) (struct block_device *, fmode_t,
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unsigned, unsigned long) = NULL;
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struct block_device_operations blk_ops = {
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.open = blk_open,
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.release = blk_release,
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.ioctl = blk_ioctl,
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.compat_ioctl = blk_compat_ioctl,
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};
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blk_ops.open(NULL, 0);
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blk_ops.release(NULL, 0);
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blk_ops.ioctl(NULL, 0, 0, 0);
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blk_ops.compat_ioctl(NULL, 0, 0, 0);
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],[
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AC_MSG_RESULT(struct block_device)
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AC_DEFINE(HAVE_BDEV_BLOCK_DEVICE_OPERATIONS, 1,
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[struct block_device_operations use bdevs])
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],[
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AC_MSG_RESULT(struct inode)
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])
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])
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