EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
- ],[
- int (*blk_open) (struct block_device *, fmode_t) = NULL;
- int (*blk_release) (struct gendisk *, fmode_t) = NULL;
- int (*blk_ioctl) (struct block_device *, fmode_t,
- unsigned, unsigned long) = NULL;
- int (*blk_compat_ioctl) (struct block_device *, fmode_t,
- unsigned, unsigned long) = NULL;
- struct block_device_operations blk_ops = {
+
+ int blk_open(struct block_device *bdev, fmode_t mode)
+ { return 0; }
+ int blk_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned x, unsigned long y) { return 0; }
+ int blk_compat_ioctl(struct block_device * bdev, fmode_t mode,
+ unsigned x, unsigned long y) { return 0; }
+
+ static const struct block_device_operations
+ bops __attribute__ ((unused)) = {
.open = blk_open,
- .release = blk_release,
+ .release = NULL,
.ioctl = blk_ioctl,
.compat_ioctl = blk_compat_ioctl,
};
-
- blk_ops.open(NULL, 0);
- blk_ops.release(NULL, 0);
- blk_ops.ioctl(NULL, 0, 0, 0);
- blk_ops.compat_ioctl(NULL, 0, 0, 0);
+ ],[
],[
AC_MSG_RESULT(struct block_device)
AC_DEFINE(HAVE_BDEV_BLOCK_DEVICE_OPERATIONS, 1,