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Commit | Line | Data |
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7bdf406d TG |
1 | dnl # |
2 | dnl # 2.6.x API change | |
3 | dnl # | |
4 | AC_DEFUN([ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS], [ | |
5 | AC_MSG_CHECKING([block device operation prototypes]) | |
6 | tmp_flags="$EXTRA_KCFLAGS" | |
7 | EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}" | |
8 | ZFS_LINUX_TRY_COMPILE([ | |
9 | #include <linux/blkdev.h> | |
10 | ||
11 | int blk_open(struct block_device *bdev, fmode_t mode) | |
12 | { return 0; } | |
13 | int blk_ioctl(struct block_device *bdev, fmode_t mode, | |
14 | unsigned x, unsigned long y) { return 0; } | |
15 | int blk_compat_ioctl(struct block_device * bdev, fmode_t mode, | |
16 | unsigned x, unsigned long y) { return 0; } | |
17 | ||
18 | static const struct block_device_operations | |
19 | bops __attribute__ ((unused)) = { | |
20 | .open = blk_open, | |
21 | .release = NULL, | |
22 | .ioctl = blk_ioctl, | |
23 | .compat_ioctl = blk_compat_ioctl, | |
24 | }; | |
25 | ],[ | |
26 | ],[ | |
27 | AC_MSG_RESULT(struct block_device) | |
28 | AC_DEFINE(HAVE_BDEV_BLOCK_DEVICE_OPERATIONS, 1, | |
29 | [struct block_device_operations use bdevs]) | |
30 | ],[ | |
31 | AC_MSG_RESULT(struct inode) | |
32 | ]) | |
33 | EXTRA_KCFLAGS="$tmp_flags" | |
34 | ]) |