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Diffstat (limited to 'config/kernel-invalidate-bdev-args.m4')
| -rw-r--r-- | config/kernel-invalidate-bdev-args.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/config/kernel-invalidate-bdev-args.m4 b/config/kernel-invalidate-bdev-args.m4 new file mode 100644 index 000000000..c768f6275 --- /dev/null +++ b/config/kernel-invalidate-bdev-args.m4 @@ -0,0 +1,19 @@ +dnl # +dnl # 2.6.22 API change +dnl # Unused destroy_dirty_buffers arg removed from prototype. +dnl # +AC_DEFUN([ZFS_AC_KERNEL_INVALIDATE_BDEV_ARGS], [ + AC_MSG_CHECKING([whether invalidate_bdev() wants 1 arg]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/buffer_head.h> + ],[ + struct block_device *bdev; + invalidate_bdev(bdev); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_1ARG_INVALIDATE_BDEV, 1, + [invalidate_bdev() wants 1 arg]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |