| dnl # |
| dnl # 2.6.33 API change |
| dnl # Discard granularity and alignment restrictions may now be set. |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_DISCARD_GRANULARITY], [ |
| ZFS_LINUX_TEST_SRC([discard_granularity], [ |
| #include <linux/blkdev.h> |
| ],[ |
| struct queue_limits ql __attribute__ ((unused)); |
| ql.discard_granularity = 0; |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_DISCARD_GRANULARITY], [ |
| AC_MSG_CHECKING([whether ql->discard_granularity is available]) |
| ZFS_LINUX_TEST_RESULT([discard_granularity], [ |
| AC_MSG_RESULT(yes) |
| ],[ |
| ZFS_LINUX_TEST_ERROR([ql->discard_granularity]) |
| ]) |
| ]) |
