aboutsummaryrefslogtreecommitdiffstats
path: root/config/kernel-blk-queue-nonrot.m4
diff options
context:
space:
mode:
Diffstat (limited to 'config/kernel-blk-queue-nonrot.m4')
-rw-r--r--config/kernel-blk-queue-nonrot.m425
1 files changed, 0 insertions, 25 deletions
diff --git a/config/kernel-blk-queue-nonrot.m4 b/config/kernel-blk-queue-nonrot.m4
deleted file mode 100644
index aa6d678fe..000000000
--- a/config/kernel-blk-queue-nonrot.m4
+++ /dev/null
@@ -1,25 +0,0 @@
-dnl #
-dnl # 2.6.27 API change
-dnl # The blk_queue_nonrot() function and QUEUE_FLAG_NONROT flag were
-dnl # added so non-rotational devices could be identified. These devices
-dnl # have no seek time which the higher level elevator uses to optimize
-dnl # how the I/O issued to the device.
-dnl #
-AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_NONROT], [
- AC_MSG_CHECKING([whether blk_queue_nonrot() is available])
- tmp_flags="$EXTRA_KCFLAGS"
- EXTRA_KCFLAGS="${NO_UNUSED_BUT_SET_VARIABLE}"
- ZFS_LINUX_TRY_COMPILE([
- #include <linux/blkdev.h>
- ],[
- struct request_queue *q = NULL;
- (void) blk_queue_nonrot(q);
- ],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_BLK_QUEUE_NONROT, 1,
- [blk_queue_nonrot() is available])
- ],[
- AC_MSG_RESULT(no)
- ])
- EXTRA_KCFLAGS="$tmp_flags"
-])