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Remove blk_queue_physical_block_size() autotools check

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This is needed for supporting kernels earlier than 2.6.30. Support for
those kernels was dropped, so we can safely remove this check.

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Richard Yao
2015-08-31 12:21:21 -04:00
committed by Brian Behlendorf
parent 324dcd3733
commit 3c119330a6
3 changed files with 0 additions and 36 deletions
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config/kernel-blk-queue-physical-block-size.m4
-25
View File
@@ -1,25 +0,0 @@
dnl #
dnl # 2.6.30 API change
dnl # The blk_queue_physical_block_size() function was introduced to
dnl # indicate the smallest I/O the device can write without incurring
dnl # a read-modify-write penalty.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_PHYSICAL_BLOCK_SIZE], [
AC_MSG_CHECKING([whether blk_queue_physical_block_size() 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;
unsigned short block_size = 1;
(void) blk_queue_physical_block_size(q, block_size);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_QUEUE_PHYSICAL_BLOCK_SIZE, 1,
[blk_queue_physical_block_size() is available])
],[
AC_MSG_RESULT(no)
])
EXTRA_KCFLAGS="$tmp_flags"
])
config/kernel.m4
-1
View File
@@ -29,7 +29,6 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_BLK_QUEUE_FLUSH
ZFS_AC_KERNEL_BLK_QUEUE_MAX_HW_SECTORS
ZFS_AC_KERNEL_BLK_QUEUE_MAX_SEGMENTS
ZFS_AC_KERNEL_BLK_QUEUE_PHYSICAL_BLOCK_SIZE
ZFS_AC_KERNEL_BLK_QUEUE_IO_OPT
ZFS_AC_KERNEL_BLK_QUEUE_NONROT
ZFS_AC_KERNEL_BLK_QUEUE_DISCARD