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Add atomic_sub_* functions to libspl.
[zfs.git]
/
config
/
kernel-blk-rq-bytes.m4
diff --git
a/config/kernel-blk-rq-bytes.m4
b/config/kernel-blk-rq-bytes.m4
index
da83405
..
6430dfe
100644
(file)
--- a/
config/kernel-blk-rq-bytes.m4
+++ b/
config/kernel-blk-rq-bytes.m4
@@
-6,6
+6,8
@@
dnl blk_rq_bytes() helper was changed to a static inline which we can use.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_BYTES], [
AC_MSG_CHECKING([whether blk_rq_bytes() is available])
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_BYTES], [
AC_MSG_CHECKING([whether blk_rq_bytes() is available])
+ tmp_flags="$EXTRA_KCFLAGS"
+ EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
@@
-35,4
+37,5
@@
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_BYTES], [
AC_DEFINE(HAVE_BLK_RQ_BYTES_GPL_ONLY, 1,
[blk_rq_bytes() is GPL-only])
])
AC_DEFINE(HAVE_BLK_RQ_BYTES_GPL_ONLY, 1,
[blk_rq_bytes() is GPL-only])
])
+ EXTRA_KCFLAGS="$tmp_flags"
])
])