X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=configure;h=885d5eb09a7b3c5878222a70685e74014e870989;hb=a38718a63d79116d6cb614dd2821e2a3955e5c8c;hp=3b136d7c80961df87f99ff0f320b32a6ec452736;hpb=de0a1c099b7dc6722eb428838e893a4d9490a21e;p=zfs.git

diff --git a/configure b/configure
index 3b136d7..885d5eb 100755
--- a/configure
+++ b/configure
@@ -11983,21 +11983,32 @@ fi
 	{ $as_echo "$as_me:$LINENO: checking kernel source directory" >&5
 $as_echo_n "checking kernel source directory... " >&6; }
 	if test -z "$kernelsrc"; then
+
 		if test -e "/lib/modules/$(uname -r)/source"; then
+
 			headersdir="/lib/modules/$(uname -r)/source"
 			sourcelink=$(readlink -f "$headersdir")
-		elif test -e "/lib/modules/$(uname -r)/build"; then
+
+elif test -e "/lib/modules/$(uname -r)/build"; then
+
 			headersdir="/lib/modules/$(uname -r)/build"
 			sourcelink=$(readlink -f "$headersdir")
-		else
+
+else
+
 			sourcelink=$(ls -1d /usr/src/kernels/* \
-				     /usr/src/linux-* \
+			             /usr/src/linux-* \
 			             2>/dev/null | grep -v obj | tail -1)
-		fi
+
+fi
+
 
 		if test -n "$sourcelink" && test -e ${sourcelink}; then
+
 			kernelsrc=`readlink -f ${sourcelink}`
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 			{ { $as_echo "$as_me:$LINENO: error:
@@ -12009,30 +12020,53 @@ $as_echo "$as_me: error:
 	*** is installed then try again.  If that fails you can specify the
 	*** location of the kernel source with the '--with-linux=PATH' option." >&2;}
    { (exit 1); exit 1; }; }
-		fi
-	else
+
+fi
+
+
+else
+
 		if test "$kernelsrc" = "NONE"; then
+
 			kernsrcver=NONE
-		fi
-	fi
+
+fi
+
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $kernelsrc" >&5
 $as_echo "$kernelsrc" >&6; }
 	{ $as_echo "$as_me:$LINENO: checking kernel build directory" >&5
 $as_echo_n "checking kernel build directory... " >&6; }
 	if test -z "$kernelbuild"; then
+
 		if test -e "/lib/modules/$(uname -r)/build"; then
+
 			kernelbuild=`readlink -f /lib/modules/$(uname -r)/build`
-		elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then
+
+elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then
+
 			kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu}
-		elif test -d ${kernelsrc}-obj/${target_cpu}/default; then
+
+elif test -d ${kernelsrc}-obj/${target_cpu}/default; then
+
 		        kernelbuild=${kernelsrc}-obj/${target_cpu}/default
-		elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then
+
+elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then
+
 			kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu}
-		else
+
+else
+
 			kernelbuild=${kernelsrc}
-		fi
-	fi
+
+fi
+
+
+fi
+
 	{ $as_echo "$as_me:$LINENO: result: $kernelbuild" >&5
 $as_echo "$kernelbuild" >&6; }
 
@@ -12042,33 +12076,48 @@ $as_echo_n "checking kernel source version... " >&6; }
 	utsrelease2=$kernelbuild/include/linux/utsrelease.h
 	utsrelease3=$kernelbuild/include/generated/utsrelease.h
 	if test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1; then
+
 		utsrelease=linux/version.h
-	elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then
+
+elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then
+
 		utsrelease=linux/utsrelease.h
-	elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then
+
+elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then
+
 		utsrelease=generated/utsrelease.h
-	fi
+
+fi
+
 
 	if test "$utsrelease"; then
+
 		kernsrcver=`(echo "#include <$utsrelease>";
 		             echo "kernsrcver=UTS_RELEASE") |
 		             cpp -I $kernelbuild/include |
 		             grep "^kernsrcver=" | cut -d \" -f 2`
 
 		if test -z "$kernsrcver"; then
+
 			{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 			{ { $as_echo "$as_me:$LINENO: error: *** Cannot determine kernel version." >&5
 $as_echo "$as_me: error: *** Cannot determine kernel version." >&2;}
    { (exit 1); exit 1; }; }
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 		{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
 $as_echo "$as_me: error: *** Cannot find UTS_RELEASE definition." >&2;}
    { (exit 1); exit 1; }; }
-	fi
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $kernsrcver" >&5
 $as_echo "$kernsrcver" >&6; }
@@ -12086,13 +12135,20 @@ $as_echo "$kernsrcver" >&6; }
 	{ $as_echo "$as_me:$LINENO: checking kernel file name for module symbols" >&5
 $as_echo_n "checking kernel file name for module symbols... " >&6; }
 	if test -f "$modpost"; then
+
 		if grep -q Modules.symvers $modpost; then
+
 			LINUX_SYMBOLS=Modules.symvers
-		else
+
+else
+
 			LINUX_SYMBOLS=Module.symvers
-		fi
 
-		if ! test -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then
+fi
+
+
+		if test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then
+
 			{ { $as_echo "$as_me:$LINENO: error:
 	*** Please make sure the kernel devel package for your distribution
 	*** is installed.  If your building with a custom kernel make sure the
@@ -12104,10 +12160,16 @@ $as_echo "$as_me: error:
 	*** kernel is configured, built, and the '--with-linux=PATH' configure
 	*** option refers to the location of the kernel source." >&2;}
    { (exit 1); exit 1; }; }
-		fi
-	else
+
+fi
+
+
+else
+
 		LINUX_SYMBOLS=NONE
-	fi
+
+fi
+
 	{ $as_echo "$as_me:$LINENO: result: $LINUX_SYMBOLS" >&5
 $as_echo "$LINUX_SYMBOLS" >&6; }
 
@@ -12132,16 +12194,23 @@ fi
 	{ $as_echo "$as_me:$LINENO: checking spl source directory" >&5
 $as_echo_n "checking spl source directory... " >&6; }
 	if test -z "$splsrc"; then
+
 		sourcelink=`ls -1d /usr/src/spl-*/${LINUX_VERSION} \
 		            2>/dev/null | tail -1`
 
 		if test -z "$sourcelink" || test ! -e $sourcelink; then
+
 			sourcelink=../spl
-		fi
+
+fi
+
 
 		if test -e $sourcelink; then
+
 			splsrc=`readlink -f ${sourcelink}`
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 			{ { $as_echo "$as_me:$LINENO: error:
@@ -12153,21 +12222,33 @@ $as_echo "$as_me: error:
 	*** is installed then try again.  If that fails you can specify the
 	*** location of the spl source with the '--with-spl=PATH' option." >&2;}
    { (exit 1); exit 1; }; }
-		fi
-	else
+
+fi
+
+
+else
+
 		if test "$splsrc" = "NONE"; then
+
 			splbuild=NONE
 			splsrcver=NONE
-		fi
-	fi
+
+fi
+
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $splsrc" >&5
 $as_echo "$splsrc" >&6; }
 	{ $as_echo "$as_me:$LINENO: checking spl build directory" >&5
 $as_echo_n "checking spl build directory... " >&6; }
 	if test -z "$splbuild"; then
+
 		splbuild=${splsrc}
-	fi
+
+fi
+
 	{ $as_echo "$as_me:$LINENO: result: $splbuild" >&5
 $as_echo "$splbuild" >&6; }
 
@@ -12176,23 +12257,29 @@ $as_echo_n "checking spl source version... " >&6; }
 	if test -r $splbuild/spl_config.h &&
 		fgrep -q SPL_META_VERSION $splbuild/spl_config.h; then
 
+
 		splsrcver=`(echo "#include <spl_config.h>";
 		            echo "splsrcver=SPL_META_VERSION") |
 		            cpp -I $splbuild |
 		            grep "^splsrcver=" | cut -d \" -f 2`
-	fi
+
+fi
+
 
 	if test -z "$splsrcver"; then
+
 		{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 		{ { $as_echo "$as_me:$LINENO: error:
-		*** Cannot determine the version of the spl source.
-		*** Please prepare the spl source before running this script" >&5
+	*** Cannot determine the version of the spl source.
+	*** Please prepare the spl source before running this script" >&5
 $as_echo "$as_me: error:
-		*** Cannot determine the version of the spl source.
-		*** Please prepare the spl source before running this script" >&2;}
+	*** Cannot determine the version of the spl source.
+	*** Please prepare the spl source before running this script" >&2;}
    { (exit 1); exit 1; }; }
-	fi
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $splsrcver" >&5
 $as_echo "$splsrcver" >&6; }
@@ -12209,16 +12296,27 @@ $as_echo "$splsrcver" >&6; }
 	{ $as_echo "$as_me:$LINENO: checking spl file name for module symbols" >&5
 $as_echo_n "checking spl file name for module symbols... " >&6; }
 	if test -r $SPL_OBJ/Module.symvers; then
+
 		SPL_SYMBOLS=Module.symvers
-	elif test -r $SPL_OBJ/Modules.symvers; then
+
+elif test -r $SPL_OBJ/Modules.symvers; then
+
 		SPL_SYMBOLS=Modules.symvers
-	elif test -r $SPL_OBJ/module/Module.symvers; then
+
+elif test -r $SPL_OBJ/module/Module.symvers; then
+
 		SPL_SYMBOLS=Module.symvers
-	elif test -r $SPL_OBJ/module/Modules.symvers; then
+
+elif test -r $SPL_OBJ/module/Modules.symvers; then
+
 		SPL_SYMBOLS=Modules.symvers
-	else
+
+else
+
 		SPL_SYMBOLS=$LINUX_SYMBOLS
-	fi
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $SPL_SYMBOLS" >&5
 $as_echo "$SPL_SYMBOLS" >&6; }
@@ -12273,11 +12371,11 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 		{ { $as_echo "$as_me:$LINENO: error:
-		*** Kernel built with CONFIG_PREEMPT which is not supported.
-		** You must rebuild your kernel without this option." >&5
+	*** Kernel built with CONFIG_PREEMPT which is not supported.
+	*** You must rebuild your kernel without this option." >&5
 $as_echo "$as_me: error:
-		*** Kernel built with CONFIG_PREEMPT which is not supported.
-		** You must rebuild your kernel without this option." >&2;}
+	*** Kernel built with CONFIG_PREEMPT which is not supported.
+	*** You must rebuild your kernel without this option." >&2;}
    { (exit 1); exit 1; }; }
 
 else
@@ -12298,6 +12396,7 @@ fi
 
 
 	if test "$ZFS_META_LICENSE" = CDDL; then
+
 		{ $as_echo "$as_me:$LINENO: checking whether Linux was built with CONFIG_DEBUG_LOCK_ALLOC" >&5
 $as_echo_n "checking whether Linux was built with CONFIG_DEBUG_LOCK_ALLOC... " >&6; }
 
@@ -12344,13 +12443,13 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 		{ { $as_echo "$as_me:$LINENO: error:
-		*** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is
-		*** incompatible with the CDDL license.  You must rebuild
-		*** your kernel without this option." >&5
+	*** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is
+	*** incompatible with the CDDL license.  You must rebuild
+	*** your kernel without this option." >&5
 $as_echo "$as_me: error:
-		*** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is
-		*** incompatible with the CDDL license.  You must rebuild
-		*** your kernel without this option." >&2;}
+	*** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is
+	*** incompatible with the CDDL license.  You must rebuild
+	*** your kernel without this option." >&2;}
    { (exit 1); exit 1; }; }
 
 else
@@ -12369,19 +12468,26 @@ fi
 
 
 
-	fi
+
+fi
+
 
 	if test "$ZFS_META_LICENSE" = GPL; then
 
+
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_GPL_ONLY_SYMBOLS 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 	{ $as_echo "$as_me:$LINENO: checking block device operation prototypes" >&5
 $as_echo_n "checking block device operation prototypes... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12459,6 +12565,7 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 	{ $as_echo "$as_me:$LINENO: checking whether kernel defines fmode_t" >&5
 $as_echo_n "checking whether kernel defines fmode_t... " >&6; }
@@ -12597,20 +12704,27 @@ $as_echo_n "checking whether symbol blkdev_get_by_path is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/block_dev.c; do
 			grep -q -E "EXPORT_SYMBOL.*(blkdev_get_by_path)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -12618,8 +12732,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_BLKDEV_GET_BY_PATH 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -12627,7 +12745,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_BLKDEV_GET_BY_PATH 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -12637,20 +12757,27 @@ $as_echo_n "checking whether symbol open_bdev_exclusive is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/block_dev.c; do
 			grep -q -E "EXPORT_SYMBOL.*(open_bdev_exclusive)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -12658,8 +12785,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_OPEN_BDEV_EXCLUSIVE 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -12667,7 +12798,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_OPEN_BDEV_EXCLUSIVE 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -12739,6 +12872,8 @@ fi
 
 	{ $as_echo "$as_me:$LINENO: checking whether bdev_logical_block_size() is available" >&5
 $as_echo_n "checking whether bdev_logical_block_size() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -12801,6 +12936,7 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether bio_empty_barrier() is defined" >&5
@@ -13341,6 +13477,8 @@ fi
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_end_request() is available" >&5
 $as_echo_n "checking whether blk_end_request() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13471,10 +13609,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_fetch_request() is available" >&5
 $as_echo_n "checking whether blk_fetch_request() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13537,10 +13678,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_requeue_request() is available" >&5
 $as_echo_n "checking whether blk_requeue_request() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13604,10 +13748,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_rq_bytes() is available" >&5
 $as_echo_n "checking whether blk_rq_bytes() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13738,10 +13885,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_rq_pos() is available" >&5
 $as_echo_n "checking whether blk_rq_pos() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13804,10 +13954,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_rq_sectors() is available" >&5
 $as_echo_n "checking whether blk_rq_sectors() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13870,10 +14023,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether get_disk_ro() is available" >&5
 $as_echo_n "checking whether get_disk_ro() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -13936,10 +14092,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether rq_is_sync() is available" >&5
 $as_echo_n "checking whether rq_is_sync() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14002,10 +14161,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether rq_for_each_segment() is available" >&5
 $as_echo_n "checking whether rq_for_each_segment() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14070,6 +14232,7 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 	{ $as_echo "$as_me:$LINENO: checking whether super_block uses const struct xattr_hander" >&5
 $as_echo_n "checking whether super_block uses const struct xattr_hander... " >&6; }
@@ -14288,8 +14451,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether fops->fsync() wants 2 args" >&5
-$as_echo_n "checking whether fops->fsync() wants 2 args... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether fops->fsync() wants" >&5
+$as_echo_n "checking whether fops->fsync() wants... " >&6; }
+
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14306,7 +14470,7 @@ int
 main (void)
 {
 
-		int (*fsync) (struct file *, int datasync) = NULL;
+		int (*fsync) (struct file *, struct dentry *, int) = NULL;
 		struct file_operations fops __attribute__ ((unused));
 
 		fops.fsync = fsync;
@@ -14332,11 +14496,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		{ $as_echo "$as_me:$LINENO: result: dentry" >&5
+$as_echo "dentry" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_2ARGS_FSYNC 1
+#define HAVE_FSYNC_WITH_DENTRY 1
 _ACEOF
 
 
@@ -14344,8 +14508,6 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
 
 
@@ -14356,8 +14518,6 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether sops->evict_inode() exists" >&5
-$as_echo_n "checking whether sops->evict_inode() exists... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -14374,10 +14534,10 @@ int
 main (void)
 {
 
-		void (*evict_inode) (struct inode *) = NULL;
-		struct super_operations sops __attribute__ ((unused));
+		int (*fsync) (struct file *, int) = NULL;
+		struct file_operations fops __attribute__ ((unused));
 
-		sops.evict_inode = evict_inode;
+		fops.fsync = fsync;
 
   ;
   return 0;
@@ -14400,11 +14560,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		{ $as_echo "$as_me:$LINENO: result: no dentry" >&5
+$as_echo "no dentry" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_EVICT_INODE 1
+#define HAVE_FSYNC_WITHOUT_DENTRY 1
 _ACEOF
 
 
@@ -14412,8 +14572,6 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
 
 
@@ -14424,26 +14582,166 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether symbol insert_inode_locked is exported" >&5
-$as_echo_n "checking whether symbol insert_inode_locked is exported... " >&6; }
-	grep -q -E '[[:space:]]insert_inode_locked[[:space:]]' \
-		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
-	rc=$?
-	if test $rc -ne 0; then
-		export=0
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		int (*fsync) (struct file *, loff_t, loff_t, int) = NULL;
+		struct file_operations fops __attribute__ ((unused));
+
+		fops.fsync = fsync;
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build
+	echo "obj-m := conftest.o" >build/Makefile
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+		{ $as_echo "$as_me:$LINENO: result: range" >&5
+$as_echo "range" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_FSYNC_RANGE 1
+_ACEOF
+
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+
+
+	{ $as_echo "$as_me:$LINENO: checking whether sops->evict_inode() exists" >&5
+$as_echo_n "checking whether sops->evict_inode() exists... " >&6; }
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/fs.h>
+
+int
+main (void)
+{
+
+		void (*evict_inode) (struct inode *) = NULL;
+		struct super_operations sops __attribute__ ((unused)) = {
+			.evict_inode = evict_inode,
+		};
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build
+	echo "obj-m := conftest.o" >build/Makefile
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_EVICT_INODE 1
+_ACEOF
+
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+
+
+fi
+
+	rm -Rf build
+
+
+
+
+	{ $as_echo "$as_me:$LINENO: checking whether symbol insert_inode_locked is exported" >&5
+$as_echo_n "checking whether symbol insert_inode_locked is exported... " >&6; }
+	grep -q -E '[[:space:]]insert_inode_locked[[:space:]]' \
+		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
+	rc=$?
+	if test $rc -ne 0; then
+
+		export=0
 		for file in fs/inode.c; do
 			grep -q -E "EXPORT_SYMBOL.*(insert_inode_locked)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14451,8 +14749,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_INSERT_INODE_LOCKED 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14460,7 +14762,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_INSERT_INODE_LOCKED 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -14470,20 +14774,27 @@ $as_echo_n "checking whether symbol d_obtain_alias is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/dcache.c; do
 			grep -q -E "EXPORT_SYMBOL.*(d_obtain_alias)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14491,8 +14802,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_D_OBTAIN_ALIAS 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14500,7 +14815,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_D_OBTAIN_ALIAS 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -14510,20 +14827,27 @@ $as_echo_n "checking whether symbol check_disk_size_change is exported... " >&6;
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/block_dev.c; do
 			grep -q -E "EXPORT_SYMBOL.*(check_disk_size_change)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14531,8 +14855,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_CHECK_DISK_SIZE_CHANGE 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14540,7 +14868,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_CHECK_DISK_SIZE_CHANGE 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -14550,20 +14880,27 @@ $as_echo_n "checking whether symbol truncate_setsize is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in mm/truncate.c; do
 			grep -q -E "EXPORT_SYMBOL.*(truncate_setsize)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14571,8 +14908,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_TRUNCATE_SETSIZE 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14580,7 +14921,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_TRUNCATE_SETSIZE 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -14658,20 +15001,27 @@ $as_echo_n "checking whether symbol mount_nodev is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/super.c; do
 			grep -q -E "EXPORT_SYMBOL.*(mount_nodev)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14679,8 +15029,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_MOUNT_NODEV 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -14688,7 +15042,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_MOUNT_NODEV 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -14758,9 +15114,65 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether symbol bdi_setup_and_register is exported" >&5
+$as_echo_n "checking whether symbol bdi_setup_and_register is exported... " >&6; }
+	grep -q -E '[[:space:]]bdi_setup_and_register[[:space:]]' \
+		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
+	rc=$?
+	if test $rc -ne 0; then
+
+		export=0
+		for file in mm/backing-dev.c; do
+			grep -q -E "EXPORT_SYMBOL.*(bdi_setup_and_register)" "$LINUX/$file" 2>/dev/null
+			rc=$?
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
+		done
+		if test $export -eq 0; then
+
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+
+else
+
+			{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_BDI_SETUP_AND_REGISTER 1
+_ACEOF
+
+
+fi
+
+
+else
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_BDI_SETUP_AND_REGISTER 1
+_ACEOF
+
+
+fi
+
+
+
+
 	if test "$LINUX_OBJ" != "$LINUX"; then
+
 		KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"
-	fi
+
+fi
+
 
 
 
@@ -16341,21 +16753,32 @@ fi
 	{ $as_echo "$as_me:$LINENO: checking kernel source directory" >&5
 $as_echo_n "checking kernel source directory... " >&6; }
 	if test -z "$kernelsrc"; then
+
 		if test -e "/lib/modules/$(uname -r)/source"; then
+
 			headersdir="/lib/modules/$(uname -r)/source"
 			sourcelink=$(readlink -f "$headersdir")
-		elif test -e "/lib/modules/$(uname -r)/build"; then
+
+elif test -e "/lib/modules/$(uname -r)/build"; then
+
 			headersdir="/lib/modules/$(uname -r)/build"
 			sourcelink=$(readlink -f "$headersdir")
-		else
+
+else
+
 			sourcelink=$(ls -1d /usr/src/kernels/* \
-				     /usr/src/linux-* \
+			             /usr/src/linux-* \
 			             2>/dev/null | grep -v obj | tail -1)
-		fi
+
+fi
+
 
 		if test -n "$sourcelink" && test -e ${sourcelink}; then
+
 			kernelsrc=`readlink -f ${sourcelink}`
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 			{ { $as_echo "$as_me:$LINENO: error:
@@ -16367,30 +16790,53 @@ $as_echo "$as_me: error:
 	*** is installed then try again.  If that fails you can specify the
 	*** location of the kernel source with the '--with-linux=PATH' option." >&2;}
    { (exit 1); exit 1; }; }
-		fi
-	else
+
+fi
+
+
+else
+
 		if test "$kernelsrc" = "NONE"; then
+
 			kernsrcver=NONE
-		fi
-	fi
+
+fi
+
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $kernelsrc" >&5
 $as_echo "$kernelsrc" >&6; }
 	{ $as_echo "$as_me:$LINENO: checking kernel build directory" >&5
 $as_echo_n "checking kernel build directory... " >&6; }
 	if test -z "$kernelbuild"; then
+
 		if test -e "/lib/modules/$(uname -r)/build"; then
+
 			kernelbuild=`readlink -f /lib/modules/$(uname -r)/build`
-		elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then
+
+elif test -d ${kernelsrc}-obj/${target_cpu}/${target_cpu}; then
+
 			kernelbuild=${kernelsrc}-obj/${target_cpu}/${target_cpu}
-		elif test -d ${kernelsrc}-obj/${target_cpu}/default; then
+
+elif test -d ${kernelsrc}-obj/${target_cpu}/default; then
+
 		        kernelbuild=${kernelsrc}-obj/${target_cpu}/default
-		elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then
+
+elif test -d `dirname ${kernelsrc}`/build-${target_cpu}; then
+
 			kernelbuild=`dirname ${kernelsrc}`/build-${target_cpu}
-		else
+
+else
+
 			kernelbuild=${kernelsrc}
-		fi
-	fi
+
+fi
+
+
+fi
+
 	{ $as_echo "$as_me:$LINENO: result: $kernelbuild" >&5
 $as_echo "$kernelbuild" >&6; }
 
@@ -16400,33 +16846,48 @@ $as_echo_n "checking kernel source version... " >&6; }
 	utsrelease2=$kernelbuild/include/linux/utsrelease.h
 	utsrelease3=$kernelbuild/include/generated/utsrelease.h
 	if test -r $utsrelease1 && fgrep -q UTS_RELEASE $utsrelease1; then
+
 		utsrelease=linux/version.h
-	elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then
+
+elif test -r $utsrelease2 && fgrep -q UTS_RELEASE $utsrelease2; then
+
 		utsrelease=linux/utsrelease.h
-	elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then
+
+elif test -r $utsrelease3 && fgrep -q UTS_RELEASE $utsrelease3; then
+
 		utsrelease=generated/utsrelease.h
-	fi
+
+fi
+
 
 	if test "$utsrelease"; then
+
 		kernsrcver=`(echo "#include <$utsrelease>";
 		             echo "kernsrcver=UTS_RELEASE") |
 		             cpp -I $kernelbuild/include |
 		             grep "^kernsrcver=" | cut -d \" -f 2`
 
 		if test -z "$kernsrcver"; then
+
 			{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 			{ { $as_echo "$as_me:$LINENO: error: *** Cannot determine kernel version." >&5
 $as_echo "$as_me: error: *** Cannot determine kernel version." >&2;}
    { (exit 1); exit 1; }; }
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 		{ { $as_echo "$as_me:$LINENO: error: *** Cannot find UTS_RELEASE definition." >&5
 $as_echo "$as_me: error: *** Cannot find UTS_RELEASE definition." >&2;}
    { (exit 1); exit 1; }; }
-	fi
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $kernsrcver" >&5
 $as_echo "$kernsrcver" >&6; }
@@ -16444,13 +16905,20 @@ $as_echo "$kernsrcver" >&6; }
 	{ $as_echo "$as_me:$LINENO: checking kernel file name for module symbols" >&5
 $as_echo_n "checking kernel file name for module symbols... " >&6; }
 	if test -f "$modpost"; then
+
 		if grep -q Modules.symvers $modpost; then
+
 			LINUX_SYMBOLS=Modules.symvers
-		else
+
+else
+
 			LINUX_SYMBOLS=Module.symvers
-		fi
 
-		if ! test -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then
+fi
+
+
+		if test ! -f "$LINUX_OBJ/$LINUX_SYMBOLS"; then
+
 			{ { $as_echo "$as_me:$LINENO: error:
 	*** Please make sure the kernel devel package for your distribution
 	*** is installed.  If your building with a custom kernel make sure the
@@ -16462,10 +16930,16 @@ $as_echo "$as_me: error:
 	*** kernel is configured, built, and the '--with-linux=PATH' configure
 	*** option refers to the location of the kernel source." >&2;}
    { (exit 1); exit 1; }; }
-		fi
-	else
+
+fi
+
+
+else
+
 		LINUX_SYMBOLS=NONE
-	fi
+
+fi
+
 	{ $as_echo "$as_me:$LINENO: result: $LINUX_SYMBOLS" >&5
 $as_echo "$LINUX_SYMBOLS" >&6; }
 
@@ -16490,16 +16964,23 @@ fi
 	{ $as_echo "$as_me:$LINENO: checking spl source directory" >&5
 $as_echo_n "checking spl source directory... " >&6; }
 	if test -z "$splsrc"; then
+
 		sourcelink=`ls -1d /usr/src/spl-*/${LINUX_VERSION} \
 		            2>/dev/null | tail -1`
 
 		if test -z "$sourcelink" || test ! -e $sourcelink; then
+
 			sourcelink=../spl
-		fi
+
+fi
+
 
 		if test -e $sourcelink; then
+
 			splsrc=`readlink -f ${sourcelink}`
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 			{ { $as_echo "$as_me:$LINENO: error:
@@ -16511,21 +16992,33 @@ $as_echo "$as_me: error:
 	*** is installed then try again.  If that fails you can specify the
 	*** location of the spl source with the '--with-spl=PATH' option." >&2;}
    { (exit 1); exit 1; }; }
-		fi
-	else
+
+fi
+
+
+else
+
 		if test "$splsrc" = "NONE"; then
+
 			splbuild=NONE
 			splsrcver=NONE
-		fi
-	fi
+
+fi
+
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $splsrc" >&5
 $as_echo "$splsrc" >&6; }
 	{ $as_echo "$as_me:$LINENO: checking spl build directory" >&5
 $as_echo_n "checking spl build directory... " >&6; }
 	if test -z "$splbuild"; then
+
 		splbuild=${splsrc}
-	fi
+
+fi
+
 	{ $as_echo "$as_me:$LINENO: result: $splbuild" >&5
 $as_echo "$splbuild" >&6; }
 
@@ -16534,23 +17027,29 @@ $as_echo_n "checking spl source version... " >&6; }
 	if test -r $splbuild/spl_config.h &&
 		fgrep -q SPL_META_VERSION $splbuild/spl_config.h; then
 
+
 		splsrcver=`(echo "#include <spl_config.h>";
 		            echo "splsrcver=SPL_META_VERSION") |
 		            cpp -I $splbuild |
 		            grep "^splsrcver=" | cut -d \" -f 2`
-	fi
+
+fi
+
 
 	if test -z "$splsrcver"; then
+
 		{ $as_echo "$as_me:$LINENO: result: Not found" >&5
 $as_echo "Not found" >&6; }
 		{ { $as_echo "$as_me:$LINENO: error:
-		*** Cannot determine the version of the spl source.
-		*** Please prepare the spl source before running this script" >&5
+	*** Cannot determine the version of the spl source.
+	*** Please prepare the spl source before running this script" >&5
 $as_echo "$as_me: error:
-		*** Cannot determine the version of the spl source.
-		*** Please prepare the spl source before running this script" >&2;}
+	*** Cannot determine the version of the spl source.
+	*** Please prepare the spl source before running this script" >&2;}
    { (exit 1); exit 1; }; }
-	fi
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $splsrcver" >&5
 $as_echo "$splsrcver" >&6; }
@@ -16567,16 +17066,27 @@ $as_echo "$splsrcver" >&6; }
 	{ $as_echo "$as_me:$LINENO: checking spl file name for module symbols" >&5
 $as_echo_n "checking spl file name for module symbols... " >&6; }
 	if test -r $SPL_OBJ/Module.symvers; then
+
 		SPL_SYMBOLS=Module.symvers
-	elif test -r $SPL_OBJ/Modules.symvers; then
+
+elif test -r $SPL_OBJ/Modules.symvers; then
+
 		SPL_SYMBOLS=Modules.symvers
-	elif test -r $SPL_OBJ/module/Module.symvers; then
+
+elif test -r $SPL_OBJ/module/Module.symvers; then
+
 		SPL_SYMBOLS=Module.symvers
-	elif test -r $SPL_OBJ/module/Modules.symvers; then
+
+elif test -r $SPL_OBJ/module/Modules.symvers; then
+
 		SPL_SYMBOLS=Modules.symvers
-	else
+
+else
+
 		SPL_SYMBOLS=$LINUX_SYMBOLS
-	fi
+
+fi
+
 
 	{ $as_echo "$as_me:$LINENO: result: $SPL_SYMBOLS" >&5
 $as_echo "$SPL_SYMBOLS" >&6; }
@@ -16631,11 +17141,11 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 		{ { $as_echo "$as_me:$LINENO: error:
-		*** Kernel built with CONFIG_PREEMPT which is not supported.
-		** You must rebuild your kernel without this option." >&5
+	*** Kernel built with CONFIG_PREEMPT which is not supported.
+	*** You must rebuild your kernel without this option." >&5
 $as_echo "$as_me: error:
-		*** Kernel built with CONFIG_PREEMPT which is not supported.
-		** You must rebuild your kernel without this option." >&2;}
+	*** Kernel built with CONFIG_PREEMPT which is not supported.
+	*** You must rebuild your kernel without this option." >&2;}
    { (exit 1); exit 1; }; }
 
 else
@@ -16656,6 +17166,7 @@ fi
 
 
 	if test "$ZFS_META_LICENSE" = CDDL; then
+
 		{ $as_echo "$as_me:$LINENO: checking whether Linux was built with CONFIG_DEBUG_LOCK_ALLOC" >&5
 $as_echo_n "checking whether Linux was built with CONFIG_DEBUG_LOCK_ALLOC... " >&6; }
 
@@ -16702,13 +17213,13 @@ _ACEOF
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 		{ { $as_echo "$as_me:$LINENO: error:
-		*** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is
-		*** incompatible with the CDDL license.  You must rebuild
-		*** your kernel without this option." >&5
+	*** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is
+	*** incompatible with the CDDL license.  You must rebuild
+	*** your kernel without this option." >&5
 $as_echo "$as_me: error:
-		*** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is
-		*** incompatible with the CDDL license.  You must rebuild
-		*** your kernel without this option." >&2;}
+	*** Kernel built with CONFIG_DEBUG_LOCK_ALLOC which is
+	*** incompatible with the CDDL license.  You must rebuild
+	*** your kernel without this option." >&2;}
    { (exit 1); exit 1; }; }
 
 else
@@ -16727,19 +17238,26 @@ fi
 
 
 
-	fi
+
+fi
+
 
 	if test "$ZFS_META_LICENSE" = GPL; then
 
+
 cat >>confdefs.h <<\_ACEOF
 #define HAVE_GPL_ONLY_SYMBOLS 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 	{ $as_echo "$as_me:$LINENO: checking block device operation prototypes" >&5
 $as_echo_n "checking block device operation prototypes... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -16817,6 +17335,7 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 	{ $as_echo "$as_me:$LINENO: checking whether kernel defines fmode_t" >&5
 $as_echo_n "checking whether kernel defines fmode_t... " >&6; }
@@ -16955,20 +17474,27 @@ $as_echo_n "checking whether symbol blkdev_get_by_path is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/block_dev.c; do
 			grep -q -E "EXPORT_SYMBOL.*(blkdev_get_by_path)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -16976,8 +17502,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_BLKDEV_GET_BY_PATH 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -16985,7 +17515,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_BLKDEV_GET_BY_PATH 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -16995,20 +17527,27 @@ $as_echo_n "checking whether symbol open_bdev_exclusive is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/block_dev.c; do
 			grep -q -E "EXPORT_SYMBOL.*(open_bdev_exclusive)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -17016,8 +17555,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_OPEN_BDEV_EXCLUSIVE 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -17025,7 +17568,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_OPEN_BDEV_EXCLUSIVE 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -17097,6 +17642,8 @@ fi
 
 	{ $as_echo "$as_me:$LINENO: checking whether bdev_logical_block_size() is available" >&5
 $as_echo_n "checking whether bdev_logical_block_size() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17159,6 +17706,7 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether bio_empty_barrier() is defined" >&5
@@ -17699,6 +18247,8 @@ fi
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_end_request() is available" >&5
 $as_echo_n "checking whether blk_end_request() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17829,10 +18379,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_fetch_request() is available" >&5
 $as_echo_n "checking whether blk_fetch_request() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17895,10 +18448,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_requeue_request() is available" >&5
 $as_echo_n "checking whether blk_requeue_request() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -17962,10 +18518,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_rq_bytes() is available" >&5
 $as_echo_n "checking whether blk_rq_bytes() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18096,10 +18655,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_rq_pos() is available" >&5
 $as_echo_n "checking whether blk_rq_pos() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18162,10 +18724,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether blk_rq_sectors() is available" >&5
 $as_echo_n "checking whether blk_rq_sectors() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18228,10 +18793,13 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether get_disk_ro() is available" >&5
 $as_echo_n "checking whether get_disk_ro() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18294,10 +18862,150 @@ fi
 	rm -Rf build
 
 
+	EXTRA_KCFLAGS="$tmp_flags"
 
 
 	{ $as_echo "$as_me:$LINENO: checking whether rq_is_sync() is available" >&5
 $as_echo_n "checking whether rq_is_sync() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/blkdev.h>
+
+int
+main (void)
+{
+
+		struct request *req = NULL;
+		(void) rq_is_sync(req);
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build
+	echo "obj-m := conftest.o" >build/Makefile
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_RQ_IS_SYNC 1
+_ACEOF
+
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+
+
+fi
+
+	rm -Rf build
+
+
+	EXTRA_KCFLAGS="$tmp_flags"
+
+
+	{ $as_echo "$as_me:$LINENO: checking whether rq_for_each_segment() is available" >&5
+$as_echo_n "checking whether rq_for_each_segment() is available... " >&6; }
+	tmp_flags="$EXTRA_KCFLAGS"
+	EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
+
+
+cat confdefs.h - <<_ACEOF >conftest.c
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+		#include <linux/blkdev.h>
+
+int
+main (void)
+{
+
+		struct bio_vec *bv;
+		struct req_iterator iter;
+		struct request *req = NULL;
+		rq_for_each_segment(bv, req, iter) { }
+
+  ;
+  return 0;
+}
+
+_ACEOF
+
+
+	rm -Rf build && mkdir -p build
+	echo "obj-m := conftest.o" >build/Makefile
+	if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_RQ_FOR_EACH_SEGMENT 1
+_ACEOF
+
+
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+		{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+
+
+fi
+
+	rm -Rf build
+
+
+	EXTRA_KCFLAGS="$tmp_flags"
+
+	{ $as_echo "$as_me:$LINENO: checking whether super_block uses const struct xattr_hander" >&5
+$as_echo_n "checking whether super_block uses const struct xattr_hander... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18308,14 +19016,26 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/blkdev.h>
+		#include <linux/fs.h>
+		#include <linux/xattr.h>
+
+		const struct xattr_handler xattr_test_handler = {
+			.prefix	= "test",
+			.get	= NULL,
+			.set	= NULL,
+		};
+
+		const struct xattr_handler *xattr_handlers[] = {
+			&xattr_test_handler,
+		};
 
 int
 main (void)
 {
 
-		struct request *req = NULL;
-		(void) rq_is_sync(req);
+		struct super_block sb __attribute__ ((unused));
+
+		sb.s_xattr = xattr_handlers;
 
   ;
   return 0;
@@ -18342,7 +19062,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_RQ_IS_SYNC 1
+#define HAVE_CONST_XATTR_HANDLER 1
 _ACEOF
 
 
@@ -18362,8 +19082,8 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether rq_for_each_segment() is available" >&5
-$as_echo_n "checking whether rq_for_each_segment() is available... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether xattr_handler->get() wants dentry" >&5
+$as_echo_n "checking whether xattr_handler->get() wants dentry... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18374,16 +19094,17 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/blkdev.h>
+		#include <linux/xattr.h>
 
 int
 main (void)
 {
 
-		struct bio_vec *bv;
-		struct req_iterator iter;
-		struct request *req = NULL;
-		rq_for_each_segment(bv, req, iter) { }
+		int (*get)(struct dentry *dentry, const char *name,
+		    void *buffer, size_t size, int handler_flags) = NULL;
+		struct xattr_handler xops __attribute__ ((unused));
+
+		xops.get = get;
 
   ;
   return 0;
@@ -18410,7 +19131,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_RQ_FOR_EACH_SEGMENT 1
+#define HAVE_DENTRY_XATTR_GET 1
 _ACEOF
 
 
@@ -18429,8 +19150,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether super_block uses const struct xattr_hander" >&5
-$as_echo_n "checking whether super_block uses const struct xattr_hander... " >&6; }
+
+	{ $as_echo "$as_me:$LINENO: checking whether xattr_handler->set() wants dentry" >&5
+$as_echo_n "checking whether xattr_handler->set() wants dentry... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18441,26 +19163,18 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/fs.h>
 		#include <linux/xattr.h>
 
-		const struct xattr_handler xattr_test_handler = {
-			.prefix	= "test",
-			.get	= NULL,
-			.set	= NULL,
-		};
-
-		const struct xattr_handler *xattr_handlers[] = {
-			&xattr_test_handler,
-		};
-
 int
 main (void)
 {
 
-		struct super_block sb __attribute__ ((unused));
+		int (*set)(struct dentry *dentry, const char *name,
+		    const void *buffer, size_t size, int flags,
+		    int handler_flags) = NULL;
+		struct xattr_handler xops __attribute__ ((unused));
 
-		sb.s_xattr = xattr_handlers;
+		xops.set = set;
 
   ;
   return 0;
@@ -18487,7 +19201,7 @@ _ACEOF
 $as_echo "yes" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_CONST_XATTR_HANDLER 1
+#define HAVE_DENTRY_XATTR_SET 1
 _ACEOF
 
 
@@ -18507,8 +19221,9 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether xattr_handler->get() wants dentry" >&5
-$as_echo_n "checking whether xattr_handler->get() wants dentry... " >&6; }
+	{ $as_echo "$as_me:$LINENO: checking whether fops->fsync() wants" >&5
+$as_echo_n "checking whether fops->fsync() wants... " >&6; }
+
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18519,17 +19234,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/xattr.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		int (*get)(struct dentry *dentry, const char *name,
-		    void *buffer, size_t size, int handler_flags) = NULL;
-		struct xattr_handler xops __attribute__ ((unused));
+		int (*fsync) (struct file *, struct dentry *, int) = NULL;
+		struct file_operations fops __attribute__ ((unused));
 
-		xops.get = get;
+		fops.fsync = fsync;
 
   ;
   return 0;
@@ -18552,11 +19266,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		{ $as_echo "$as_me:$LINENO: result: dentry" >&5
+$as_echo "dentry" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_DENTRY_XATTR_GET 1
+#define HAVE_FSYNC_WITH_DENTRY 1
 _ACEOF
 
 
@@ -18564,8 +19278,6 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
 
 
@@ -18576,8 +19288,6 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether xattr_handler->set() wants dentry" >&5
-$as_echo_n "checking whether xattr_handler->set() wants dentry... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18588,18 +19298,16 @@ cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
 
-		#include <linux/xattr.h>
+		#include <linux/fs.h>
 
 int
 main (void)
 {
 
-		int (*set)(struct dentry *dentry, const char *name,
-		    const void *buffer, size_t size, int flags,
-		    int handler_flags) = NULL;
-		struct xattr_handler xops __attribute__ ((unused));
+		int (*fsync) (struct file *, int) = NULL;
+		struct file_operations fops __attribute__ ((unused));
 
-		xops.set = set;
+		fops.fsync = fsync;
 
   ;
   return 0;
@@ -18622,11 +19330,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		{ $as_echo "$as_me:$LINENO: result: no dentry" >&5
+$as_echo "no dentry" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_DENTRY_XATTR_SET 1
+#define HAVE_FSYNC_WITHOUT_DENTRY 1
 _ACEOF
 
 
@@ -18634,8 +19342,6 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
 
 
@@ -18646,8 +19352,6 @@ fi
 
 
 
-	{ $as_echo "$as_me:$LINENO: checking whether fops->fsync() wants 2 args" >&5
-$as_echo_n "checking whether fops->fsync() wants 2 args... " >&6; }
 
 
 cat confdefs.h - <<_ACEOF >conftest.c
@@ -18664,7 +19368,7 @@ int
 main (void)
 {
 
-		int (*fsync) (struct file *, int datasync) = NULL;
+		int (*fsync) (struct file *, loff_t, loff_t, int) = NULL;
 		struct file_operations fops __attribute__ ((unused));
 
 		fops.fsync = fsync;
@@ -18690,11 +19394,11 @@ _ACEOF
   $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
 
-		{ $as_echo "$as_me:$LINENO: result: yes" >&5
-$as_echo "yes" >&6; }
+		{ $as_echo "$as_me:$LINENO: result: range" >&5
+$as_echo "range" >&6; }
 
 cat >>confdefs.h <<\_ACEOF
-#define HAVE_2ARGS_FSYNC 1
+#define HAVE_FSYNC_RANGE 1
 _ACEOF
 
 
@@ -18702,8 +19406,6 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-		{ $as_echo "$as_me:$LINENO: result: no" >&5
-$as_echo "no" >&6; }
 
 
 
@@ -18714,6 +19416,7 @@ fi
 
 
 
+
 	{ $as_echo "$as_me:$LINENO: checking whether sops->evict_inode() exists" >&5
 $as_echo_n "checking whether sops->evict_inode() exists... " >&6; }
 
@@ -18733,9 +19436,9 @@ main (void)
 {
 
 		void (*evict_inode) (struct inode *) = NULL;
-		struct super_operations sops __attribute__ ((unused));
-
-		sops.evict_inode = evict_inode;
+		struct super_operations sops __attribute__ ((unused)) = {
+			.evict_inode = evict_inode,
+		};
 
   ;
   return 0;
@@ -18788,20 +19491,27 @@ $as_echo_n "checking whether symbol insert_inode_locked is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/inode.c; do
 			grep -q -E "EXPORT_SYMBOL.*(insert_inode_locked)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18809,8 +19519,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_INSERT_INODE_LOCKED 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18818,7 +19532,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_INSERT_INODE_LOCKED 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -18828,20 +19544,27 @@ $as_echo_n "checking whether symbol d_obtain_alias is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/dcache.c; do
 			grep -q -E "EXPORT_SYMBOL.*(d_obtain_alias)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18849,8 +19572,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_D_OBTAIN_ALIAS 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18858,7 +19585,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_D_OBTAIN_ALIAS 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -18868,20 +19597,27 @@ $as_echo_n "checking whether symbol check_disk_size_change is exported... " >&6;
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/block_dev.c; do
 			grep -q -E "EXPORT_SYMBOL.*(check_disk_size_change)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18889,8 +19625,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_CHECK_DISK_SIZE_CHANGE 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18898,7 +19638,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_CHECK_DISK_SIZE_CHANGE 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -18908,20 +19650,27 @@ $as_echo_n "checking whether symbol truncate_setsize is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in mm/truncate.c; do
 			grep -q -E "EXPORT_SYMBOL.*(truncate_setsize)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18929,8 +19678,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_TRUNCATE_SETSIZE 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -18938,7 +19691,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_TRUNCATE_SETSIZE 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -19016,20 +19771,27 @@ $as_echo_n "checking whether symbol mount_nodev is exported... " >&6; }
 		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
 	rc=$?
 	if test $rc -ne 0; then
+
 		export=0
 		for file in fs/super.c; do
 			grep -q -E "EXPORT_SYMBOL.*(mount_nodev)" "$LINUX/$file" 2>/dev/null
 			rc=$?
-		        if test $rc -eq 0; then
-		                export=1
-		                break;
-		        fi
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
 		done
 		if test $export -eq 0; then
+
 			{ $as_echo "$as_me:$LINENO: result: no" >&5
 $as_echo "no" >&6; }
 
-		else
+
+else
+
 			{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -19037,8 +19799,12 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_MOUNT_NODEV 1
 _ACEOF
 
-		fi
-	else
+
+fi
+
+
+else
+
 		{ $as_echo "$as_me:$LINENO: result: yes" >&5
 $as_echo "yes" >&6; }
 
@@ -19046,7 +19812,9 @@ cat >>confdefs.h <<\_ACEOF
 #define HAVE_MOUNT_NODEV 1
 _ACEOF
 
-	fi
+
+fi
+
 
 
 
@@ -19116,9 +19884,65 @@ fi
 
 
 
+	{ $as_echo "$as_me:$LINENO: checking whether symbol bdi_setup_and_register is exported" >&5
+$as_echo_n "checking whether symbol bdi_setup_and_register is exported... " >&6; }
+	grep -q -E '[[:space:]]bdi_setup_and_register[[:space:]]' \
+		$LINUX_OBJ/$LINUX_SYMBOLS 2>/dev/null
+	rc=$?
+	if test $rc -ne 0; then
+
+		export=0
+		for file in mm/backing-dev.c; do
+			grep -q -E "EXPORT_SYMBOL.*(bdi_setup_and_register)" "$LINUX/$file" 2>/dev/null
+			rc=$?
+			if test $rc -eq 0; then
+
+				export=1
+				break;
+
+fi
+
+		done
+		if test $export -eq 0; then
+
+			{ $as_echo "$as_me:$LINENO: result: no" >&5
+$as_echo "no" >&6; }
+
+
+else
+
+			{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_BDI_SETUP_AND_REGISTER 1
+_ACEOF
+
+
+fi
+
+
+else
+
+		{ $as_echo "$as_me:$LINENO: result: yes" >&5
+$as_echo "yes" >&6; }
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_BDI_SETUP_AND_REGISTER 1
+_ACEOF
+
+
+fi
+
+
+
+
 	if test "$LINUX_OBJ" != "$LINUX"; then
+
 		KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS O=$LINUX_OBJ"
-	fi
+
+fi
+
 
 
 
@@ -20744,7 +21568,7 @@ fi
 $as_echo "$enable_debug" >&6; }
 
 
-ac_config_files="$ac_config_files Makefile dracut/Makefile dracut/90zfs/Makefile udev/Makefile udev/rules.d/Makefile etc/Makefile etc/init.d/Makefile etc/init.d/zfs.arch etc/init.d/zfs.gentoo etc/init.d/zfs.lunar etc/init.d/zfs.fedora etc/init.d/zfs.lsb etc/init.d/zfs.redhat etc/zfs/Makefile man/Makefile man/man8/Makefile lib/Makefile lib/libspl/Makefile lib/libspl/asm-generic/Makefile lib/libspl/asm-i386/Makefile lib/libspl/asm-x86_64/Makefile lib/libspl/include/Makefile lib/libspl/include/ia32/Makefile lib/libspl/include/ia32/sys/Makefile lib/libspl/include/rpc/Makefile lib/libspl/include/sys/Makefile lib/libspl/include/sys/sysevent/Makefile lib/libspl/include/sys/dktp/Makefile lib/libspl/include/util/Makefile lib/libavl/Makefile lib/libefi/Makefile lib/libnvpair/Makefile lib/libunicode/Makefile lib/libuutil/Makefile lib/libzpool/Makefile lib/libzfs/Makefile lib/libshare/Makefile cmd/Makefile cmd/zdb/Makefile cmd/zfs/Makefile cmd/zinject/Makefile cmd/zpool/Makefile cmd/ztest/Makefile cmd/zpios/Makefile cmd/mount_zfs/Makefile cmd/zpool_layout/Makefile cmd/zvol_id/Makefile cmd/zpool_id/Makefile cmd/sas_switch_id/Makefile module/Makefile module/avl/Makefile module/nvpair/Makefile module/unicode/Makefile module/zcommon/Makefile module/zfs/Makefile module/zpios/Makefile include/Makefile include/linux/Makefile include/sys/Makefile include/sys/fs/Makefile include/sys/fm/Makefile include/sys/fm/fs/Makefile scripts/Makefile scripts/zpios-profile/Makefile scripts/zpios-test/Makefile scripts/zpool-config/Makefile scripts/zpool-layout/Makefile scripts/common.sh zfs.spec zfs-modules.spec zfs-script-config.sh"
+ac_config_files="$ac_config_files Makefile dracut/Makefile dracut/90zfs/Makefile udev/Makefile udev/rules.d/Makefile etc/Makefile etc/init.d/Makefile etc/zfs/Makefile man/Makefile man/man8/Makefile lib/Makefile lib/libspl/Makefile lib/libspl/asm-generic/Makefile lib/libspl/asm-i386/Makefile lib/libspl/asm-x86_64/Makefile lib/libspl/include/Makefile lib/libspl/include/ia32/Makefile lib/libspl/include/ia32/sys/Makefile lib/libspl/include/rpc/Makefile lib/libspl/include/sys/Makefile lib/libspl/include/sys/sysevent/Makefile lib/libspl/include/sys/dktp/Makefile lib/libspl/include/util/Makefile lib/libavl/Makefile lib/libefi/Makefile lib/libnvpair/Makefile lib/libunicode/Makefile lib/libuutil/Makefile lib/libzpool/Makefile lib/libzfs/Makefile lib/libshare/Makefile cmd/Makefile cmd/zdb/Makefile cmd/zfs/Makefile cmd/zinject/Makefile cmd/zpool/Makefile cmd/ztest/Makefile cmd/zpios/Makefile cmd/mount_zfs/Makefile cmd/zpool_layout/Makefile cmd/zvol_id/Makefile cmd/zpool_id/Makefile cmd/sas_switch_id/Makefile module/Makefile module/avl/Makefile module/nvpair/Makefile module/unicode/Makefile module/zcommon/Makefile module/zfs/Makefile module/zpios/Makefile include/Makefile include/linux/Makefile include/sys/Makefile include/sys/fs/Makefile include/sys/fm/Makefile include/sys/fm/fs/Makefile scripts/Makefile scripts/zpios-profile/Makefile scripts/zpios-test/Makefile scripts/zpool-config/Makefile scripts/zpool-layout/Makefile scripts/common.sh zfs.spec zfs-modules.spec zfs-script-config.sh"
 
 
 cat >confcache <<\_ACEOF
@@ -21667,12 +22491,6 @@ do
     "udev/rules.d/Makefile") CONFIG_FILES="$CONFIG_FILES udev/rules.d/Makefile" ;;
     "etc/Makefile") CONFIG_FILES="$CONFIG_FILES etc/Makefile" ;;
     "etc/init.d/Makefile") CONFIG_FILES="$CONFIG_FILES etc/init.d/Makefile" ;;
-    "etc/init.d/zfs.arch") CONFIG_FILES="$CONFIG_FILES etc/init.d/zfs.arch" ;;
-    "etc/init.d/zfs.gentoo") CONFIG_FILES="$CONFIG_FILES etc/init.d/zfs.gentoo" ;;
-    "etc/init.d/zfs.lunar") CONFIG_FILES="$CONFIG_FILES etc/init.d/zfs.lunar" ;;
-    "etc/init.d/zfs.fedora") CONFIG_FILES="$CONFIG_FILES etc/init.d/zfs.fedora" ;;
-    "etc/init.d/zfs.lsb") CONFIG_FILES="$CONFIG_FILES etc/init.d/zfs.lsb" ;;
-    "etc/init.d/zfs.redhat") CONFIG_FILES="$CONFIG_FILES etc/init.d/zfs.redhat" ;;
     "etc/zfs/Makefile") CONFIG_FILES="$CONFIG_FILES etc/zfs/Makefile" ;;
     "man/Makefile") CONFIG_FILES="$CONFIG_FILES man/Makefile" ;;
     "man/man8/Makefile") CONFIG_FILES="$CONFIG_FILES man/man8/Makefile" ;;