Build ZFS directly from upstream

This change updates the build process to directly build the kernel from
upstream sources, as opposed to requiring the Proxmox zfsonlinux
repository to build the patched sources.

.gitmodules

@@ -1,8 +1,7 @@
 [submodule "zfs"]
 	path = zfs
-	url = git://git.proxmox.com/git/zfsonlinux.git
+	url = git@github.com:openzfs/zfs.git
 
 [submodule "linux"]
 	path = linux
 	url = git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
-	shallow = true

Makefile

@@ -43,14 +43,11 @@ KERNEL_SRC=linux
 KERNEL_SRC_SUBMODULE=$(KERNEL_SRC)
 KERNEL_CFG_ORG=config-${KERNEL_VER}.org
 
-ZFSONLINUX_SUBMODULE=zfs/
-ZFSDIR=pkg-zfs
-
 MODULES=modules
 MODULE_DIRS=${ZFSDIR}
 
 # exported to debian/rules via debian/rules.d/dirs.mk
-DIRS=KERNEL_SRC ZFSDIR MODULES
+DIRS=KERNEL_SRC MODULES
 
 DST_DEB=${PACKAGE}_${KERNEL_VER}-${PKGRELFULL}_${ARCH}.deb
 HDR_DEB=${HDRPACKAGE}_${KERNEL_VER}-${PKGRELFULL}_${ARCH}.deb
@@ -105,22 +102,12 @@ ${KERNEL_SRC}.prepared: ${KERNEL_SRC_SUBMODULE}
 	cp -a ${KERNEL_SRC_SUBMODULE} ${BUILD_DIR}/${KERNEL_SRC}
 	sed -i ${BUILD_DIR}/${KERNEL_SRC}/Makefile -e 's/^EXTRAVERSION.*$$/EXTRAVERSION=${EXTRAVERSION}/'
 	rm -rf ${BUILD_DIR}/${KERNEL_SRC}/debian
+	cp -r zfs ${BUILD_DIR}/zfs
 	touch $@
 
 ${MODULES}.prepared: $(addsuffix .prepared,${MODULE_DIRS})
 	touch $@
 
-ZFS_PATCHES=$(wildcard patches/zfs/*.patch)
-
-${ZFSDIR}.prepared: ${ZFSONLINUX_SUBMODULE}
-	rm -rf ${BUILD_DIR}/${MODULES}/${ZFSDIR} ${BUILD_DIR}/${MODULES}/tmp $@
-	mkdir -p ${BUILD_DIR}/${MODULES}/tmp
-	cp -a ${ZFSONLINUX_SUBMODULE}/* ${BUILD_DIR}/${MODULES}/tmp
-	set -e; cd ${BUILD_DIR}/${MODULES}/tmp/upstream; for patch in ${ZFS_PATCHES}; do echo "applying patch '$$patch'" && patch -p1 < ../../../../$${patch}; done
-	cd ${BUILD_DIR}/${MODULES}/tmp; make kernel
-	rm -rf ${BUILD_DIR}/${MODULES}/tmp
-	touch ${ZFSDIR}.prepared
-
 .PHONY: clean
 clean:
 	rm -rf *~ build *.prepared ${KERNEL_CFG_ORG}

debian/patches/series.zfs

@@ -0,0 +1,9 @@
+zfs/0001-Check-for-META-and-DCH-consistency-in-autoconf.patch
+zfs/0002-always-load-ZFS-module-on-boot.patch
+zfs/0003-Fix-the-path-to-the-zed-binary-on-the-systemd-unit.patch
+zfs/0004-import-with-d-dev-disk-by-id-in-scan-service.patch
+zfs/0005-Enable-zed-emails.patch
+zfs/0006-dont-symlink-zed-scripts.patch
+zfs/0007-Use-installed-python3.patch
+zfs/0008-Add-systemd-unit-for-importing-specific-pools.patch
+zfs/0009-Patch-move-manpage-arcstat-1-to-arcstat-8.patch

debian/patches/zfs/0001-Check-for-META-and-DCH-consistency-in-autoconf.patch

@@ -0,0 +1,70 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Debian ZFS on Linux maintainers
+ <pkg-zfsonlinux-devel@alioth-lists.debian.net>
+Date: Wed, 30 Jan 2019 15:12:04 +0100
+Subject: [PATCH] Check-for-META-and-DCH-consistency-in-autoconf
+
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+---
+ config/zfs-meta.m4 | 34 +++++++++++++++++++++++++++++-----
+ 1 file changed, 29 insertions(+), 5 deletions(-)
+
+diff --git a/config/zfs-meta.m4 b/config/zfs-meta.m4
+index b3c1befaa..660d8ccb9 100644
+--- a/config/zfs-meta.m4
++++ b/config/zfs-meta.m4
+@@ -1,9 +1,10 @@
+ dnl #
+ dnl # DESCRIPTION:
+-dnl # Read meta data from the META file.  When building from a git repository
+-dnl # the ZFS_META_RELEASE field will be overwritten if there is an annotated
+-dnl # tag matching the form ZFS_META_NAME-ZFS_META_VERSION-*.  This allows
+-dnl # for working builds to be uniquely identified using the git commit hash.
++dnl # Read meta data from the META file or the debian/changelog file if it
++dnl # exists.  When building from a git repository the ZFS_META_RELEASE field
++dnl # will be overwritten if there is an annotated tag matching the form
++dnl # ZFS_META_NAME-ZFS_META_VERSION-*.  This allows for working builds to be
++dnl # uniquely identified using the git commit hash.
+ dnl #
+ dnl #    The META file format is as follows:
+ dnl #      ^[ ]*KEY:[ \t]+VALUE$
+@@ -49,6 +50,7 @@ AC_DEFUN([ZFS_AC_META], [
+ 	_zfs_ac_meta_type="none"
+ 	if test -f "$META"; then
+ 		_zfs_ac_meta_type="META file"
++		_dpkg_parsechangelog=$(dpkg-parsechangelog 2>/dev/null)
+ 
+ 		ZFS_META_NAME=_ZFS_AC_META_GETVAL([(Name|Project|Package)]);
+ 		if test -n "$ZFS_META_NAME"; then
+@@ -69,8 +71,30 @@ AC_DEFUN([ZFS_AC_META], [
+ 			AC_SUBST([ZFS_META_VERSION])
+ 		fi
+ 
++		if test -n "${_dpkg_parsechangelog}"; then
++			_dpkg_version=$(echo "${_dpkg_parsechangelog}" \
++				| $AWK '$[]1 == "Version:" { print $[]2; }' \
++				| cut -d- -f1)
++			if test "${_dpkg_version}" != "$ZFS_META_VERSION"; then
++				AC_MSG_ERROR([
++	*** Version $ZFS_META_VERSION in the META file is different than
++	*** version $_dpkg_version in the debian/changelog file. DKMS and DEB
++	*** packaging require that these files have the same version.
++				])
++			fi
++		fi
++
+ 		ZFS_META_RELEASE=_ZFS_AC_META_GETVAL([Release]);
+-		if test ! -f ".nogitrelease" && git rev-parse --git-dir > /dev/null 2>&1; then
++
++		if test -n "${_dpkg_parsechangelog}"; then
++			_dpkg_release=$(echo "${_dpkg_parsechangelog}" \
++				| $AWK '$[]1 == "Version:" { print $[]2; }' \
++				| cut -d- -f2-)
++			if test -n "${_dpkg_release}"; then
++				ZFS_META_RELEASE=${_dpkg_release}
++				_zfs_ac_meta_type="dpkg-parsechangelog"
++			fi
++		elif test ! -f ".nogitrelease" && git rev-parse --git-dir > /dev/null 2>&1; then
+ 			_match="${ZFS_META_NAME}-${ZFS_META_VERSION}"
+ 			_alias=$(git describe --match=${_match} 2>/dev/null)
+ 			_release=$(echo ${_alias}|cut -f3- -d'-'|sed 's/-/_/g')

debian/patches/zfs/0002-always-load-ZFS-module-on-boot.patch

@@ -0,0 +1,29 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
+Date: Fri, 19 Jan 2018 12:13:46 +0100
+Subject: [PATCH] always load ZFS module on boot
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+since zfs-import-scan.service is disabled by default, and
+zfs-import-cache.service only gets started if a cache file exists, this
+is needed for zfs-mount, zfs-share and zfs-zed services in case ZFS is
+not actually used.
+
+Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+---
+ etc/modules-load.d/zfs.conf | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/etc/modules-load.d/zfs.conf b/etc/modules-load.d/zfs.conf
+index 44e1bb3ed..7509b03cb 100644
+--- a/etc/modules-load.d/zfs.conf
++++ b/etc/modules-load.d/zfs.conf
+@@ -1,3 +1,3 @@
+ # The default behavior is to allow udev to load the kernel modules on demand.
+ # Uncomment the following line to unconditionally load them at boot.
+-#zfs
++zfs

debian/patches/zfs/0003-Fix-the-path-to-the-zed-binary-on-the-systemd-unit.patch

@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
+Date: Mon, 6 Feb 2017 12:04:35 +0100
+Subject: [PATCH] Fix the path to the zed binary on the systemd unit.
+
+We install zed into /usr/sbin manually meanwhile the upstream default is
+installing it into /sbin. Ubuntu packages also install zed to /usr/sbin, but
+they ship their own zfs-zed unit.
+
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+---
+ etc/systemd/system/zfs-zed.service.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/etc/systemd/system/zfs-zed.service.in b/etc/systemd/system/zfs-zed.service.in
+index 008075138..570e27707 100644
+--- a/etc/systemd/system/zfs-zed.service.in
++++ b/etc/systemd/system/zfs-zed.service.in
+@@ -4,7 +4,7 @@ Documentation=man:zed(8)
+ ConditionPathIsDirectory=/sys/module/zfs
+ 
+ [Service]
+-ExecStart=@sbindir@/zed -F
++ExecStart=/usr/sbin/zed -F
+ Restart=on-abort
+ 
+ [Install]

debian/patches/zfs/0004-import-with-d-dev-disk-by-id-in-scan-service.patch

@@ -0,0 +1,28 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Fabian=20Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
+Date: Mon, 24 Oct 2016 13:47:06 +0200
+Subject: [PATCH] import with -d /dev/disk/by-id in scan service
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
+Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+---
+ etc/systemd/system/zfs-import-scan.service.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/etc/systemd/system/zfs-import-scan.service.in b/etc/systemd/system/zfs-import-scan.service.in
+index f0317e23e..9a5e9cb17 100644
+--- a/etc/systemd/system/zfs-import-scan.service.in
++++ b/etc/systemd/system/zfs-import-scan.service.in
+@@ -13,7 +13,7 @@ ConditionPathIsDirectory=/sys/module/zfs
+ [Service]
+ Type=oneshot
+ RemainAfterExit=yes
+-ExecStart=@sbindir@/zpool import -aN -o cachefile=none
++ExecStart=@sbindir@/zpool import -aN -d /dev/disk/by-id -o cachefile=none
+ 
+ [Install]
+ WantedBy=zfs-import.target

debian/patches/zfs/0005-Enable-zed-emails.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Richard Laager <rlaager@wiktel.com>
+Date: Wed, 30 Jan 2019 15:12:04 +0100
+Subject: [PATCH] Enable zed emails
+
+The OpenZFS event daemon monitors pools. This patch enables the email sending
+function by default (if zed is installed). This is consistent with the default
+behavior of mdadm.
+
+Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
+---
+ cmd/zed/zed.d/zed.rc | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/cmd/zed/zed.d/zed.rc b/cmd/zed/zed.d/zed.rc
+index df560f921..4ce7af744 100644
+--- a/cmd/zed/zed.d/zed.rc
++++ b/cmd/zed/zed.d/zed.rc
+@@ -15,7 +15,7 @@
+ # Email will only be sent if ZED_EMAIL_ADDR is defined.
+ # Disabled by default; uncomment to enable.
+ #
+-#ZED_EMAIL_ADDR="root"
++ZED_EMAIL_ADDR="root"
+ 
+ ##
+ # Name or path of executable responsible for sending notifications via email;
+@@ -41,7 +41,7 @@
+ ##
+ # Minimum number of seconds between notifications for a similar event.
+ #
+-#ZED_NOTIFY_INTERVAL_SECS=3600
++ZED_NOTIFY_INTERVAL_SECS=3600
+ 
+ ##
+ # Notification verbosity.

debian/patches/zfs/0006-dont-symlink-zed-scripts.patch

@@ -0,0 +1,29 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Antonio Russo <antonio.e.russo@gmail.com>
+Date: Fri, 20 Mar 2020 17:28:43 +0100
+Subject: [PATCH] dont symlink zed scripts
+
+(cherry picked and adapted from 5cee380324d74e640d5dd7a360faba3994c8007f [0])
+
+[0] https://salsa.debian.org/zfsonlinux-team/zfs.git
+
+Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
+
+Description: track default symlinks, instead of symlinking
+Forwarded: no need
+---
+ cmd/zed/zed.d/Makefile.am | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/cmd/zed/zed.d/Makefile.am b/cmd/zed/zed.d/Makefile.am
+index 8b2d0c200..118c96547 100644
+--- a/cmd/zed/zed.d/Makefile.am
++++ b/cmd/zed/zed.d/Makefile.am
+@@ -48,6 +48,6 @@ install-data-hook:
+ 	for f in $(zedconfdefaults); do \
+ 	  test -f "$(DESTDIR)$(zedconfdir)/$${f}" -o \
+ 	       -L "$(DESTDIR)$(zedconfdir)/$${f}" || \
+-	    ln -s "$(zedexecdir)/$${f}" "$(DESTDIR)$(zedconfdir)"; \
++	    echo "$${f}" >> "$(DESTDIR)$(zedexecdir)/DEFAULT-ENABLED" ; \
+ 	done
+ 	chmod 0600 "$(DESTDIR)$(zedconfdir)/zed.rc"

debian/patches/zfs/0007-Use-installed-python3.patch

@@ -0,0 +1,55 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Antonio Russo <antonio.e.russo@gmail.com>
+Date: Tue, 5 May 2020 22:15:16 -0600
+Subject: [PATCH] Use installed python3
+
+---
+ .../functional/cli_root/zfs_program/zfs_program_json.ksh    | 6 +++---
+ .../tests/functional/rsend/send_encrypted_files.ksh         | 2 +-
+ .../tests/functional/rsend/send_realloc_dnode_size.ksh      | 2 +-
+ 3 files changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh
+index 3788543b0..c7ee4ae9a 100755
+--- a/tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh
++++ b/tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh
+@@ -100,10 +100,10 @@ typeset -a pos_cmds_out=(
+ # the same as the input and the --sort-keys option was added.  Detect when
+ # --sort-keys is supported and apply the option to ensure the expected order.
+ #
+-if python -m json.tool --sort-keys <<< "{}"; then
+-	JSON_TOOL_CMD="python -m json.tool --sort-keys"
++if python3 -m json.tool --sort-keys <<< "{}"; then
++	JSON_TOOL_CMD="python3 -m json.tool --sort-keys"
+ else
+-	JSON_TOOL_CMD="python -m json.tool"
++	JSON_TOOL_CMD="python3 -m json.tool"
+ fi
+ 
+ typeset -i cnt=0
+diff --git a/tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh b/tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh
+index f89cb3b31..375d483f7 100755
+--- a/tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh
++++ b/tests/zfs-tests/tests/functional/rsend/send_encrypted_files.ksh
+@@ -87,7 +87,7 @@ log_must xattrtest -f 10 -x 3 -s 32768 -r -k -p /$TESTPOOL/$TESTFS2/xattrsadir
+ # ZoL issue #7432
+ log_must zfs set compression=on xattr=sa $TESTPOOL/$TESTFS2
+ log_must touch /$TESTPOOL/$TESTFS2/attrs
+-log_must eval "python -c 'print \"a\" * 4096' | \
++log_must eval "python3 -c 'print \"a\" * 4096' | \
+ 	set_xattr_stdin bigval /$TESTPOOL/$TESTFS2/attrs"
+ log_must zfs set compression=off xattr=on $TESTPOOL/$TESTFS2
+ 
+diff --git a/tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh b/tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh
+index 394fe95bb..43560aac5 100755
+--- a/tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh
++++ b/tests/zfs-tests/tests/functional/rsend/send_realloc_dnode_size.ksh
+@@ -93,7 +93,7 @@ log_must zfs snapshot $POOL/fs@c
+ # 4. Create an empty file and add xattrs to it to exercise reclaiming a
+ #    dnode that requires more than 1 slot for its bonus buffer (Zol #7433)
+ log_must zfs set compression=on xattr=sa $POOL/fs
+-log_must eval "python -c 'print \"a\" * 512' |
++log_must eval "python3 -c 'print \"a\" * 512' |
+     set_xattr_stdin bigval /$POOL/fs/attrs"
+ log_must zfs snapshot $POOL/fs@d
+ 

debian/patches/zfs/0008-Add-systemd-unit-for-importing-specific-pools.patch

@@ -0,0 +1,66 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Stoiko Ivanov <s.ivanov@proxmox.com>
+Date: Tue, 15 Sep 2020 19:07:24 +0200
+Subject: [PATCH] Add systemd-unit for importing specific pools
+
+The unit can be instantiated with a specific poolname, which will get imported
+by scanning /dev/disk/by-id, irrespective of the existence and content of
+/etc/zfs/zpool.cache.
+
+the instance name is used unescaped (see systemd.unit(5)), since zpool names
+can contain characters which will be escaped by systemd.
+
+Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
+---
+ etc/systemd/system/50-zfs.preset.in       |  1 +
+ etc/systemd/system/Makefile.am            |  1 +
+ etc/systemd/system/zfs-import@.service.in | 16 ++++++++++++++++
+ 3 files changed, 18 insertions(+)
+ create mode 100644 etc/systemd/system/zfs-import@.service.in
+
+diff --git a/etc/systemd/system/50-zfs.preset.in b/etc/systemd/system/50-zfs.preset.in
+index e4056a92c..030611419 100644
+--- a/etc/systemd/system/50-zfs.preset.in
++++ b/etc/systemd/system/50-zfs.preset.in
+@@ -1,6 +1,7 @@
+ # ZFS is enabled by default
+ enable zfs-import-cache.service
+ disable zfs-import-scan.service
++enable zfs-import@.service
+ enable zfs-import.target
+ enable zfs-mount.service
+ enable zfs-share.service
+diff --git a/etc/systemd/system/Makefile.am b/etc/systemd/system/Makefile.am
+index c374a52ac..25d1b99d7 100644
+--- a/etc/systemd/system/Makefile.am
++++ b/etc/systemd/system/Makefile.am
+@@ -7,6 +7,7 @@ systemdunit_DATA = \
+ 	zfs-zed.service \
+ 	zfs-import-cache.service \
+ 	zfs-import-scan.service \
++	zfs-import@.service \
+ 	zfs-mount.service \
+ 	zfs-share.service \
+ 	zfs-volume-wait.service \
+diff --git a/etc/systemd/system/zfs-import@.service.in b/etc/systemd/system/zfs-import@.service.in
+new file mode 100644
+index 000000000..9b4ee9371
+--- /dev/null
++++ b/etc/systemd/system/zfs-import@.service.in
+@@ -0,0 +1,16 @@
++[Unit]
++Description=Import ZFS pool %i
++Documentation=man:zpool(8)
++DefaultDependencies=no
++After=systemd-udev-settle.service
++After=cryptsetup.target
++After=multipathd.target
++Before=zfs-import.target
++
++[Service]
++Type=oneshot
++RemainAfterExit=yes
++ExecStart=@sbindir@/zpool import -N -d /dev/disk/by-id -o cachefile=none %I
++
++[Install]
++WantedBy=zfs-import.target

debian/patches/zfs/0009-Patch-move-manpage-arcstat-1-to-arcstat-8.patch

@@ -0,0 +1,54 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Stoiko Ivanov <s.ivanov@proxmox.com>
+Date: Thu, 4 Feb 2021 19:01:12 +0100
+Subject: [PATCH] Patch: move manpage arcstat(1) to arcstat(8).
+
+Originally-By: Mo Zhou <cdluminate@gmail.com>
+Originally-By: Antonio Russo <aerusso@aerusso.net>
+
+Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
+---
+ man/man1/Makefile.am                   | 2 +-
+ man/man8/Makefile.am                   | 1 +
+ man/{man1/arcstat.1 => man8/arcstat.8} | 2 +-
+ 3 files changed, 3 insertions(+), 2 deletions(-)
+ rename man/{man1/arcstat.1 => man8/arcstat.8} (99%)
+
+diff --git a/man/man1/Makefile.am b/man/man1/Makefile.am
+index 8d7457a3e..101af7b6c 100644
+--- a/man/man1/Makefile.am
++++ b/man/man1/Makefile.am
+@@ -1,4 +1,4 @@
+-dist_man_MANS = zhack.1 ztest.1 raidz_test.1 zvol_wait.1 arcstat.1
++dist_man_MANS = zhack.1 ztest.1 raidz_test.1 zvol_wait.1
+ EXTRA_DIST = cstyle.1
+ 
+ if BUILD_LINUX
+diff --git a/man/man8/Makefile.am b/man/man8/Makefile.am
+index 07f6aefa6..a757b1c62 100644
+--- a/man/man8/Makefile.am
++++ b/man/man8/Makefile.am
+@@ -1,6 +1,7 @@
+ include $(top_srcdir)/config/Substfiles.am
+ 
+ dist_man_MANS = \
++	arcstat.8 \
+ 	fsck.zfs.8 \
+ 	mount.zfs.8 \
+ 	vdev_id.8 \
+diff --git a/man/man1/arcstat.1 b/man/man8/arcstat.8
+similarity index 99%
+rename from man/man1/arcstat.1
+rename to man/man8/arcstat.8
+index ca508b49c..0aa81849a 100644
+--- a/man/man1/arcstat.1
++++ b/man/man8/arcstat.8
+@@ -13,7 +13,7 @@
+ .\" Copyright (c) 2015 by Delphix. All rights reserved.
+ .\" Copyright (c) 2020 by AJ Jordan. All rights reserved.
+ .\"
+-.TH ARCSTAT 1 "Oct 20, 2020" OpenZFS
++.TH ARCSTAT 8 "Oct 20, 2020" OpenZFS
+ .SH NAME
+ arcstat \- report ZFS ARC and L2ARC statistics
+ .SH SYNOPSIS

debian/rules

@@ -41,13 +41,21 @@ override_dh_quilt_patch:
 		QUILT_PATCHES=../debian/patches  \
 		QUILT_SERIES=series.linux \
 		quilt --quiltrc /dev/null --color=always push -a || test $$? = 2
+	cd zfs; \
+    	QUILT_PATCHES=../debian/patches  \
+    	QUILT_SERIES=series.zfs \
+    	quilt --quiltrc /dev/null --color=always push -a || test $$? = 2
 
 override_dh_quilt_unpatch:
 	cd linux; \
 		QUILT_PATCHES=../debian/patches \
 		QUILT_SERIES=series.linux \
 		quilt --quiltrc /dev/null pop -a || test $$? = 2
-	rm -rf linux/.pc
+	cd zfs; \
+    	QUILT_PATCHES=../debian/patches \
+    	QUILT_SERIES=series.zfs \
+    	quilt --quiltrc /dev/null pop -a || test $$? = 2
+	rm -rf linux/.pc zfs/.pc
 
 override_dh_auto_build: .compile_mark .tools_compile_mark .modules_compile_mark
 
@@ -85,7 +93,7 @@ ${KERNEL_SRC}/.config:
 	${MAKE} -C ${KERNEL_SRC} INSTALL_MOD_PATH=${BUILD_DIR}/debian/${PVE_KERNEL_PKG}/ modules_install
 	# install zfs drivers
 	install -d -m 0755 debian/${PVE_KERNEL_PKG}/lib/modules/${KVNAME}/zfs
-	install -m 644 $(addprefix ${MODULES}/,zfs.ko zavl.ko znvpair.ko zunicode.ko zcommon.ko icp.ko zlua.ko spl.ko zzstd.ko) debian/${PVE_KERNEL_PKG}/lib/modules/${KVNAME}/zfs
+	install -m 644 $(addprefix modules/,zfs.ko zavl.ko znvpair.ko zunicode.ko zcommon.ko icp.ko zlua.ko spl.ko zzstd.ko) debian/${PVE_KERNEL_PKG}/lib/modules/${KVNAME}/zfs
 	# remove firmware
 	rm -rf debian/${PVE_KERNEL_PKG}/lib/firmware
 	# strip debug info
@@ -192,16 +200,17 @@ ${KERNEL_SRC}/.config:
 .modules_compile_mark: ${MODULES}/zfs.ko
 	touch $@
 
-${MODULES}/zfs.ko: .compile_mark
+modules/zfs.ko: .compile_mark
-	cd ${MODULES}/${ZFSDIR}; ./autogen.sh
+	dh_autoreconf -D zfs
-	cd ${MODULES}/${ZFSDIR}; ./configure --with-config=kernel --with-linux=${BUILD_DIR}/${KERNEL_SRC} --with-linux-obj=${BUILD_DIR}/${KERNEL_SRC}
+	dh_auto_configure -D zfs -- --with-config=kernel --with-linux=$(realpath linux) --with-linux-obj=$(realpath linux)
-	${MAKE} -C ${MODULES}/${ZFSDIR}
+	dh_auto_build -D zfs
-	cp ${MODULES}/${ZFSDIR}/module/avl/zavl.ko ${MODULES}/
+	mkdir -p modules
-	cp ${MODULES}/${ZFSDIR}/module/nvpair/znvpair.ko ${MODULES}/
+	cp zfs/module/avl/zavl.ko modules/
-	cp ${MODULES}/${ZFSDIR}/module/unicode/zunicode.ko ${MODULES}/
+	cp zfs/module/nvpair/znvpair.ko modules/
-	cp ${MODULES}/${ZFSDIR}/module/zcommon/zcommon.ko ${MODULES}/
+	cp zfs/module/unicode/zunicode.ko modules/
-	cp ${MODULES}/${ZFSDIR}/module/icp/icp.ko ${MODULES}/
+	cp zfs/module/zcommon/zcommon.ko modules/
-	cp ${MODULES}/${ZFSDIR}/module/zfs/zfs.ko ${MODULES}/
+	cp zfs/module/icp/icp.ko modules/
-	cp ${MODULES}/${ZFSDIR}/module/lua/zlua.ko ${MODULES}/
+	cp zfs/module/zfs/zfs.ko modules/
-	cp ${MODULES}/${ZFSDIR}/module/spl/spl.ko ${MODULES}/
+	cp zfs/module/lua/zlua.ko modules/
-	cp ${MODULES}/${ZFSDIR}/module/zstd/zzstd.ko ${MODULES}/
+	cp zfs/module/spl/spl.ko modules/
+	cp zfs/module/zstd/zzstd.ko modules/

zfs

@@ -1 +1 @@
-Subproject commit 363c009381207615ba5880124e195c1263223add
+Subproject commit 6150fbe67f7a9485eaabbca7df9a66852cda6892