svn commit: r366350 - in head/sys/contrib/openzfs: . .github cmd/zfs config contrib/initramfs/scripts contrib/intel_qat include/os/freebsd/spl/sys include/os/linux/spl/sys include/sys include/sys/l...

Matt Macy mmacy at FreeBSD.org
Thu Oct 1 23:28:26 UTC 2020


Author: mmacy
Date: Thu Oct  1 23:28:21 2020
New Revision: 366350
URL: https://svnweb.freebsd.org/changeset/base/366350

Log:
  OpenZFS: MFV 2.0-rc3-gfc5966
  
  - Annotate FreeBSD sysctls with CTLFLAG_MPSAFE
  - Reduce stack usage of Lua
  - Don't save user FPU context in kernel threads
  - Add support for procfs_list
  - Code cleanup in zio_crypt
  - Add DB_RF_NOPREFETCH to dbuf_read()s in dnode.c
  - Drop references when skipping dmu_send due to EXDEV
  - Eliminate gratuitous bzeroing in dbuf_stats_hash_table_data
  - Fix legacy compat for platform IOCs

Added:
  head/sys/contrib/openzfs/.github/
     - copied from r366349, vendor-sys/openzfs/dist/.github/
  head/sys/contrib/openzfs/contrib/intel_qat/
     - copied from r366349, vendor-sys/openzfs/dist/contrib/intel_qat/
  head/sys/contrib/openzfs/tests/zfs-tests/cmd/badsend/
     - copied from r366349, vendor-sys/openzfs/dist/tests/zfs-tests/cmd/badsend/
  head/sys/contrib/openzfs/tests/zfs-tests/tests/functional/rsend/send_invalid.ksh
     - copied unchanged from r366349, vendor-sys/openzfs/dist/tests/zfs-tests/tests/functional/rsend/send_invalid.ksh
Modified:
  head/sys/contrib/openzfs/cmd/zfs/zfs_main.c
  head/sys/contrib/openzfs/config/kernel-config-defined.m4
  head/sys/contrib/openzfs/config/kernel-objtool.m4
  head/sys/contrib/openzfs/configure.ac
  head/sys/contrib/openzfs/contrib/initramfs/scripts/zfs
  head/sys/contrib/openzfs/include/os/freebsd/spl/sys/kstat.h
  head/sys/contrib/openzfs/include/os/freebsd/spl/sys/procfs_list.h
  head/sys/contrib/openzfs/include/os/freebsd/spl/sys/simd_x86.h
  head/sys/contrib/openzfs/include/os/linux/spl/sys/procfs_list.h
  head/sys/contrib/openzfs/include/sys/frame.h
  head/sys/contrib/openzfs/include/sys/lua/luaconf.h
  head/sys/contrib/openzfs/include/sys/zfs_context.h
  head/sys/contrib/openzfs/include/sys/zstd/zstd.h
  head/sys/contrib/openzfs/lib/libshare/os/freebsd/nfs.c
  head/sys/contrib/openzfs/lib/libshare/os/linux/nfs.c
  head/sys/contrib/openzfs/lib/libzpool/kernel.c
  head/sys/contrib/openzfs/man/man8/zfs-userspace.8
  head/sys/contrib/openzfs/man/man8/zpool-remove.8
  head/sys/contrib/openzfs/module/lua/llimits.h
  head/sys/contrib/openzfs/module/os/freebsd/spl/spl_kstat.c
  head/sys/contrib/openzfs/module/os/freebsd/spl/spl_procfs_list.c
  head/sys/contrib/openzfs/module/os/freebsd/spl/spl_taskq.c
  head/sys/contrib/openzfs/module/os/freebsd/zfs/kmod_core.c
  head/sys/contrib/openzfs/module/os/freebsd/zfs/sysctl_os.c
  head/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ioctl_compat.c
  head/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vfsops.c
  head/sys/contrib/openzfs/module/os/freebsd/zfs/zio_crypt.c
  head/sys/contrib/openzfs/module/os/linux/spl/spl-procfs-list.c
  head/sys/contrib/openzfs/module/os/linux/zfs/vdev_disk.c
  head/sys/contrib/openzfs/module/os/linux/zfs/zfs_debug.c
  head/sys/contrib/openzfs/module/zfs/arc.c
  head/sys/contrib/openzfs/module/zfs/dbuf_stats.c
  head/sys/contrib/openzfs/module/zfs/dmu_send.c
  head/sys/contrib/openzfs/module/zfs/dnode.c
  head/sys/contrib/openzfs/module/zfs/dsl_crypt.c
  head/sys/contrib/openzfs/module/zfs/spa_misc.c
  head/sys/contrib/openzfs/module/zfs/spa_stats.c
  head/sys/contrib/openzfs/module/zfs/zfs_log.c
  head/sys/contrib/openzfs/module/zstd/zfs_zstd.c
  head/sys/contrib/openzfs/tests/runfiles/common.run
  head/sys/contrib/openzfs/tests/zfs-tests/cmd/Makefile.am
  head/sys/contrib/openzfs/tests/zfs-tests/include/commands.cfg
  head/sys/contrib/openzfs/tests/zfs-tests/tests/functional/rsend/Makefile.am
Directory Properties:
  head/sys/contrib/openzfs/   (props changed)

Modified: head/sys/contrib/openzfs/cmd/zfs/zfs_main.c
==============================================================================
--- head/sys/contrib/openzfs/cmd/zfs/zfs_main.c	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/cmd/zfs/zfs_main.c	Thu Oct  1 23:28:21 2020	(r366350)
@@ -363,16 +363,16 @@ get_usage(zfs_help_t idx)
 		return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
 		    "[-s field] ...\n"
 		    "\t    [-S field] ... [-t type[,...]] "
-		    "<filesystem|snapshot>\n"));
+		    "<filesystem|snapshot|path>\n"));
 	case HELP_GROUPSPACE:
 		return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
 		    "[-s field] ...\n"
 		    "\t    [-S field] ... [-t type[,...]] "
-		    "<filesystem|snapshot>\n"));
+		    "<filesystem|snapshot|path>\n"));
 	case HELP_PROJECTSPACE:
 		return (gettext("\tprojectspace [-Hp] [-o field[,...]] "
 		    "[-s field] ... \n"
-		    "\t    [-S field] ... <filesystem|snapshot>\n"));
+		    "\t    [-S field] ... <filesystem|snapshot|path>\n"));
 	case HELP_PROJECT:
 		return (gettext("\tproject [-d|-r] <directory|file ...>\n"
 		    "\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n"
@@ -2481,11 +2481,13 @@ zfs_do_upgrade(int argc, char **argv)
 
 /*
  * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
- *               [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
+ *               [-S field [-S field]...] [-t type[,...]]
+ *               filesystem | snapshot | path
  * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
- *                [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
+ *                [-S field [-S field]...] [-t type[,...]]
+ *                filesystem | snapshot | path
  * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...]
- *                [-S field [-S field]...] filesystem | snapshot
+ *                [-S field [-S field]...] filesystem | snapshot | path
  *
  *	-H      Scripted mode; elide headers and separate columns by tabs.
  *	-i	Translate SID to POSIX ID.
@@ -3191,7 +3193,7 @@ zfs_do_userspace(int argc, char **argv)
 		} while (delim != NULL);
 	}
 
-	if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM |
+	if ((zhp = zfs_path_to_zhandle(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM |
 	    ZFS_TYPE_SNAPSHOT)) == NULL)
 		return (1);
 	if (zhp->zfs_head_type != ZFS_TYPE_FILESYSTEM) {

Modified: head/sys/contrib/openzfs/config/kernel-config-defined.m4
==============================================================================
--- head/sys/contrib/openzfs/config/kernel-config-defined.m4	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/config/kernel-config-defined.m4	Thu Oct  1 23:28:21 2020	(r366350)
@@ -91,7 +91,7 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_CONFIG_DEBUG_LOCK_ALLOC], 
 
 AC_DEFUN([ZFS_AC_KERNEL_CONFIG_DEBUG_LOCK_ALLOC], [
 	AC_MSG_CHECKING([whether mutex_lock() is GPL-only])
-	ZFS_LINUX_TEST_RESULT([config_debug_lock_alloc], [
+	ZFS_LINUX_TEST_RESULT([config_debug_lock_alloc_license], [
 		AC_MSG_RESULT(no)
 	],[
 		AC_MSG_RESULT(yes)

Modified: head/sys/contrib/openzfs/config/kernel-objtool.m4
==============================================================================
--- head/sys/contrib/openzfs/config/kernel-objtool.m4	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/config/kernel-objtool.m4	Thu Oct  1 23:28:21 2020	(r366350)
@@ -6,10 +6,11 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_OBJTOOL], [
 	dnl # 4.6 API for compile-time stack validation
 	ZFS_LINUX_TEST_SRC([objtool], [
 		#undef __ASSEMBLY__
+		#include <asm/ptrace.h>
 		#include <asm/frame.h>
 	],[
 		#if !defined(FRAME_BEGIN)
-		CTASSERT(1);
+		#error "FRAME_BEGIN is not defined"
 		#endif
 	])
 
@@ -18,7 +19,7 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_OBJTOOL], [
 		#include <linux/frame.h>
 	],[
 		#if !defined(STACK_FRAME_NON_STANDARD)
-		CTASSERT(1);
+		#error "STACK_FRAME_NON_STANDARD is not defined."
 		#endif
 	])
 ])

Modified: head/sys/contrib/openzfs/configure.ac
==============================================================================
--- head/sys/contrib/openzfs/configure.ac	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/configure.ac	Thu Oct  1 23:28:21 2020	(r366350)
@@ -204,6 +204,7 @@ AC_CONFIG_FILES([
 	tests/zfs-tests/Makefile
 	tests/zfs-tests/callbacks/Makefile
 	tests/zfs-tests/cmd/Makefile
+	tests/zfs-tests/cmd/badsend/Makefile
 	tests/zfs-tests/cmd/btree_test/Makefile
 	tests/zfs-tests/cmd/chg_usr_exec/Makefile
 	tests/zfs-tests/cmd/devname2devid/Makefile

Modified: head/sys/contrib/openzfs/contrib/initramfs/scripts/zfs
==============================================================================
--- head/sys/contrib/openzfs/contrib/initramfs/scripts/zfs	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/contrib/initramfs/scripts/zfs	Thu Oct  1 23:28:21 2020	(r366350)
@@ -15,8 +15,8 @@
 # See "4.5 Disable root prompt on the initramfs" of Securing Debian Manual:
 # https://www.debian.org/doc/manuals/securing-debian-howto/ch4.en.html
 shell() {
-	if type panic > /dev/null 2>&1; then
-		panic $@
+	if command -v panic > /dev/null 2>&1; then
+		panic
 	else
 		/bin/sh
 	fi
@@ -26,22 +26,23 @@ shell() {
 # pools and mounting any filesystems.
 pre_mountroot()
 {
-	if type run_scripts > /dev/null 2>&1 && \
-	    [ -f "/scripts/local-top" -o -d "/scripts/local-top" ]
+	if command -v run_scripts > /dev/null 2>&1
 	then
-		[ "$quiet" != "y" ] && \
-		    zfs_log_begin_msg "Running /scripts/local-top"
-		run_scripts /scripts/local-top
-		[ "$quiet" != "y" ] && zfs_log_end_msg
-	fi
+		if [ -f "/scripts/local-top" ] || [ -d "/scripts/local-top" ]
+		then
+			[ "$quiet" != "y" ] && \
+			    zfs_log_begin_msg "Running /scripts/local-top"
+			run_scripts /scripts/local-top
+			[ "$quiet" != "y" ] && zfs_log_end_msg
+		fi
 
-	if type run_scripts > /dev/null 2>&1 && \
-	    [ -f "/scripts/local-premount" -o -d "/scripts/local-premount" ]
-	then
-		[ "$quiet" != "y" ] && \
-		    zfs_log_begin_msg "Running /scripts/local-premount"
-		run_scripts /scripts/local-premount
-		[ "$quiet" != "y" ] && zfs_log_end_msg
+	  if [ -f "/scripts/local-premount" ] || [ -d "/scripts/local-premount" ]
+	  then
+			[ "$quiet" != "y" ] && \
+			    zfs_log_begin_msg "Running /scripts/local-premount"
+			run_scripts /scripts/local-premount
+			[ "$quiet" != "y" ] && zfs_log_end_msg
+		fi
 	fi
 }
 
@@ -57,10 +58,10 @@ disable_plymouth()
 # Get a ZFS filesystem property value.
 get_fs_value()
 {
-	local fs="$1"
-	local value=$2
+	fs="$1"
+	value=$2
 
-	"${ZFS}" get -H -ovalue $value "$fs" 2> /dev/null
+	"${ZFS}" get -H -ovalue "$value" "$fs" 2> /dev/null
 }
 
 # Find the 'bootfs' property on pool $1.
@@ -68,7 +69,7 @@ get_fs_value()
 # pool by exporting it again.
 find_rootfs()
 {
-	local pool="$1"
+	pool="$1"
 
 	# If 'POOL_IMPORTED' isn't set, no pool imported and therefore
 	# we won't be able to find a root fs.
@@ -84,7 +85,7 @@ find_rootfs()
 
 	# Make sure it's not '-' and that it starts with /.
 	if [ "${ZFS_BOOTFS}" != "-" ] && \
-		$(get_fs_value "${ZFS_BOOTFS}" mountpoint | grep -q '^/$')
+		get_fs_value "${ZFS_BOOTFS}" mountpoint | grep -q '^/$'
 	then
 		# Keep it mounted
 		POOL_IMPORTED=1
@@ -101,14 +102,13 @@ find_rootfs()
 # Support function to get a list of all pools, separated with ';'
 find_pools()
 {
-	local CMD="$*"
-	local pools pool
+	CMD="$*"
 
 	pools=$($CMD 2> /dev/null | \
 		grep -E "pool:|^[a-zA-Z0-9]" | \
 		sed 's at .*: @@' | \
-		while read pool; do \
-		    echo -n "$pool;"
+		while read -r pool; do \
+		    printf "%s" "$pool;"
 		done)
 
 	echo "${pools%%;}" # Return without the last ';'.
@@ -117,8 +117,6 @@ find_pools()
 # Get a list of all available pools
 get_pools()
 {
-	local available_pools npools
-
 	if [ -n "${ZFS_POOL_IMPORT}" ]; then
 		echo "$ZFS_POOL_IMPORT"
 		return 0
@@ -159,9 +157,8 @@ get_pools()
 	# Filter out any exceptions...
 	if [ -n "$ZFS_POOL_EXCEPTIONS" ]
 	then
-		local found=""
-		local apools=""
-		local pool exception
+		found=""
+		apools=""
 		OLD_IFS="$IFS" ; IFS=";"
 
 		for pool in $available_pools
@@ -194,8 +191,7 @@ get_pools()
 # Import given pool $1
 import_pool()
 {
-	local pool="$1"
-	local dirs dir
+	pool="$1"
 
 	# Verify that the pool isn't already imported
 	# Make as sure as we can to not require '-f' to import.
@@ -205,7 +201,7 @@ import_pool()
 	# to something we can use later with the real import(s). We want to
 	# make sure we find all by* dirs, BUT by-vdev should be first (if it
 	# exists).
-	if [ -n "$USE_DISK_BY_ID" -a -z "$ZPOOL_IMPORT_PATH" ]
+	if [ -n "$USE_DISK_BY_ID" ] && [ -z "$ZPOOL_IMPORT_PATH" ]
 	then
 		dirs="$(for dir in $(echo /dev/disk/by-*)
 		do
@@ -213,7 +209,7 @@ import_pool()
 			echo "$dir" | grep -q /by-vdev && continue
 			[ ! -d "$dir" ] && continue
 
-			echo -n "$dir:"
+			printf "%s" "$dir:"
 		done | sed 's,:$,,g')"
 
 		if [ -d "/dev/disk/by-vdev" ]
@@ -277,7 +273,7 @@ import_pool()
 # with more logging etc.
 load_module_initrd()
 {
-	if [ "$ZFS_INITRD_PRE_MOUNTROOT_SLEEP" > 0 ]
+	if [ "$ZFS_INITRD_PRE_MOUNTROOT_SLEEP" -gt 0 ] 2>/dev/null
 	then
 		if [ "$quiet" != "y" ]; then
 			zfs_log_begin_msg "Sleeping for" \
@@ -288,9 +284,9 @@ load_module_initrd()
 	fi
 
 	# Wait for all of the /dev/{hd,sd}[a-z] device nodes to appear.
-	if type wait_for_udev > /dev/null 2>&1 ; then
+	if command -v wait_for_udev > /dev/null 2>&1 ; then
 		wait_for_udev 10
-	elif type wait_for_dev > /dev/null 2>&1 ; then
+	elif command -v wait_for_dev > /dev/null 2>&1 ; then
 		wait_for_dev
 	fi
 
@@ -300,7 +296,7 @@ load_module_initrd()
 	# Load the module
 	load_module "zfs" || return 1
 
-	if [ "$ZFS_INITRD_POST_MODPROBE_SLEEP" > 0 ]
+	if [ "$ZFS_INITRD_POST_MODPROBE_SLEEP" -gt 0 ] 2>/dev/null
 	then
 		if [ "$quiet" != "y" ]; then
 			zfs_log_begin_msg "Sleeping for" \
@@ -316,12 +312,10 @@ load_module_initrd()
 # Mount a given filesystem
 mount_fs()
 {
-	local fs="$1"
-	local mountpoint
+	fs="$1"
 
 	# Check that the filesystem exists
-	"${ZFS}" list -oname -tfilesystem -H "${fs}" > /dev/null 2>&1
-	[ "$?" -ne 0 ] && return 1
+	"${ZFS}" list -oname -tfilesystem -H "${fs}" > /dev/null 2>&1 ||  return 1
 
 	# Skip filesystems with canmount=off.  The root fs should not have
 	# canmount=off, but ignore it for backwards compatibility just in case.
@@ -333,14 +327,14 @@ mount_fs()
 
 	# Need the _original_ datasets mountpoint!
 	mountpoint=$(get_fs_value "$fs" mountpoint)
-	if [ "$mountpoint" = "legacy" -o "$mountpoint" = "none" ]; then
+	if [ "$mountpoint" = "legacy" ] || [ "$mountpoint" = "none" ]; then
 		# Can't use the mountpoint property. Might be one of our
 		# clones. Check the 'org.zol:mountpoint' property set in
 		# clone_snap() if that's usable.
 		mountpoint=$(get_fs_value "$fs" org.zol:mountpoint)
-		if [ "$mountpoint" = "legacy" -o \
-		    "$mountpoint" = "none" -o \
-		    "$mountpoint" = "-" ]
+		if [ "$mountpoint" = "legacy" ] ||
+		   [ "$mountpoint" = "none" ] ||
+		   [ "$mountpoint" = "-" ]
 		then
 			if [ "$fs" != "${ZFS_BOOTFS}" ]; then
 				# We don't have a proper mountpoint and this
@@ -396,10 +390,10 @@ mount_fs()
 # Unlock a ZFS native encrypted filesystem.
 decrypt_fs()
 {
-	local fs="$1"
-	
+	fs="$1"
+
 	# If pool encryption is active and the zfs command understands '-o encryption'
-	if [ "$(zpool list -H -o feature at encryption $(echo "${fs}" | awk -F\/ '{print $1}'))" = 'active' ]; then
+	if [ "$(zpool list -H -o feature at encryption "$(echo "${fs}" | awk -F/ '{print $1}')")" = 'active' ]; then
 
 		# Determine dataset that holds key for root dataset
 		ENCRYPTIONROOT="$(get_fs_value "${fs}" encryptionroot)"
@@ -427,7 +421,7 @@ decrypt_fs()
 					TRY_COUNT=$((TRY_COUNT - 1))
 				done
 
-			# Prompt with systemd, if active 
+			# Prompt with systemd, if active
 			elif [ -e /run/systemd/system ]; then
 				echo "systemd-ask-password" > /run/zfs_console_askpwd_cmd
 				while [ $TRY_COUNT -gt 0 ]; do
@@ -454,7 +448,7 @@ decrypt_fs()
 # Destroy a given filesystem.
 destroy_fs()
 {
-	local fs="$1"
+	fs="$1"
 
 	[ "$quiet" != "y" ] && \
 	    zfs_log_begin_msg "Destroying '$fs'"
@@ -489,9 +483,9 @@ destroy_fs()
 # mounted with a 'zfs mount -a' in the init/systemd scripts).
 clone_snap()
 {
-	local snap="$1"
-	local destfs="$2"
-	local mountpoint="$3"
+	snap="$1"
+	destfs="$2"
+	mountpoint="$3"
 
 	[ "$quiet" != "y" ] && zfs_log_begin_msg "Cloning '$snap' to '$destfs'"
 
@@ -529,7 +523,7 @@ clone_snap()
 # Rollback a given snapshot.
 rollback_snap()
 {
-	local snap="$1"
+	snap="$1"
 
 	[ "$quiet" != "y" ] && zfs_log_begin_msg "Rollback $snap"
 
@@ -559,9 +553,8 @@ rollback_snap()
 # to the user to choose from.
 ask_user_snap()
 {
-	local fs="$1"
-	local i=1
-	local SNAP snapnr snap debug
+	fs="$1"
+	i=1
 
 	# We need to temporarily disable debugging. Set 'debug' so we
 	# remember to enabled it again.
@@ -574,16 +567,16 @@ ask_user_snap()
 	# Because we need the resulting snapshot, which is sent on
 	# stdout to the caller, we use stderr for our questions.
 	echo "What snapshot do you want to boot from?" > /dev/stderr
-	while read snap; do
+	while read -r snap; do
 	    echo "  $i: ${snap}" > /dev/stderr
-	    eval `echo SNAP_$i=$snap`
+	    eval "$(echo SNAP_$i=$snap)"
 	    i=$((i + 1))
 	done <<EOT
 $("${ZFS}" list -H -oname -tsnapshot -r "${fs}")
 EOT
 
-	echo -n "  Snap nr [1-$((i-1))]? " > /dev/stderr
-	read snapnr
+	echo "%s" "  Snap nr [1-$((i-1))]? " > /dev/stderr
+	read -r snapnr
 
 	# Re-enable debugging.
 	if [ -n "${debug}" ]; then
@@ -591,16 +584,16 @@ EOT
 		set -x
 	fi
 
-	echo "$(eval echo "$"SNAP_$snapnr)"
+	echo "$(eval echo '$SNAP_'$snapnr)"
 }
 
 setup_snapshot_booting()
 {
-	local snap="$1"
-	local s destfs subfs mountpoint retval=0 filesystems fs
+	snap="$1"
+	retval=0
 
-	# Make sure that the snapshot specified actually exist.
-	if [ ! $(get_fs_value "${snap}" type) ]
+	# Make sure that the snapshot specified actually exists.
+	if [ ! "$(get_fs_value "${snap}" type)" ]
 	then
 		# Snapshot does not exist (...@<null> ?)
 		# ask the user for a snapshot to use.
@@ -617,7 +610,7 @@ setup_snapshot_booting()
 	then
 		# If the destination dataset for the clone
 		# already exists, destroy it. Recursively
-		if [ $(get_fs_value "${rootfs}_${snapname}" type) ]; then
+		if [ "$(get_fs_value "${rootfs}_${snapname}" type)" ]; then
 			filesystems=$("${ZFS}" list -oname -tfilesystem -H \
 			    -r -Sname "${ZFS_BOOTFS}")
 			for fs in $filesystems; do
@@ -652,8 +645,8 @@ setup_snapshot_booting()
 			# with clone_snap(). If legacy or none, then use
 			# the sub fs value.
 			mountpoint=$(get_fs_value "${s%%@*}" mountpoint)
-			if [ "$mountpoint" = "legacy" -o \
-			    "$mountpoint" = "none" ]
+			if [ "$mountpoint" = "legacy" ] || \
+			   [ "$mountpoint" = "none" ]
 			then
 				if [ -n "${subfs}" ]; then
 					mountpoint="${subfs}"
@@ -678,8 +671,6 @@ setup_snapshot_booting()
 # This is the main function.
 mountroot()
 {
-	local snaporig snapsub destfs pool POOLS
-
 	# ----------------------------------------------------------------
 	# I N I T I A L   S E T U P
 
@@ -742,7 +733,7 @@ mountroot()
 	# No longer set in the defaults file, but it could have been set in
 	# get_pools() in some circumstances. If it's something, but not 'yes',
 	# it's no good to us.
-	[ -n "$USE_DISK_BY_ID" -a "$USE_DISK_BY_ID" != 'yes' ] && \
+	[ -n "$USE_DISK_BY_ID" ] && [ "$USE_DISK_BY_ID" != 'yes' ] && \
 	    unset USE_DISK_BY_ID
 
 	# ----------------------------------------------------------------
@@ -788,12 +779,12 @@ mountroot()
 	# ------------
 	# If we have 'ROOT' (see above), but not 'ZFS_BOOTFS', then use
 	# 'ROOT'
-	[ -n "$ROOT" -a -z "${ZFS_BOOTFS}" ] && ZFS_BOOTFS="$ROOT"
+	[ -n "$ROOT" ] && [ -z "${ZFS_BOOTFS}" ] && ZFS_BOOTFS="$ROOT"
 
 	# ------------
 	# Check for the `-B zfs-bootfs=%s/%u,...` kind of parameter.
 	# NOTE: Only use the pool name and dataset. The rest is not
-	#       supported by ZoL (whatever it's for).
+	#       supported by OpenZFS (whatever it's for).
 	if [ -z "$ZFS_RPOOL" ]
 	then
 		# The ${zfs-bootfs} variable is set at the kernel command
@@ -809,11 +800,11 @@ mountroot()
 
 	# ------------
 	# No root fs or pool specified - do auto detect.
-	if [ -z "$ZFS_RPOOL" -a -z "${ZFS_BOOTFS}" ]
+	if [ -z "$ZFS_RPOOL" ] && [ -z "${ZFS_BOOTFS}" ]
 	then
 		# Do auto detect. Do this by 'cheating' - set 'root=zfs:AUTO'
 		# which will be caught later
-		ROOT=zfs:AUTO
+		ROOT='zfs:AUTO'
 	fi
 
 	# ----------------------------------------------------------------
@@ -858,7 +849,7 @@ mountroot()
 	fi
 
 	# Import the pool (if not already done so in the AUTO check above).
-	if [ -n "$ZFS_RPOOL" -a -z "${POOL_IMPORTED}" ]
+	if [ -n "$ZFS_RPOOL" ] && [ -z "${POOL_IMPORTED}" ]
 	then
 		[ "$quiet" != "y" ] && \
 		    zfs_log_begin_msg "Importing ZFS root pool '$ZFS_RPOOL'"
@@ -971,7 +962,7 @@ mountroot()
 
 	touch /run/zfs_unlock_complete
 	if [ -e /run/zfs_unlock_complete_notify ]; then
-		read zfs_unlock_complete_notify < /run/zfs_unlock_complete_notify
+		read -r zfs_unlock_complete_notify < /run/zfs_unlock_complete_notify
 	fi
 
 	# ------------
@@ -989,8 +980,8 @@ mountroot()
 		echo
 
 		echo "=> waiting for ENTER before continuing because of 'zfsdebug=1'. "
-		echo -n "   'c' for shell, 'r' for reboot, 'ENTER' to continue. "
-		read b
+		printf "%s" "   'c' for shell, 'r' for reboot, 'ENTER' to continue. "
+		read -r b
 
 		[ "$b" = "c" ] && /bin/sh
 		[ "$b" = "r" ] && reboot -f
@@ -1000,12 +991,14 @@ mountroot()
 
 	# ------------
 	# Run local bottom script
-	if type run_scripts > /dev/null 2>&1 && \
-	    [ -f "/scripts/local-bottom" -o -d "/scripts/local-bottom" ]
+	if command -v run_scripts > /dev/null 2>&1
 	then
-		[ "$quiet" != "y" ] && \
-		    zfs_log_begin_msg "Running /scripts/local-bottom"
-		run_scripts /scripts/local-bottom
-		[ "$quiet" != "y" ] && zfs_log_end_msg
+		if [ -f "/scripts/local-bottom" ] || [ -d "/scripts/local-bottom" ]
+		then
+			[ "$quiet" != "y" ] && \
+			    zfs_log_begin_msg "Running /scripts/local-bottom"
+			run_scripts /scripts/local-bottom
+			[ "$quiet" != "y" ] && zfs_log_end_msg
+		fi
 	fi
 }

Modified: head/sys/contrib/openzfs/include/os/freebsd/spl/sys/kstat.h
==============================================================================
--- head/sys/contrib/openzfs/include/os/freebsd/spl/sys/kstat.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/include/os/freebsd/spl/sys/kstat.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -83,6 +83,14 @@ typedef struct kstat_s kstat_t;
 typedef int kid_t;				/* unique kstat id */
 typedef int kstat_update_t(struct kstat_s *, int); /* dynamic update cb */
 
+struct seq_file {
+	char *sf_buf;
+	size_t sf_size;
+};
+
+void seq_printf(struct seq_file *m, const char *fmt, ...);
+
+
 typedef struct kstat_module {
 	char ksm_name[KSTAT_STRLEN+1];		/* module name */
 	struct list_head ksm_module_list;	/* module linkage */
@@ -92,6 +100,7 @@ typedef struct kstat_module {
 
 typedef struct kstat_raw_ops {
 	int (*headers)(char *buf, size_t size);
+	int (*seq_headers)(struct seq_file *);
 	int (*data)(char *buf, size_t size, void *data);
 	void *(*addr)(kstat_t *ksp, loff_t index);
 } kstat_raw_ops_t;
@@ -112,6 +121,7 @@ struct kstat_s {
 	size_t		ks_data_size;		/* size of kstat data section */
 	kstat_update_t	*ks_update;		/* dynamic updates */
 	void		*ks_private;		/* private data */
+	void		*ks_private1;		/* private data */
 	kmutex_t	ks_private_lock;	/* kstat private data lock */
 	kmutex_t	*ks_lock;		/* kstat data lock */
 	struct list_head ks_list;		/* kstat linkage */
@@ -185,6 +195,12 @@ extern void __kstat_set_raw_ops(kstat_t *ksp,
     int (*data)(char *buf, size_t size, void *data),
     void* (*addr)(kstat_t *ksp, loff_t index));
 
+extern void __kstat_set_seq_raw_ops(kstat_t *ksp,
+    int (*headers)(struct seq_file *),
+    int (*data)(char *buf, size_t size, void *data),
+    void* (*addr)(kstat_t *ksp, loff_t index));
+
+
 extern kstat_t *__kstat_create(const char *ks_module, int ks_instance,
     const char *ks_name, const char *ks_class, uchar_t ks_type,
     uint_t ks_ndata, uchar_t ks_flags);
@@ -196,6 +212,8 @@ extern void kstat_waitq_exit(kstat_io_t *);
 extern void kstat_runq_enter(kstat_io_t *);
 extern void kstat_runq_exit(kstat_io_t *);
 
+#define	kstat_set_seq_raw_ops(k, h, d, a) \
+    __kstat_set_seq_raw_ops(k, h, d, a)
 #define	kstat_set_raw_ops(k, h, d, a) \
     __kstat_set_raw_ops(k, h, d, a)
 #define	kstat_create(m, i, n, c, t, s, f) \

Modified: head/sys/contrib/openzfs/include/os/freebsd/spl/sys/procfs_list.h
==============================================================================
--- head/sys/contrib/openzfs/include/os/freebsd/spl/sys/procfs_list.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/include/os/freebsd/spl/sys/procfs_list.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -33,16 +33,18 @@
  * procfs list manipulation
  */
 
-struct seq_file { };
-void seq_printf(struct seq_file *m, const char *fmt, ...);
-
-typedef struct procfs_list {
+typedef struct procfs_list procfs_list_t;
+struct procfs_list {
 	void		*pl_private;
+	void		*pl_next_data;
 	kmutex_t	pl_lock;
 	list_t		pl_list;
 	uint64_t	pl_next_id;
+	int		(*pl_show)(struct seq_file *f, void *p);
+	int		(*pl_show_header)(struct seq_file *f);
+	int		(*pl_clear)(procfs_list_t *procfs_list);
 	size_t		pl_node_offset;
-} procfs_list_t;
+};
 
 typedef struct procfs_list_node {
 	list_node_t	pln_link;
@@ -50,6 +52,7 @@ typedef struct procfs_list_node {
 } procfs_list_node_t;
 
 void procfs_list_install(const char *module,
+    const char *submodule,
     const char *name,
     mode_t mode,
     procfs_list_t *procfs_list,

Modified: head/sys/contrib/openzfs/include/os/freebsd/spl/sys/simd_x86.h
==============================================================================
--- head/sys/contrib/openzfs/include/os/freebsd/spl/sys/simd_x86.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/include/os/freebsd/spl/sys/simd_x86.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -29,6 +29,7 @@
 #include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/systm.h>
+#include <sys/proc.h>
 #ifdef __i386__
 #include <x86/fpu.h>
 #else
@@ -42,16 +43,15 @@
 #define	kfpu_allowed()		1
 #define	kfpu_initialize(tsk)	do {} while (0)
 
-#define	kfpu_begin() {							\
-	critical_enter();					\
-	fpu_kern_enter(curthread, NULL, FPU_KERN_NOCTX); \
+#define	kfpu_begin() {					\
+	if (__predict_false(!is_fpu_kern_thread(0)))		\
+		fpu_kern_enter(curthread, NULL, FPU_KERN_NOCTX);\
 }
 
-#define	kfpu_end()						\
-	{						 \
-		fpu_kern_leave(curthread, NULL); \
-		critical_exit();			     \
-	}
+#define	kfpu_end()	{			\
+	if (__predict_false(curpcb->pcb_flags & PCB_FPUNOSAVE))	\
+		fpu_kern_leave(curthread, NULL);	\
+}
 
 /*
  * Check if OS supports AVX and AVX2 by checking XCR0

Modified: head/sys/contrib/openzfs/include/os/linux/spl/sys/procfs_list.h
==============================================================================
--- head/sys/contrib/openzfs/include/os/linux/spl/sys/procfs_list.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/include/os/linux/spl/sys/procfs_list.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -57,6 +57,7 @@ typedef struct procfs_list_node {
 } procfs_list_node_t;
 
 void procfs_list_install(const char *module,
+    const char *submodule,
     const char *name,
     mode_t mode,
     procfs_list_t *procfs_list,

Modified: head/sys/contrib/openzfs/include/sys/frame.h
==============================================================================
--- head/sys/contrib/openzfs/include/sys/frame.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/include/sys/frame.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -23,7 +23,8 @@
 extern "C" {
 #endif
 
-#if defined(__KERNEL__) && defined(HAVE_STACK_FRAME_NON_STANDARD)
+#if defined(__KERNEL__) && defined(HAVE_KERNEL_OBJTOOL) && \
+    defined(HAVE_STACK_FRAME_NON_STANDARD)
 #include <linux/frame.h>
 #else
 #define	STACK_FRAME_NON_STANDARD(func)

Modified: head/sys/contrib/openzfs/include/sys/lua/luaconf.h
==============================================================================
--- head/sys/contrib/openzfs/include/sys/lua/luaconf.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/include/sys/lua/luaconf.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -368,11 +368,7 @@ extern int lcompat_hashnum(int64_t);
 @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
 ** CHANGE it if it uses too much C-stack space.
 */
-#ifdef __linux__
 #define LUAL_BUFFERSIZE		512
-#else
-#define LUAL_BUFFERSIZE		1024
-#endif
 
 
 /*

Modified: head/sys/contrib/openzfs/include/sys/zfs_context.h
==============================================================================
--- head/sys/contrib/openzfs/include/sys/zfs_context.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/include/sys/zfs_context.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -386,6 +386,7 @@ typedef struct procfs_list_node {
 } procfs_list_node_t;
 
 void procfs_list_install(const char *module,
+    const char *submodule,
     const char *name,
     mode_t mode,
     procfs_list_t *procfs_list,

Modified: head/sys/contrib/openzfs/include/sys/zstd/zstd.h
==============================================================================
--- head/sys/contrib/openzfs/include/sys/zstd/zstd.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/include/sys/zstd/zstd.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -90,6 +90,7 @@ int zfs_zstd_decompress_level(void *s_start, void *d_s
     size_t d_len, uint8_t *level);
 int zfs_zstd_decompress(void *s_start, void *d_start, size_t s_len,
     size_t d_len, int n);
+void zfs_zstd_cache_reap_now(void);
 
 #ifdef	__cplusplus
 }

Modified: head/sys/contrib/openzfs/lib/libshare/os/freebsd/nfs.c
==============================================================================
--- head/sys/contrib/openzfs/lib/libshare/os/freebsd/nfs.c	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/lib/libshare/os/freebsd/nfs.c	Thu Oct  1 23:28:21 2020	(r366350)
@@ -228,21 +228,33 @@ nfs_copy_entries(char *filename, const char *mountpoin
 	int error = SA_OK;
 	char *line;
 
-	/*
-	 * If the file doesn't exist then there is nothing more
-	 * we need to do.
-	 */
 	FILE *oldfp = fopen(ZFS_EXPORTS_FILE, "r");
-	if (oldfp == NULL)
-		return (SA_OK);
-
 	FILE *newfp = fopen(filename, "w+");
+	if (newfp == NULL) {
+		fprintf(stderr, "failed to open %s file: %s", filename,
+		    strerror(errno));
+		fclose(oldfp);
+		return (SA_SYSTEM_ERR);
+	}
 	fputs(FILE_HEADER, newfp);
-	while ((line = zgetline(oldfp, mountpoint)) != NULL)
-		fprintf(newfp, "%s\n", line);
-	if (ferror(oldfp) != 0) {
-		error = ferror(oldfp);
+
+	/*
+	 * The ZFS_EXPORTS_FILE may not exist yet. If that's the
+	 * case then just write out the new file.
+	 */
+	if (oldfp != NULL) {
+		while ((line = zgetline(oldfp, mountpoint)) != NULL)
+			fprintf(newfp, "%s\n", line);
+		if (ferror(oldfp) != 0) {
+			error = ferror(oldfp);
+		}
+		if (fclose(oldfp) != 0) {
+			fprintf(stderr, "Unable to close file %s: %s\n",
+			    filename, strerror(errno));
+			error = error != 0 ? error : SA_SYSTEM_ERR;
+		}
 	}
+
 	if (error == 0 && ferror(newfp) != 0) {
 		error = ferror(newfp);
 	}
@@ -252,8 +264,6 @@ nfs_copy_entries(char *filename, const char *mountpoin
 		    filename, strerror(errno));
 		error = error != 0 ? error : SA_SYSTEM_ERR;
 	}
-	fclose(oldfp);
-
 	return (error);
 }
 

Modified: head/sys/contrib/openzfs/lib/libshare/os/linux/nfs.c
==============================================================================
--- head/sys/contrib/openzfs/lib/libshare/os/linux/nfs.c	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/lib/libshare/os/linux/nfs.c	Thu Oct  1 23:28:21 2020	(r366350)
@@ -393,7 +393,15 @@ static char *
 nfs_init_tmpfile(void)
 {
 	char *tmpfile = NULL;
+	struct stat sb;
 
+	if (stat(ZFS_EXPORTS_DIR, &sb) < 0 &&
+	    mkdir(ZFS_EXPORTS_DIR, 0755) < 0) {
+		fprintf(stderr, "failed to create %s: %s\n",
+		    ZFS_EXPORTS_DIR, strerror(errno));
+		return (NULL);
+	}
+
 	if (asprintf(&tmpfile, "%s%s", ZFS_EXPORTS_FILE, ".XXXXXXXX") == -1) {
 		fprintf(stderr, "Unable to allocate temporary file\n");
 		return (NULL);
@@ -481,36 +489,49 @@ nfs_copy_entries(char *filename, const char *mountpoin
 	size_t buflen = 0;
 	int error = SA_OK;
 
-	/*
-	 * If the file doesn't exist then there is nothing more
-	 * we need to do.
-	 */
 	FILE *oldfp = fopen(ZFS_EXPORTS_FILE, "r");
-	if (oldfp == NULL)
-		return (SA_OK);
-
 	FILE *newfp = fopen(filename, "w+");
+	if (newfp == NULL) {
+		fprintf(stderr, "failed to open %s file: %s", filename,
+		    strerror(errno));
+		fclose(oldfp);
+		return (SA_SYSTEM_ERR);
+	}
 	fputs(FILE_HEADER, newfp);
-	while ((getline(&buf, &buflen, oldfp)) != -1) {
-		char *space = NULL;
 
-		if (buf[0] == '\n' || buf[0] == '#')
-			continue;
+	/*
+	 * The ZFS_EXPORTS_FILE may not exist yet. If that's the
+	 * case then just write out the new file.
+	 */
+	if (oldfp != NULL) {
+		while (getline(&buf, &buflen, oldfp) != -1) {
+			char *space = NULL;
 
-		if ((space = strchr(buf, ' ')) != NULL) {
-			int mountpoint_len = strlen(mountpoint);
-
-			if (space - buf == mountpoint_len &&
-			    strncmp(mountpoint, buf, mountpoint_len) == 0) {
+			if (buf[0] == '\n' || buf[0] == '#')
 				continue;
+
+			if ((space = strchr(buf, ' ')) != NULL) {
+				int mountpoint_len = strlen(mountpoint);
+
+				if (space - buf == mountpoint_len &&
+				    strncmp(mountpoint, buf,
+				    mountpoint_len) == 0) {
+					continue;
+				}
 			}
+			fputs(buf, newfp);
 		}
-		fputs(buf, newfp);
-	}
 
-	if (oldfp != NULL && ferror(oldfp) != 0) {
-		error = ferror(oldfp);
+		if (ferror(oldfp) != 0) {
+			error = ferror(oldfp);
+		}
+		if (fclose(oldfp) != 0) {
+			fprintf(stderr, "Unable to close file %s: %s\n",
+			    filename, strerror(errno));
+			error = error != 0 ? error : SA_SYSTEM_ERR;
+		}
 	}
+
 	if (error == 0 && ferror(newfp) != 0) {
 		error = ferror(newfp);
 	}
@@ -521,8 +542,6 @@ nfs_copy_entries(char *filename, const char *mountpoin
 		    filename, strerror(errno));
 		error = error != 0 ? error : SA_SYSTEM_ERR;
 	}
-	fclose(oldfp);
-
 	return (error);
 }
 
@@ -701,13 +720,5 @@ static const sa_share_ops_t nfs_shareops = {
 void
 libshare_nfs_init(void)
 {
-	struct stat sb;
-
 	nfs_fstype = register_fstype("nfs", &nfs_shareops);
-
-	if (stat(ZFS_EXPORTS_DIR, &sb) < 0 &&
-	    mkdir(ZFS_EXPORTS_DIR, 0755) < 0) {
-		fprintf(stderr, "failed to create %s: %s\n",
-		    ZFS_EXPORTS_DIR, strerror(errno));
-	}
 }

Modified: head/sys/contrib/openzfs/lib/libzpool/kernel.c
==============================================================================
--- head/sys/contrib/openzfs/lib/libzpool/kernel.c	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/lib/libzpool/kernel.c	Thu Oct  1 23:28:21 2020	(r366350)
@@ -444,6 +444,7 @@ seq_printf(struct seq_file *m, const char *fmt, ...)
 
 void
 procfs_list_install(const char *module,
+    const char *submodule,
     const char *name,
     mode_t mode,
     procfs_list_t *procfs_list,

Modified: head/sys/contrib/openzfs/man/man8/zfs-userspace.8
==============================================================================
--- head/sys/contrib/openzfs/man/man8/zfs-userspace.8	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/man/man8/zfs-userspace.8	Thu Oct  1 23:28:21 2020	(r366350)
@@ -44,7 +44,7 @@
 .Oo Fl s Ar field Oc Ns ...
 .Oo Fl S Ar field Oc Ns ...
 .Oo Fl t Ar type Ns Oo , Ns Ar type Oc Ns ... Oc
-.Ar filesystem Ns | Ns Ar snapshot
+.Ar filesystem Ns | Ns Ar snapshot Ns | Ns Ar path
 .Nm
 .Cm groupspace
 .Op Fl Hinp
@@ -52,14 +52,14 @@
 .Oo Fl s Ar field Oc Ns ...
 .Oo Fl S Ar field Oc Ns ...
 .Oo Fl t Ar type Ns Oo , Ns Ar type Oc Ns ... Oc
-.Ar filesystem Ns | Ns Ar snapshot
+.Ar filesystem Ns | Ns Ar snapshot Ns | Ns Ar path
 .Nm
 .Cm projectspace
 .Op Fl Hp
 .Oo Fl o Ar field Ns Oo , Ns Ar field Oc Ns ... Oc
 .Oo Fl s Ar field Oc Ns ...
 .Oo Fl S Ar field Oc Ns ...
-.Ar filesystem Ns | Ns Ar snapshot
+.Ar filesystem Ns | Ns Ar snapshot Ns | Ns Ar path
 .Sh DESCRIPTION
 .Bl -tag -width ""
 .It Xo
@@ -70,10 +70,11 @@
 .Oo Fl s Ar field Oc Ns ...
 .Oo Fl S Ar field Oc Ns ...
 .Oo Fl t Ar type Ns Oo , Ns Ar type Oc Ns ... Oc
-.Ar filesystem Ns | Ns Ar snapshot
+.Ar filesystem Ns | Ns Ar snapshot Ns | Ns Ar path
 .Xc
-Displays space consumed by, and quotas on, each user in the specified filesystem
-or snapshot.
+Displays space consumed by, and quotas on, each user in the specified filesystem,
+snapshot, or path.
+If a path is given, the filesystem that contains that path will be used.
 This corresponds to the
 .Sy userused@ Ns Em user ,
 .Sy userobjused@ Ns Em user ,
@@ -167,7 +168,7 @@ except that the default types to display are
 .Oo Fl o Ar field Ns Oo , Ns Ar field Oc Ns ... Oc
 .Oo Fl s Ar field Oc Ns ...
 .Oo Fl S Ar field Oc Ns ...
-.Ar filesystem Ns | Ns Ar snapshot
+.Ar filesystem Ns | Ns Ar snapshot Ns | Ns Ar path
 .Xc
 Displays space consumed by, and quotas on, each project in the specified
 filesystem or snapshot. This subcommand is identical to

Modified: head/sys/contrib/openzfs/man/man8/zpool-remove.8
==============================================================================
--- head/sys/contrib/openzfs/man/man8/zpool-remove.8	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/man/man8/zpool-remove.8	Thu Oct  1 23:28:21 2020	(r366350)
@@ -55,6 +55,8 @@ This command supports removing hot spare, cache, log, 
 non-redundant primary top-level vdevs, including dedup and special vdevs.
 When the primary pool storage includes a top-level raidz vdev only hot spare,
 cache, and log devices can be removed.
+Note that keys for all encrypted datasets must be loaded for top-level vdevs
+to be removed.
 .sp
 Removing a top-level vdev reduces the total amount of space in the storage pool.
 The specified device will be evacuated by copying all allocated space from it to

Modified: head/sys/contrib/openzfs/module/lua/llimits.h
==============================================================================
--- head/sys/contrib/openzfs/module/lua/llimits.h	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/module/lua/llimits.h	Thu Oct  1 23:28:21 2020	(r366350)
@@ -126,16 +126,7 @@ typedef LUAI_UACNUMBER l_uacNumber;
  * Minimum amount of available stack space (in bytes) to make a C call.  With
  * gsub() recursion, the stack space between each luaD_call() is 1256 bytes.
  */
-#if defined(__FreeBSD__)
-/*
- * FreeBSD needs a few extra bytes in unoptimized debug builds to avoid a
- * double-fault handling the error when the max call depth is exceeded just
- * before the C stack runs out.  64 bytes seems to do the trick.
- */
-#define LUAI_MINCSTACK		4160
-#else
 #define LUAI_MINCSTACK		4096
-#endif
 
 /*
 ** maximum number of upvalues in a closure (both C and Lua). (Value

Modified: head/sys/contrib/openzfs/module/os/freebsd/spl/spl_kstat.c
==============================================================================
--- head/sys/contrib/openzfs/module/os/freebsd/spl/spl_kstat.c	Thu Oct  1 23:11:58 2020	(r366349)
+++ head/sys/contrib/openzfs/module/os/freebsd/spl/spl_kstat.c	Thu Oct  1 23:28:21 2020	(r366350)
@@ -55,6 +55,17 @@ __kstat_set_raw_ops(kstat_t *ksp,
 	ksp->ks_raw_ops.addr    = addr;
 }
 
+void
+__kstat_set_seq_raw_ops(kstat_t *ksp,
+    int (*headers)(struct seq_file *f),
+    int (*data)(char *buf, size_t size, void *data),
+    void *(*addr)(kstat_t *ksp, loff_t index))
+{
+	ksp->ks_raw_ops.seq_headers = headers;
+	ksp->ks_raw_ops.data    = data;
+	ksp->ks_raw_ops.addr    = addr;
+}
+
 static int
 kstat_default_update(kstat_t *ksp, int rw)
 {
@@ -160,7 +171,7 @@ kstat_sysctl_raw(SYSCTL_HANDLER_ARGS)
 	void *data;
 	kstat_t *ksp = arg1;
 	void *(*addr_op)(kstat_t *ksp, loff_t index);
-	int n, rc = 0;
+	int n, has_header, rc = 0;
 
 	sb = sbuf_new_auto();
 	if (sb == NULL)

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***


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