Minor documentation, logging, and testing typos

This patch collects some minor inconsistencies and typos in the
documentation, logging and testing infrastructure.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Antonio Russo <antonio.e.russo@gmail.com>
Closes #7608

etc/systemd/system-generators/zfs-mount-generator.in

@@ -29,7 +29,7 @@ FSLIST="@sysconfdir@/zfs/zfs-list.cache"
 [ -d "${FSLIST}" ] || exit 0
 
 do_fail() {
-  printf 'zfs-mount-generator.sh: %s\n' "$*" > /dev/kmsg
+  printf 'zfs-mount-generator: %s\n' "$*" > /dev/kmsg
   exit 1
 }
 
@@ -103,13 +103,13 @@ process_line() {
     elif [ "${p_relatime}" = off ] ; then
       opts="${opts},atime,strictatime"
     else
-      printf 'zfs-mount-generator.sh: (%s) invalid relatime\n' \
+      printf 'zfs-mount-generator: (%s) invalid relatime\n' \
         "${dataset}" >/dev/kmsg
     fi
   elif [ "${p_atime}" = off ] ; then
     opts="${opts},noatime"
   else
-    printf 'zfs-mount-generator.sh: (%s) invalid atime\n' \
+    printf 'zfs-mount-generator: (%s) invalid atime\n' \
       "${dataset}" >/dev/kmsg
   fi
 
@@ -119,7 +119,7 @@ process_line() {
   elif [ "${p_devices}" = off ] ; then
     opts="${opts},nodev"
   else
-    printf 'zfs-mount-generator.sh: (%s) invalid devices\n' \
+    printf 'zfs-mount-generator: (%s) invalid devices\n' \
       "${dataset}" >/dev/kmsg
   fi
 
@@ -129,7 +129,7 @@ process_line() {
   elif [ "${p_exec}" = off ] ; then
     opts="${opts},noexec"
   else
-    printf 'zfs-mount-generator.sh: (%s) invalid exec\n' \
+    printf 'zfs-mount-generator: (%s) invalid exec\n' \
       "${dataset}" >/dev/kmsg
   fi
 
@@ -139,7 +139,7 @@ process_line() {
   elif [ "${p_readonly}" = off ] ; then
     opts="${opts},rw"
   else
-    printf 'zfs-mount-generator.sh: (%s) invalid readonly\n' \
+    printf 'zfs-mount-generator: (%s) invalid readonly\n' \
       "${dataset}" >/dev/kmsg
   fi
 
@@ -149,7 +149,7 @@ process_line() {
   elif [ "${p_setuid}" = off ] ; then
     opts="${opts},nosuid"
   else
-    printf 'zfs-mount-generator.sh: (%s) invalid setuid\n' \
+    printf 'zfs-mount-generator: (%s) invalid setuid\n' \
       "${dataset}" >/dev/kmsg
   fi
 
@@ -159,13 +159,13 @@ process_line() {
   elif [ "${p_nbmand}" = off ] ; then
     opts="${opts},nomand"
   else
-    printf 'zfs-mount-generator.sh: (%s) invalid nbmand\n' \
+    printf 'zfs-mount-generator: (%s) invalid nbmand\n' \
       "${dataset}" >/dev/kmsg
   fi
 
   # If the mountpoint has already been created, give it precedence.
   if [ -e "${dest_norm}/${mountfile}" ] ; then
-    printf 'zfs-mount-generator.sh: %s already exists\n' "${mountfile}" \
+    printf 'zfs-mount-generator: %s already exists\n' "${mountfile}" \
       >/dev/kmsg
     return
   fi

man/man8/zfs.8

@@ -1444,9 +1444,9 @@ Controls where the user's encryption key will be loaded from by default for
 commands such as
 .Nm zfs Cm load-key
 and
-.Nm zfs Cm mount Cm -l . This property is
-only set for encrypted datasets which are encryption roots. If unspecified, the
-default is
+.Nm zfs Cm mount Cm -l .
+This property is only set for encrypted datasets which are encryption roots. If
+unspecified, the default is
 .Sy prompt.
 .Pp
 Even though the encryption suite cannot be changed after dataset creation, the
@@ -2799,9 +2799,8 @@ property is
 .Po the default is
 .Sy off
 .Pc .
-The following fields are displayed,
-.Sy name Ns \&, Ns Sy used Ns \&, Ns Sy available Ns \&, Ns Sy referenced Ns \&, Ns
-.Sy mountpoint .
+The following fields are displayed:
+.Sy name Ns \&, Sy used Ns \&, Sy available Ns \&, Sy referenced Ns \&, Sy mountpoint Ns .
 .Bl -tag -width "-H"
 .It Fl H
 Used for scripting mode.

tests/zfs-tests/tests/perf/regression/random_writes_zil.ksh

@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/bin/ksh
 
 #
 # This file and its contents are supplied under the terms of the