Remove hostid handling

According to

acf0ade362
https://github.com/zfsonlinux/zfs/issues/2794

the hostid handling is not needed anymore. If /etc/hostid does not
exist, then spl treats it as 0 and continues operation.

Closes #60
Closes #31

build.sh

@@ -181,7 +181,6 @@ generate_package_files() {
     debug "spl_workdir: ${spl_workdir}"
     debug "spl_src_target: ${spl_src_target}"
     debug "spl_src_hash: ${spl_src_hash}"
-    debug "spl_hostid_hash: ${spl_hostid_hash}"
     debug "zfs_bash_completion_hash: ${zfs_bash_completion_hash}"
     debug "zfs_initcpio_install_hash: ${zfs_initcpio_install_hash}"
     debug "zfs_initcpio_hook_hash: ${zfs_initcpio_hook_hash}"
@@ -195,8 +194,6 @@ generate_package_files() {
     # Finally, generate the update packages ...
     msg2 "Creating spl-utils PKGBUILD"
     run_cmd_no_output "source ${script_dir}/src/spl-utils/PKGBUILD.sh"
-    msg2 "Copying spl-utils.hostid"
-    run_cmd_no_output "cp ${script_dir}/src/spl-utils/spl-utils.hostid ${spl_utils_pkgbuild_path}/spl-utils.hostid"
 
     msg2 "Creating spl PKGBUILD"
     run_cmd_no_output "source ${script_dir}/src/spl/PKGBUILD.sh"

conf.sh

@@ -4,7 +4,6 @@ zol_version="0.6.5.7"
 # The ZOL source hashes are from zfsonlinux.org
 zfs_src_hash="4a9e271bb9a6af8d564e4d5800e4fff36224f1697b923a7253659bdda80dc590"
 spl_src_hash="dc8690e407183eeb7a6af0e7692d6e0a1cd323d51dd1aa492522c421b1924ea0"
-spl_hostid_hash="ad95131bc0b799c0b1af477fb14fcf26a6a9f76079e48bf090acb7e8367bfd0e"
 zfs_bash_completion_hash="b60214f70ffffb62ffe489cbfabd2e069d14ed2a391fac0e36f914238394b540"
 zfs_initcpio_install_hash="8190b69853d9670c6aaf1d14c674598a14c58f8ec359e249a1c3010c0b39d074"
 zfs_initcpio_hook_hash="67a96169d36853d8f18ee5a2443ecfcd2461a20f9109f4b281bee3945d83518a"

src/spl-utils/PKGBUILD.sh

@@ -8,10 +8,8 @@ pkgrel=${spl_pkgrel}
 pkgdesc="Solaris Porting Layer kernel module support files."
 arch=("x86_64")
 url="http://zfsonlinux.org/"
-source=("${spl_src_target}"
-        "spl-utils.hostid")
-sha256sums=("${spl_src_hash}"
-            "${spl_hostid_hash}")
+source=("${spl_src_target}")
+sha256sums=("${spl_src_hash}")
 groups=("${archzfs_package_group}")
 license=("GPL")
 provides=("spl-utils")
@@ -28,7 +26,6 @@ build() {
 package() {
     cd "${spl_workdir}"
     make DESTDIR="\${pkgdir}" install
-    install -D -m644 "\${srcdir}"/spl-utils.hostid "\${pkgdir}"/etc/hostid
 }
 EOF
 

src/spl-utils/spl-utils.hostid

@@ -1 +0,0 @@
-<EFBFBD><EFBFBD><EFBFBD><EFBFBD>

src/spl/spl.install.sh

@@ -2,7 +2,6 @@
 
 cat << EOF > ${spl_pkgbuild_path}/spl.install
 post_install() {
-    check_hostid
     run_depmod
 }
 
@@ -11,23 +10,9 @@ post_remove() {
 }
 
 post_upgrade() {
-    check_hostid
     run_depmod
 }
 
-check_hostid() {
-    # Check /etc/hostid to see if it set to the sentinel value, see
-    # https://wiki.archlinux.org/index.php/ZFS for more information.
-    HOSTID=\$(hostid)
-    if [ "0x\${HOSTID}" == "0xffffffff" ]; then
-        # Generate a new hostid
-        : >/etc/hostid
-        HOSTID=\$(hostid)
-        # hostid is 4 byte little endian
-        printf \$(echo -n \$HOSTID | sed 's/\(..\)\(..\)\(..\)\(..\)/\\x\4\\x\3\\x\2\\x\1/') >/etc/hostid
-    fi
-}
-
 run_depmod() {
     echo ">>> Updating SPL module dependencies"
     depmod -a ${kernel_mod_path}

src/zfs-utils/zfs-utils.initcpio.hook

@@ -103,10 +103,6 @@ run_hook() {
             ;;
     esac
 
-    if [ ! -f "/etc/hostid" ] ; then
-        echo "ZFS: No hostid found on kernel command line or /etc/hostid. ZFS pools may not import correctly."
-    fi
-
     # Allow up to n seconds for zfs device to show up
     for i in {1..${ZFS_WAIT}}; do
         [ -c "/dev/zfs" ] && break

src/zfs-utils/zfs-utils.initcpio.install

@@ -27,7 +27,6 @@ build() {
         zstreamdump \
         ztest \
         splat \
-        hostid \
         /lib/udev/vdev_id \
         /lib/udev/zvol_id \
         findmnt
@@ -48,7 +47,6 @@ build() {
 
     [[ -f /etc/zfs/zpool.cache ]] && add_file "/etc/zfs/zpool.cache"
     [[ -f /etc/modprobe.d/zfs.conf ]] && add_file "/etc/modprobe.d/zfs.conf"
-    [[ -f /etc/hostid ]] && add_file "/etc/hostid"
 }
 
 help() {