iscsi: always popd, even if there is no iscsi device

[thirdparty/dracut.git] / dracut-functions.sh

diff --git a/dracut-functions.sh b/dracut-functions.sh
index badd2a222fed9e6f9f8466c8856f922ffd550d4f..1431dd1861da9a27815f5c426668f02b3c095aca 100755 (executable)
--- a/dracut-functions.sh
+++ b/dracut-functions.sh
@@ -223,14 +223,20 @@ get_devpath_block() {
 
 # get a persistent path from a device
 get_persistent_dev() {
-    local i _tmp _dev
+    local i _tmp _dev _pol
 
     _dev=$(get_maj_min "$1")
     [ -z "$_dev" ] && return
 
+    if [[ -n "$persistent_policy" ]]; then
+       _pol="/dev/disk/${persistent_policy}/*"
+    else
+       _pol=
+    fi
+
     for i in \
+        $_pol \
         /dev/mapper/* \
-        /dev/disk/${persistent_policy:-by-uuid}/* \
         /dev/disk/by-uuid/* \
         /dev/disk/by-label/* \
         /dev/disk/by-partuuid/* \
@@ -491,13 +497,14 @@ check_block_and_slaves() {
     [[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
     if ! lvm_internal_dev $2; then "$1" $2 && return; fi
     check_vol_slaves "$@" && return 0
-    if [[ -f /sys/dev/block/$2/../dev ]]; then
+    if [[ -f /sys/dev/block/$2/../dev ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
         check_block_and_slaves $1 $(<"/sys/dev/block/$2/../dev") && return 0
     fi
     [[ -d /sys/dev/block/$2/slaves ]] || return 1
-    for _x in /sys/dev/block/$2/slaves/*/dev; do
-        [[ -f $_x ]] || continue
-        check_block_and_slaves $1 $(<"$_x") && return 0
+    for _x in /sys/dev/block/$2/slaves/*; do
+        [[ -f $_x/dev ]] || continue
+        [[ $_x/subsystem -ef /sys/class/block ]] || continue
+        check_block_and_slaves $1 $(<"$_x/dev") && return 0
     done
     return 1
 }
@@ -509,13 +516,14 @@ check_block_and_slaves_all() {
         _ret=0
     fi
     check_vol_slaves_all "$@" && return 0
-    if [[ -f /sys/dev/block/$2/../dev ]]; then
+    if [[ -f /sys/dev/block/$2/../dev ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
         check_block_and_slaves_all $1 $(<"/sys/dev/block/$2/../dev") && _ret=0
     fi
     [[ -d /sys/dev/block/$2/slaves ]] || return 1
-    for _x in /sys/dev/block/$2/slaves/*/dev; do
-        [[ -f $_x ]] || continue
-        check_block_and_slaves_all $1 $(<"$_x") && _ret=0
+    for _x in /sys/dev/block/$2/slaves/*; do
+        [[ -f $_x/dev ]] || continue
+        [[ $_x/subsystem -ef /sys/class/block ]] || continue
+        check_block_and_slaves_all $1 $(<"$_x/dev") && _ret=0
     done
     return $_ret
 }
@@ -668,6 +676,17 @@ get_ucode_file ()
     fi
 }
 
+# Get currently loaded modules
+# sorted, and delimited by newline
+get_loaded_kernel_modules ()
+{
+    local modules=( )
+    while read _module _size _used _used_by; do
+        modules+=( "$_module" )
+    done <<< "$(lsmod | sed -n '1!p')"
+    printf '%s\n' "${modules[@]}" | sort
+}
+
 # Not every device in /dev/mapper should be examined.
 # If it is an LVM device, touch only devices which have /dev/VG/LV symlink.
 lvm_internal_dev() {