diff --git a/man/systemd-storagetm.service.xml b/man/systemd-storagetm.service.xml
index 6fdbc3dc05..25c5c4e4fc 100644
--- a/man/systemd-storagetm.service.xml
+++ b/man/systemd-storagetm.service.xml
@@ -90,6 +90,17 @@
+
+
+
+
+ Show a list of candidate block devices this command may operate on. Specifically,
+ this enumerates block devices currently present, and shows their device node paths along with any of
+ their symlinks.
+
+
+
+
diff --git a/src/storagetm/storagetm.c b/src/storagetm/storagetm.c
index 1bb8eec316..910746dc34 100644
--- a/src/storagetm/storagetm.c
+++ b/src/storagetm/storagetm.c
@@ -5,6 +5,7 @@
#include "af-list.h"
#include "alloc-util.h"
+#include "blockdev-list.h"
#include "blockdev-util.h"
#include "build.h"
#include "daemon-util.h"
@@ -50,6 +51,7 @@ static int help(void) {
" --version Show package version\n"
" --nqn=STRING Select NQN (NVMe Qualified Name)\n"
" -a --all Expose all devices\n"
+ " --list-devices List candidate block devices to operate on\n"
"\nSee the %s for details.\n",
program_invocation_short_name,
ansi_highlight(),
@@ -64,13 +66,15 @@ static int parse_argv(int argc, char *argv[]) {
enum {
ARG_NQN = 0x100,
ARG_VERSION,
+ ARG_LIST_DEVICES,
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "nqn", required_argument, NULL, ARG_NQN },
- { "all", no_argument, NULL, 'a' },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "nqn", required_argument, NULL, ARG_NQN },
+ { "all", no_argument, NULL, 'a' },
+ { "list-devices", no_argument, NULL, ARG_LIST_DEVICES },
{}
};
@@ -102,6 +106,13 @@ static int parse_argv(int argc, char *argv[]) {
arg_all++;
break;
+ case ARG_LIST_DEVICES:
+ r = blockdev_list(BLOCKDEV_LIST_SHOW_SYMLINKS|BLOCKDEV_LIST_IGNORE_ZRAM);
+ if (r < 0)
+ return r;
+
+ return 0;
+
case '?':
return -EINVAL;
diff --git a/test/units/TEST-84-STORAGETM.sh b/test/units/TEST-84-STORAGETM.sh
index eae87d5234..1dd2ea6184 100755
--- a/test/units/TEST-84-STORAGETM.sh
+++ b/test/units/TEST-84-STORAGETM.sh
@@ -3,6 +3,8 @@
set -eux
set -o pipefail
+/usr/lib/systemd/systemd-storagetm --list-devices
+
modprobe -v nvmet-tcp
modprobe -v nvme-tcp