15057632786

Committed 15 May 2025 09:01PM UTC coverage: 72.267% (+0.02%) from 72.244%

Build # 15057632786

Build Type

push

github

Committed by

bluca

Commit Message

man: document how to hook stuff into system wakeup

Fixes: #6364

Coverage Stats

298523 of 413084 relevant lines covered (72.27%)

738132.88 hits per line

Source File
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76.19

/src/shared/blockdev-list.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include "sd-device.h"

#include "ansi-color.h"
#include "blockdev-list.h"
#include "blockdev-util.h"
#include "device-util.h"
#include "macro.h"
#include "strv.h"
#include "terminal-util.h"

int blockdev_list(BlockDevListFlags flags) {
        _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
        int r;

        if (sd_device_enumerator_new(&e) < 0)
                return log_oom();

        r = sd_device_enumerator_add_match_subsystem(e, "block", /* match = */ true);
        if (r < 0)
                return log_error_errno(r, "Failed to add subsystem match: %m");

        if (FLAGS_SET(flags, BLOCKDEV_LIST_REQUIRE_LUKS)) {
                r = sd_device_enumerator_add_match_property(e, "ID_FS_TYPE", "crypto_LUKS");
                if (r < 0)
                        return log_error_errno(r, "Failed to add match for LUKS block devices: %m");
        }

        FOREACH_DEVICE(e, dev) {
                const char *node;

                r = sd_device_get_devname(dev, &node);
                if (r < 0) {
                        log_warning_errno(r, "Failed to get device node of discovered block device, ignoring: %m");
                        continue;
                }

                if (FLAGS_SET(flags, BLOCKDEV_LIST_IGNORE_ZRAM)) {
                        r = device_sysname_startswith(dev, "zram");
                        if (r < 0) {
                                log_warning_errno(r, "Failed to check device name of discovered block device '%s', ignoring: %m", node);
                                continue;
                        }
                        if (r > 0)
                                continue;
                }

                if (FLAGS_SET(flags, BLOCKDEV_LIST_REQUIRE_PARTITION_SCANNING)) {
                        r = blockdev_partscan_enabled(dev);
                        if (r < 0) {
                                log_warning_errno(r, "Unable to determine whether '%s' supports partition scanning, skipping device: %m", node);
                                continue;
                        }
                        if (r == 0) {
                                log_debug("Device '%s' does not support partition scanning, skipping.", node);
                                continue;
                        }
                }

                printf("%s\n", node);

                if (FLAGS_SET(flags, BLOCKDEV_LIST_SHOW_SYMLINKS)) {
                        _cleanup_strv_free_ char **list = NULL;

                        FOREACH_DEVICE_DEVLINK(dev, l)
                                if (strv_extend(&list, l) < 0)
                                        return log_oom();

                        strv_sort(list);

                        STRV_FOREACH(i, list)
                                printf("%s%s%s%s\n", on_tty() ? "    " : "", ansi_grey(), *i, ansi_normal());
                }
        }

        return 0;
}

1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3	#include "sd-device.h"
4
5	#include "ansi-color.h"
6	#include "blockdev-list.h"
7	#include "blockdev-util.h"
8	#include "device-util.h"
9	#include "macro.h"
10	#include "strv.h"
11	#include "terminal-util.h"
12
13	int blockdev_list(BlockDevListFlags flags) {	4✔
14	_cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;	4✔
15	int r;	4✔
16
17	if (sd_device_enumerator_new(&e) < 0)	4✔
18	return log_oom();	×
19
20	r = sd_device_enumerator_add_match_subsystem(e, "block", /* match = */ true);	4✔
21	if (r < 0)	4✔
22	return log_error_errno(r, "Failed to add subsystem match: %m");	×
23
24	if (FLAGS_SET(flags, BLOCKDEV_LIST_REQUIRE_LUKS)) {	4✔
25	r = sd_device_enumerator_add_match_property(e, "ID_FS_TYPE", "crypto_LUKS");	1✔
26	if (r < 0)	1✔
27	return log_error_errno(r, "Failed to add match for LUKS block devices: %m");	×
28	}
29
30	FOREACH_DEVICE(e, dev) {	14✔
31	const char *node;	10✔
32
33	r = sd_device_get_devname(dev, &node);	10✔
34	if (r < 0) {	10✔
35	log_warning_errno(r, "Failed to get device node of discovered block device, ignoring: %m");	×
36	continue;	4✔
37	}
38
39	if (FLAGS_SET(flags, BLOCKDEV_LIST_IGNORE_ZRAM)) {	10✔
40	r = device_sysname_startswith(dev, "zram");	9✔
41	if (r < 0) {	9✔
42	log_warning_errno(r, "Failed to check device name of discovered block device '%s', ignoring: %m", node);	×
43	continue;	×
44	}
45	if (r > 0)	9✔
46	continue;	×
47	}
48
49	if (FLAGS_SET(flags, BLOCKDEV_LIST_REQUIRE_PARTITION_SCANNING)) {	10✔
50	r = blockdev_partscan_enabled(dev);	6✔
51	if (r < 0) {	6✔
52	log_warning_errno(r, "Unable to determine whether '%s' supports partition scanning, skipping device: %m", node);	×
53	continue;	×
54	}
55	if (r == 0) {	6✔
56	log_debug("Device '%s' does not support partition scanning, skipping.", node);	4✔
57	continue;	4✔
58	}
59	}
60
61	printf("%s\n", node);	6✔
62
63	if (FLAGS_SET(flags, BLOCKDEV_LIST_SHOW_SYMLINKS)) {	6✔
64	_cleanup_strv_free_ char **list = NULL;	6✔
65
66	FOREACH_DEVICE_DEVLINK(dev, l)	54✔
67	if (strv_extend(&list, l) < 0)	48✔
68	return log_oom();	×
69
70	strv_sort(list);	6✔
71
72	STRV_FOREACH(i, list)	54✔
73	printf("%s%s%s%s\n", on_tty() ? " " : "", ansi_grey(), *i, ansi_normal());	144✔
74	}
75	}
76
77	return 0;
78	}

systemd / systemd / 15057632786

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