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repart: hide read-only block devices from candidates

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If they are read-only they are no candidates, since we cannot write to
them.
This commit is contained in:
Lennart Poettering
2026-04-30 08:04:55 +02:00
committed by Lennart Poettering
parent 3f2189ca25
commit a69f0b8b28
3 changed files with 23 additions and 8 deletions
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src/shared/blockdev-list.c
+14 -7
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@@ -188,6 +188,20 @@ int blockdev_list(BlockDevListFlags flags, BlockDevice **ret_devices, size_t *re
}
}
int ro = -1;
if (FLAGS_SET(flags, BLOCKDEV_LIST_IGNORE_READ_ONLY) || FLAGS_SET(flags, BLOCKDEV_LIST_METADATA)) {
r = device_get_sysattr_bool(dev, "ro");
if (r < 0)
log_device_debug_errno(dev, r, "Failed to acquire read-only flag of device '%s', ignoring: %m", node);
else
ro = r;
if (ro > 0 && FLAGS_SET(flags, BLOCKDEV_LIST_IGNORE_READ_ONLY)) {
log_device_debug(dev, "Device '%s' is read-only, skipping.", node);
continue;
}
}
_cleanup_strv_free_ char **list = NULL;
if (FLAGS_SET(flags, BLOCKDEV_LIST_SHOW_SYMLINKS)) {
FOREACH_DEVICE_DEVLINK(dev, sl)
@@ -198,17 +212,10 @@ int blockdev_list(BlockDevListFlags flags, BlockDevice **ret_devices, size_t *re
}
_cleanup_free_ char *model = NULL, *vendor = NULL, *subsystem = NULL;
int ro = -1;
if (FLAGS_SET(flags, BLOCKDEV_LIST_METADATA)) {
(void) blockdev_get_prop(dev, "ID_MODEL_FROM_DATABASE", "ID_MODEL", &model);
(void) blockdev_get_prop(dev, "ID_VENDOR_FROM_DATABASE", "ID_VENDOR", &vendor);
(void) blockdev_get_subsystem(dev, &subsystem);
r = device_get_sysattr_bool(dev, "ro");
if (r < 0)
log_device_debug_errno(dev, r, "Failed to acquire read-only flag of device '%s', ignoring: %m", node);
else
ro = r;
}
if (ret_devices) {