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device_id: improve validate debug messages

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Make the device_ids_validate messages consistent.

Consistently use "noupdate" and "update_needed" args.
This commit is contained in:
David Teigland 2023-10-27 17:13:25 -05:00
parent ec47f0763d
commit a5628cf782
5 changed files with 46 additions and 42 deletions
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4
lib/cache/lvmcache.c vendored
View File

@ -1627,7 +1627,7 @@ int lvmcache_label_scan(struct cmd_context *cmd)
if (!dm_list_empty(&cmd->device_ids_check_serial)) {
struct dm_list scan_devs;
dm_list_init(&scan_devs);
device_ids_check_serial(cmd, &scan_devs, NULL, 0);
device_ids_check_serial(cmd, &scan_devs, 0, NULL);
if (!dm_list_empty(&scan_devs))
label_scan_devs(cmd, cmd->filter, &scan_devs);
}
@ -1660,7 +1660,7 @@ int lvmcache_label_scan(struct cmd_context *cmd)
if (cmd->device_ids_invalid || cmd->device_ids_refresh_trigger) {
struct dm_list refresh_devs;
dm_list_init(&refresh_devs);
device_ids_refresh(cmd, &refresh_devs, NULL, 0);
device_ids_refresh(cmd, &refresh_devs, NULL, 0, NULL);
if (!dm_list_empty(&refresh_devs))
label_scan_devs(cmd, cmd->filter, &refresh_devs);
}

47
lib/device/device_id.c
View File

@ -2428,7 +2428,7 @@ static void _get_devs_with_serial_numbers(struct cmd_context *cmd, struct dm_lis
* use_devices entries from the devices file.
*/
void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs, int noupdate, int using_hints)
void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs, int using_hints, int noupdate, int *update_needed)
{
struct dm_list wrong_devs;
struct device *dev = NULL;
@ -2495,10 +2495,9 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
* probably wants to do something about it.
*/
if (!cmd->filter->passes_filter(cmd, cmd->filter, dev, "persistent")) {
log_debug("Validate %s %s PVID %s on %s: filtered",
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".", dev_name(dev));
log_warn("Devices file %s is excluded: %s.",
dev_name(dev), dev_filtered_reason(dev));
log_debug("Validate %s %s PVID %s on %s: filtered (%s)",
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".",
dev_name(dev), dev_filtered_reason(dev));
continue;
}
@ -2612,10 +2611,11 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
cmd->device_ids_invalid = 1;
}
/* Fix the DEVNAME field if it's outdated, not generally expected */
/* Fix the DEVNAME field if it's outdated. */
if (!du->devname || strcmp(devname, du->devname)) {
log_debug("Updating outdated DEVNAME from %s to %s for PVID %s",
du->devname ?: ".", devname, du->pvid);
log_debug("Validate %s %s PVID %s on %s: outdated DEVNAME %s",
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".", devname,
du->devname ?: ".");
if (!(tmpdup = strdup(devname)))
continue;
free(du->devname);
@ -2644,7 +2644,7 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".", devname);
} else {
log_debug("Validate %s %s PVID %s on %s: wrong PVID %s.",
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".", devname, dev->pvid);
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".", devname, dev->pvid);
if ((devl = dm_pool_zalloc(cmd->mem, sizeof(*devl)))) {
devl->dev = du->dev;
dm_list_add(&wrong_devs, &devl->list);
@ -2668,7 +2668,8 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
devname = dev_name(dev);
log_debug("New match for devices file PVID %s now on %s.", du->pvid, devname);
log_debug("Validate %s %s PVID %s: found on %s",
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".", devname);
dup_devname1 = strdup(devname);
dup_devname2 = strdup(devname);
@ -2719,7 +2720,7 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
continue;
if (du->dev)
continue;
log_debug("Validate %s %s PVID %s: no device match",
log_debug("Validate %s %s PVID %s: no device found",
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".");
}
@ -2750,10 +2751,11 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
/*
* du2 is correctly matched to a dev using this pvid,
* so drop the pvid from du.
* TOOD: it would make sense to clear IDNAME, but
* TODO: it would make sense to clear IDNAME, but
* can we handle entries with no IDNAME?
*/
log_debug("Device %s no longer has PVID %s.", dev_name(du->dev), du->pvid);
log_debug("Validate %s %s PVID %s: no device found, remove incorrect PVID",
idtype_to_str(du->idtype), du->idname ?: ".", du->pvid ?: ".");
free(du->pvid);
free(du->devname);
du->pvid = NULL;
@ -2800,10 +2802,9 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
if (strcmp(du->idname, du2->idname))
continue;
log_debug("Repeated idname %s pvids %s %s",
du->idname, du->pvid ?: ".", du2->pvid ?: ".");
if (!du2->pvid) {
log_debug("Validate %s %s PVID none: remove entry with repeated devname",
idtype_to_str(du2->idtype), du2->idname ?: ".");
dm_list_del(&du2->list);
free_du(du2);
update_file = 1;
@ -2847,6 +2848,9 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
if (update_file || cmd->device_ids_invalid)
unlink_searched_devnames(cmd);
if (update_file && update_needed)
*update_needed = 1;
/* FIXME: for wrong devname cases, wait to write new until device_ids_refresh? */
/*
@ -2895,7 +2899,7 @@ void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs,
* (This could also be done for duplicate wwids if needed.)
*/
void device_ids_check_serial(struct cmd_context *cmd, struct dm_list *scan_devs,
int *update_needed, int noupdate)
int noupdate, int *update_needed)
{
struct dm_list dus_check; /* dev_use_list */
struct dm_list devs_check; /* device_list */
@ -3176,8 +3180,8 @@ void device_ids_check_serial(struct cmd_context *cmd, struct dm_list *scan_devs,
* is using a non-system devices file?
*/
void device_ids_refresh(struct cmd_context *cmd, struct dm_list *dev_list,
int *search_count, int noupdate)
void device_ids_refresh(struct cmd_context *cmd, struct dm_list *refresh_devs,
int *search_count, int noupdate, int *update_needed)
{
struct device *dev;
struct dev_use *du;
@ -3528,6 +3532,9 @@ void device_ids_refresh(struct cmd_context *cmd, struct dm_list *dev_list,
log_debug("Search for PVIDs found no updates");
}
if (update_file && update_needed)
*update_needed = 1;
/*
* The entries in search_list_pvids with a dev set are the new devs found
* for the PVIDs that we want to return to the caller in a device_list
@ -3541,7 +3548,7 @@ void device_ids_refresh(struct cmd_context *cmd, struct dm_list *dev_list,
if (!(devl = dm_pool_zalloc(cmd->mem, sizeof(*devl))))
continue;
devl->dev = dev;
dm_list_add(dev_list, &devl->list);
dm_list_add(refresh_devs, &devl->list);
}
/*

11
lib/device/device_id.h
View File

@ -33,12 +33,15 @@ void device_id_pvremove(struct cmd_context *cmd, struct device *dev);
void device_ids_match(struct cmd_context *cmd);
int device_ids_match_dev(struct cmd_context *cmd, struct device *dev);
void device_ids_match_device_list(struct cmd_context *cmd);
void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs, int noupdate, int using_hints);
int device_ids_version_unchanged(struct cmd_context *cmd);
void device_ids_check_serial(struct cmd_context *cmd, struct dm_list *scan_devs, int *update_needed, int noupdate);
void device_ids_refresh(struct cmd_context *cmd, struct dm_list *dev_list, int *search_count, int noupdate);
void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs, int using_hints,
int noupdate, int *update_needed);
void device_ids_check_serial(struct cmd_context *cmd, struct dm_list *scan_devs,
int noupdate, int *update_needed);
void device_ids_refresh(struct cmd_context *cmd, struct dm_list *dev_list, int *search_count,
int noupdate, int *update_needed);
const char *device_id_system_read(struct cmd_context *cmd, struct device *dev, uint16_t idtype);
void device_id_update_vg_uuid(struct cmd_context *cmd, struct volume_group *vg, struct id *old_vg_id);
int device_ids_version_unchanged(struct cmd_context *cmd);
struct dev_use *get_du_for_devno(struct cmd_context *cmd, dev_t devno);
struct dev_use *get_du_for_dev(struct cmd_context *cmd, struct device *dev);

2
lib/label/label.c
View File

@ -1457,7 +1457,7 @@ int label_scan(struct cmd_context *cmd)
* Check if the devices_file content is up to date and
* if not update it.
*/
device_ids_validate(cmd, &scan_devs, 0, using_hints);
device_ids_validate(cmd, &scan_devs, using_hints, 0, NULL);
dm_list_iterate_items_safe(devl, devl2, &all_devs) {
dm_list_del(&devl->list);

24
tools/lvmdevices.c
View File

@ -188,7 +188,6 @@ int lvmdevices(struct cmd_context *cmd, int argc, char **argv)
int update_set = arg_is_set(cmd, update_ARG);
int search_count = 0;
int update_needed = 0;
int serial_update_needed = 0;
unlink_searched_devnames(cmd);
@ -226,13 +225,9 @@ int lvmdevices(struct cmd_context *cmd, int argc, char **argv)
/*
* Check that the pvid read from the lvm label matches the pvid
* for this devices file entry. Also print a warning if a dev
* from use_devices does not pass the filters that have been
* run just above.
* for this devices file entry.
*/
device_ids_validate(cmd, NULL, 1, 0);
if (cmd->device_ids_invalid)
update_needed = 1;
device_ids_validate(cmd, NULL, 0, 1, &update_needed);
/*
* Remove multipath components.
@ -275,17 +270,16 @@ int lvmdevices(struct cmd_context *cmd, int argc, char **argv)
}
}
if (!dm_list_empty(&cmd->device_ids_check_serial))
device_ids_check_serial(cmd, &scan_devs, &serial_update_needed, 1);
if (!dm_list_empty(&cmd->device_ids_check_serial)) {
device_ids_check_serial(cmd, &scan_devs, 1, &update_needed);
/* device_ids_check_serial has done label_read_pvid on the scan_devs. */
}
/*
* Find and fix any devname entries that have moved to a
* renamed device.
*/
device_ids_refresh(cmd, &found_devs, &search_count, 1);
if (search_count && !strcmp(cmd->search_for_devnames, "none"))
log_print("Not searching for missing devnames, search_for_devnames=\"none\".");
device_ids_refresh(cmd, &found_devs, &search_count, 1, &update_needed);
dm_list_iterate_items(du, &cmd->use_devices) {
if (du->dev)
@ -305,7 +299,7 @@ int lvmdevices(struct cmd_context *cmd, int argc, char **argv)
}
if (arg_is_set(cmd, update_ARG)) {
if (update_needed || serial_update_needed || !dm_list_empty(&found_devs)) {
if (update_needed || !dm_list_empty(&found_devs)) {
if (!device_ids_write(cmd))
goto_bad;
log_print("Updated devices file to version %s", devices_file_version());
@ -318,7 +312,7 @@ int lvmdevices(struct cmd_context *cmd, int argc, char **argv)
* needs updates, i.e. running --update would make
* changes.
*/
if (update_needed || serial_update_needed) {
if (update_needed) {
log_error("Updates needed for devices file.");
goto bad;
}