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dm: change from DMWARN to DMERR or DMCRIT for fatal errors 

Change DMWARN to DMERR in cases when there is an unrecoverable error.
Change DMWARN to DMCRIT when handling of a case is unimplemented.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Mikulas Patocka 2022-08-24 07:25:57 -04:00 committed by Mike Snitzer
parent 141b3523e9
commit 43e6c11182
5 changed files with 85 additions and 85 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

78
drivers/md/dm-ioctl.c
View File

@ -434,10 +434,10 @@ static struct mapped_device *dm_hash_rename(struct dm_ioctl *param,
hc = __get_name_cell(new);
if (hc) {
DMWARN("Unable to change %s on mapped device %s to one that "
"already exists: %s",
change_uuid ? "uuid" : "name",
param->name, new);
DMERR("Unable to change %s on mapped device %s to one that "
"already exists: %s",
change_uuid ? "uuid" : "name",
param->name, new);
dm_put(hc->md);
up_write(&_hash_lock);
kfree(new_data);
@ -449,8 +449,8 @@ static struct mapped_device *dm_hash_rename(struct dm_ioctl *param,
*/
hc = __get_name_cell(param->name);
if (!hc) {
DMWARN("Unable to rename non-existent device, %s to %s%s",
param->name, change_uuid ? "uuid " : "", new);
DMERR("Unable to rename non-existent device, %s to %s%s",
param->name, change_uuid ? "uuid " : "", new);
up_write(&_hash_lock);
kfree(new_data);
return ERR_PTR(-ENXIO);
@ -460,9 +460,9 @@ static struct mapped_device *dm_hash_rename(struct dm_ioctl *param,
* Does this device already have a uuid?
*/
if (change_uuid && hc->uuid) {
DMWARN("Unable to change uuid of mapped device %s to %s "
"because uuid is already set to %s",
param->name, new, hc->uuid);
DMERR("Unable to change uuid of mapped device %s to %s "
"because uuid is already set to %s",
param->name, new, hc->uuid);
dm_put(hc->md);
up_write(&_hash_lock);
kfree(new_data);
@ -750,7 +750,7 @@ static int get_target_version(struct file *filp, struct dm_ioctl *param, size_t
static int check_name(const char *name)
{
if (strchr(name, '/')) {
DMWARN("invalid device name");
DMERR("invalid device name");
return -EINVAL;
}
@ -773,7 +773,7 @@ static struct dm_table *dm_get_inactive_table(struct mapped_device *md, int *src
down_read(&_hash_lock);
hc = dm_get_mdptr(md);
if (!hc || hc->md != md) {
DMWARN("device has been removed from the dev hash table.");
DMERR("device has been removed from the dev hash table.");
goto out;
}
@ -1026,7 +1026,7 @@ static int dev_rename(struct file *filp, struct dm_ioctl *param, size_t param_si
if (new_data < param->data ||
invalid_str(new_data, (void *) param + param_size) || !*new_data ||
strlen(new_data) > (change_uuid ? DM_UUID_LEN - 1 : DM_NAME_LEN - 1)) {
DMWARN("Invalid new mapped device name or uuid string supplied.");
DMERR("Invalid new mapped device name or uuid string supplied.");
return -EINVAL;
}
@ -1061,7 +1061,7 @@ static int dev_set_geometry(struct file *filp, struct dm_ioctl *param, size_t pa
if (geostr < param->data ||
invalid_str(geostr, (void *) param + param_size)) {
DMWARN("Invalid geometry supplied.");
DMERR("Invalid geometry supplied.");
goto out;
}
@ -1069,13 +1069,13 @@ static int dev_set_geometry(struct file *filp, struct dm_ioctl *param, size_t pa
indata + 1, indata + 2, indata + 3, &dummy);
if (x != 4) {
DMWARN("Unable to interpret geometry settings.");
DMERR("Unable to interpret geometry settings.");
goto out;
}
if (indata[0] > 65535 || indata[1] > 255 ||
indata[2] > 255 || indata[3] > ULONG_MAX) {
DMWARN("Geometry exceeds range limits.");
DMERR("Geometry exceeds range limits.");
goto out;
}
@ -1387,7 +1387,7 @@ static int populate_table(struct dm_table *table,
char *target_params;
if (!param->target_count) {
DMWARN("populate_table: no targets specified");
DMERR("populate_table: no targets specified");
return -EINVAL;
}
@ -1395,7 +1395,7 @@ static int populate_table(struct dm_table *table,
r = next_target(spec, next, end, &spec, &target_params);
if (r) {
DMWARN("unable to find target");
DMERR("unable to find target");
return r;
}
@ -1404,7 +1404,7 @@ static int populate_table(struct dm_table *table,
(sector_t) spec->length,
target_params);
if (r) {
DMWARN("error adding target to table");
DMERR("error adding target to table");
return r;
}
@ -1451,8 +1451,8 @@ static int table_load(struct file *filp, struct dm_ioctl *param, size_t param_si
if (immutable_target_type &&
(immutable_target_type != dm_table_get_immutable_target_type(t)) &&
!dm_table_get_wildcard_target(t)) {
DMWARN("can't replace immutable target type %s",
immutable_target_type->name);
DMERR("can't replace immutable target type %s",
immutable_target_type->name);
r = -EINVAL;
goto err_unlock_md_type;
}
@ -1461,12 +1461,12 @@ static int table_load(struct file *filp, struct dm_ioctl *param, size_t param_si
/* setup md->queue to reflect md's type (may block) */
r = dm_setup_md_queue(md, t);
if (r) {
DMWARN("unable to set up device queue for new table.");
DMERR("unable to set up device queue for new table.");
goto err_unlock_md_type;
}
} else if (!is_valid_type(dm_get_md_type(md), dm_table_get_type(t))) {
DMWARN("can't change device type (old=%u vs new=%u) after initial table load.",
dm_get_md_type(md), dm_table_get_type(t));
DMERR("can't change device type (old=%u vs new=%u) after initial table load.",
dm_get_md_type(md), dm_table_get_type(t));
r = -EINVAL;
goto err_unlock_md_type;
}
@ -1477,7 +1477,7 @@ static int table_load(struct file *filp, struct dm_ioctl *param, size_t param_si
down_write(&_hash_lock);
hc = dm_get_mdptr(md);
if (!hc || hc->md != md) {
DMWARN("device has been removed from the dev hash table.");
DMERR("device has been removed from the dev hash table.");
up_write(&_hash_lock);
r = -ENXIO;
goto err_destroy_table;
@ -1686,19 +1686,19 @@ static int target_message(struct file *filp, struct dm_ioctl *param, size_t para
if (tmsg < (struct dm_target_msg *) param->data ||
invalid_str(tmsg->message, (void *) param + param_size)) {
DMWARN("Invalid target message parameters.");
DMERR("Invalid target message parameters.");
r = -EINVAL;
goto out;
}
r = dm_split_args(&argc, &argv, tmsg->message);
if (r) {
DMWARN("Failed to split target message parameters");
DMERR("Failed to split target message parameters");
goto out;
}
if (!argc) {
DMWARN("Empty message received.");
DMERR("Empty message received.");
r = -EINVAL;
goto out_argv;
}
@ -1718,12 +1718,12 @@ static int target_message(struct file *filp, struct dm_ioctl *param, size_t para
ti = dm_table_find_target(table, tmsg->sector);
if (!ti) {
DMWARN("Target message sector outside device.");
DMERR("Target message sector outside device.");
r = -EINVAL;
} else if (ti->type->message)
r = ti->type->message(ti, argc, argv, result, maxlen);
else {
DMWARN("Target type does not support messages");
DMERR("Target type does not support messages");
r = -EINVAL;
}
@ -1814,11 +1814,11 @@ static int check_version(unsigned int cmd, struct dm_ioctl __user *user)
if ((DM_VERSION_MAJOR != version[0]) ||
(DM_VERSION_MINOR < version[1])) {
DMWARN("ioctl interface mismatch: "
"kernel(%u.%u.%u), user(%u.%u.%u), cmd(%d)",
DM_VERSION_MAJOR, DM_VERSION_MINOR,
DM_VERSION_PATCHLEVEL,
version[0], version[1], version[2], cmd);
DMERR("ioctl interface mismatch: "
"kernel(%u.%u.%u), user(%u.%u.%u), cmd(%d)",
DM_VERSION_MAJOR, DM_VERSION_MINOR,
DM_VERSION_PATCHLEVEL,
version[0], version[1], version[2], cmd);
r = -EINVAL;
}
@ -1927,11 +1927,11 @@ static int validate_params(uint cmd, struct dm_ioctl *param)
if (cmd == DM_DEV_CREATE_CMD) {
if (!*param->name) {
DMWARN("name not supplied when creating device");
DMERR("name not supplied when creating device");
return -EINVAL;
}
} else if (*param->uuid && *param->name) {
DMWARN("only supply one of name or uuid, cmd(%u)", cmd);
DMERR("only supply one of name or uuid, cmd(%u)", cmd);
return -EINVAL;
}
@ -1978,7 +1978,7 @@ static int ctl_ioctl(struct file *file, uint command, struct dm_ioctl __user *us
fn = lookup_ioctl(cmd, &ioctl_flags);
if (!fn) {
DMWARN("dm_ctl_ioctl: unknown command 0x%x", command);
DMERR("dm_ctl_ioctl: unknown command 0x%x", command);
return -ENOTTY;
}
@ -2203,7 +2203,7 @@ int __init dm_early_create(struct dm_ioctl *dmi,
(sector_t) spec_array[i]->length,
target_params_array[i]);
if (r) {
DMWARN("error adding target to table");
DMERR("error adding target to table");
goto err_destroy_table;
}
}
@ -2216,7 +2216,7 @@ int __init dm_early_create(struct dm_ioctl *dmi,
/* setup md->queue to reflect md's type (may block) */
r = dm_setup_md_queue(md, t);
if (r) {
DMWARN("unable to set up device queue for new table.");
DMERR("unable to set up device queue for new table.");
goto err_destroy_table;
}

4
drivers/md/dm-rq.c
View File

@ -238,7 +238,7 @@ static void dm_done(struct request *clone, blk_status_t error, bool mapped)
dm_requeue_original_request(tio, true);
break;
default:
DMWARN("unimplemented target endio return value: %d", r);
DMCRIT("unimplemented target endio return value: %d", r);
BUG();
}
}
@ -409,7 +409,7 @@ static int map_request(struct dm_rq_target_io *tio)
dm_kill_unmapped_request(rq, BLK_STS_IOERR);
break;
default:
DMWARN("unimplemented target map return value: %d", r);
DMCRIT("unimplemented target map return value: %d", r);
BUG();
}

2
drivers/md/dm-stats.c
View File

@ -1220,7 +1220,7 @@ int dm_stats_message(struct mapped_device *md, unsigned argc, char **argv,
return 2; /* this wasn't a stats message */
if (r == -EINVAL)
DMWARN("Invalid parameters for message %s", argv[0]);
DMCRIT("Invalid parameters for message %s", argv[0]);
return r;
}

78
drivers/md/dm-table.c
View File

@ -234,12 +234,12 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
return 0;
if ((start >= dev_size) || (start + len > dev_size)) {
DMWARN("%s: %pg too small for target: "
"start=%llu, len=%llu, dev_size=%llu",
dm_device_name(ti->table->md), bdev,
(unsigned long long)start,
(unsigned long long)len,
(unsigned long long)dev_size);
DMERR("%s: %pg too small for target: "
"start=%llu, len=%llu, dev_size=%llu",
dm_device_name(ti->table->md), bdev,
(unsigned long long)start,
(unsigned long long)len,
(unsigned long long)dev_size);
return 1;
}
@ -251,10 +251,10 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
unsigned int zone_sectors = bdev_zone_sectors(bdev);
if (start & (zone_sectors - 1)) {
DMWARN("%s: start=%llu not aligned to h/w zone size %u of %pg",
dm_device_name(ti->table->md),
(unsigned long long)start,
zone_sectors, bdev);
DMERR("%s: start=%llu not aligned to h/w zone size %u of %pg",
dm_device_name(ti->table->md),
(unsigned long long)start,
zone_sectors, bdev);
return 1;
}
@ -268,10 +268,10 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
* the sector range.
*/
if (len & (zone_sectors - 1)) {
DMWARN("%s: len=%llu not aligned to h/w zone size %u of %pg",
dm_device_name(ti->table->md),
(unsigned long long)len,
zone_sectors, bdev);
DMERR("%s: len=%llu not aligned to h/w zone size %u of %pg",
dm_device_name(ti->table->md),
(unsigned long long)len,
zone_sectors, bdev);
return 1;
}
}
@ -280,20 +280,20 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
return 0;
if (start & (logical_block_size_sectors - 1)) {
DMWARN("%s: start=%llu not aligned to h/w "
"logical block size %u of %pg",
dm_device_name(ti->table->md),
(unsigned long long)start,
limits->logical_block_size, bdev);
DMERR("%s: start=%llu not aligned to h/w "
"logical block size %u of %pg",
dm_device_name(ti->table->md),
(unsigned long long)start,
limits->logical_block_size, bdev);
return 1;
}
if (len & (logical_block_size_sectors - 1)) {
DMWARN("%s: len=%llu not aligned to h/w "
"logical block size %u of %pg",
dm_device_name(ti->table->md),
(unsigned long long)len,
limits->logical_block_size, bdev);
DMERR("%s: len=%llu not aligned to h/w "
"logical block size %u of %pg",
dm_device_name(ti->table->md),
(unsigned long long)len,
limits->logical_block_size, bdev);
return 1;
}
@ -434,8 +434,8 @@ void dm_put_device(struct dm_target *ti, struct dm_dev *d)
}
}
if (!found) {
DMWARN("%s: device %s not in table devices list",
dm_device_name(ti->table->md), d->name);
DMERR("%s: device %s not in table devices list",
dm_device_name(ti->table->md), d->name);
return;
}
if (refcount_dec_and_test(&dd->count)) {
@ -618,12 +618,12 @@ static int validate_hardware_logical_block_alignment(struct dm_table *t,
}
if (remaining) {
DMWARN("%s: table line %u (start sect %llu len %llu) "
"not aligned to h/w logical block size %u",
dm_device_name(t->md), i,
(unsigned long long) ti->begin,
(unsigned long long) ti->len,
limits->logical_block_size);
DMERR("%s: table line %u (start sect %llu len %llu) "
"not aligned to h/w logical block size %u",
dm_device_name(t->md), i,
(unsigned long long) ti->begin,
(unsigned long long) ti->len,
limits->logical_block_size);
return -EINVAL;
}
@ -1008,7 +1008,7 @@ static int dm_table_alloc_md_mempools(struct dm_table *t, struct mapped_device *
struct dm_md_mempools *pools;
if (unlikely(type == DM_TYPE_NONE)) {
DMWARN("no table type is set, can't allocate mempools");
DMERR("no table type is set, can't allocate mempools");
return -EINVAL;
}
@ -1112,7 +1112,7 @@ static bool integrity_profile_exists(struct gendisk *disk)
* Get a disk whose integrity profile reflects the table's profile.
* Returns NULL if integrity support was inconsistent or unavailable.
*/
static struct gendisk * dm_table_get_integrity_disk(struct dm_table *t)
static struct gendisk *dm_table_get_integrity_disk(struct dm_table *t)
{
struct list_head *devices = dm_table_get_devices(t);
struct dm_dev_internal *dd = NULL;
@ -1185,10 +1185,10 @@ static int dm_table_register_integrity(struct dm_table *t)
* profile the new profile should not conflict.
*/
if (blk_integrity_compare(dm_disk(md), template_disk) < 0) {
DMWARN("%s: conflict with existing integrity profile: "
"%s profile mismatch",
dm_device_name(t->md),
template_disk->disk_name);
DMERR("%s: conflict with existing integrity profile: "
"%s profile mismatch",
dm_device_name(t->md),
template_disk->disk_name);
return 1;
}
@ -1327,7 +1327,7 @@ static int dm_table_construct_crypto_profile(struct dm_table *t)
if (t->md->queue &&
!blk_crypto_has_capabilities(profile,
t->md->queue->crypto_profile)) {
DMWARN("Inline encryption capabilities of new DM table were more restrictive than the old table's. This is not supported!");
DMERR("Inline encryption capabilities of new DM table were more restrictive than the old table's. This is not supported!");
dm_destroy_crypto_profile(profile);
return -EINVAL;
}

8
drivers/md/dm.c
View File

@ -864,7 +864,7 @@ int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo)
sector_t sz = (sector_t)geo->cylinders * geo->heads * geo->sectors;
if (geo->start > sz) {
DMWARN("Start sector is beyond the geometry limits.");
DMERR("Start sector is beyond the geometry limits.");
return -EINVAL;
}
@ -1149,7 +1149,7 @@ static void clone_endio(struct bio *bio)
/* The target will handle the io */
return;
default:
DMWARN("unimplemented target endio return value: %d", r);
DMCRIT("unimplemented target endio return value: %d", r);
BUG();
}
}
@ -1455,7 +1455,7 @@ static void __map_bio(struct bio *clone)
dm_io_dec_pending(io, BLK_STS_DM_REQUEUE);
break;
default:
DMWARN("unimplemented target map return value: %d", r);
DMCRIT("unimplemented target map return value: %d", r);
BUG();
}
}
@ -2005,7 +2005,7 @@ static struct mapped_device *alloc_dev(int minor)
md = kvzalloc_node(sizeof(*md), GFP_KERNEL, numa_node_id);
if (!md) {
DMWARN("unable to allocate device, out of memory.");
DMERR("unable to allocate device, out of memory.");
return NULL;
}