dm raid: address checkpatch.pl complaints

Use 'unsigned int' where appropriate.
Return negative errors.
Correct an indentation.

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Heinz Mauelshagen 2016-07-19 14:03:51 +02:00 committed by Mike Snitzer
parent 9c72bad1f3
commit 094f394df6

View File

@ -256,10 +256,10 @@ static void rs_config_restore(struct raid_set *rs, struct rs_layout *l)
static struct raid_type {
const char *name; /* RAID algorithm. */
const char *descr; /* Descriptor text for logging. */
const unsigned parity_devs; /* # of parity devices. */
const unsigned minimal_devs; /* minimal # of devices in set. */
const unsigned level; /* RAID level. */
const unsigned algorithm; /* RAID algorithm. */
const unsigned int parity_devs; /* # of parity devices. */
const unsigned int minimal_devs;/* minimal # of devices in set. */
const unsigned int level; /* RAID level. */
const unsigned int algorithm; /* RAID algorithm. */
} raid_types[] = {
{"raid0", "raid0 (striping)", 0, 2, 0, 0 /* NONE */},
{"raid1", "raid1 (mirroring)", 0, 2, 1, 0 /* NONE */},
@ -665,9 +665,9 @@ static void rs_set_new(struct raid_set *rs)
}
static struct raid_set *raid_set_alloc(struct dm_target *ti, struct raid_type *raid_type,
unsigned raid_devs)
unsigned int raid_devs)
{
unsigned i;
unsigned int i;
struct raid_set *rs;
if (raid_devs <= raid_type->parity_devs) {
@ -920,9 +920,9 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size)
*/
static int validate_raid_redundancy(struct raid_set *rs)
{
unsigned i, rebuild_cnt = 0;
unsigned rebuilds_per_group = 0, copies;
unsigned group_size, last_group_start;
unsigned int i, rebuild_cnt = 0;
unsigned int rebuilds_per_group = 0, copies;
unsigned int group_size, last_group_start;
for (i = 0; i < rs->md.raid_disks; i++)
if (!test_bit(In_sync, &rs->dev[i].rdev.flags) ||
@ -1030,12 +1030,12 @@ too_many:
* [raid10_format <near|far|offset>] Layout algorithm. (Default: near)
*/
static int parse_raid_params(struct raid_set *rs, struct dm_arg_set *as,
unsigned num_raid_params)
unsigned int num_raid_params)
{
int value, raid10_format = ALGORITHM_RAID10_DEFAULT;
unsigned raid10_copies = 2;
unsigned i, write_mostly = 0;
unsigned region_size = 0;
unsigned int raid10_copies = 2;
unsigned int i, write_mostly = 0;
unsigned int region_size = 0;
sector_t max_io_len;
const char *arg, *key;
struct raid_dev *rd;
@ -1447,7 +1447,7 @@ static int rs_set_dev_and_array_sectors(struct raid_set *rs, bool use_mddev)
if (rs->raid10_copies < 2 ||
delta_disks < 0) {
rs->ti->error = "Bogus raid10 data copies or delta disks";
return EINVAL;
return -EINVAL;
}
dev_sectors *= rs->raid10_copies;
@ -1474,7 +1474,7 @@ static int rs_set_dev_and_array_sectors(struct raid_set *rs, bool use_mddev)
return 0;
bad:
rs->ti->error = "Target length not divisible by number of data devices";
return EINVAL;
return -EINVAL;
}
/* Setup recovery on @rs */
@ -2511,7 +2511,7 @@ static int rs_setup_takeover(struct raid_set *rs)
/* raid1 -> raid10_near layout */
mddev->layout = raid10_format_to_md_layout(rs, ALGORITHM_RAID10_NEAR,
rs->raid_disks);
else
else
return -EINVAL;
}
@ -2758,12 +2758,12 @@ static void configure_discard_support(struct raid_set *rs)
* enforce recreation based on the passed in table parameters.
*
*/
static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv)
static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
{
int r;
bool resize;
struct raid_type *rt;
unsigned num_raid_params, num_raid_devs;
unsigned int num_raid_params, num_raid_devs;
sector_t calculated_dev_sectors;
struct raid_set *rs = NULL;
const char *arg;
@ -3299,7 +3299,7 @@ static void raid_status(struct dm_target *ti, status_type_t type,
}
}
static int raid_message(struct dm_target *ti, unsigned argc, char **argv)
static int raid_message(struct dm_target *ti, unsigned int argc, char **argv)
{
struct raid_set *rs = ti->private;
struct mddev *mddev = &rs->md;
@ -3351,7 +3351,7 @@ static int raid_iterate_devices(struct dm_target *ti,
iterate_devices_callout_fn fn, void *data)
{
struct raid_set *rs = ti->private;
unsigned i;
unsigned int i;
int r = 0;
for (i = 0; !r && i < rs->md.raid_disks; i++)
@ -3368,7 +3368,7 @@ static int raid_iterate_devices(struct dm_target *ti,
static void raid_io_hints(struct dm_target *ti, struct queue_limits *limits)
{
struct raid_set *rs = ti->private;
unsigned chunk_size = rs->md.chunk_sectors << 9;
unsigned int chunk_size = rs->md.chunk_sectors << 9;
struct r5conf *conf = rs->md.private;
blk_limits_io_min(limits, chunk_size);