diff options
Diffstat (limited to 'drivers/md/dm-ps-io-affinity.c')
| -rw-r--r-- | drivers/md/dm-ps-io-affinity.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/md/dm-ps-io-affinity.c b/drivers/md/dm-ps-io-affinity.c index cb8e83bfb1a7..80415a045c68 100644 --- a/drivers/md/dm-ps-io-affinity.c +++ b/drivers/md/dm-ps-io-affinity.c @@ -108,7 +108,7 @@ free_pi: return ret; } -static int ioa_create(struct path_selector *ps, unsigned argc, char **argv) +static int ioa_create(struct path_selector *ps, unsigned int argc, char **argv) { struct selector *s; @@ -116,7 +116,7 @@ static int ioa_create(struct path_selector *ps, unsigned argc, char **argv) if (!s) return -ENOMEM; - s->path_map = kzalloc(nr_cpu_ids * sizeof(struct path_info *), + s->path_map = kcalloc(nr_cpu_ids, sizeof(struct path_info *), GFP_KERNEL); if (!s->path_map) goto free_selector; @@ -138,7 +138,7 @@ free_selector: static void ioa_destroy(struct path_selector *ps) { struct selector *s = ps->context; - unsigned cpu; + unsigned int cpu; for_each_cpu(cpu, s->path_mask) ioa_free_path(s, cpu); @@ -162,7 +162,7 @@ static int ioa_status(struct path_selector *ps, struct dm_path *path, return sz; } - switch(type) { + switch (type) { case STATUSTYPE_INFO: DMEMIT("%d ", atomic_read(&s->map_misses)); break; @@ -170,6 +170,9 @@ static int ioa_status(struct path_selector *ps, struct dm_path *path, pi = path->pscontext; DMEMIT("%*pb ", cpumask_pr_args(pi->cpumask)); break; + case STATUSTYPE_IMA: + *result = '\0'; + break; } return sz; @@ -257,10 +260,7 @@ static int __init dm_ioa_init(void) static void __exit dm_ioa_exit(void) { - int ret = dm_unregister_path_selector(&ioa_ps); - - if (ret < 0) - DMERR("unregister failed %d", ret); + dm_unregister_path_selector(&ioa_ps); } module_init(dm_ioa_init); |