drbd: Define the size of res_opts->cpu_mask in a single place

Signed-off-by: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>

3 files changed, 4 insertions, 3 deletions

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index e07446e19c74..59a58e896cf5 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2503,8 +2503,7 @@ int set_resource_options(struct drbd_resource *resource, struct res_opts *res_op
 
         /* silently ignore cpu mask on UP kernel */
         if (nr_cpu_ids > 1 && res_opts->cpu_mask[0] != 0) {
-                /* FIXME: Get rid of constant 32 here */
-                err = bitmap_parse(res_opts->cpu_mask, 32,
+                err = bitmap_parse(res_opts->cpu_mask, DRBD_CPU_MASK_SIZE,
                                    cpumask_bits(new_cpu_mask), nr_cpu_ids);
                 if (err) {
                         drbd_warn(resource, "bitmap_parse() failed with %d\n", err);
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index de7d74ab3de6..6f60136da873 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -382,4 +382,6 @@ enum drbd_timeout_flag {
 #define DRBD_MD_INDEX_FLEX_EXT -2
 #define DRBD_MD_INDEX_FLEX_INT -3
 
+#define DRBD_CPU_MASK_SIZE 32
+
 #endif
diff --git a/include/linux/drbd_genl.h b/include/linux/drbd_genl.h
index b14a2e899fea..4193f5f2636c 100644
--- a/include/linux/drbd_genl.h
+++ b/include/linux/drbd_genl.h
@@ -135,7 +135,7 @@ GENL_struct(DRBD_NLA_DISK_CONF, 3, disk_conf,
 )
 
 GENL_struct(DRBD_NLA_RESOURCE_OPTS, 4, res_opts,
-        __str_field_def(1,      DRBD_GENLA_F_MANDATORY, cpu_mask,       32)
+        __str_field_def(1,      DRBD_GENLA_F_MANDATORY, cpu_mask,       DRBD_CPU_MASK_SIZE)
         __u32_field_def(2,      DRBD_GENLA_F_MANDATORY, on_no_data, DRBD_ON_NO_DATA_DEF)
 )