[PATCH 07/10] super-intel: refactor the code for enum

[Mateusz Kusiak <mateusz.kusiak@xxxxxxxxx>]

It prepares super-intel for change context->update to enum.

Signed-off-by: Mateusz Kusiak <mateusz.kusiak@xxxxxxxxx>
---
 super-intel.c | 38 +++++++++++++++++++++++++-------------
 1 file changed, 25 insertions(+), 13 deletions(-)

diff --git a/super-intel.c b/super-intel.c
index 672f946e..3de3873e 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -3930,7 +3930,8 @@ static int update_super_imsm(struct supertype *st, struct mdinfo *info,
 
 	mpb = super->anchor;
 
-	if (strcmp(update, "uuid") == 0) {
+	switch (map_name(update_options, update)) {
+	case UOPT_UUID:
 		/* We take this to mean that the family_num should be updated.
 		 * However that is much smaller than the uuid so we cannot really
 		 * allow an explicit uuid to be given.  And it is hard to reliably
@@ -3954,10 +3955,14 @@ static int update_super_imsm(struct supertype *st, struct mdinfo *info,
 		}
 		if (rv == 0)
 			mpb->orig_family_num = info->uuid[0];
-	} else if (strcmp(update, "assemble") == 0)
+		break;
+	case UOPT_SPEC_ASSEMBLE:
 		rv = 0;
-	else
+		break;
+	default:
 		rv = -1;
+		break;
+	}
 
 	/* successful update? recompute checksum */
 	if (rv == 0)
@@ -7888,18 +7893,25 @@ static int kill_subarray_imsm(struct supertype *st, char *subarray_id)
 
 	return 0;
 }
-
-static int get_rwh_policy_from_update(char *update)
+/**
+ * get_rwh_policy_from_update() - Get the rwh policy for update option.
+ * @update: Update option.
+ */
+static int get_rwh_policy_from_update(enum update_opt update)
 {
-	if (strcmp(update, "ppl") == 0)
+	switch (update) {
+	case UOPT_PPL:
 		return RWH_MULTIPLE_DISTRIBUTED;
-	else if (strcmp(update, "no-ppl") == 0)
+	case UOPT_NO_PPL:
 		return RWH_MULTIPLE_OFF;
-	else if (strcmp(update, "bitmap") == 0)
+	case UOPT_BITMAP:
 		return RWH_BITMAP;
-	else if (strcmp(update, "no-bitmap") == 0)
+	case UOPT_NO_BITMAP:
 		return RWH_OFF;
-	return -1;
+	default:
+		break;
+	}
+	return UOPT_UNDEFINED;
 }
 
 static int update_subarray_imsm(struct supertype *st, char *subarray,
@@ -7909,7 +7921,7 @@ static int update_subarray_imsm(struct supertype *st, char *subarray,
 	struct intel_super *super = st->sb;
 	struct imsm_super *mpb = super->anchor;
 
-	if (strcmp(update, "name") == 0) {
+	if (map_name(update_options, update) == UOPT_NAME) {
 		char *name = ident->name;
 		char *ep;
 		int vol;
@@ -7943,7 +7955,7 @@ static int update_subarray_imsm(struct supertype *st, char *subarray,
 			}
 			super->updates_pending++;
 		}
-	} else if (get_rwh_policy_from_update(update) != -1) {
+	} else if (get_rwh_policy_from_update(map_name(update_options, update)) != UOPT_UNDEFINED) {
 		int new_policy;
 		char *ep;
 		int vol = strtoul(subarray, &ep, 10);
@@ -7951,7 +7963,7 @@ static int update_subarray_imsm(struct supertype *st, char *subarray,
 		if (*ep != '\0' || vol >= super->anchor->num_raid_devs)
 			return 2;
 
-		new_policy = get_rwh_policy_from_update(update);
+		new_policy = get_rwh_policy_from_update(map_name(update_options, update));
 
 		if (st->update_tail) {
 			struct imsm_update_rwh_policy *u = xmalloc(sizeof(*u));
-- 
2.26.2