From b5e3d1901f95cf14c40864a91cbfd9abd77ce8de Mon Sep 17 00:00:00 2001
From: Neil Brown <neilb@suse.de>
Date: Thu, 14 Dec 2006 17:30:53 +1100
Subject: [PATCH] Remove some unused interfaces to the metadata handlers.

This stuff has never been used (at least as far as git history can
see).  I wonder why it was there...
---
 mdadm.h  |  1 -
 super0.c | 17 -----------------
 super1.c | 20 --------------------
 3 files changed, 38 deletions(-)

diff --git a/mdadm.h b/mdadm.h
index 20537ede..f8abf099 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -315,7 +315,6 @@ extern struct superswitch {
 	int (*update_super)(struct mdinfo *info, void *sbv, char *update,
 			    char *devname, int verbose,
 			    int uuid_set, char *homehost);
-	__u64 (*event_super)(void *sbv);
 	int (*init_super)(struct supertype *st, void **sbp, mdu_array_info_t *info, unsigned long long size, char *name, char *homehost);
 	void (*add_to_super)(void *sbv, mdu_disk_info_t *dinfo);
 	int (*store_super)(struct supertype *st, int fd, void *sbv);
diff --git a/super0.c b/super0.c
index 2060e93d..600aae02 100644
--- a/super0.c
+++ b/super0.c
@@ -442,16 +442,6 @@ static int update_super0(struct mdinfo *info, void *sbv, char *update,
 			rv = 1;
 		}
 	}
-	if (strcmp(update, "newdev") == 0) {
-		int d = info->disk.number;
-		memset(&sb->disks[d], 0, sizeof(sb->disks[d]));
-		sb->disks[d].number = d;
-		sb->disks[d].major = info->disk.major;
-		sb->disks[d].minor = info->disk.minor;
-		sb->disks[d].raid_disk = info->disk.raid_disk;
-		sb->disks[d].state = info->disk.state;
-		sb->this_disk = sb->disks[d];
-	}
 	if (strcmp(update, "grow") == 0) {
 		sb->raid_disks = info->array.raid_disks;
 		sb->nr_disks = info->array.nr_disks;
@@ -503,12 +493,6 @@ static int update_super0(struct mdinfo *info, void *sbv, char *update,
 	return rv;
 }
 
-static __u64 event_super0(void *sbv)
-{
-	mdp_super_t *sb = sbv;
-	return md_event(sb);
-}
-
 /*
  * For verion-0 superblock, the homehost is 'stored' in the
  * uuid.  8 bytes for a hash of the host leaving 8 bytes
@@ -977,7 +961,6 @@ struct superswitch super0 = {
 	.uuid_from_super = uuid_from_super0,
 	.getinfo_super = getinfo_super0,
 	.update_super = update_super0,
-	.event_super = event_super0,
 	.init_super = init_super0,
 	.add_to_super = add_to_super0,
 	.store_super = store_super0,
diff --git a/super1.c b/super1.c
index bf26cfa4..c8a57025 100644
--- a/super1.c
+++ b/super1.c
@@ -517,18 +517,6 @@ static int update_super1(struct mdinfo *info, void *sbv, char *update,
 			rv = 1;
 		}
 	}
-#if 0
-	if (strcmp(update, "newdev") == 0) {
-		int d = info->disk.number;
-		memset(&sb->disks[d], 0, sizeof(sb->disks[d]));
-		sb->disks[d].number = d;
-		sb->disks[d].major = info->disk.major;
-		sb->disks[d].minor = info->disk.minor;
-		sb->disks[d].raid_disk = info->disk.raid_disk;
-		sb->disks[d].state = info->disk.state;
-		sb->this_disk = sb->disks[d];
-	}
-#endif
 	if (strcmp(update, "grow") == 0) {
 		sb->raid_disks = __cpu_to_le32(info->array.raid_disks);
 		/* FIXME */
@@ -576,13 +564,6 @@ static int update_super1(struct mdinfo *info, void *sbv, char *update,
 	return rv;
 }
 
-
-static __u64 event_super1(void *sbv)
-{
-	struct mdp_superblock_1 *sb = sbv;
-	return __le64_to_cpu(sb->events);
-}
-
 static int init_super1(struct supertype *st, void **sbp, mdu_array_info_t *info,
 		       unsigned long long size, char *name, char *homehost)
 {
@@ -1249,7 +1230,6 @@ struct superswitch super1 = {
 	.uuid_from_super = uuid_from_super1,
 	.getinfo_super = getinfo_super1,
 	.update_super = update_super1,
-	.event_super = event_super1,
 	.init_super = init_super1,
 	.add_to_super = add_to_super1,
 	.store_super = store_super1,
-- 
2.39.2