# HG changeset patch
# User Timo Sirainen <timo.sirainen@dovecot.fi>
# Date 1501911530 -32400
# Node ID e0f6374d1209151c821cdb7e90ce2e8969b4f4a2
# Parent  8da4a17e2b26cd65aef8203f4f6fbb879ad3bf2a
lib-index: Remove tracking of mail_index_modseq_sync.highest_modseq

It's no longer necessary after the previous changes.

diff -r 8da4a17e2b26 -r e0f6374d1209 src/lib-index/mail-index-modseq.c
--- a/src/lib-index/mail-index-modseq.c	Sat Aug 05 14:33:12 2017 +0900
+++ b/src/lib-index/mail-index-modseq.c	Sat Aug 05 14:38:50 2017 +0900
@@ -34,8 +34,6 @@
 	struct mail_index_view *view;
 	struct mail_transaction_log_view *log_view;
 	struct mail_index_map_modseq *mmap;
-
-	uint64_t highest_modseq;
 };
 
 void mail_index_modseq_init(struct mail_index *index)
@@ -299,9 +297,6 @@
 					&ext_map_idx))
 		return;
 
-	if (modseq > ctx->highest_modseq)
-		ctx->highest_modseq = modseq;
-
 	ext = array_idx(&ctx->view->map->extensions, ext_map_idx);
 	for (; seq1 <= seq2; seq1++) {
 		rec = MAIL_INDEX_REC_AT_SEQ(ctx->view->map, seq1);
@@ -335,7 +330,6 @@
 	buffer_t uid_buf;
 	unsigned int i, count;
 	uint32_t seq1, seq2;
-	uint64_t modseq;
 
 	switch (thdr->type & MAIL_TRANSACTION_TYPE_MASK) {
 	case MAIL_TRANSACTION_APPEND: {
@@ -381,11 +375,6 @@
 		return;
 	}
 
-	/* update highestmodseq regardless of whether any mails were updated */
-	modseq = mail_transaction_log_view_get_prev_modseq(ctx->log_view);
-	if (modseq > ctx->highest_modseq)
-		ctx->highest_modseq = modseq;
-
 	/* update modseqs */
 	count = array_is_created(&uids) ? array_count(&uids) : 0;
 	for (i = 0; i < count; i++) {
@@ -418,7 +407,6 @@
 
 	/* get the current highest_modseq. don't change any modseq below it. */
 	hdr = CONST_PTR_OFFSET(map->hdr_base, ext->hdr_offset);
-	ctx->highest_modseq = hdr->highest_modseq;
 
 	/* Scan logs for updates between ext_hdr.log_* .. view position.
 	   There are two reasons why there could be any:
@@ -563,7 +551,6 @@
 			       uint32_t seq1, uint32_t seq2)
 {
 	struct metadata_modseqs *metadata;
-	uint64_t modseq;
 
 	if (ctx->mmap == NULL)
 		return;
@@ -573,10 +560,6 @@
 		if (array_is_created(&metadata->modseqs))
 			array_delete(&metadata->modseqs, seq1, seq2-seq1);
 	}
-
-	modseq = mail_transaction_log_view_get_prev_modseq(ctx->log_view);
-	if (ctx->highest_modseq < modseq)
-		ctx->highest_modseq = modseq;
 }
 
 static void
@@ -651,13 +634,6 @@
 		modseqs_idx_update(ctx, i, seq1, seq2);
 }
 
-void mail_index_modseq_update_highest(struct mail_index_modseq_sync *ctx,
-				      uint64_t highest_modseq)
-{
-	if (ctx->highest_modseq < highest_modseq)
-		ctx->highest_modseq = highest_modseq;
-}
-
 struct mail_index_map_modseq *
 mail_index_map_modseq_clone(const struct mail_index_map_modseq *mmap)
 {
diff -r 8da4a17e2b26 -r e0f6374d1209 src/lib-index/mail-index-modseq.h
--- a/src/lib-index/mail-index-modseq.h	Sat Aug 05 14:33:12 2017 +0900
+++ b/src/lib-index/mail-index-modseq.h	Sat Aug 05 14:38:50 2017 +0900
@@ -57,8 +57,6 @@
 				      uint32_t seq1, uint32_t seq2);
 void mail_index_modseq_reset_keywords(struct mail_index_modseq_sync *ctx,
 				      uint32_t seq1, uint32_t seq2);
-void mail_index_modseq_update_highest(struct mail_index_modseq_sync *ctx,
-				      uint64_t highest_modseq);
 
 struct mail_index_map_modseq *
 mail_index_map_modseq_clone(const struct mail_index_map_modseq *mmap);
diff -r 8da4a17e2b26 -r e0f6374d1209 src/lib-index/mail-index-sync-update.c
--- a/src/lib-index/mail-index-sync-update.c	Sat Aug 05 14:33:12 2017 +0900
+++ b/src/lib-index/mail-index-sync-update.c	Sat Aug 05 14:38:50 2017 +0900
@@ -345,7 +345,7 @@
 	struct mail_index_view *view = ctx->view;
 	const struct mail_transaction_modseq_update *end;
 	uint32_t seq;
-	uint64_t min_modseq, highest_modseq = 0;
+	uint64_t min_modseq;
 	int ret;
 
 	end = CONST_PTR_OFFSET(u, size);
@@ -357,8 +357,6 @@
 
 		min_modseq = ((uint64_t)u->modseq_high32 << 32) |
 			u->modseq_low32;
-		if (highest_modseq < min_modseq)
-			highest_modseq = min_modseq;
 
 		ret = seq == 0 ? 1 :
 			mail_index_modseq_set(view, seq, min_modseq);
@@ -370,8 +368,6 @@
 		if (ret == 0 && sync_update_ignored_change(ctx))
 			view->index->sync_commit_result->ignored_modseq_changes++;
 	}
-
-	mail_index_modseq_update_highest(ctx->modseq_ctx, highest_modseq);
 	return 1;
 }
 
@@ -528,7 +524,6 @@
 			    const struct mail_transaction_header *hdr,
 			    const void *data)
 {
-	uint64_t modseq;
 	int ret = 0;
 
 	switch (hdr->type & MAIL_TRANSACTION_TYPE_MASK) {
@@ -804,8 +799,6 @@
 	case MAIL_TRANSACTION_BOUNDARY:
 		break;
 	case MAIL_TRANSACTION_ATTRIBUTE_UPDATE:
-		modseq = mail_transaction_log_view_get_prev_modseq(ctx->view->log_view);
-		mail_index_modseq_update_highest(ctx->modseq_ctx, modseq);
 		break;
 	default:
 		mail_index_sync_set_corrupted(ctx,