From: Timo Sirainen <tss@iki.fi>
Date: Fri, 19 Feb 2010 05:14:41 +0000 (+0200)
Subject: filter istreams: Let default seek implementation optimize away unnecessary seeks.
X-Git-Tag: 2.0.beta3~34
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f40b08f8dfa7594ae0ac12f2aed4fad6ce910146;p=thirdparty%2Fdovecot%2Fcore.git

filter istreams: Let default seek implementation optimize away unnecessary seeks.

--HG--
branch : HEAD
---

diff --git a/src/lib-storage/index/istream-mail-stats.c b/src/lib-storage/index/istream-mail-stats.c
index 0a2f7d3b56..42b58369dc 100644
--- a/src/lib-storage/index/istream-mail-stats.c
+++ b/src/lib-storage/index/istream-mail-stats.c
@@ -19,11 +19,8 @@ i_stream_mail_stats_read_mail_stats(struct istream_private *stream)
 		(struct mail_stats_istream *)stream;
 	ssize_t ret;
 
-	if (stream->parent->v_offset !=
-	    stream->parent_start_offset + stream->istream.v_offset) {
-		i_stream_seek(stream->parent, stream->parent_start_offset +
-			      stream->istream.v_offset);
-	}
+	i_stream_seek(stream->parent, stream->parent_start_offset +
+		      stream->istream.v_offset);
 
 	ret = i_stream_read_copy_from_parent(&stream->istream);
 	if (ret > 0) {
diff --git a/src/lib/istream-limit.c b/src/lib/istream-limit.c
index e29d5b430f..5c19ec6f11 100644
--- a/src/lib/istream-limit.c
+++ b/src/lib/istream-limit.c
@@ -37,12 +37,8 @@ static ssize_t i_stream_limit_read(struct istream_private *stream)
 		return -1;
 	}
 
-	if (stream->parent->v_offset !=
-	    lstream->istream.parent_start_offset + stream->istream.v_offset) {
-		i_stream_seek(stream->parent,
-			      lstream->istream.parent_start_offset +
-			      stream->istream.v_offset);
-	}
+	i_stream_seek(stream->parent, lstream->istream.parent_start_offset +
+		      stream->istream.v_offset);
 
 	stream->pos -= stream->skip;
 	stream->skip = 0;