From: Timo Sirainen <tss@iki.fi>
Date: Fri, 21 Mar 2008 06:27:36 +0000 (+0200)
Subject: Small optimization: Don't try to pread() log file if we already know we've
X-Git-Tag: 1.1.rc4~14
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c026384095b555cc86d032b043d107cc371aacec;p=thirdparty%2Fdovecot%2Fcore.git

Small optimization: Don't try to pread() log file if we already know we've
read everything.

--HG--
branch : HEAD
---

diff --git a/src/lib-index/mail-transaction-log-file.c b/src/lib-index/mail-transaction-log-file.c
index 23d40b06bc..eb88fcb7c6 100644
--- a/src/lib-index/mail-transaction-log-file.c
+++ b/src/lib-index/mail-transaction-log-file.c
@@ -1065,8 +1065,9 @@ mail_transaction_log_file_map_mmap(struct mail_transaction_log_file *file,
 		return 0;
 	}
 
-	if ((uoff_t)st.st_size == file->mmap_size) {
-		/* we already have the whole file mmaped */
+	if (file->buffer != NULL &&
+	    (uoff_t)st.st_size == file->buffer_offset + file->buffer->used) {
+		/* we already have the whole file mapped */
 		if ((ret = mail_transaction_log_file_sync(file)) < 0)
 			return 0;
 		if (ret > 0)