From: Rusty Russell <rusty@rustcorp.com.au>
Date: Tue, 1 Mar 2011 12:49:18 +0000 (+1030)
Subject: tdb2: remove zero-length write optimization.
X-Git-Url: https://git.ozlabs.org/?p=ccan;a=commitdiff_plain;h=78bb1258f9e67f3052488c6168c40f94a3258cca

tdb2: remove zero-length write optimization.

If benchmarking indicates a problem later, we can restore it.
---

diff --git a/ccan/tdb2/io.c b/ccan/tdb2/io.c
index a9016c4f..866ff085 100644
--- a/ccan/tdb2/io.c
+++ b/ccan/tdb2/io.c
@@ -236,11 +236,6 @@ static enum TDB_ERROR tdb_write(struct tdb_context *tdb, tdb_off_t off,
 				  "Write to read-only database");
 	}
 
-	/* FIXME: Bogus optimization? */
-	if (len == 0) {
-		return TDB_SUCCESS;
-	}
-
 	ecode = tdb->methods->oob(tdb, off + len, 0);
 	if (ecode != TDB_SUCCESS) {
 		return ecode;