git » libjio » commit 3bcefbe

diff --git a/libjio/trans.c b/libjio/trans.c
index 6fb6885..95ecfad 100644
--- a/libjio/trans.c
+++ b/libjio/trans.c
@@ -204,9 +204,11 @@ int jtrans_add(struct jtrans *ts, const void *buf, size_t count, off_t offset)
 	jop->pdata = NULL;
 	jop->locked = 0;
 
-	/* it's highly likely that jtrans_commit() will want to read the
-	 * current data, so we tell the kernel about that */
-	posix_fadvise(ts->fs->fd, offset, count, POSIX_FADV_WILLNEED);
+	if (!(ts->flags & J_NOROLLBACK)) {
+		/* jtrans_commit() will want to read the current data, so we
+		 * tell the kernel about that */
+		posix_fadvise(ts->fs->fd, offset, count, POSIX_FADV_WILLNEED);
+	}
 
 	return 1;
 }