From: Pavel Charvat <pavel.charvat@netcentrum.cz>
Date: Mon, 29 Oct 2007 12:13:10 +0000 (+0100)
Subject: Allow direct I/O parametrized fastbufs only with CONFIG_UCW_THREADS
X-Git-Tag: holmes-import~506^2~3
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=0cab8a383f41f534519c7589101d5bcdac4416be;p=libucw.git

Allow direct I/O parametrized fastbufs only with CONFIG_UCW_THREADS
enabled, otherwise die with an error.
---

diff --git a/lib/fb-param.c b/lib/fb-param.c
index 39584769..854ba78a 100644
--- a/lib/fb-param.c
+++ b/lib/fb-param.c
@@ -27,7 +27,7 @@ fbpar_cf_commit(struct fb_params *p UNUSED)
 {
 #ifndef CONFIG_UCW_THREADS
   if (p->type == FB_DIRECT)
-    p->type = FB_STD;
+    return "Direct I/O is supported only with CONFIG_UCW_THREADS";
 #endif
   return NULL;
 }