[infiniband-diags] [1/3] make libibnetdisc default behavior to overwrite a cache

* [infiniband-diags] [1/3] make libibnetdisc default behavior to overwrite a cache
@ 2010-04-19 18:43 Al Chu
       [not found] ` <1271702587.17987.212.camel-X2zTWyBD0EhliZ7u+bvwcg@public.gmane.org>
  0 siblings, 1 reply; 2+ messages in thread
From: Al Chu @ 2010-04-19 18:43 UTC (permalink / raw)
  To: Sasha Khapyorsky; +Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA

[-- Attachment #1: Type: text/plain, Size: 287 bytes --]

Hey Sasha,

As discussed in a previous thread, this patch makes the default caching
behavior in libibnetdisc to overwrite a previous cache.

Al

-- 
Albert Chu
chu11-i2BcT+NCU+M@public.gmane.org
Computer Scientist
High Performance Systems Division
Lawrence Livermore National Laboratory

[-- Attachment #2: 0001-make-libibnetdisc-default-behavior-to-overwrite-a-ca.patch --]
[-- Type: message/rfc822, Size: 1143 bytes --]

From: Albert Chu <chu11-i2BcT+NCU+M@public.gmane.org>
Subject: [PATCH] make libibnetdisc default behavior to overwrite a cache
Date: Mon, 19 Apr 2010 10:52:14 -0700
Message-ID: <1271702059.17987.211.camel-X2zTWyBD0EhliZ7u+bvwcg@public.gmane.org>


Signed-off-by: Albert Chu <chu11-i2BcT+NCU+M@public.gmane.org>
---
 .../libibnetdisc/src/ibnetdisc_cache.c             |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/infiniband-diags/libibnetdisc/src/ibnetdisc_cache.c b/infiniband-diags/libibnetdisc/src/ibnetdisc_cache.c
index 5acb8f6..e05ce99 100644
--- a/infiniband-diags/libibnetdisc/src/ibnetdisc_cache.c
+++ b/infiniband-diags/libibnetdisc/src/ibnetdisc_cache.c
@@ -889,8 +889,11 @@ int ibnd_cache_fabric(ibnd_fabric_t * fabric, const char *file,
 	}
 
 	if (!stat(file, &statbuf)) {
-		IBND_DEBUG("file '%s' already exists\n", file);
-		return -1;
+		if (unlink(file) < 0) {
+			IBND_DEBUG("error removing '%s': %s\n",
+				   file, strerror(errno));
+			return -1;
+		}
 	}
 
 	if ((fd = open(file, O_CREAT | O_EXCL | O_WRONLY, 0644)) < 0) {
-- 
1.5.4.5


^ permalink raw reply related	[flat|nested] 2+ messages in thread