From: Cyrill Gorcunov <gorcunov@openvz.org>
To: Nathan Lynch <ntl@pobox.com>, Oren Laadan <orenl@cs.columbia.edu>,
Daniel Lezcano <dlezcano@fr.ibm.com>,
Serge Hallyn <serue@us.ibm.com>, Tejun Heo <tj@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Glauber Costa <glommer@parallels.com>,
containers@lists.osdl.org, linux-kernel@vger.kernel.org,
Pavel Emelyanov <xemul@parallels.com>,
Serge Hallyn <serge.hallyn@canonical.com>,
Cyrill Gorcunov <gorcunov@openvz.org>
Subject: [patch 4/4] vfs: Add ->statfs callback for pipefs
Date: Mon, 8 Aug 2011 01:22:22 +0400 [thread overview]
Message-ID: <20110807212221.GH2080@sun> (raw)
From: Pavel Emelyanov <xemul@parallels.com>
This is done to make it possible to distinguish pipes
from fifos when opening one via /proc/<pid>/fd/ link.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
---
fs/pipe.c | 1 +
1 file changed, 1 insertion(+)
Index: linux-2.6.git/fs/pipe.c
===================================================================
--- linux-2.6.git.orig/fs/pipe.c
+++ linux-2.6.git/fs/pipe.c
@@ -1254,6 +1254,7 @@ out:
static const struct super_operations pipefs_ops = {
.destroy_inode = free_inode_nonrcu,
+ .statfs = simple_statfs,
};
/*
reply other threads:[~2011-08-07 21:22 UTC|newest]
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