linux-kernel - [PATCH 3/4] proc: Show open file ID in /proc/pid/fdinfo/*

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Message-ID: <4EC24EEC.4000708@parallels.com>
Date:	Tue, 15 Nov 2011 15:37:16 +0400
From:	Pavel Emelyanov <xemul@...allels.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
CC:	Cyrill Gorcunov <gorcunov@...nvz.org>,
	Glauber Costa <glommer@...allels.com>,
	Andi Kleen <andi@...stfloor.org>, Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Matt Helsley <matthltc@...ibm.com>
Subject: [PATCH 3/4] proc: Show open file ID in /proc/pid/fdinfo/*

Signed-off-by: Pavel Emelyanov <xemul@...allels.com>

---
 fs/proc/base.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5eb0206..7a9e36b 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -83,6 +83,7 @@
 #include <linux/pid_namespace.h>
 #include <linux/fs_struct.h>
 #include <linux/slab.h>
+#include <linux/gen_object_ids.h>
 #ifdef CONFIG_HARDWALL
 #include <asm/hardwall.h>
 #endif
@@ -1934,9 +1935,10 @@ static int proc_fd_info(struct inode *inode, struct path *path, char *info)
 			if (info)
 				snprintf(info, PROC_FDINFO_MAX,
 					 "pos:\t%lli\n"
-					 "flags:\t0%o\n",
+					 "flags:\t0%o\n"
+					 "id:\t%lu\n",
 					 (long long) file->f_pos,
-					 f_flags);
+					 f_flags, gen_object_id(file));
 			spin_unlock(&files->file_lock);
 			put_files_struct(files);
 			return 0;
-- 
1.5.5.6
--
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