linux-kernel - [PATCH 10/29] mm: use non-racy method for /proc/swaps creation

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Message-Id: <1207653576-12640-10-git-send-email-den@openvz.org>
Date:	Tue,  8 Apr 2008 15:19:17 +0400
From:	"Denis V. Lunev" <den@...nvz.org>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, "Denis V. Lunev" <den@...nvz.org>
Subject: [PATCH 10/29] mm: use non-racy method for /proc/swaps creation

Use proc_create() to make sure that ->proc_fops be setup before gluing
PDE to main tree.

Signed-off-by: Denis V. Lunev <den@...nvz.org>
---
 mm/swapfile.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 67051be..bd1bb59 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1426,11 +1426,7 @@ static const struct file_operations proc_swaps_operations = {

 static int __init procswaps_init(void)
 {
-	struct proc_dir_entry *entry;
-
-	entry = create_proc_entry("swaps", 0, NULL);
-	if (entry)
-		entry->proc_fops = &proc_swaps_operations;
+	proc_create("swaps", 0, NULL, &proc_swaps_operations);
 	return 0;
 }
 __initcall(procswaps_init);
-- 
1.5.3.rc5

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