linux-kernel - [PATCH 3/5][9PFS] Cleanup explicit check for mandatory locks

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Message-ID: <46EE328E.5050205@openvz.org>
Date:	Mon, 17 Sep 2007 11:53:50 +0400
From:	Pavel Emelyanov <xemul@...nvz.org>
To:	Andrew Morton <akpm@...l.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	devel@...nvz.org, Eric Van Hensbergen <ericvh@...il.com>,
	Ron Minnich <rminnich@...dia.gov>,
	Latchesar Ionkov <lucho@...kov.net>
Subject: [PATCH 3/5][9PFS] Cleanup explicit check for mandatory locks

The __mandatory_lock(inode) macro makes the same check, but
makes the code more readable.

Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>
Cc: Eric Van Hensbergen <ericvh@...il.com>
Cc: Ron Minnich <rminnich@...dia.gov>
Cc: Latchesar Ionkov <lucho@...kov.net>

---

 fs/9p/vfs_file.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 2a40c29..7166916 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -105,7 +105,7 @@ static int v9fs_file_lock(struct file *f
 	P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
 
 	/* No mandatory locks */
-	if ((inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID)
+	if (__mandatory_lock(inode))
 		return -ENOLCK;
 
 	if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {

-
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