linux-kernel - [PATCH 08/16] nfs: don't use nd->intent.open.flags

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Message-Id: <1332966285-30358-9-git-send-email-miklos@szeredi.hu>
Date:	Wed, 28 Mar 2012 22:24:37 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	viro@...IV.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	hch@...radead.org, Trond.Myklebust@...app.com, sfrench@...ba.org,
	sage@...dream.net, ericvh@...il.com, mszeredi@...e.cz
Subject: [PATCH 08/16] nfs: don't use nd->intent.open.flags

From: Miklos Szeredi <mszeredi@...e.cz>

Instead check LOOKUP_EXCL in nd->flags, which is basically what the open intent
flags were used for.

Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
 fs/nfs/dir.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 8828b0d..35fa125 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1508,7 +1508,7 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
 	struct dentry *parent = NULL;
 	struct inode *inode;
 	struct inode *dir;
-	int openflags, ret = 0;
+	int ret = 0;
 
 	if (nd->flags & LOOKUP_RCU)
 		return -ECHILD;
@@ -1532,9 +1532,8 @@ static int nfs4_lookup_revalidate(struct dentry *dentry, struct nameidata *nd)
 	/* NFS only supports OPEN on regular files */
 	if (!S_ISREG(inode->i_mode))
 		goto no_open_dput;
-	openflags = nd->intent.open.flags;
 	/* We cannot do exclusive creation on a positive dentry */
-	if ((openflags & (O_CREAT|O_EXCL)) == (O_CREAT|O_EXCL))
+	if (nd && nd->flags & LOOKUP_EXCL)
 		goto no_open_dput;
 
 	/* Let f_op->open() actually open (and revalidate) the file */
@@ -1613,8 +1612,8 @@ static int nfs_create(struct inode *dir, struct dentry *dentry,
 	attr.ia_mode = mode;
 	attr.ia_valid = ATTR_MODE;
 
-	if (nd)
-		open_flags = nd->intent.open.flags;
+	if (nd && !(nd->flags & LOOKUP_EXCL))
+		open_flags = O_CREAT;
 
 	error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags);
 	if (error != 0)
-- 
1.7.7

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