linux-kernel - [PATCH 13/16] vfs: nameidata_to_filp(): inline __dentry

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Date:	Mon, 21 May 2012 17:30:17 +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, torvalds@...ux-foundation.org, mszeredi@...e.cz
Subject: [PATCH 13/16] vfs: nameidata_to_filp(): inline __dentry_open()

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

Copy __dentry_open() into nameidata_to_filp().

Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
 fs/open.c |   20 ++++++++++++++++++--
 1 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/fs/open.c b/fs/open.c
index e1448cd..161c15f 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -818,9 +818,25 @@ struct file *nameidata_to_filp(struct nameidata *nd)
 
 	/* Has the filesystem initialised the file for us? */
 	if (filp->f_path.dentry == NULL) {
+		struct file *res;
+
 		path_get(&nd->path);
-		filp = __dentry_open(nd->path.dentry, nd->path.mnt, filp,
-				     NULL, cred);
+		res = do_dentry_open(nd->path.dentry, nd->path.mnt,
+				     filp, NULL, cred);
+		if (!IS_ERR(res)) {
+			int error;
+
+			BUG_ON(res != filp);
+
+			error = open_check_o_direct(filp);
+			if (error) {
+				fput(filp);
+				filp = ERR_PTR(error);
+			}
+		} else {
+			put_filp(filp);
+			filp = res;
+		}
 	}
 	return filp;
 }
-- 
1.7.7

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