linux-kernel - [PATCH 29/39] vfs: simplify dentry

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Message-Id: <20180529144339.16538-30-mszeredi@redhat.com>
Date:   Tue, 29 May 2018 16:43:29 +0200
From:   Miklos Szeredi <mszeredi@...hat.com>
To:     linux-unionfs@...r.kernel.org
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 29/39] vfs: simplify dentry_open()

dentry_open() can now just call path_open().

Signed-off-by: Miklos Szeredi <mszeredi@...hat.com>
---
 fs/open.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/fs/open.c b/fs/open.c
index 244cd2ecfefd..1d4bc541c619 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -935,25 +935,12 @@ EXPORT_SYMBOL(path_open);
 struct file *dentry_open(const struct path *path, int flags,
 			 const struct cred *cred)
 {
-	int error;
-	struct file *f;
-
 	validate_creds(cred);
 
 	/* We must always pass in a valid mount pointer. */
 	BUG_ON(!path->mnt);
 
-	f = get_empty_filp();
-	if (IS_ERR(f))
-		return f;
-
-	f->f_flags = flags;
-	error = vfs_open(path, f, cred);
-	if (error) {
-		put_filp(f);
-		return ERR_PTR(error);
-	}
-	return f;
+	return path_open(path, flags, d_backing_inode(path->dentry), cred, true);
 }
 EXPORT_SYMBOL(dentry_open);
 
-- 
2.14.3