linux-kernel - [PATCH 03/27] kill do_filp

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Date:	Thu, 01 Nov 2007 16:08:29 -0700
From:	Dave Hansen <haveblue@...ibm.com>
To:	akpm@...l.org
Cc:	linux-kernel@...r.kernel.org, miklos@...redi.hu, hch@...radead.org,
	Dave Hansen <haveblue@...ibm.com>
Subject: [PATCH 03/27] kill do_filp_open()


This kills off the almost empty do_filp_open().  The indenting
change in do_sys_open() is because we would have gone over our
80 characters otherwise.

Signed-off-by: Dave Hansen <haveblue@...ibm.com>
---

 linux-2.6.git-dave/fs/open.c |   39 ++++++++++++++++++---------------------
 1 file changed, 18 insertions(+), 21 deletions(-)

diff -puN fs/open.c~kill-do_filp_open fs/open.c
--- linux-2.6.git/fs/open.c~kill-do_filp_open	2007-11-01 14:46:06.000000000 -0700
+++ linux-2.6.git-dave/fs/open.c	2007-11-01 14:46:06.000000000 -0700
@@ -800,17 +800,10 @@ cleanup_file:
 	return ERR_PTR(error);
 }
 
-static struct file *do_filp_open(int dfd, const char *filename, int flags,
-				 int mode)
-{
-	struct nameidata nd;
-
-	return open_namei(dfd, filename, flags, mode, &nd);
-}
-
 struct file *filp_open(const char *filename, int flags, int mode)
 {
-	return do_filp_open(AT_FDCWD, filename, flags, mode);
+	struct nameidata nd;
+	return open_namei(AT_FDCWD, filename, flags, mode, &nd);
 }
 EXPORT_SYMBOL(filp_open);
 
@@ -1009,20 +1002,24 @@ long do_sys_open(int dfd, const char __u
 	char *tmp = getname(filename);
 	int fd = PTR_ERR(tmp);
 
-	if (!IS_ERR(tmp)) {
-		fd = get_unused_fd_flags(flags);
-		if (fd >= 0) {
-			struct file *f = do_filp_open(dfd, tmp, flags, mode);
-			if (IS_ERR(f)) {
-				put_unused_fd(fd);
-				fd = PTR_ERR(f);
-			} else {
-				fsnotify_open(f->f_path.dentry);
-				fd_install(fd, f);
-			}
+	if (IS_ERR(tmp))
+		goto out;
+
+	fd = get_unused_fd_flags(flags);
+	if (fd >= 0) {
+		struct nameidata nd;
+		struct file *f = open_namei(dfd, tmp, flags, mode, &nd);
+
+		if (IS_ERR(f)) {
+			put_unused_fd(fd);
+			fd = PTR_ERR(f);
+		} else {
+			fsnotify_open(f->f_path.dentry);
+			fd_install(fd, f);
 		}
-		putname(tmp);
 	}
+	putname(tmp);
+out:
 	return fd;
 }
 
_
-
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