From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/fs/configfs/inode.c | 51 ++++++++++-----------------------------------------
1 files changed, 10 insertions(+), 41 deletions(-)
diff --git a/kernel/fs/configfs/inode.c b/kernel/fs/configfs/inode.c
index 28ef9e5..8bd6a88 100644
--- a/kernel/fs/configfs/inode.c
+++ b/kernel/fs/configfs/inode.c
@@ -1,29 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* -*- mode: c; c-basic-offset: 8; -*-
* vim: noexpandtab sw=8 ts=8 sts=0:
*
* inode.c - basic inode and dentry operations.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
*
* Based on sysfs:
* sysfs is Copyright (C) 2001, 2002, 2003 Patrick Mochel
*
* configfs Copyright (C) 2005 Oracle. All rights reserved.
*
- * Please see Documentation/filesystems/configfs/configfs.txt for more
+ * Please see Documentation/filesystems/configfs.rst for more
* information.
*/
@@ -90,14 +76,11 @@
if (ia_valid & ATTR_GID)
sd_iattr->ia_gid = iattr->ia_gid;
if (ia_valid & ATTR_ATIME)
- sd_iattr->ia_atime = timespec64_trunc(iattr->ia_atime,
- inode->i_sb->s_time_gran);
+ sd_iattr->ia_atime = iattr->ia_atime;
if (ia_valid & ATTR_MTIME)
- sd_iattr->ia_mtime = timespec64_trunc(iattr->ia_mtime,
- inode->i_sb->s_time_gran);
+ sd_iattr->ia_mtime = iattr->ia_mtime;
if (ia_valid & ATTR_CTIME)
- sd_iattr->ia_ctime = timespec64_trunc(iattr->ia_ctime,
- inode->i_sb->s_time_gran);
+ sd_iattr->ia_ctime = iattr->ia_ctime;
if (ia_valid & ATTR_MODE) {
umode_t mode = iattr->ia_mode;
@@ -178,41 +161,27 @@
#endif /* CONFIG_LOCKDEP */
-int configfs_create(struct dentry * dentry, umode_t mode, void (*init)(struct inode *))
+struct inode *configfs_create(struct dentry *dentry, umode_t mode)
{
- int error = 0;
struct inode *inode = NULL;
struct configfs_dirent *sd;
struct inode *p_inode;
if (!dentry)
- return -ENOENT;
+ return ERR_PTR(-ENOENT);
if (d_really_is_positive(dentry))
- return -EEXIST;
+ return ERR_PTR(-EEXIST);
sd = dentry->d_fsdata;
inode = configfs_new_inode(mode, sd, dentry->d_sb);
if (!inode)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
p_inode = d_inode(dentry->d_parent);
p_inode->i_mtime = p_inode->i_ctime = current_time(p_inode);
configfs_set_inode_lock_class(sd, inode);
-
- init(inode);
- if (S_ISDIR(mode) || S_ISLNK(mode)) {
- /*
- * ->symlink(), ->mkdir(), configfs_register_subsystem() or
- * create_default_group() - already hashed.
- */
- d_instantiate(dentry, inode);
- dget(dentry); /* pin link and directory dentries in core */
- } else {
- /* ->lookup() */
- d_add(dentry, inode);
- }
- return error;
+ return inode;
}
/*
--
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