diff options
Diffstat (limited to 'drivers/staging/erofs/xattr.h')
-rw-r--r-- | drivers/staging/erofs/xattr.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/drivers/staging/erofs/xattr.h b/drivers/staging/erofs/xattr.h deleted file mode 100644 index 35ba5ac2139a..000000000000 --- a/drivers/staging/erofs/xattr.h +++ /dev/null @@ -1,97 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 - * - * linux/drivers/staging/erofs/xattr.h - * - * Copyright (C) 2017-2018 HUAWEI, Inc. - * http://www.huawei.com/ - * Created by Gao Xiang <gaoxiang25@huawei.com> - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of the Linux - * distribution for more details. - */ -#ifndef __EROFS_XATTR_H -#define __EROFS_XATTR_H - -#include "internal.h" -#include <linux/posix_acl_xattr.h> -#include <linux/xattr.h> - -/* Attribute not found */ -#define ENOATTR ENODATA - -static inline unsigned inlinexattr_header_size(struct inode *inode) -{ - return sizeof(struct erofs_xattr_ibody_header) - + sizeof(u32) * EROFS_V(inode)->xattr_shared_count; -} - -static inline erofs_blk_t -xattrblock_addr(struct erofs_sb_info *sbi, unsigned xattr_id) -{ -#ifdef CONFIG_EROFS_FS_XATTR - return sbi->xattr_blkaddr + - xattr_id * sizeof(__u32) / EROFS_BLKSIZ; -#else - return 0; -#endif -} - -static inline unsigned -xattrblock_offset(struct erofs_sb_info *sbi, unsigned xattr_id) -{ - return (xattr_id * sizeof(__u32)) % EROFS_BLKSIZ; -} - -extern const struct xattr_handler erofs_xattr_user_handler; -extern const struct xattr_handler erofs_xattr_trusted_handler; -#ifdef CONFIG_EROFS_FS_SECURITY -extern const struct xattr_handler erofs_xattr_security_handler; -#endif - -static inline const struct xattr_handler *erofs_xattr_handler(unsigned index) -{ -static const struct xattr_handler *xattr_handler_map[] = { - [EROFS_XATTR_INDEX_USER] = &erofs_xattr_user_handler, -#ifdef CONFIG_EROFS_FS_POSIX_ACL - [EROFS_XATTR_INDEX_POSIX_ACL_ACCESS] = &posix_acl_access_xattr_handler, - [EROFS_XATTR_INDEX_POSIX_ACL_DEFAULT] = - &posix_acl_default_xattr_handler, -#endif - [EROFS_XATTR_INDEX_TRUSTED] = &erofs_xattr_trusted_handler, -#ifdef CONFIG_EROFS_FS_SECURITY - [EROFS_XATTR_INDEX_SECURITY] = &erofs_xattr_security_handler, -#endif -}; - return index && index < ARRAY_SIZE(xattr_handler_map) ? - xattr_handler_map[index] : NULL; -} - -#ifdef CONFIG_EROFS_FS_XATTR -extern const struct xattr_handler *erofs_xattr_handlers[]; - -int erofs_getxattr(struct inode *, int, const char *, void *, size_t); -ssize_t erofs_listxattr(struct dentry *, char *, size_t); -#else -static int __maybe_unused erofs_getxattr(struct inode *inode, int index, - const char *name, - void *buffer, size_t buffer_size) -{ - return -ENOTSUPP; -} - -static ssize_t __maybe_unused erofs_listxattr(struct dentry *dentry, - char *buffer, size_t buffer_size) -{ - return -ENOTSUPP; -} -#endif - -#ifdef CONFIG_EROFS_FS_POSIX_ACL -struct posix_acl *erofs_get_acl(struct inode *inode, int type); -#else -#define erofs_get_acl (NULL) -#endif - -#endif - |