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fs/f2fs/acl.h 1.18 KB
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  /*
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   * fs/f2fs/acl.h
   *
   * Copyright (c) 2012 Samsung Electronics Co., Ltd.
   *             http://www.samsung.com/
   *
   * Portions of this code from linux/fs/ext2/acl.h
   *
   * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #ifndef __F2FS_ACL_H__
  #define __F2FS_ACL_H__
  
  #include <linux/posix_acl_xattr.h>
  
  #define F2FS_ACL_VERSION	0x0001
  
  struct f2fs_acl_entry {
  	__le16 e_tag;
  	__le16 e_perm;
  	__le32 e_id;
  };
  
  struct f2fs_acl_entry_short {
  	__le16 e_tag;
  	__le16 e_perm;
  };
  
  struct f2fs_acl_header {
  	__le32 a_version;
  };
  
  #ifdef CONFIG_F2FS_FS_POSIX_ACL
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  extern struct posix_acl *f2fs_get_acl(struct inode *, int);
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  extern int f2fs_set_acl(struct inode *, struct posix_acl *, int);
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  extern int f2fs_init_acl(struct inode *, struct inode *, struct page *,
  							struct page *);
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  #else
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  #define f2fs_get_acl	NULL
  #define f2fs_set_acl	NULL
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  static inline int f2fs_init_acl(struct inode *inode, struct inode *dir,
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  				struct page *ipage, struct page *dpage)
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  {
  	return 0;
  }
  #endif
  #endif /* __F2FS_ACL_H__ */