nfsacl.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:1k
- /*
- * File: linux/nfsacl.h
- *
- * (C) 2003 Andreas Gruenbacher <agruen@suse.de>
- */
- #ifndef __LINUX_NFSACL_H
- #define __LINUX_NFSACL_H
- #define NFS_ACL_PROGRAM 100227
- #define ACLPROC2_GETACL 1
- #define ACLPROC2_SETACL 2
- #define ACLPROC2_GETATTR 3
- #define ACLPROC2_ACCESS 4
- #define ACLPROC3_GETACL 1
- #define ACLPROC3_SETACL 2
- /* Flags for the getacl/setacl mode */
- #define NFS_ACL 0x0001
- #define NFS_ACLCNT 0x0002
- #define NFS_DFACL 0x0004
- #define NFS_DFACLCNT 0x0008
- /* Flag for Default ACL entries */
- #define NFS_ACL_DEFAULT 0x1000
- #ifdef __KERNEL__
- #include <linux/posix_acl.h>
- /* Maximum number of ACL entries over NFS */
- #define NFS_ACL_MAX_ENTRIES 1024
- #define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES))
- #define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1)
- >> PAGE_SHIFT)
- static inline unsigned int
- nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
- {
- unsigned int w = 16;
- w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12;
- if (acl_default)
- w += max((int)acl_default->a_count, 4) * 12;
- return w;
- }
- extern unsigned int
- nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
- struct posix_acl *acl, int encode_entries, int typeflag);
- extern unsigned int
- nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
- struct posix_acl **pacl);
- #endif /* __KERNEL__ */
- #endif /* __LINUX_NFSACL_H */