1 /* 2 * File: linux/nfsacl.h 3 * 4 * (C) 2003 Andreas Gruenbacher <agruen (at) suse.de> 5 */ 6 #ifndef __LINUX_NFSACL_H 7 #define __LINUX_NFSACL_H 8 9 #define NFS_ACL_PROGRAM 100227 10 11 #define ACLPROC2_GETACL 1 12 #define ACLPROC2_SETACL 2 13 #define ACLPROC2_GETATTR 3 14 #define ACLPROC2_ACCESS 4 15 16 #define ACLPROC3_GETACL 1 17 #define ACLPROC3_SETACL 2 18 19 20 /* Flags for the getacl/setacl mode */ 21 #define NFS_ACL 0x0001 22 #define NFS_ACLCNT 0x0002 23 #define NFS_DFACL 0x0004 24 #define NFS_DFACLCNT 0x0008 25 26 /* Flag for Default ACL entries */ 27 #define NFS_ACL_DEFAULT 0x1000 28 29 #ifdef __KERNEL__ 30 31 #include <linux/posix_acl.h> 32 33 /* Maximum number of ACL entries over NFS */ 34 #define NFS_ACL_MAX_ENTRIES 1024 35 36 #define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES)) 37 #define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \ 38 >> PAGE_SHIFT) 39 40 static inline unsigned int 41 nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default) 42 { 43 unsigned int w = 16; 44 w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12; 45 if (acl_default) 46 w += max((int)acl_default->a_count, 4) * 12; 47 return w; 48 } 49 50 extern unsigned int 51 nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, 52 struct posix_acl *acl, int encode_entries, int typeflag); 53 extern unsigned int 54 nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, 55 struct posix_acl **pacl); 56 57 #endif /* __KERNEL__ */ 58 #endif /* __LINUX_NFSACL_H */ 59
