1 /* SPDX-License-Identifier: GPL-2.0 */
5 * (C) 2003 Andreas Gruenbacher <agruen@suse.de>
7 #ifndef __LINUX_NFSACL_H
8 #define __LINUX_NFSACL_H
11 #include <linux/posix_acl.h>
12 #include <linux/sunrpc/xdr.h>
13 #include <uapi/linux/nfsacl.h>
15 /* Maximum number of ACL entries over NFS */
16 #define NFS_ACL_MAX_ENTRIES 1024
18 #define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES))
19 #define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \
22 #define NFS_ACL_MAX_ENTRIES_INLINE (5)
23 #define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2)
25 static inline unsigned int
26 nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
29 w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12;
31 w += max((int)acl_default->a_count, 4) * 12;
36 nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
37 struct posix_acl *acl, int encode_entries, int typeflag);
39 nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
40 struct posix_acl **pacl);
42 #endif /* __LINUX_NFSACL_H */