| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * File: linux/nfsacl.h |
| * |
| * (C) 2003 Andreas Gruenbacher <agruen@suse.de> |
| */ |
| #ifndef __LINUX_NFSACL_H |
| #define __LINUX_NFSACL_H |
| |
| |
| #include <linux/posix_acl.h> |
| #include <linux/sunrpc/xdr.h> |
| #include <uapi/linux/nfsacl.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) |
| |
| #define NFS_ACL_MAX_ENTRIES_INLINE (5) |
| #define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2) |
| |
| 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 int |
| nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, |
| struct posix_acl *acl, int encode_entries, int typeflag); |
| extern int |
| nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, |
| struct posix_acl **pacl); |
| |
| #endif /* __LINUX_NFSACL_H */ |
