mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-18 02:04:05 +08:00
607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
|
|
* 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 */
|