diff options
Diffstat (limited to 'include/linux/nfsacl.h')
| -rw-r--r-- | include/linux/nfsacl.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/linux/nfsacl.h b/include/linux/nfsacl.h new file mode 100644 index 000000000..5e69e67b3 --- /dev/null +++ b/include/linux/nfsacl.h @@ -0,0 +1,41 @@ +/* + * 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 */ |