|  | /* | 
|  | *  Common NFSv4 ACL handling definitions. | 
|  | * | 
|  | *  Copyright (c) 2002 The Regents of the University of Michigan. | 
|  | *  All rights reserved. | 
|  | * | 
|  | *  Marius Aamodt Eriksen <[email protected]> | 
|  | * | 
|  | *  Redistribution and use in source and binary forms, with or without | 
|  | *  modification, are permitted provided that the following conditions | 
|  | *  are met: | 
|  | * | 
|  | *  1. Redistributions of source code must retain the above copyright | 
|  | *     notice, this list of conditions and the following disclaimer. | 
|  | *  2. Redistributions in binary form must reproduce the above copyright | 
|  | *     notice, this list of conditions and the following disclaimer in the | 
|  | *     documentation and/or other materials provided with the distribution. | 
|  | *  3. Neither the name of the University nor the names of its | 
|  | *     contributors may be used to endorse or promote products derived | 
|  | *     from this software without specific prior written permission. | 
|  | * | 
|  | *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | 
|  | *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | 
|  | *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
|  | *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | 
|  | *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | 
|  | *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | 
|  | *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | 
|  | *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | 
|  | *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | 
|  | *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | 
|  | *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  | */ | 
|  |  | 
|  | #ifndef LINUX_NFS4_ACL_H | 
|  | #define LINUX_NFS4_ACL_H | 
|  |  | 
|  | struct nfs4_acl; | 
|  | struct svc_fh; | 
|  | struct svc_rqst; | 
|  |  | 
|  | /* | 
|  | * Maximum ACL we'll accept from a client; chosen (somewhat | 
|  | * arbitrarily) so that kmalloc'ing the ACL shouldn't require a | 
|  | * high-order allocation.  This allows 204 ACEs on x86_64: | 
|  | */ | 
|  | #define NFS4_ACL_MAX ((PAGE_SIZE - sizeof(struct nfs4_acl)) \ | 
|  | / sizeof(struct nfs4_ace)) | 
|  |  | 
|  | int nfs4_acl_bytes(int entries); | 
|  | int nfs4_acl_get_whotype(char *, u32); | 
|  | __be32 nfs4_acl_write_who(struct xdr_stream *xdr, int who); | 
|  |  | 
|  | int nfsd4_get_nfs4_acl(struct svc_rqst *rqstp, struct dentry *dentry, | 
|  | struct nfs4_acl **acl); | 
|  | __be32 nfsd4_set_nfs4_acl(struct svc_rqst *rqstp, struct svc_fh *fhp, | 
|  | struct nfs4_acl *acl); | 
|  |  | 
|  | #endif /* LINUX_NFS4_ACL_H */ |