60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/*
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* Common NFSv4 ACL handling definitions.
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*
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* Copyright (c) 2002 The Regents of the University of Michigan.
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* All rights reserved.
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*
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* Marius Aamodt Eriksen <marius@umich.edu>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LINUX_NFS4_ACL_H
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#define LINUX_NFS4_ACL_H
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struct nfs4_acl;
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struct svc_fh;
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struct svc_rqst;
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/*
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* Maximum ACL we'll accept from a client; chosen (somewhat
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* arbitrarily) so that kmalloc'ing the ACL shouldn't require a
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* high-order allocation. This allows 204 ACEs on x86_64:
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*/
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#define NFS4_ACL_MAX ((PAGE_SIZE - sizeof(struct nfs4_acl)) \
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/ sizeof(struct nfs4_ace))
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struct nfs4_acl *nfs4_acl_new(int);
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int nfs4_acl_get_whotype(char *, u32);
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__be32 nfs4_acl_write_who(int who, __be32 **p, int *len);
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int nfsd4_get_nfs4_acl(struct svc_rqst *rqstp, struct dentry *dentry,
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struct nfs4_acl **acl);
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__be32 nfsd4_set_nfs4_acl(struct svc_rqst *rqstp, struct svc_fh *fhp,
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struct nfs4_acl *acl);
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#endif /* LINUX_NFS4_ACL_H */
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