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45 lines
1.3 KiB
45 lines
1.3 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* File: linux/nfsacl.h |
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* |
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* (C) 2003 Andreas Gruenbacher <[email protected]> |
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*/ |
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#ifndef __LINUX_NFSACL_H |
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#define __LINUX_NFSACL_H |
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#include <linux/posix_acl.h> |
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#include <linux/sunrpc/xdr.h> |
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#include <uapi/linux/nfsacl.h> |
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/* Maximum number of ACL entries over NFS */ |
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#define NFS_ACL_MAX_ENTRIES 1024 |
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#define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES)) |
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#define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \ |
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>> PAGE_SHIFT) |
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#define NFS_ACL_MAX_ENTRIES_INLINE (5) |
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#define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2) |
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static inline unsigned int |
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nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default) |
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{ |
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unsigned int w = 16; |
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w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12; |
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if (acl_default) |
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w += max((int)acl_default->a_count, 4) * 12; |
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return w; |
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} |
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extern int |
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nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, |
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struct posix_acl *acl, int encode_entries, int typeflag); |
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extern int |
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nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, |
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struct posix_acl **pacl); |
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extern bool |
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nfs_stream_decode_acl(struct xdr_stream *xdr, unsigned int *aclcnt, |
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struct posix_acl **pacl); |
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#endif /* __LINUX_NFSACL_H */
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