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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
/*
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* File: linux/nfsacl.h
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*
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* (C) 2003 Andreas Gruenbacher <agruen@suse.de>
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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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#endif /* __LINUX_NFSACL_H */
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