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b5d5dfbd59
NFS_SUPER_MAGIC is already defined in include/linux/magic.h Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
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* include/linux/nfsd/const.h
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*
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* Various constants related to NFS.
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*
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* Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef _LINUX_NFSD_CONST_H
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#define _LINUX_NFSD_CONST_H
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#include <linux/nfs.h>
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#include <linux/nfs2.h>
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#include <linux/nfs3.h>
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#include <linux/nfs4.h>
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/*
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* Maximum protocol version supported by knfsd
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*/
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#define NFSSVC_MAXVERS 3
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/*
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* Maximum blocksizes supported by daemon under various circumstances.
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*/
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#define NFSSVC_MAXBLKSIZE RPCSVC_MAXPAYLOAD
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/* NFSv2 is limited by the protocol specification, see RFC 1094 */
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#define NFSSVC_MAXBLKSIZE_V2 (8*1024)
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#ifdef __KERNEL__
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#include <linux/sunrpc/msg_prot.h>
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/*
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* Largest number of bytes we need to allocate for an NFS
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* call or reply. Used to control buffer sizes. We use
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* the length of v3 WRITE, READDIR and READDIR replies
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* which are an RPC header, up to 26 XDR units of reply
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* data, and some page data.
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*
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* Note that accuracy here doesn't matter too much as the
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* size is rounded up to a page size when allocating space.
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*/
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#define NFSD_BUFSIZE ((RPC_MAX_HEADER_WITH_AUTH+26)*XDR_UNIT + NFSSVC_MAXBLKSIZE)
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#ifdef CONFIG_NFSD_V4
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# define NFSSVC_XDRSIZE NFS4_SVC_XDRSIZE
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#elif defined(CONFIG_NFSD_V3)
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# define NFSSVC_XDRSIZE NFS3_SVC_XDRSIZE
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#else
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# define NFSSVC_XDRSIZE NFS2_SVC_XDRSIZE
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#endif
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#endif /* __KERNEL__ */
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#endif /* _LINUX_NFSD_CONST_H */
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