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66 lines
2.1 KiB
66 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* |
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* include/linux/nfsd/export.h |
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* |
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* Public declarations for NFS exports. The definitions for the |
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* syscall interface are in nfsctl.h |
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* |
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* Copyright (C) 1995-1997 Olaf Kirch <[email protected]> |
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*/ |
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#ifndef _UAPINFSD_EXPORT_H |
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#define _UAPINFSD_EXPORT_H |
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# include <linux/types.h> |
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/* |
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* Important limits for the exports stuff. |
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*/ |
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#define NFSCLNT_IDMAX 1024 |
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#define NFSCLNT_ADDRMAX 16 |
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#define NFSCLNT_KEYMAX 32 |
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/* |
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* Export flags. |
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* |
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* Please update the expflags[] array in fs/nfsd/export.c when adding |
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* a new flag. |
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*/ |
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#define NFSEXP_READONLY 0x0001 |
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#define NFSEXP_INSECURE_PORT 0x0002 |
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#define NFSEXP_ROOTSQUASH 0x0004 |
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#define NFSEXP_ALLSQUASH 0x0008 |
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#define NFSEXP_ASYNC 0x0010 |
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#define NFSEXP_GATHERED_WRITES 0x0020 |
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#define NFSEXP_NOREADDIRPLUS 0x0040 |
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#define NFSEXP_SECURITY_LABEL 0x0080 |
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/* 0x100 currently unused */ |
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#define NFSEXP_NOHIDE 0x0200 |
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#define NFSEXP_NOSUBTREECHECK 0x0400 |
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#define NFSEXP_NOAUTHNLM 0x0800 /* Don't authenticate NLM requests - just trust */ |
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#define NFSEXP_MSNFS 0x1000 /* do silly things that MS clients expect; no longer supported */ |
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#define NFSEXP_FSID 0x2000 |
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#define NFSEXP_CROSSMOUNT 0x4000 |
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#define NFSEXP_NOACL 0x8000 /* reserved for possible ACL related use */ |
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/* |
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* The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4 |
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* clients, and only to the single directory that is the root of the |
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* export; further lookup and readdir operations are treated as if every |
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* subdirectory was a mountpoint, and ignored if they are not themselves |
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* exported. This is used by nfsd and mountd to construct the NFSv4 |
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* pseudofilesystem, which provides access only to paths leading to each |
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* exported filesystem. |
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*/ |
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#define NFSEXP_V4ROOT 0x10000 |
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#define NFSEXP_PNFS 0x20000 |
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/* All flags that we claim to support. (Note we don't support NOACL.) */ |
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#define NFSEXP_ALLFLAGS 0x3FEFF |
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/* The flags that may vary depending on security flavor: */ |
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#define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \ |
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| NFSEXP_ALLSQUASH \ |
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| NFSEXP_INSECURE_PORT) |
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#endif /* _UAPINFSD_EXPORT_H */
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