linux/fs/nfsd/nfs3proc.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Process version 3 NFS requests.
 *
 * Copyright (C) 1996, 1997, 1998 Olaf Kirch <[email protected]>
 */

#include <linux/fs.h>
#include <linux/ext2_fs.h>
#include <linux/magic.h>
#include <linux/namei.h>

#include "cache.h"
#include "xdr3.h"
#include "vfs.h"
#include "filecache.h"

#define NFSDDBG_FACILITY …

static int	nfs3_ftypes[] = …;

/*
 * NULL call.
 */
static __be32
nfsd3_proc_null(struct svc_rqst *rqstp)
{ … }

/*
 * Get a file's attributes
 */
static __be32
nfsd3_proc_getattr(struct svc_rqst *rqstp)
{ … }

/*
 * Set a file's attributes
 */
static __be32
nfsd3_proc_setattr(struct svc_rqst *rqstp)
{ … }

/*
 * Look up a path name component
 */
static __be32
nfsd3_proc_lookup(struct svc_rqst *rqstp)
{ … }

/*
 * Check file access
 */
static __be32
nfsd3_proc_access(struct svc_rqst *rqstp)
{ … }

/*
 * Read a symlink.
 */
static __be32
nfsd3_proc_readlink(struct svc_rqst *rqstp)
{ … }

/*
 * Read a portion of a file.
 */
static __be32
nfsd3_proc_read(struct svc_rqst *rqstp)
{ … }

/*
 * Write data to a file
 */
static __be32
nfsd3_proc_write(struct svc_rqst *rqstp)
{ … }

/*
 * Implement NFSv3's unchecked, guarded, and exclusive CREATE
 * semantics for regular files. Except for the created file,
 * this operation is stateless on the server.
 *
 * Upon return, caller must release @fhp and @resfhp.
 */
static __be32
nfsd3_create_file(struct svc_rqst *rqstp, struct svc_fh *fhp,
		  struct svc_fh *resfhp, struct nfsd3_createargs *argp)
{ … }

static __be32
nfsd3_proc_create(struct svc_rqst *rqstp)
{ … }

/*
 * Make directory. This operation is not idempotent.
 */
static __be32
nfsd3_proc_mkdir(struct svc_rqst *rqstp)
{ … }

static __be32
nfsd3_proc_symlink(struct svc_rqst *rqstp)
{ … }

/*
 * Make socket/fifo/device.
 */
static __be32
nfsd3_proc_mknod(struct svc_rqst *rqstp)
{ … }

/*
 * Remove file/fifo/socket etc.
 */
static __be32
nfsd3_proc_remove(struct svc_rqst *rqstp)
{ … }

/*
 * Remove a directory
 */
static __be32
nfsd3_proc_rmdir(struct svc_rqst *rqstp)
{ … }

static __be32
nfsd3_proc_rename(struct svc_rqst *rqstp)
{ … }

static __be32
nfsd3_proc_link(struct svc_rqst *rqstp)
{ … }

static void nfsd3_init_dirlist_pages(struct svc_rqst *rqstp,
				     struct nfsd3_readdirres *resp,
				     u32 count)
{ … }

/*
 * Read a portion of a directory.
 */
static __be32
nfsd3_proc_readdir(struct svc_rqst *rqstp)
{ … }

/*
 * Read a portion of a directory, including file handles and attrs.
 * For now, we choose to ignore the dircount parameter.
 */
static __be32
nfsd3_proc_readdirplus(struct svc_rqst *rqstp)
{ … }

/*
 * Get file system stats
 */
static __be32
nfsd3_proc_fsstat(struct svc_rqst *rqstp)
{ … }

/*
 * Get file system info
 */
static __be32
nfsd3_proc_fsinfo(struct svc_rqst *rqstp)
{ … }

/*
 * Get pathconf info for the specified file
 */
static __be32
nfsd3_proc_pathconf(struct svc_rqst *rqstp)
{ … }

/*
 * Commit a file (range) to stable storage.
 */
static __be32
nfsd3_proc_commit(struct svc_rqst *rqstp)
{ … }


/*
 * NFSv3 Server procedures.
 * Only the results of non-idempotent operations are cached.
 */
#define nfs3svc_encode_attrstatres …
#define nfs3svc_encode_wccstatres …
#define nfsd3_mkdirargs …
#define nfsd3_readdirplusargs …
#define nfsd3_fhandleargs …
#define nfsd3_attrstatres …
#define nfsd3_wccstatres …
#define nfsd3_createres …

#define ST …
#define FH …
#define AT …
#define pAT …
#define WC …

static const struct svc_procedure nfsd_procedures3[22] = …;

static DEFINE_PER_CPU_ALIGNED(unsigned long,
			      nfsd_count3[ARRAY_SIZE(nfsd_procedures3)]);
const struct svc_version nfsd_version3 = …;