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root/fs/nfsd/nfs3proc.c

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DEFINITIONS

This source file includes following definitions.
  1. nfsd3_proc_null
  2. nfsd3_proc_getattr
  3. nfsd3_proc_setattr
  4. nfsd3_proc_lookup
  5. nfsd3_proc_access
  6. nfsd3_proc_readlink
  7. nfsd3_proc_read
  8. nfsd3_proc_write
  9. nfsd3_proc_create
  10. nfsd3_proc_mkdir
  11. nfsd3_proc_symlink
  12. nfsd3_proc_mknod
  13. nfsd3_proc_remove
  14. nfsd3_proc_rmdir
  15. nfsd3_proc_rename
  16. nfsd3_proc_link
  17. nfsd3_proc_readdir
  18. nfsd3_proc_readdirplus
  19. nfsd3_proc_fsstat
  20. nfsd3_proc_fsinfo
  21. nfsd3_proc_pathconf
  22. nfsd3_proc_commit

/*
 * linux/fs/nfsd/nfs3proc.c
 *
 * Process version 3 NFS requests.
 *
 * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de>
 */

#include <linux/linkage.h>
#include <linux/time.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/ext2_fs.h>
#include <linux/stat.h>
#include <linux/fcntl.h>
#include <linux/net.h>
#include <linux/in.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/major.h>

#include <linux/sunrpc/svc.h>
#include <linux/nfsd/nfsd.h>
#include <linux/nfsd/cache.h>
#include <linux/nfsd/xdr3.h>
#include <linux/nfs3.h>

#define NFSDDBG_FACILITY                NFSDDBG_PROC

#define RETURN_STATUS(st)       { resp->status = (st); return (st); }

static int      nfs3_ftypes[] = {
        0,                      /* NF3NON */
        S_IFREG,                /* NF3REG */
        S_IFDIR,                /* NF3DIR */
        S_IFBLK,                /* NF3BLK */
        S_IFCHR,                /* NF3CHR */
        S_IFLNK,                /* NF3LNK */
        S_IFSOCK,               /* NF3SOCK */
        S_IFIFO,                /* NF3FIFO */
};

/*
 * NULL call.
 */
static __be32
nfsd3_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
{
        return nfs_ok;
}

/*
 * Get a file's attributes
 */
static __be32
nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle  *argp,
                                           struct nfsd3_attrstat *resp)
{
        int     err;
        __be32  nfserr;

        dprintk("nfsd: GETATTR(3)  %s\n",
                SVCFH_fmt(&argp->fh));

        fh_copy(&resp->fh, &argp->fh);
        nfserr = fh_verify(rqstp, &resp->fh, 0,
                        NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
        if (nfserr)
                RETURN_STATUS(nfserr);

        err = vfs_getattr(resp->fh.fh_export->ex_path.mnt,
                          resp->fh.fh_dentry, &resp->stat);
        nfserr = nfserrno(err);

        RETURN_STATUS(nfserr);
}

/*
 * Set a file's attributes
 */
static __be32
nfsd3_proc_setattr(struct svc_rqst *rqstp, struct nfsd3_sattrargs *argp,
                                           struct nfsd3_attrstat  *resp)
{
        __be32  nfserr;

        dprintk("nfsd: SETATTR(3)  %s\n",
                                SVCFH_fmt(&argp->fh));

        fh_copy(&resp->fh, &argp->fh);
        nfserr = nfsd_setattr(rqstp, &resp->fh, &argp->attrs,
                              argp->check_guard, argp->guardtime);
        RETURN_STATUS(nfserr);
}

/*
 * Look up a path name component
 */
static __be32
nfsd3_proc_lookup(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
                                          struct nfsd3_diropres  *resp)
{
        __be32  nfserr;

        dprintk("nfsd: LOOKUP(3)   %s %.*s\n",
                                SVCFH_fmt(&argp->fh),
                                argp->len,
                                argp->name);

        fh_copy(&resp->dirfh, &argp->fh);
        fh_init(&resp->fh, NFS3_FHSIZE);

        nfserr = nfsd_lookup(rqstp, &resp->dirfh,
                                    argp->name,
                                    argp->len,
                                    &resp->fh);
        RETURN_STATUS(nfserr);
}

/*
 * Check file access
 */
static __be32
nfsd3_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp,
                                          struct nfsd3_accessres *resp)
{
        __be32  nfserr;

        dprintk("nfsd: ACCESS(3)   %s 0x%x\n",
                                SVCFH_fmt(&argp->fh),
                                argp->access);

        fh_copy(&resp->fh, &argp->fh);
        resp->access = argp->access;
        nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
        RETURN_STATUS(nfserr);
}

/*
 * Read a symlink.
 */
static __be32
nfsd3_proc_readlink(struct svc_rqst *rqstp, struct nfsd3_readlinkargs *argp,
                                           struct nfsd3_readlinkres *resp)
{
        __be32 nfserr;

        dprintk("nfsd: READLINK(3) %s\n", SVCFH_fmt(&argp->fh));

        /* Read the symlink. */
        fh_copy(&resp->fh, &argp->fh);
        resp->len = NFS3_MAXPATHLEN;
        nfserr = nfsd_readlink(rqstp, &resp->fh, argp->buffer, &resp->len);
        RETURN_STATUS(nfserr);
}

/*
 * Read a portion of a file.
 */
static __be32
nfsd3_proc_read(struct svc_rqst *rqstp, struct nfsd3_readargs *argp,
                                        struct nfsd3_readres  *resp)
{
        __be32  nfserr;
        u32     max_blocksize = svc_max_payload(rqstp);

        dprintk("nfsd: READ(3) %s %lu bytes at %lu\n",
                                SVCFH_fmt(&argp->fh),
                                (unsigned long) argp->count,
                                (unsigned long) argp->offset);

        /* Obtain buffer pointer for payload.
         * 1 (status) + 22 (post_op_attr) + 1 (count) + 1 (eof)
         * + 1 (xdr opaque byte count) = 26
         */

        resp->count = argp->count;
        if (max_blocksize < resp->count)
                resp->count = max_blocksize;

        svc_reserve_auth(rqstp, ((1 + NFS3_POST_OP_ATTR_WORDS + 3)<<2) + resp->count +4);

        fh_copy(&resp->fh, &argp->fh);
        nfserr = nfsd_read(rqstp, &resp->fh, NULL,
                                  argp->offset,
                                  rqstp->rq_vec, argp->vlen,
                                  &resp->count);
        if (nfserr == 0) {
                struct inode    *inode = resp->fh.fh_dentry->d_inode;

                resp->eof = (argp->offset + resp->count) >= inode->i_size;
        }

        RETURN_STATUS(nfserr);
}

/*
 * Write data to a file
 */
static __be32
nfsd3_proc_write(struct svc_rqst *rqstp, struct nfsd3_writeargs *argp,
                                         struct nfsd3_writeres  *resp)
{
        __be32  nfserr;

        dprintk("nfsd: WRITE(3)    %s %d bytes at %ld%s\n",
                                SVCFH_fmt(&argp->fh),
                                argp->len,
                                (unsigned long) argp->offset,
                                argp->stable? " stable" : "");

        fh_copy(&resp->fh, &argp->fh);
        resp->committed = argp->stable;
        nfserr = nfsd_write(rqstp, &resp->fh, NULL,
                                   argp->offset,
                                   rqstp->rq_vec, argp->vlen,
                                   argp->len,
                                   &resp->committed);
        resp->count = argp->count;
        RETURN_STATUS(nfserr);
}

/*
 * With NFSv3, CREATE processing is a lot easier than with NFSv2.
 * At least in theory; we'll see how it fares in practice when the
 * first reports about SunOS compatibility problems start to pour in...
 */
static __be32
nfsd3_proc_create(struct svc_rqst *rqstp, struct nfsd3_createargs *argp,
                                          struct nfsd3_diropres   *resp)
{
        svc_fh          *dirfhp, *newfhp = NULL;
        struct iattr    *attr;
        __be32          nfserr;

        dprintk("nfsd: CREATE(3)   %s %.*s\n",
                                SVCFH_fmt(&argp->fh),
                                argp->len,
                                argp->name);

        dirfhp = fh_copy(&resp->dirfh, &argp->fh);
        newfhp = fh_init(&resp->fh, NFS3_FHSIZE);
        attr   = &argp->attrs;

        /* Get the directory inode */
        nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, NFSD_MAY_CREATE);
        if (nfserr)
                RETURN_STATUS(nfserr);

        /* Unfudge the mode bits */
        attr->ia_mode &= ~S_IFMT;
        if (!(attr->ia_valid & ATTR_MODE)) { 
                attr->ia_valid |= ATTR_MODE;
                attr->ia_mode = S_IFREG;
        } else {
                attr->ia_mode = (attr->ia_mode & ~S_IFMT) | S_IFREG;
        }

        /* Now create the file and set attributes */
        nfserr = nfsd_create_v3(rqstp, dirfhp, argp->name, argp->len,
                                attr, newfhp,
                                argp->createmode, argp->verf, NULL, NULL);

        RETURN_STATUS(nfserr);
}

/*
 * Make directory. This operation is not idempotent.
 */
static __be32
nfsd3_proc_mkdir(struct svc_rqst *rqstp, struct nfsd3_createargs *argp,
                                         struct nfsd3_diropres   *resp)
{
        __be32  nfserr;

        dprintk("nfsd: MKDIR(3)    %s %.*s\n",
                                SVCFH_fmt(&argp->fh),
                                argp->len,
                                argp->name);

        argp->attrs.ia_valid &= ~ATTR_SIZE;
        fh_copy(&resp->dirfh, &argp->fh);
        fh_init(&resp->fh, NFS3_FHSIZE);
        nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
                                    &argp->attrs, S_IFDIR, 0, &resp->fh);

        RETURN_STATUS(nfserr);
}

static __be32
nfsd3_proc_symlink(struct svc_rqst *rqstp, struct nfsd3_symlinkargs *argp,
                                           struct nfsd3_diropres    *resp)
{
        __be32  nfserr;

        dprintk("nfsd: SYMLINK(3)  %s %.*s -> %.*s\n",
                                SVCFH_fmt(&argp->ffh),
                                argp->flen, argp->fname,
                                argp->tlen, argp->tname);

        fh_copy(&resp->dirfh, &argp->ffh);
        fh_init(&resp->fh, NFS3_FHSIZE);
        nfserr = nfsd_symlink(rqstp, &resp->dirfh, argp->fname, argp->flen,
                                                   argp->tname, argp->tlen,
                                                   &resp->fh, &argp->attrs);
        RETURN_STATUS(nfserr);
}

/*
 * Make socket/fifo/device.
 */
static __be32
nfsd3_proc_mknod(struct svc_rqst *rqstp, struct nfsd3_mknodargs *argp,
                                         struct nfsd3_diropres  *resp)
{
        __be32  nfserr;
        int type;
        dev_t   rdev = 0;

        dprintk("nfsd: MKNOD(3)    %s %.*s\n",
                                SVCFH_fmt(&argp->fh),
                                argp->len,
                                argp->name);

        fh_copy(&resp->dirfh, &argp->fh);
        fh_init(&resp->fh, NFS3_FHSIZE);

        if (argp->ftype == 0 || argp->ftype >= NF3BAD)
                RETURN_STATUS(nfserr_inval);
        if (argp->ftype == NF3CHR || argp->ftype == NF3BLK) {
                rdev = MKDEV(argp->major, argp->minor);
                if (MAJOR(rdev) != argp->major ||
                    MINOR(rdev) != argp->minor)
                        RETURN_STATUS(nfserr_inval);
        } else
                if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO)
                        RETURN_STATUS(nfserr_inval);

        type = nfs3_ftypes[argp->ftype];
        nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
                                    &argp->attrs, type, rdev, &resp->fh);

        RETURN_STATUS(nfserr);
}

/*
 * Remove file/fifo/socket etc.
 */
static __be32
nfsd3_proc_remove(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
                                          struct nfsd3_attrstat  *resp)
{
        __be32  nfserr;

        dprintk("nfsd: REMOVE(3)   %s %.*s\n",
                                SVCFH_fmt(&argp->fh),
                                argp->len,
                                argp->name);

        /* Unlink. -S_IFDIR means file must not be a directory */
        fh_copy(&resp->fh, &argp->fh);
        nfserr = nfsd_unlink(rqstp, &resp->fh, -S_IFDIR, argp->name, argp->len);
        RETURN_STATUS(nfserr);
}

/*
 * Remove a directory
 */
static __be32
nfsd3_proc_rmdir(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
                                         struct nfsd3_attrstat  *resp)
{
        __be32  nfserr;

        dprintk("nfsd: RMDIR(3)    %s %.*s\n",
                                SVCFH_fmt(&argp->fh),
                                argp->len,
                                argp->name);

        fh_copy(&resp->fh, &argp->fh);
        nfserr = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, argp->name, argp->len);
        RETURN_STATUS(nfserr);
}

static __be32
nfsd3_proc_rename(struct svc_rqst *rqstp, struct nfsd3_renameargs *argp,
                                          struct nfsd3_renameres  *resp)
{
        __be32  nfserr;

        dprintk("nfsd: RENAME(3)   %s %.*s ->\n",
                                SVCFH_fmt(&argp->ffh),
                                argp->flen,
                                argp->fname);
        dprintk("nfsd: -> %s %.*s\n",
                                SVCFH_fmt(&argp->tfh),
                                argp->tlen,
                                argp->tname);

        fh_copy(&resp->ffh, &argp->ffh);
        fh_copy(&resp->tfh, &argp->tfh);
        nfserr = nfsd_rename(rqstp, &resp->ffh, argp->fname, argp->flen,
                                    &resp->tfh, argp->tname, argp->tlen);
        RETURN_STATUS(nfserr);
}

static __be32
nfsd3_proc_link(struct svc_rqst *rqstp, struct nfsd3_linkargs *argp,
                                        struct nfsd3_linkres  *resp)
{
        __be32  nfserr;

        dprintk("nfsd: LINK(3)     %s ->\n",
                                SVCFH_fmt(&argp->ffh));
        dprintk("nfsd:   -> %s %.*s\n",
                                SVCFH_fmt(&argp->tfh),
                                argp->tlen,
                                argp->tname);

        fh_copy(&resp->fh,  &argp->ffh);
        fh_copy(&resp->tfh, &argp->tfh);
        nfserr = nfsd_link(rqstp, &resp->tfh, argp->tname, argp->tlen,
                                  &resp->fh);
        RETURN_STATUS(nfserr);
}

/*
 * Read a portion of a directory.
 */
static __be32
nfsd3_proc_readdir(struct svc_rqst *rqstp, struct nfsd3_readdirargs *argp,
                                           struct nfsd3_readdirres  *resp)
{
        __be32          nfserr;
        int             count;

        dprintk("nfsd: READDIR(3)  %s %d bytes at %d\n",
                                SVCFH_fmt(&argp->fh),
                                argp->count, (u32) argp->cookie);

        /* Make sure we've room for the NULL ptr & eof flag, and shrink to
         * client read size */
        count = (argp->count >> 2) - 2;

        /* Read directory and encode entries on the fly */
        fh_copy(&resp->fh, &argp->fh);

        resp->buflen = count;
        resp->common.err = nfs_ok;
        resp->buffer = argp->buffer;
        resp->rqstp = rqstp;
        nfserr = nfsd_readdir(rqstp, &resp->fh, (loff_t*) &argp->cookie, 
                                        &resp->common, nfs3svc_encode_entry);
        memcpy(resp->verf, argp->verf, 8);
        resp->count = resp->buffer - argp->buffer;
        if (resp->offset)
                xdr_encode_hyper(resp->offset, argp->cookie);

        RETURN_STATUS(nfserr);
}

/*
 * 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, struct nfsd3_readdirargs *argp,
                                               struct nfsd3_readdirres  *resp)
{
        __be32  nfserr;
        int     count = 0;
        loff_t  offset;
        int     i;
        caddr_t page_addr = NULL;

        dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n",
                                SVCFH_fmt(&argp->fh),
                                argp->count, (u32) argp->cookie);

        /* Convert byte count to number of words (i.e. >> 2),
         * and reserve room for the NULL ptr & eof flag (-2 words) */
        resp->count = (argp->count >> 2) - 2;

        /* Read directory and encode entries on the fly */
        fh_copy(&resp->fh, &argp->fh);

        resp->common.err = nfs_ok;
        resp->buffer = argp->buffer;
        resp->buflen = resp->count;
        resp->rqstp = rqstp;
        offset = argp->cookie;
        nfserr = nfsd_readdir(rqstp, &resp->fh,
                                     &offset,
                                     &resp->common,
                                     nfs3svc_encode_entry_plus);
        memcpy(resp->verf, argp->verf, 8);
        for (i=1; i<rqstp->rq_resused ; i++) {
                page_addr = page_address(rqstp->rq_respages[i]);

                if (((caddr_t)resp->buffer >= page_addr) &&
                    ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) {
                        count += (caddr_t)resp->buffer - page_addr;
                        break;
                }
                count += PAGE_SIZE;
        }
        resp->count = count >> 2;
        if (resp->offset) {
                if (unlikely(resp->offset1)) {
                        /* we ended up with offset on a page boundary */
                        *resp->offset = htonl(offset >> 32);
                        *resp->offset1 = htonl(offset & 0xffffffff);
                        resp->offset1 = NULL;
                } else {
                        xdr_encode_hyper(resp->offset, offset);
                }
        }

        RETURN_STATUS(nfserr);
}

/*
 * Get file system stats
 */
static __be32
nfsd3_proc_fsstat(struct svc_rqst * rqstp, struct nfsd_fhandle    *argp,
                                           struct nfsd3_fsstatres *resp)
{
        __be32  nfserr;

        dprintk("nfsd: FSSTAT(3)   %s\n",
                                SVCFH_fmt(&argp->fh));

        nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0);
        fh_put(&argp->fh);
        RETURN_STATUS(nfserr);
}

/*
 * Get file system info
 */
static __be32
nfsd3_proc_fsinfo(struct svc_rqst * rqstp, struct nfsd_fhandle    *argp,
                                           struct nfsd3_fsinfores *resp)
{
        __be32  nfserr;
        u32     max_blocksize = svc_max_payload(rqstp);

        dprintk("nfsd: FSINFO(3)   %s\n",
                                SVCFH_fmt(&argp->fh));

        resp->f_rtmax  = max_blocksize;
        resp->f_rtpref = max_blocksize;
        resp->f_rtmult = PAGE_SIZE;
        resp->f_wtmax  = max_blocksize;
        resp->f_wtpref = max_blocksize;
        resp->f_wtmult = PAGE_SIZE;
        resp->f_dtpref = PAGE_SIZE;
        resp->f_maxfilesize = ~(u32) 0;
        resp->f_properties = NFS3_FSF_DEFAULT;

        nfserr = fh_verify(rqstp, &argp->fh, 0,
                        NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);

        /* Check special features of the file system. May request
         * different read/write sizes for file systems known to have
         * problems with large blocks */
        if (nfserr == 0) {
                struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb;

                /* Note that we don't care for remote fs's here */
                if (sb->s_magic == 0x4d44 /* MSDOS_SUPER_MAGIC */) {
                        resp->f_properties = NFS3_FSF_BILLYBOY;
                }
                resp->f_maxfilesize = sb->s_maxbytes;
        }

        fh_put(&argp->fh);
        RETURN_STATUS(nfserr);
}

/*
 * Get pathconf info for the specified file
 */
static __be32
nfsd3_proc_pathconf(struct svc_rqst * rqstp, struct nfsd_fhandle      *argp,
                                             struct nfsd3_pathconfres *resp)
{
        __be32  nfserr;

        dprintk("nfsd: PATHCONF(3) %s\n",
                                SVCFH_fmt(&argp->fh));

        /* Set default pathconf */
        resp->p_link_max = 255;         /* at least */
        resp->p_name_max = 255;         /* at least */
        resp->p_no_trunc = 0;
        resp->p_chown_restricted = 1;
        resp->p_case_insensitive = 0;
        resp->p_case_preserving = 1;

        nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP);

        if (nfserr == 0) {
                struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb;

                /* Note that we don't care for remote fs's here */
                switch (sb->s_magic) {
                case EXT2_SUPER_MAGIC:
                        resp->p_link_max = EXT2_LINK_MAX;
                        resp->p_name_max = EXT2_NAME_LEN;
                        break;
                case 0x4d44:    /* MSDOS_SUPER_MAGIC */
                        resp->p_case_insensitive = 1;
                        resp->p_case_preserving  = 0;
                        break;
                }
        }

        fh_put(&argp->fh);
        RETURN_STATUS(nfserr);
}


/*
 * Commit a file (range) to stable storage.
 */
static __be32
nfsd3_proc_commit(struct svc_rqst * rqstp, struct nfsd3_commitargs *argp,
                                           struct nfsd3_commitres  *resp)
{
        __be32  nfserr;

        dprintk("nfsd: COMMIT(3)   %s %u@%Lu\n",
                                SVCFH_fmt(&argp->fh),
                                argp->count,
                                (unsigned long long) argp->offset);

        if (argp->offset > NFS_OFFSET_MAX)
                RETURN_STATUS(nfserr_inval);

        fh_copy(&resp->fh, &argp->fh);
        nfserr = nfsd_commit(rqstp, &resp->fh, argp->offset, argp->count);

        RETURN_STATUS(nfserr);
}


/*
 * NFSv3 Server procedures.
 * Only the results of non-idempotent operations are cached.
 */
#define nfs3svc_decode_voidargs         NULL
#define nfs3svc_release_void            NULL
#define nfs3svc_decode_fhandleargs      nfs3svc_decode_fhandle
#define nfs3svc_encode_attrstatres      nfs3svc_encode_attrstat
#define nfs3svc_encode_wccstatres       nfs3svc_encode_wccstat
#define nfsd3_mkdirargs                 nfsd3_createargs
#define nfsd3_readdirplusargs           nfsd3_readdirargs
#define nfsd3_fhandleargs               nfsd_fhandle
#define nfsd3_fhandleres                nfsd3_attrstat
#define nfsd3_attrstatres               nfsd3_attrstat
#define nfsd3_wccstatres                nfsd3_attrstat
#define nfsd3_createres                 nfsd3_diropres
#define nfsd3_voidres                   nfsd3_voidargs
struct nfsd3_voidargs { int dummy; };

#define PROC(name, argt, rest, relt, cache, respsize)   \
 { (svc_procfunc) nfsd3_proc_##name,            \
   (kxdrproc_t) nfs3svc_decode_##argt##args,    \
   (kxdrproc_t) nfs3svc_encode_##rest##res,     \
   (kxdrproc_t) nfs3svc_release_##relt,         \
   sizeof(struct nfsd3_##argt##args),           \
   sizeof(struct nfsd3_##rest##res),            \
   0,                                           \
   cache,                                       \
   respsize,                                    \
 }

#define ST 1            /* status*/
#define FH 17           /* filehandle with length */
#define AT 21           /* attributes */
#define pAT (1+AT)      /* post attributes - conditional */
#define WC (7+pAT)      /* WCC attributes */

static struct svc_procedure             nfsd_procedures3[22] = {
  PROC(null,     void,          void,           void,     RC_NOCACHE, ST),
  PROC(getattr,  fhandle,       attrstat,       fhandle,  RC_NOCACHE, ST+AT),
  PROC(setattr,  sattr,         wccstat,        fhandle,  RC_REPLBUFF, ST+WC),
  PROC(lookup,   dirop,         dirop,          fhandle2, RC_NOCACHE, ST+FH+pAT+pAT),
  PROC(access,   access,        access,         fhandle,  RC_NOCACHE, ST+pAT+1),
  PROC(readlink, readlink,      readlink,       fhandle,  RC_NOCACHE, ST+pAT+1+NFS3_MAXPATHLEN/4),
  PROC(read,     read,          read,           fhandle,  RC_NOCACHE, ST+pAT+4+NFSSVC_MAXBLKSIZE/4),
  PROC(write,    write,         write,          fhandle,  RC_REPLBUFF, ST+WC+4),
  PROC(create,   create,        create,         fhandle2, RC_REPLBUFF, ST+(1+FH+pAT)+WC),
  PROC(mkdir,    mkdir,         create,         fhandle2, RC_REPLBUFF, ST+(1+FH+pAT)+WC),
  PROC(symlink,  symlink,       create,         fhandle2, RC_REPLBUFF, ST+(1+FH+pAT)+WC),
  PROC(mknod,    mknod,         create,         fhandle2, RC_REPLBUFF, ST+(1+FH+pAT)+WC),
  PROC(remove,   dirop,         wccstat,        fhandle,  RC_REPLBUFF, ST+WC),
  PROC(rmdir,    dirop,         wccstat,        fhandle,  RC_REPLBUFF, ST+WC),
  PROC(rename,   rename,        rename,         fhandle2, RC_REPLBUFF, ST+WC+WC),
  PROC(link,     link,          link,           fhandle2, RC_REPLBUFF, ST+pAT+WC),
  PROC(readdir,  readdir,       readdir,        fhandle,  RC_NOCACHE, 0),
  PROC(readdirplus,readdirplus, readdir,        fhandle,  RC_NOCACHE, 0),
  PROC(fsstat,   fhandle,       fsstat,         void,     RC_NOCACHE, ST+pAT+2*6+1),
  PROC(fsinfo,   fhandle,       fsinfo,         void,     RC_NOCACHE, ST+pAT+12),
  PROC(pathconf, fhandle,       pathconf,       void,     RC_NOCACHE, ST+pAT+6),
  PROC(commit,   commit,        commit,         fhandle,  RC_NOCACHE, ST+WC+2),
};

struct svc_version      nfsd_version3 = {
                .vs_vers        = 3,
                .vs_nproc       = 22,
                .vs_proc        = nfsd_procedures3,
                .vs_dispatch    = nfsd_dispatch,
                .vs_xdrsize     = NFS3_SVC_XDRSIZE,
};

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