diff options
Diffstat (limited to 'kernel/fs/nfsd/nfs3proc.c')
| -rw-r--r-- | kernel/fs/nfsd/nfs3proc.c | 891 |
1 files changed, 891 insertions, 0 deletions
diff --git a/kernel/fs/nfsd/nfs3proc.c b/kernel/fs/nfsd/nfs3proc.c new file mode 100644 index 000000000..7b755b7f7 --- /dev/null +++ b/kernel/fs/nfsd/nfs3proc.c @@ -0,0 +1,891 @@ +/* + * Process version 3 NFS requests. + * + * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de> + */ + +#include <linux/fs.h> +#include <linux/ext2_fs.h> +#include <linux/magic.h> + +#include "cache.h" +#include "xdr3.h" +#include "vfs.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) +{ + __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); + + nfserr = fh_getattr(&resp->fh, &resp->stat); + + 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 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 = min(argp->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, + argp->offset, + rqstp->rq_vec, argp->vlen, + &resp->count); + if (nfserr == 0) { + struct inode *inode = d_inode(resp->fh.fh_dentry); + + 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; + unsigned long cnt = argp->len; + + dprintk("nfsd: WRITE(3) %s %d bytes at %Lu%s\n", + SVCFH_fmt(&argp->fh), + argp->len, + (unsigned long 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, + &cnt, + &resp->committed); + resp->count = cnt; + 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; + + /* 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 = do_nfsd_create(rqstp, dirfhp, argp->name, argp->len, + attr, newfhp, + argp->createmode, (u32 *)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); + fh_unlock(&resp->dirfh); + 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, &resp->fh); + 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); + fh_unlock(&resp->dirfh); + 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); + fh_unlock(&resp->fh); + 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); + fh_unlock(&resp->fh); + 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; + struct page **p; + 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 = fh_verify(rqstp, &resp->fh, S_IFDIR, NFSD_MAY_NOP); + if (nfserr) + RETURN_STATUS(nfserr); + + if (resp->fh.fh_export->ex_flags & NFSEXP_NOREADDIRPLUS) + RETURN_STATUS(nfserr_notsupp); + + nfserr = nfsd_readdir(rqstp, &resp->fh, + &offset, + &resp->common, + nfs3svc_encode_entry_plus); + memcpy(resp->verf, argp->verf, 8); + for (p = rqstp->rq_respages + 1; p < rqstp->rq_next_page; p++) { + page_addr = page_address(*p); + + 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 = d_inode(argp->fh.fh_dentry)->i_sb; + + /* Note that we don't care for remote fs's here */ + if (sb->s_magic == 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 = d_inode(argp->fh.fh_dentry)->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 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_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] = { + [NFS3PROC_NULL] = { + .pc_func = (svc_procfunc) nfsd3_proc_null, + .pc_encode = (kxdrproc_t) nfs3svc_encode_voidres, + .pc_argsize = sizeof(struct nfsd3_voidargs), + .pc_ressize = sizeof(struct nfsd3_voidres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST, + }, + [NFS3PROC_GETATTR] = { + .pc_func = (svc_procfunc) nfsd3_proc_getattr, + .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_attrstatres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_fhandleargs), + .pc_ressize = sizeof(struct nfsd3_attrstatres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST+AT, + }, + [NFS3PROC_SETATTR] = { + .pc_func = (svc_procfunc) nfsd3_proc_setattr, + .pc_decode = (kxdrproc_t) nfs3svc_decode_sattrargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_sattrargs), + .pc_ressize = sizeof(struct nfsd3_wccstatres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+WC, + }, + [NFS3PROC_LOOKUP] = { + .pc_func = (svc_procfunc) nfsd3_proc_lookup, + .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_diropres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, + .pc_argsize = sizeof(struct nfsd3_diropargs), + .pc_ressize = sizeof(struct nfsd3_diropres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST+FH+pAT+pAT, + }, + [NFS3PROC_ACCESS] = { + .pc_func = (svc_procfunc) nfsd3_proc_access, + .pc_decode = (kxdrproc_t) nfs3svc_decode_accessargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_accessres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_accessargs), + .pc_ressize = sizeof(struct nfsd3_accessres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST+pAT+1, + }, + [NFS3PROC_READLINK] = { + .pc_func = (svc_procfunc) nfsd3_proc_readlink, + .pc_decode = (kxdrproc_t) nfs3svc_decode_readlinkargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_readlinkres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_readlinkargs), + .pc_ressize = sizeof(struct nfsd3_readlinkres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4, + }, + [NFS3PROC_READ] = { + .pc_func = (svc_procfunc) nfsd3_proc_read, + .pc_decode = (kxdrproc_t) nfs3svc_decode_readargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_readres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_readargs), + .pc_ressize = sizeof(struct nfsd3_readres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST+pAT+4+NFSSVC_MAXBLKSIZE/4, + }, + [NFS3PROC_WRITE] = { + .pc_func = (svc_procfunc) nfsd3_proc_write, + .pc_decode = (kxdrproc_t) nfs3svc_decode_writeargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_writeres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_writeargs), + .pc_ressize = sizeof(struct nfsd3_writeres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+WC+4, + }, + [NFS3PROC_CREATE] = { + .pc_func = (svc_procfunc) nfsd3_proc_create, + .pc_decode = (kxdrproc_t) nfs3svc_decode_createargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_createres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, + .pc_argsize = sizeof(struct nfsd3_createargs), + .pc_ressize = sizeof(struct nfsd3_createres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+(1+FH+pAT)+WC, + }, + [NFS3PROC_MKDIR] = { + .pc_func = (svc_procfunc) nfsd3_proc_mkdir, + .pc_decode = (kxdrproc_t) nfs3svc_decode_mkdirargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_createres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, + .pc_argsize = sizeof(struct nfsd3_mkdirargs), + .pc_ressize = sizeof(struct nfsd3_createres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+(1+FH+pAT)+WC, + }, + [NFS3PROC_SYMLINK] = { + .pc_func = (svc_procfunc) nfsd3_proc_symlink, + .pc_decode = (kxdrproc_t) nfs3svc_decode_symlinkargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_createres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, + .pc_argsize = sizeof(struct nfsd3_symlinkargs), + .pc_ressize = sizeof(struct nfsd3_createres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+(1+FH+pAT)+WC, + }, + [NFS3PROC_MKNOD] = { + .pc_func = (svc_procfunc) nfsd3_proc_mknod, + .pc_decode = (kxdrproc_t) nfs3svc_decode_mknodargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_createres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, + .pc_argsize = sizeof(struct nfsd3_mknodargs), + .pc_ressize = sizeof(struct nfsd3_createres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+(1+FH+pAT)+WC, + }, + [NFS3PROC_REMOVE] = { + .pc_func = (svc_procfunc) nfsd3_proc_remove, + .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_diropargs), + .pc_ressize = sizeof(struct nfsd3_wccstatres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+WC, + }, + [NFS3PROC_RMDIR] = { + .pc_func = (svc_procfunc) nfsd3_proc_rmdir, + .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_diropargs), + .pc_ressize = sizeof(struct nfsd3_wccstatres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+WC, + }, + [NFS3PROC_RENAME] = { + .pc_func = (svc_procfunc) nfsd3_proc_rename, + .pc_decode = (kxdrproc_t) nfs3svc_decode_renameargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_renameres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, + .pc_argsize = sizeof(struct nfsd3_renameargs), + .pc_ressize = sizeof(struct nfsd3_renameres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+WC+WC, + }, + [NFS3PROC_LINK] = { + .pc_func = (svc_procfunc) nfsd3_proc_link, + .pc_decode = (kxdrproc_t) nfs3svc_decode_linkargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_linkres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2, + .pc_argsize = sizeof(struct nfsd3_linkargs), + .pc_ressize = sizeof(struct nfsd3_linkres), + .pc_cachetype = RC_REPLBUFF, + .pc_xdrressize = ST+pAT+WC, + }, + [NFS3PROC_READDIR] = { + .pc_func = (svc_procfunc) nfsd3_proc_readdir, + .pc_decode = (kxdrproc_t) nfs3svc_decode_readdirargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_readdirres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_readdirargs), + .pc_ressize = sizeof(struct nfsd3_readdirres), + .pc_cachetype = RC_NOCACHE, + }, + [NFS3PROC_READDIRPLUS] = { + .pc_func = (svc_procfunc) nfsd3_proc_readdirplus, + .pc_decode = (kxdrproc_t) nfs3svc_decode_readdirplusargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_readdirres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_readdirplusargs), + .pc_ressize = sizeof(struct nfsd3_readdirres), + .pc_cachetype = RC_NOCACHE, + }, + [NFS3PROC_FSSTAT] = { + .pc_func = (svc_procfunc) nfsd3_proc_fsstat, + .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_fsstatres, + .pc_argsize = sizeof(struct nfsd3_fhandleargs), + .pc_ressize = sizeof(struct nfsd3_fsstatres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST+pAT+2*6+1, + }, + [NFS3PROC_FSINFO] = { + .pc_func = (svc_procfunc) nfsd3_proc_fsinfo, + .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_fsinfores, + .pc_argsize = sizeof(struct nfsd3_fhandleargs), + .pc_ressize = sizeof(struct nfsd3_fsinfores), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST+pAT+12, + }, + [NFS3PROC_PATHCONF] = { + .pc_func = (svc_procfunc) nfsd3_proc_pathconf, + .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_pathconfres, + .pc_argsize = sizeof(struct nfsd3_fhandleargs), + .pc_ressize = sizeof(struct nfsd3_pathconfres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = ST+pAT+6, + }, + [NFS3PROC_COMMIT] = { + .pc_func = (svc_procfunc) nfsd3_proc_commit, + .pc_decode = (kxdrproc_t) nfs3svc_decode_commitargs, + .pc_encode = (kxdrproc_t) nfs3svc_encode_commitres, + .pc_release = (kxdrproc_t) nfs3svc_release_fhandle, + .pc_argsize = sizeof(struct nfsd3_commitargs), + .pc_ressize = sizeof(struct nfsd3_commitres), + .pc_cachetype = RC_NOCACHE, + .pc_xdrressize = 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, +}; |