diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/nfsd/nfsproc.c')
| -rw-r--r-- | ANDROID_3.4.5/fs/nfsd/nfsproc.c | 755 |
1 files changed, 0 insertions, 755 deletions
diff --git a/ANDROID_3.4.5/fs/nfsd/nfsproc.c b/ANDROID_3.4.5/fs/nfsd/nfsproc.c deleted file mode 100644 index e15dc45f..00000000 --- a/ANDROID_3.4.5/fs/nfsd/nfsproc.c +++ /dev/null @@ -1,755 +0,0 @@ -/* - * Process version 2 NFS requests. - * - * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> - */ - -#include <linux/namei.h> - -#include "cache.h" -#include "xdr.h" -#include "vfs.h" - -typedef struct svc_rqst svc_rqst; -typedef struct svc_buf svc_buf; - -#define NFSDDBG_FACILITY NFSDDBG_PROC - - -static __be32 -nfsd_proc_null(struct svc_rqst *rqstp, void *argp, void *resp) -{ - return nfs_ok; -} - -static __be32 -nfsd_return_attrs(__be32 err, struct nfsd_attrstat *resp) -{ - if (err) return err; - return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt, - resp->fh.fh_dentry, - &resp->stat)); -} -static __be32 -nfsd_return_dirop(__be32 err, struct nfsd_diropres *resp) -{ - if (err) return err; - return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt, - resp->fh.fh_dentry, - &resp->stat)); -} -/* - * Get a file's attributes - * N.B. After this call resp->fh needs an fh_put - */ -static __be32 -nfsd_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle *argp, - struct nfsd_attrstat *resp) -{ - __be32 nfserr; - dprintk("nfsd: GETATTR %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); - return nfsd_return_attrs(nfserr, resp); -} - -/* - * Set a file's attributes - * N.B. After this call resp->fh needs an fh_put - */ -static __be32 -nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp, - struct nfsd_attrstat *resp) -{ - __be32 nfserr; - dprintk("nfsd: SETATTR %s, valid=%x, size=%ld\n", - SVCFH_fmt(&argp->fh), - argp->attrs.ia_valid, (long) argp->attrs.ia_size); - - fh_copy(&resp->fh, &argp->fh); - nfserr = nfsd_setattr(rqstp, &resp->fh, &argp->attrs,0, (time_t)0); - return nfsd_return_attrs(nfserr, resp); -} - -/* - * Look up a path name component - * Note: the dentry in the resp->fh may be negative if the file - * doesn't exist yet. - * N.B. After this call resp->fh needs an fh_put - */ -static __be32 -nfsd_proc_lookup(struct svc_rqst *rqstp, struct nfsd_diropargs *argp, - struct nfsd_diropres *resp) -{ - __be32 nfserr; - - dprintk("nfsd: LOOKUP %s %.*s\n", - SVCFH_fmt(&argp->fh), argp->len, argp->name); - - fh_init(&resp->fh, NFS_FHSIZE); - nfserr = nfsd_lookup(rqstp, &argp->fh, argp->name, argp->len, - &resp->fh); - - fh_put(&argp->fh); - return nfsd_return_dirop(nfserr, resp); -} - -/* - * Read a symlink. - */ -static __be32 -nfsd_proc_readlink(struct svc_rqst *rqstp, struct nfsd_readlinkargs *argp, - struct nfsd_readlinkres *resp) -{ - __be32 nfserr; - - dprintk("nfsd: READLINK %s\n", SVCFH_fmt(&argp->fh)); - - /* Read the symlink. */ - resp->len = NFS_MAXPATHLEN; - nfserr = nfsd_readlink(rqstp, &argp->fh, argp->buffer, &resp->len); - - fh_put(&argp->fh); - return nfserr; -} - -/* - * Read a portion of a file. - * N.B. After this call resp->fh needs an fh_put - */ -static __be32 -nfsd_proc_read(struct svc_rqst *rqstp, struct nfsd_readargs *argp, - struct nfsd_readres *resp) -{ - __be32 nfserr; - - dprintk("nfsd: READ %s %d bytes at %d\n", - SVCFH_fmt(&argp->fh), - argp->count, argp->offset); - - /* Obtain buffer pointer for payload. 19 is 1 word for - * status, 17 words for fattr, and 1 word for the byte count. - */ - - if (NFSSVC_MAXBLKSIZE_V2 < argp->count) { - char buf[RPC_MAX_ADDRBUFLEN]; - printk(KERN_NOTICE - "oversized read request from %s (%d bytes)\n", - svc_print_addr(rqstp, buf, sizeof(buf)), - argp->count); - argp->count = NFSSVC_MAXBLKSIZE_V2; - } - svc_reserve_auth(rqstp, (19<<2) + argp->count + 4); - - resp->count = argp->count; - nfserr = nfsd_read(rqstp, fh_copy(&resp->fh, &argp->fh), - argp->offset, - rqstp->rq_vec, argp->vlen, - &resp->count); - - if (nfserr) return nfserr; - return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt, - resp->fh.fh_dentry, - &resp->stat)); -} - -/* - * Write data to a file - * N.B. After this call resp->fh needs an fh_put - */ -static __be32 -nfsd_proc_write(struct svc_rqst *rqstp, struct nfsd_writeargs *argp, - struct nfsd_attrstat *resp) -{ - __be32 nfserr; - int stable = 1; - unsigned long cnt = argp->len; - - dprintk("nfsd: WRITE %s %d bytes at %d\n", - SVCFH_fmt(&argp->fh), - argp->len, argp->offset); - - nfserr = nfsd_write(rqstp, fh_copy(&resp->fh, &argp->fh), NULL, - argp->offset, - rqstp->rq_vec, argp->vlen, - &cnt, - &stable); - return nfsd_return_attrs(nfserr, resp); -} - -/* - * CREATE processing is complicated. The keyword here is `overloaded.' - * The parent directory is kept locked between the check for existence - * and the actual create() call in compliance with VFS protocols. - * N.B. After this call _both_ argp->fh and resp->fh need an fh_put - */ -static __be32 -nfsd_proc_create(struct svc_rqst *rqstp, struct nfsd_createargs *argp, - struct nfsd_diropres *resp) -{ - svc_fh *dirfhp = &argp->fh; - svc_fh *newfhp = &resp->fh; - struct iattr *attr = &argp->attrs; - struct inode *inode; - struct dentry *dchild; - int type, mode; - __be32 nfserr; - dev_t rdev = 0, wanted = new_decode_dev(attr->ia_size); - - dprintk("nfsd: CREATE %s %.*s\n", - SVCFH_fmt(dirfhp), argp->len, argp->name); - - /* First verify the parent file handle */ - nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, NFSD_MAY_EXEC); - if (nfserr) - goto done; /* must fh_put dirfhp even on error */ - - /* Check for NFSD_MAY_WRITE in nfsd_create if necessary */ - - nfserr = nfserr_acces; - if (!argp->len) - goto done; - nfserr = nfserr_exist; - if (isdotent(argp->name, argp->len)) - goto done; - fh_lock_nested(dirfhp, I_MUTEX_PARENT); - dchild = lookup_one_len(argp->name, dirfhp->fh_dentry, argp->len); - if (IS_ERR(dchild)) { - nfserr = nfserrno(PTR_ERR(dchild)); - goto out_unlock; - } - fh_init(newfhp, NFS_FHSIZE); - nfserr = fh_compose(newfhp, dirfhp->fh_export, dchild, dirfhp); - if (!nfserr && !dchild->d_inode) - nfserr = nfserr_noent; - dput(dchild); - if (nfserr) { - if (nfserr != nfserr_noent) - goto out_unlock; - /* - * If the new file handle wasn't verified, we can't tell - * whether the file exists or not. Time to bail ... - */ - nfserr = nfserr_acces; - if (!newfhp->fh_dentry) { - printk(KERN_WARNING - "nfsd_proc_create: file handle not verified\n"); - goto out_unlock; - } - } - - inode = newfhp->fh_dentry->d_inode; - - /* Unfudge the mode bits */ - if (attr->ia_valid & ATTR_MODE) { - type = attr->ia_mode & S_IFMT; - mode = attr->ia_mode & ~S_IFMT; - if (!type) { - /* no type, so if target exists, assume same as that, - * else assume a file */ - if (inode) { - type = inode->i_mode & S_IFMT; - switch(type) { - case S_IFCHR: - case S_IFBLK: - /* reserve rdev for later checking */ - rdev = inode->i_rdev; - attr->ia_valid |= ATTR_SIZE; - - /* FALLTHROUGH */ - case S_IFIFO: - /* this is probably a permission check.. - * at least IRIX implements perm checking on - * echo thing > device-special-file-or-pipe - * by doing a CREATE with type==0 - */ - nfserr = nfsd_permission(rqstp, - newfhp->fh_export, - newfhp->fh_dentry, - NFSD_MAY_WRITE|NFSD_MAY_LOCAL_ACCESS); - if (nfserr && nfserr != nfserr_rofs) - goto out_unlock; - } - } else - type = S_IFREG; - } - } else if (inode) { - type = inode->i_mode & S_IFMT; - mode = inode->i_mode & ~S_IFMT; - } else { - type = S_IFREG; - mode = 0; /* ??? */ - } - - attr->ia_valid |= ATTR_MODE; - attr->ia_mode = mode; - - /* Special treatment for non-regular files according to the - * gospel of sun micro - */ - if (type != S_IFREG) { - if (type != S_IFBLK && type != S_IFCHR) { - rdev = 0; - } else if (type == S_IFCHR && !(attr->ia_valid & ATTR_SIZE)) { - /* If you think you've seen the worst, grok this. */ - type = S_IFIFO; - } else { - /* Okay, char or block special */ - if (!rdev) - rdev = wanted; - } - - /* we've used the SIZE information, so discard it */ - attr->ia_valid &= ~ATTR_SIZE; - - /* Make sure the type and device matches */ - nfserr = nfserr_exist; - if (inode && type != (inode->i_mode & S_IFMT)) - goto out_unlock; - } - - nfserr = 0; - if (!inode) { - /* File doesn't exist. Create it and set attrs */ - nfserr = nfsd_create(rqstp, dirfhp, argp->name, argp->len, - attr, type, rdev, newfhp); - } else if (type == S_IFREG) { - dprintk("nfsd: existing %s, valid=%x, size=%ld\n", - argp->name, attr->ia_valid, (long) attr->ia_size); - /* File already exists. We ignore all attributes except - * size, so that creat() behaves exactly like - * open(..., O_CREAT|O_TRUNC|O_WRONLY). - */ - attr->ia_valid &= ATTR_SIZE; - if (attr->ia_valid) - nfserr = nfsd_setattr(rqstp, newfhp, attr, 0, (time_t)0); - } - -out_unlock: - /* We don't really need to unlock, as fh_put does it. */ - fh_unlock(dirfhp); - -done: - fh_put(dirfhp); - return nfsd_return_dirop(nfserr, resp); -} - -static __be32 -nfsd_proc_remove(struct svc_rqst *rqstp, struct nfsd_diropargs *argp, - void *resp) -{ - __be32 nfserr; - - dprintk("nfsd: REMOVE %s %.*s\n", SVCFH_fmt(&argp->fh), - argp->len, argp->name); - - /* Unlink. -SIFDIR means file must not be a directory */ - nfserr = nfsd_unlink(rqstp, &argp->fh, -S_IFDIR, argp->name, argp->len); - fh_put(&argp->fh); - return nfserr; -} - -static __be32 -nfsd_proc_rename(struct svc_rqst *rqstp, struct nfsd_renameargs *argp, - void *resp) -{ - __be32 nfserr; - - dprintk("nfsd: RENAME %s %.*s -> \n", - SVCFH_fmt(&argp->ffh), argp->flen, argp->fname); - dprintk("nfsd: -> %s %.*s\n", - SVCFH_fmt(&argp->tfh), argp->tlen, argp->tname); - - nfserr = nfsd_rename(rqstp, &argp->ffh, argp->fname, argp->flen, - &argp->tfh, argp->tname, argp->tlen); - fh_put(&argp->ffh); - fh_put(&argp->tfh); - return nfserr; -} - -static __be32 -nfsd_proc_link(struct svc_rqst *rqstp, struct nfsd_linkargs *argp, - void *resp) -{ - __be32 nfserr; - - dprintk("nfsd: LINK %s ->\n", - SVCFH_fmt(&argp->ffh)); - dprintk("nfsd: %s %.*s\n", - SVCFH_fmt(&argp->tfh), - argp->tlen, - argp->tname); - - nfserr = nfsd_link(rqstp, &argp->tfh, argp->tname, argp->tlen, - &argp->ffh); - fh_put(&argp->ffh); - fh_put(&argp->tfh); - return nfserr; -} - -static __be32 -nfsd_proc_symlink(struct svc_rqst *rqstp, struct nfsd_symlinkargs *argp, - void *resp) -{ - struct svc_fh newfh; - __be32 nfserr; - - dprintk("nfsd: SYMLINK %s %.*s -> %.*s\n", - SVCFH_fmt(&argp->ffh), argp->flen, argp->fname, - argp->tlen, argp->tname); - - fh_init(&newfh, NFS_FHSIZE); - /* - * Create the link, look up new file and set attrs. - */ - nfserr = nfsd_symlink(rqstp, &argp->ffh, argp->fname, argp->flen, - argp->tname, argp->tlen, - &newfh, &argp->attrs); - - - fh_put(&argp->ffh); - fh_put(&newfh); - return nfserr; -} - -/* - * Make directory. This operation is not idempotent. - * N.B. After this call resp->fh needs an fh_put - */ -static __be32 -nfsd_proc_mkdir(struct svc_rqst *rqstp, struct nfsd_createargs *argp, - struct nfsd_diropres *resp) -{ - __be32 nfserr; - - dprintk("nfsd: MKDIR %s %.*s\n", SVCFH_fmt(&argp->fh), argp->len, argp->name); - - if (resp->fh.fh_dentry) { - printk(KERN_WARNING - "nfsd_proc_mkdir: response already verified??\n"); - } - - argp->attrs.ia_valid &= ~ATTR_SIZE; - fh_init(&resp->fh, NFS_FHSIZE); - nfserr = nfsd_create(rqstp, &argp->fh, argp->name, argp->len, - &argp->attrs, S_IFDIR, 0, &resp->fh); - fh_put(&argp->fh); - return nfsd_return_dirop(nfserr, resp); -} - -/* - * Remove a directory - */ -static __be32 -nfsd_proc_rmdir(struct svc_rqst *rqstp, struct nfsd_diropargs *argp, - void *resp) -{ - __be32 nfserr; - - dprintk("nfsd: RMDIR %s %.*s\n", SVCFH_fmt(&argp->fh), argp->len, argp->name); - - nfserr = nfsd_unlink(rqstp, &argp->fh, S_IFDIR, argp->name, argp->len); - fh_put(&argp->fh); - return nfserr; -} - -/* - * Read a portion of a directory. - */ -static __be32 -nfsd_proc_readdir(struct svc_rqst *rqstp, struct nfsd_readdirargs *argp, - struct nfsd_readdirres *resp) -{ - int count; - __be32 nfserr; - loff_t offset; - - dprintk("nfsd: READDIR %s %d bytes at %d\n", - SVCFH_fmt(&argp->fh), - argp->count, argp->cookie); - - /* Shrink to the client read size */ - count = (argp->count >> 2) - 2; - - /* Make sure we've room for the NULL ptr & eof flag */ - count -= 2; - if (count < 0) - count = 0; - - resp->buffer = argp->buffer; - resp->offset = NULL; - resp->buflen = count; - resp->common.err = nfs_ok; - /* Read directory and encode entries on the fly */ - offset = argp->cookie; - nfserr = nfsd_readdir(rqstp, &argp->fh, &offset, - &resp->common, nfssvc_encode_entry); - - resp->count = resp->buffer - argp->buffer; - if (resp->offset) - *resp->offset = htonl(offset); - - fh_put(&argp->fh); - return nfserr; -} - -/* - * Get file system info - */ -static __be32 -nfsd_proc_statfs(struct svc_rqst * rqstp, struct nfsd_fhandle *argp, - struct nfsd_statfsres *resp) -{ - __be32 nfserr; - - dprintk("nfsd: STATFS %s\n", SVCFH_fmt(&argp->fh)); - - nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, - NFSD_MAY_BYPASS_GSS_ON_ROOT); - fh_put(&argp->fh); - return nfserr; -} - -/* - * NFSv2 Server procedures. - * Only the results of non-idempotent operations are cached. - */ -struct nfsd_void { int dummy; }; - -#define ST 1 /* status */ -#define FH 8 /* filehandle */ -#define AT 18 /* attributes */ - -static struct svc_procedure nfsd_procedures2[18] = { - [NFSPROC_NULL] = { - .pc_func = (svc_procfunc) nfsd_proc_null, - .pc_decode = (kxdrproc_t) nfssvc_decode_void, - .pc_encode = (kxdrproc_t) nfssvc_encode_void, - .pc_argsize = sizeof(struct nfsd_void), - .pc_ressize = sizeof(struct nfsd_void), - .pc_cachetype = RC_NOCACHE, - .pc_xdrressize = ST, - }, - [NFSPROC_GETATTR] = { - .pc_func = (svc_procfunc) nfsd_proc_getattr, - .pc_decode = (kxdrproc_t) nfssvc_decode_fhandle, - .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat, - .pc_release = (kxdrproc_t) nfssvc_release_fhandle, - .pc_argsize = sizeof(struct nfsd_fhandle), - .pc_ressize = sizeof(struct nfsd_attrstat), - .pc_cachetype = RC_NOCACHE, - .pc_xdrressize = ST+AT, - }, - [NFSPROC_SETATTR] = { - .pc_func = (svc_procfunc) nfsd_proc_setattr, - .pc_decode = (kxdrproc_t) nfssvc_decode_sattrargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat, - .pc_release = (kxdrproc_t) nfssvc_release_fhandle, - .pc_argsize = sizeof(struct nfsd_sattrargs), - .pc_ressize = sizeof(struct nfsd_attrstat), - .pc_cachetype = RC_REPLBUFF, - .pc_xdrressize = ST+AT, - }, - [NFSPROC_ROOT] = { - .pc_decode = (kxdrproc_t) nfssvc_decode_void, - .pc_encode = (kxdrproc_t) nfssvc_encode_void, - .pc_argsize = sizeof(struct nfsd_void), - .pc_ressize = sizeof(struct nfsd_void), - .pc_cachetype = RC_NOCACHE, - .pc_xdrressize = ST, - }, - [NFSPROC_LOOKUP] = { - .pc_func = (svc_procfunc) nfsd_proc_lookup, - .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_diropres, - .pc_release = (kxdrproc_t) nfssvc_release_fhandle, - .pc_argsize = sizeof(struct nfsd_diropargs), - .pc_ressize = sizeof(struct nfsd_diropres), - .pc_cachetype = RC_NOCACHE, - .pc_xdrressize = ST+FH+AT, - }, - [NFSPROC_READLINK] = { - .pc_func = (svc_procfunc) nfsd_proc_readlink, - .pc_decode = (kxdrproc_t) nfssvc_decode_readlinkargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_readlinkres, - .pc_argsize = sizeof(struct nfsd_readlinkargs), - .pc_ressize = sizeof(struct nfsd_readlinkres), - .pc_cachetype = RC_NOCACHE, - .pc_xdrressize = ST+1+NFS_MAXPATHLEN/4, - }, - [NFSPROC_READ] = { - .pc_func = (svc_procfunc) nfsd_proc_read, - .pc_decode = (kxdrproc_t) nfssvc_decode_readargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_readres, - .pc_release = (kxdrproc_t) nfssvc_release_fhandle, - .pc_argsize = sizeof(struct nfsd_readargs), - .pc_ressize = sizeof(struct nfsd_readres), - .pc_cachetype = RC_NOCACHE, - .pc_xdrressize = ST+AT+1+NFSSVC_MAXBLKSIZE_V2/4, - }, - [NFSPROC_WRITECACHE] = { - .pc_decode = (kxdrproc_t) nfssvc_decode_void, - .pc_encode = (kxdrproc_t) nfssvc_encode_void, - .pc_argsize = sizeof(struct nfsd_void), - .pc_ressize = sizeof(struct nfsd_void), - .pc_cachetype = RC_NOCACHE, - .pc_xdrressize = ST, - }, - [NFSPROC_WRITE] = { - .pc_func = (svc_procfunc) nfsd_proc_write, - .pc_decode = (kxdrproc_t) nfssvc_decode_writeargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat, - .pc_release = (kxdrproc_t) nfssvc_release_fhandle, - .pc_argsize = sizeof(struct nfsd_writeargs), - .pc_ressize = sizeof(struct nfsd_attrstat), - .pc_cachetype = RC_REPLBUFF, - .pc_xdrressize = ST+AT, - }, - [NFSPROC_CREATE] = { - .pc_func = (svc_procfunc) nfsd_proc_create, - .pc_decode = (kxdrproc_t) nfssvc_decode_createargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_diropres, - .pc_release = (kxdrproc_t) nfssvc_release_fhandle, - .pc_argsize = sizeof(struct nfsd_createargs), - .pc_ressize = sizeof(struct nfsd_diropres), - .pc_cachetype = RC_REPLBUFF, - .pc_xdrressize = ST+FH+AT, - }, - [NFSPROC_REMOVE] = { - .pc_func = (svc_procfunc) nfsd_proc_remove, - .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_void, - .pc_argsize = sizeof(struct nfsd_diropargs), - .pc_ressize = sizeof(struct nfsd_void), - .pc_cachetype = RC_REPLSTAT, - .pc_xdrressize = ST, - }, - [NFSPROC_RENAME] = { - .pc_func = (svc_procfunc) nfsd_proc_rename, - .pc_decode = (kxdrproc_t) nfssvc_decode_renameargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_void, - .pc_argsize = sizeof(struct nfsd_renameargs), - .pc_ressize = sizeof(struct nfsd_void), - .pc_cachetype = RC_REPLSTAT, - .pc_xdrressize = ST, - }, - [NFSPROC_LINK] = { - .pc_func = (svc_procfunc) nfsd_proc_link, - .pc_decode = (kxdrproc_t) nfssvc_decode_linkargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_void, - .pc_argsize = sizeof(struct nfsd_linkargs), - .pc_ressize = sizeof(struct nfsd_void), - .pc_cachetype = RC_REPLSTAT, - .pc_xdrressize = ST, - }, - [NFSPROC_SYMLINK] = { - .pc_func = (svc_procfunc) nfsd_proc_symlink, - .pc_decode = (kxdrproc_t) nfssvc_decode_symlinkargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_void, - .pc_argsize = sizeof(struct nfsd_symlinkargs), - .pc_ressize = sizeof(struct nfsd_void), - .pc_cachetype = RC_REPLSTAT, - .pc_xdrressize = ST, - }, - [NFSPROC_MKDIR] = { - .pc_func = (svc_procfunc) nfsd_proc_mkdir, - .pc_decode = (kxdrproc_t) nfssvc_decode_createargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_diropres, - .pc_release = (kxdrproc_t) nfssvc_release_fhandle, - .pc_argsize = sizeof(struct nfsd_createargs), - .pc_ressize = sizeof(struct nfsd_diropres), - .pc_cachetype = RC_REPLBUFF, - .pc_xdrressize = ST+FH+AT, - }, - [NFSPROC_RMDIR] = { - .pc_func = (svc_procfunc) nfsd_proc_rmdir, - .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_void, - .pc_argsize = sizeof(struct nfsd_diropargs), - .pc_ressize = sizeof(struct nfsd_void), - .pc_cachetype = RC_REPLSTAT, - .pc_xdrressize = ST, - }, - [NFSPROC_READDIR] = { - .pc_func = (svc_procfunc) nfsd_proc_readdir, - .pc_decode = (kxdrproc_t) nfssvc_decode_readdirargs, - .pc_encode = (kxdrproc_t) nfssvc_encode_readdirres, - .pc_argsize = sizeof(struct nfsd_readdirargs), - .pc_ressize = sizeof(struct nfsd_readdirres), - .pc_cachetype = RC_NOCACHE, - }, - [NFSPROC_STATFS] = { - .pc_func = (svc_procfunc) nfsd_proc_statfs, - .pc_decode = (kxdrproc_t) nfssvc_decode_fhandle, - .pc_encode = (kxdrproc_t) nfssvc_encode_statfsres, - .pc_argsize = sizeof(struct nfsd_fhandle), - .pc_ressize = sizeof(struct nfsd_statfsres), - .pc_cachetype = RC_NOCACHE, - .pc_xdrressize = ST+5, - }, -}; - - -struct svc_version nfsd_version2 = { - .vs_vers = 2, - .vs_nproc = 18, - .vs_proc = nfsd_procedures2, - .vs_dispatch = nfsd_dispatch, - .vs_xdrsize = NFS2_SVC_XDRSIZE, -}; - -/* - * Map errnos to NFS errnos. - */ -__be32 -nfserrno (int errno) -{ - static struct { - __be32 nfserr; - int syserr; - } nfs_errtbl[] = { - { nfs_ok, 0 }, - { nfserr_perm, -EPERM }, - { nfserr_noent, -ENOENT }, - { nfserr_io, -EIO }, - { nfserr_nxio, -ENXIO }, - { nfserr_acces, -EACCES }, - { nfserr_exist, -EEXIST }, - { nfserr_xdev, -EXDEV }, - { nfserr_mlink, -EMLINK }, - { nfserr_nodev, -ENODEV }, - { nfserr_notdir, -ENOTDIR }, - { nfserr_isdir, -EISDIR }, - { nfserr_inval, -EINVAL }, - { nfserr_fbig, -EFBIG }, - { nfserr_nospc, -ENOSPC }, - { nfserr_rofs, -EROFS }, - { nfserr_mlink, -EMLINK }, - { nfserr_nametoolong, -ENAMETOOLONG }, - { nfserr_notempty, -ENOTEMPTY }, -#ifdef EDQUOT - { nfserr_dquot, -EDQUOT }, -#endif - { nfserr_stale, -ESTALE }, - { nfserr_jukebox, -ETIMEDOUT }, - { nfserr_jukebox, -ERESTARTSYS }, - { nfserr_jukebox, -EAGAIN }, - { nfserr_jukebox, -EWOULDBLOCK }, - { nfserr_jukebox, -ENOMEM }, - { nfserr_io, -ETXTBSY }, - { nfserr_notsupp, -EOPNOTSUPP }, - { nfserr_toosmall, -ETOOSMALL }, - { nfserr_serverfault, -ESERVERFAULT }, - }; - int i; - - for (i = 0; i < ARRAY_SIZE(nfs_errtbl); i++) { - if (nfs_errtbl[i].syserr == errno) - return nfs_errtbl[i].nfserr; - } - printk (KERN_INFO "nfsd: non-standard errno: %d\n", errno); - return nfserr_io; -} - |