XDR_QUADLEN(NFS_ACL_INLINE_BUFSIZE))
#define ACL3_setaclres_sz (1+NFS3_post_op_attr_sz)
+static int nfs3_stat_to_errno(enum nfs_stat);
+
/*
* Map file type to S_IFMT bits
*/
static int decode_nfspath3(struct xdr_stream *xdr)
{
u32 recvd, count;
- size_t hdrlen;
__be32 *p;
p = xdr_inline_decode(xdr, 4);
count = be32_to_cpup(p);
if (unlikely(count >= xdr->buf->page_len || count > NFS3_MAXPATHLEN))
goto out_nametoolong;
- hdrlen = (u8 *)xdr->p - (u8 *)xdr->iov->iov_base;
- recvd = xdr->buf->len - hdrlen;
+ recvd = xdr_read_pages(xdr, count);
if (unlikely(count > recvd))
goto out_cheating;
-
- xdr_read_pages(xdr, count);
xdr_terminate_string(xdr->buf, count);
return 0;
p = xdr_decode_nfstime3(p, &fattr->atime);
p = xdr_decode_nfstime3(p, &fattr->mtime);
xdr_decode_nfstime3(p, &fattr->ctime);
+ fattr->change_attr = nfs_timespec_to_change_attr(&fattr->ctime);
fattr->valid |= NFS_ATTR_FATTR_V3;
return 0;
goto out_overflow;
fattr->valid |= NFS_ATTR_FATTR_PRESIZE
+ | NFS_ATTR_FATTR_PRECHANGE
| NFS_ATTR_FATTR_PREMTIME
| NFS_ATTR_FATTR_PRECTIME;
p = xdr_decode_size3(p, &fattr->pre_size);
p = xdr_decode_nfstime3(p, &fattr->pre_mtime);
xdr_decode_nfstime3(p, &fattr->pre_ctime);
+ fattr->pre_change_attr = nfs_timespec_to_change_attr(&fattr->pre_ctime);
return 0;
out_overflow:
* };
*/
static void encode_commit3args(struct xdr_stream *xdr,
- const struct nfs_writeargs *args)
+ const struct nfs_commitargs *args)
{
__be32 *p;
static void nfs3_xdr_enc_commit3args(struct rpc_rqst *req,
struct xdr_stream *xdr,
- const struct nfs_writeargs *args)
+ const struct nfs_commitargs *args)
{
encode_commit3args(xdr, args);
}
out:
return error;
out_default:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
error = decode_post_op_attr(xdr, result->dir_attr);
if (unlikely(error))
goto out;
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_default:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_default:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
struct nfs_readres *result)
{
u32 eof, count, ocount, recvd;
- size_t hdrlen;
__be32 *p;
p = xdr_inline_decode(xdr, 4 + 4 + 4);
ocount = be32_to_cpup(p++);
if (unlikely(ocount != count))
goto out_mismatch;
- hdrlen = (u8 *)xdr->p - (u8 *)xdr->iov->iov_base;
- recvd = xdr->buf->len - hdrlen;
+ recvd = xdr_read_pages(xdr, count);
if (unlikely(count > recvd))
goto out_cheating;
-
out:
- xdr_read_pages(xdr, count);
result->eof = eof;
result->count = count;
return count;
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
error = decode_wcc_data(xdr, result->dir_attr);
if (unlikely(error))
goto out;
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/**
*/
static int decode_dirlist3(struct xdr_stream *xdr)
{
- u32 recvd, pglen;
- size_t hdrlen;
-
- pglen = xdr->buf->page_len;
- hdrlen = (u8 *)xdr->p - (u8 *)xdr->iov->iov_base;
- recvd = xdr->buf->len - hdrlen;
- if (unlikely(pglen > recvd))
- goto out_cheating;
-out:
- xdr_read_pages(xdr, pglen);
- return pglen;
-out_cheating:
- dprintk("NFS: server cheating in readdir result: "
- "pglen %u > recvd %u\n", pglen, recvd);
- pglen = recvd;
- goto out;
+ return xdr_read_pages(xdr, xdr->buf->page_len);
}
static int decode_readdir3resok(struct xdr_stream *xdr,
error = decode_post_op_attr(xdr, result->dir_attr);
if (unlikely(error))
goto out;
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
*/
static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req,
struct xdr_stream *xdr,
- struct nfs_writeres *result)
+ struct nfs_commitres *result)
{
enum nfs_stat status;
int error;
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
#ifdef CONFIG_NFS_V3_ACL
if (result->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
goto out;
- hdrlen = (u8 *)xdr->p - (u8 *)xdr->iov->iov_base;
+ hdrlen = xdr_stream_pos(xdr);
acl = NULL;
if (result->mask & NFS_ACL)
out:
return error;
out_default:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
static int nfs3_xdr_dec_setacl3res(struct rpc_rqst *req,
out:
return error;
out_default:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
#endif /* CONFIG_NFS_V3_ACL */
+
+/*
+ * We need to translate between nfs status return values and
+ * the local errno values which may not be the same.
+ */
+static const struct {
+ int stat;
+ int errno;
+} nfs_errtbl[] = {
+ { NFS_OK, 0 },
+ { NFSERR_PERM, -EPERM },
+ { NFSERR_NOENT, -ENOENT },
+ { NFSERR_IO, -errno_NFSERR_IO},
+ { NFSERR_NXIO, -ENXIO },
+/* { NFSERR_EAGAIN, -EAGAIN }, */
+ { NFSERR_ACCES, -EACCES },
+ { NFSERR_EXIST, -EEXIST },
+ { NFSERR_XDEV, -EXDEV },
+ { 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 },
+ { NFSERR_DQUOT, -EDQUOT },
+ { NFSERR_STALE, -ESTALE },
+ { NFSERR_REMOTE, -EREMOTE },
+#ifdef EWFLUSH
+ { NFSERR_WFLUSH, -EWFLUSH },
+#endif
+ { NFSERR_BADHANDLE, -EBADHANDLE },
+ { NFSERR_NOT_SYNC, -ENOTSYNC },
+ { NFSERR_BAD_COOKIE, -EBADCOOKIE },
+ { NFSERR_NOTSUPP, -ENOTSUPP },
+ { NFSERR_TOOSMALL, -ETOOSMALL },
+ { NFSERR_SERVERFAULT, -EREMOTEIO },
+ { NFSERR_BADTYPE, -EBADTYPE },
+ { NFSERR_JUKEBOX, -EJUKEBOX },
+ { -1, -EIO }
+};
+
+/**
+ * nfs3_stat_to_errno - convert an NFS status code to a local errno
+ * @status: NFS status code to convert
+ *
+ * Returns a local errno value, or -EIO if the NFS status code is
+ * not recognized. This function is used jointly by NFSv2 and NFSv3.
+ */
+static int nfs3_stat_to_errno(enum nfs_stat status)
+{
+ int i;
+
+ for (i = 0; nfs_errtbl[i].stat != -1; i++) {
+ if (nfs_errtbl[i].stat == (int)status)
+ return nfs_errtbl[i].errno;
+ }
+ dprintk("NFS: Unrecognized nfs status value: %u\n", status);
+ return nfs_errtbl[i].errno;
+}
+
+
#define PROC(proc, argtype, restype, timer) \
[NFS3PROC_##proc] = { \
.p_proc = NFS3PROC_##proc, \
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