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path: root/fs/nfs/nfs3xdr.c
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Diffstat (limited to 'fs/nfs/nfs3xdr.c')
-rw-r--r--fs/nfs/nfs3xdr.c112
1 files changed, 91 insertions, 21 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index a77cc9a3ce55..902de489ec9b 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -86,6 +86,8 @@
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
*/
@@ -675,6 +677,7 @@ static int decode_fattr3(struct xdr_stream *xdr, struct nfs_fattr *fattr)
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;
@@ -725,12 +728,14 @@ static int decode_wcc_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr)
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:
@@ -1287,7 +1292,7 @@ static void nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req,
* };
*/
static void encode_commit3args(struct xdr_stream *xdr,
- const struct nfs_writeargs *args)
+ const struct nfs_commitargs *args)
{
__be32 *p;
@@ -1300,7 +1305,7 @@ static void encode_commit3args(struct xdr_stream *xdr,
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);
}
@@ -1385,7 +1390,7 @@ static int nfs3_xdr_dec_getattr3res(struct rpc_rqst *req,
out:
return error;
out_default:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -1424,7 +1429,7 @@ static int nfs3_xdr_dec_setattr3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -1472,7 +1477,7 @@ out_default:
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);
}
/*
@@ -1513,7 +1518,7 @@ static int nfs3_xdr_dec_access3res(struct rpc_rqst *req,
out:
return error;
out_default:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -1554,7 +1559,7 @@ static int nfs3_xdr_dec_readlink3res(struct rpc_rqst *req,
out:
return error;
out_default:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -1636,7 +1641,7 @@ static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -1706,7 +1711,7 @@ static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, struct xdr_stream *xdr,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -1770,7 +1775,7 @@ out_default:
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);
}
/*
@@ -1809,7 +1814,7 @@ static int nfs3_xdr_dec_remove3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -1853,7 +1858,7 @@ static int nfs3_xdr_dec_rename3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -1896,7 +1901,7 @@ static int nfs3_xdr_dec_link3res(struct rpc_rqst *req, struct xdr_stream *xdr,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/**
@@ -2088,7 +2093,7 @@ out_default:
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);
}
/*
@@ -2156,7 +2161,7 @@ static int nfs3_xdr_dec_fsstat3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -2232,7 +2237,7 @@ static int nfs3_xdr_dec_fsinfo3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -2295,7 +2300,7 @@ static int nfs3_xdr_dec_pathconf3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
/*
@@ -2319,7 +2324,7 @@ out_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;
@@ -2336,7 +2341,7 @@ static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req,
out:
return error;
out_status:
- return nfs_stat_to_errno(status);
+ return nfs3_stat_to_errno(status);
}
#ifdef CONFIG_NFS_V3_ACL
@@ -2401,7 +2406,7 @@ static int nfs3_xdr_dec_getacl3res(struct rpc_rqst *req,
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,
@@ -2420,11 +2425,76 @@ 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, \
generated by cgit (git 2.34.1) at 2024-05-21 20:02:21 +0000