From 9d5a64343925a152e1907c652a0d71d6640868b3 Mon Sep 17 00:00:00 2001
From: Chuck Lever <chuck.lever@oracle.com>
Date: Tue, 14 Dec 2010 14:56:20 +0000
Subject: [PATCH] NFS: Update xdr_encode_foo() functions that we're keeping

Clean up.  Move the timestamp and the sattr encoder to match the
placement convention of the other helpers, update their coding style,
and refresh their documenting comments.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
 fs/nfs/nfs3xdr.c | 111 +++++++++++++++++++++++------------------------
 1 file changed, 55 insertions(+), 56 deletions(-)

diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index b0af263e4db9..119844d0b4d5 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -166,14 +166,6 @@ xdr_decode_fhandle_stream(struct xdr_stream *xdr, struct nfs_fh *fh)
 /*
  * Encode/decode time.
  */
-static inline __be32 *
-xdr_encode_time3(__be32 *p, const struct timespec *timep)
-{
-	*p++ = htonl(timep->tv_sec);
-	*p++ = htonl(timep->tv_nsec);
-	return p;
-}
-
 static inline __be32 *
 xdr_decode_time3(__be32 *p, struct timespec *timep)
 {
@@ -218,52 +210,6 @@ xdr_decode_fattr(__be32 *p, struct nfs_fattr *fattr)
 	return p;
 }
 
-static inline __be32 *
-xdr_encode_sattr(__be32 *p, const struct iattr *attr)
-{
-	if (attr->ia_valid & ATTR_MODE) {
-		*p++ = xdr_one;
-		*p++ = htonl(attr->ia_mode & S_IALLUGO);
-	} else {
-		*p++ = xdr_zero;
-	}
-	if (attr->ia_valid & ATTR_UID) {
-		*p++ = xdr_one;
-		*p++ = htonl(attr->ia_uid);
-	} else {
-		*p++ = xdr_zero;
-	}
-	if (attr->ia_valid & ATTR_GID) {
-		*p++ = xdr_one;
-		*p++ = htonl(attr->ia_gid);
-	} else {
-		*p++ = xdr_zero;
-	}
-	if (attr->ia_valid & ATTR_SIZE) {
-		*p++ = xdr_one;
-		p = xdr_encode_hyper(p, (__u64) attr->ia_size);
-	} else {
-		*p++ = xdr_zero;
-	}
-	if (attr->ia_valid & ATTR_ATIME_SET) {
-		*p++ = xdr_two;
-		p = xdr_encode_time3(p, &attr->ia_atime);
-	} else if (attr->ia_valid & ATTR_ATIME) {
-		*p++ = xdr_one;
-	} else {
-		*p++ = xdr_zero;
-	}
-	if (attr->ia_valid & ATTR_MTIME_SET) {
-		*p++ = xdr_two;
-		p = xdr_encode_time3(p, &attr->ia_mtime);
-	} else if (attr->ia_valid & ATTR_MTIME) {
-		*p++ = xdr_one;
-	} else {
-		*p++ = xdr_zero;
-	}
-	return p;
-}
-
 static inline __be32 *
 xdr_decode_wcc_attr(__be32 *p, struct nfs_fattr *fattr)
 {
@@ -452,6 +398,21 @@ static void encode_nfs_fh3(struct xdr_stream *xdr, const struct nfs_fh *fh)
 	xdr_encode_opaque(p, fh->data, fh->size);
 }
 
+/*
+ * nfstime3
+ *
+ *	struct nfstime3 {
+ *		uint32	seconds;
+ *		uint32	nseconds;
+ *	};
+ */
+static __be32 *xdr_encode_nfstime3(__be32 *p, const struct timespec *timep)
+{
+	*p++ = cpu_to_be32(timep->tv_sec);
+	*p++ = cpu_to_be32(timep->tv_nsec);
+	return p;
+}
+
 /*
  * sattr3
  *
@@ -538,7 +499,45 @@ static void encode_sattr3(struct xdr_stream *xdr, const struct iattr *attr)
 		nbytes += 8;
 	p = xdr_reserve_space(xdr, nbytes);
 
-	xdr_encode_sattr(p, attr);
+	if (attr->ia_valid & ATTR_MODE) {
+		*p++ = xdr_one;
+		*p++ = cpu_to_be32(attr->ia_mode & S_IALLUGO);
+	} else
+		*p++ = xdr_zero;
+
+	if (attr->ia_valid & ATTR_UID) {
+		*p++ = xdr_one;
+		*p++ = cpu_to_be32(attr->ia_uid);
+	} else
+		*p++ = xdr_zero;
+
+	if (attr->ia_valid & ATTR_GID) {
+		*p++ = xdr_one;
+		*p++ = cpu_to_be32(attr->ia_gid);
+	} else
+		*p++ = xdr_zero;
+
+	if (attr->ia_valid & ATTR_SIZE) {
+		*p++ = xdr_one;
+		p = xdr_encode_hyper(p, (u64)attr->ia_size);
+	} else
+		*p++ = xdr_zero;
+
+	if (attr->ia_valid & ATTR_ATIME_SET) {
+		*p++ = xdr_two;
+		p = xdr_encode_nfstime3(p, &attr->ia_atime);
+	} else if (attr->ia_valid & ATTR_ATIME) {
+		*p++ = xdr_one;
+	} else
+		*p++ = xdr_zero;
+
+	if (attr->ia_valid & ATTR_MTIME_SET) {
+		*p++ = xdr_two;
+		xdr_encode_nfstime3(p, &attr->ia_mtime);
+	} else if (attr->ia_valid & ATTR_MTIME) {
+		*p = xdr_one;
+	} else
+		*p = xdr_zero;
 }
 
 /*
@@ -605,7 +604,7 @@ static void encode_sattrguard3(struct xdr_stream *xdr,
 	if (args->guard) {
 		p = xdr_reserve_space(xdr, 4 + 8);
 		*p++ = xdr_one;
-		xdr_encode_time3(p, &args->guardtime);
+		xdr_encode_nfstime3(p, &args->guardtime);
 	} else {
 		p = xdr_reserve_space(xdr, 4);
 		*p = xdr_zero;