rpcsvc: Move xdr round up functions to rpc code

Signed-off-by: Shehjar Tikoo <shehjart@dev.gluster.com>
Signed-off-by: Shehjar Tikoo <shehjart@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 902 (iozone hangs during random read throughput test)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=902

1 files changed, 34 insertions, 0 deletions

diff --git a/xlators/nfs/lib/src/xdr-rpc.c b/xlators/nfs/lib/src/xdr-rpc.c
index ac0f8afd384..5f8521ff382 100644
--- a/xlators/nfs/lib/src/xdr-rpc.c
+++ b/xlators/nfs/lib/src/xdr-rpc.c
@@ -188,3 +188,37 @@ xdr_to_auth_unix_cred (char *msgbuf, int msglen, struct authunix_parms *au,
         return 0;
 }
 
+ssize_t
+xdr_length_round_up (size_t len, size_t bufsize)
+{
+        int     roundup = 0;
+
+        roundup = len % XDR_BYTES_PER_UNIT;
+        if (roundup > 0)
+                roundup = XDR_BYTES_PER_UNIT - roundup;
+
+        if ((roundup > 0) && ((roundup + len) <= bufsize))
+                len += roundup;
+
+        return len;
+}
+
+int
+xdr_bytes_round_up (struct iovec *vec, size_t bufsize)
+{
+        vec->iov_len = xdr_length_round_up (vec->iov_len, bufsize);
+        return 0;
+}
+
+void
+xdr_vector_round_up (struct iovec *vec, int vcount, uint32_t count)
+{
+        uint32_t round_count = 0;
+
+        round_count = xdr_length_round_up (count, 1048576);
+        round_count -= count;
+        if (round_count == 0)
+                return;
+
+        vec[vcount-1].iov_len += round_count;
+}