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authorShehjar Tikoo <shehjart@gluster.com>2010-05-07 01:53:10 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-05-08 06:37:38 -0700
commit79f8c310dfa52c035e41e46daa25ccf0419bea27 (patch)
treebf463524f3aca4488d7f53fbee322b9612c62eb5 /xlators/nfs/lib
parentc1f052da3652595effee1e514b1e9fb9055e13a1 (diff)
rpcsvc: Support multiple vectors during reply submission
RPC reply path allows attaching a single iovec to a reply. This limits the replies for certain program ops which need to return multiple vectors for eg, the NFSv3 read reply. 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
Diffstat (limited to 'xlators/nfs/lib')
-rw-r--r--xlators/nfs/lib/src/rpcsvc.c27
-rw-r--r--xlators/nfs/lib/src/rpcsvc.h4
2 files changed, 30 insertions, 1 deletions
diff --git a/xlators/nfs/lib/src/rpcsvc.c b/xlators/nfs/lib/src/rpcsvc.c
index bcb8af652..4ea008b88 100644
--- a/xlators/nfs/lib/src/rpcsvc.c
+++ b/xlators/nfs/lib/src/rpcsvc.c
@@ -1647,6 +1647,33 @@ rpcsvc_request_attach_vector (rpcsvc_request_t *req, struct iovec msgvec,
int
+rpcsvc_request_attach_vectors (rpcsvc_request_t *req, struct iovec *payload,
+ int vcount, struct iobref *piobref)
+{
+ int c = 0;
+ int ret = -1;
+
+ for (;c < (vcount-1); c++) {
+ ret = rpcsvc_request_attach_vector (req, payload[c], NULL,
+ piobref, 0);
+ if (ret < 0) {
+ gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to attach "
+ "vector");
+ goto out;
+ }
+ }
+
+ ret = rpcsvc_request_attach_vector (req, payload[vcount-1], NULL,
+ piobref, 1);
+ if (ret < 0)
+ gf_log (GF_RPCSVC, GF_LOG_ERROR, "Failed to attach final vec");
+
+out:
+ return ret;
+}
+
+
+int
rpcsvc_submit_vectors (rpcsvc_request_t *req)
{
int ret = -1;
diff --git a/xlators/nfs/lib/src/rpcsvc.h b/xlators/nfs/lib/src/rpcsvc.h
index 6e6dc9bc9..cea55746c 100644
--- a/xlators/nfs/lib/src/rpcsvc.h
+++ b/xlators/nfs/lib/src/rpcsvc.h
@@ -643,7 +643,9 @@ extern int rpcsvc_submit_vectors (rpcsvc_request_t *req);
extern int rpcsvc_request_attach_vector (rpcsvc_request_t *req,
struct iovec msgvec, struct iobuf *iob,
struct iobref *ioref, int finalvector);
-
+extern int
+rpcsvc_request_attach_vectors (rpcsvc_request_t *req, struct iovec *payload,
+ int vcount, struct iobref *piobref);
typedef int (*auth_init_conn) (rpcsvc_conn_t *conn, void *priv);
typedef int (*auth_init_request) (rpcsvc_request_t *req, void *priv);