updated performance/io-cache with new readv writev prototypes

Signed-off-by: Anand V. Avati <avati@amp.gluster.com>

3 files changed, 41 insertions, 34 deletions

diff --git a/xlators/performance/io-cache/src/io-cache.c b/xlators/performance/io-cache/src/io-cache.c
index 4d5ffe292..9d6f35806 100644
--- a/xlators/performance/io-cache/src/io-cache.c
+++ b/xlators/performance/io-cache/src/io-cache.c
@@ -200,10 +200,8 @@ ioc_lookup_cbk (call_frame_t *frame,
 	ioc_local_t *local = frame->local;
 	ioc_table_t *table = this->private;
 	ioc_page_t  *page = NULL;
-	data_t      *page_data = NULL;
 	data_t      *content_data = NULL;
 	char        *src = NULL;
-	char        *dst = NULL;
 	char         need_unref = 0;
 	uint8_t      cache_still_valid = 0;
 	uint32_t     weight = 0;
@@ -211,6 +209,8 @@ ioc_lookup_cbk (call_frame_t *frame,
 	char        *buf = NULL;
 	char        *tmp = NULL;
 	int          i;
+        struct iobref *iobref = NULL;
+        struct iobuf  *iobuf = NULL;
 	
 	if (op_ret != 0) 
 		goto out;
@@ -257,7 +257,7 @@ ioc_lookup_cbk (call_frame_t *frame,
 			
 			if (content_data) {
 				if (page) {
-					dict_unref (page->ref);
+					iobref_unref (page->iobref);
 					free (page->vector);
 					page->vector = NULL;
 					
@@ -270,19 +270,18 @@ ioc_lookup_cbk (call_frame_t *frame,
 				} else {
 					page = ioc_page_create (ioc_inode, 0);
 				}
-				
-				dst = CALLOC (1, stbuf->st_size);
-				page->ref = dict_ref (get_new_dict ());
-				page_data = data_from_dynptr (dst, 
-							      stbuf->st_size);
-				dict_set (page->ref, NULL, page_data);
-				
+
 				src = data_to_ptr (content_data);
-				memcpy (dst, src, stbuf->st_size);
+
+                                iobuf = iobuf_get (this->ctx->iobuf_pool);
+				page->iobref = iobref_new ();
+                                iobref_add (page->iobref, iobuf);
+				
+				memcpy (iobuf->ptr, src, stbuf->st_size);
 
 				page->vector = CALLOC (1, 
 						       sizeof (*page->vector));
-				page->vector->iov_base = dst;
+				page->vector->iov_base = iobuf->ptr;
 				page->vector->iov_len = stbuf->st_size;
 				page->count = 1;
       
@@ -351,6 +350,11 @@ ioc_lookup_cbk (call_frame_t *frame,
 		dict_unref (dict);
 	}
 
+        if (iobref)
+                iobref_unref (iobref);
+        if (iobuf)
+                iobuf_unref (iobuf);
+
 	return 0;
 }
 
@@ -834,9 +838,10 @@ ioc_readv_disabled_cbk (call_frame_t *frame,
 			int32_t op_errno,
 			struct iovec *vector,
 			int32_t count,
-			struct stat *stbuf)
+			struct stat *stbuf,
+                        struct iobref *iobref)
 {
-	STACK_UNWIND (frame, op_ret, op_errno, vector, count, stbuf);
+	STACK_UNWIND (frame, op_ret, op_errno, vector, count, stbuf, iobref);
 	return 0;
 }
 
@@ -1104,7 +1109,8 @@ ioc_writev (call_frame_t *frame,
 	    fd_t *fd,
 	    struct iovec *vector,
 	    int32_t count,
-	    off_t offset)
+	    off_t offset,
+            struct iobref *iobref)
 {
 	ioc_local_t *local     = NULL;
 	uint64_t     ioc_inode = 0;
@@ -1127,7 +1133,8 @@ ioc_writev (call_frame_t *frame,
 		    fd,
 		    vector,
 		    count,
-		    offset);
+		    offset,
+                    iobref);
 
 	return 0;
 }
diff --git a/xlators/performance/io-cache/src/io-cache.h b/xlators/performance/io-cache/src/io-cache.h
index 3cefca164..ffa7d7dcd 100644
--- a/xlators/performance/io-cache/src/io-cache.h
+++ b/xlators/performance/io-cache/src/io-cache.h
@@ -75,7 +75,7 @@ struct ioc_fill {
 	size_t size;           
 	struct iovec *vector;  
 	int32_t count;
-	dict_t *refs;
+	struct iobref *iobref;
 };
 
 struct ioc_local {
@@ -115,7 +115,7 @@ struct ioc_page {
 	off_t offset;
 	size_t size;
 	struct ioc_waitq *waitq;
-	dict_t *ref;
+	struct iobref *iobref;
 	pthread_mutex_t page_lock;
 };
 
@@ -169,7 +169,8 @@ ioc_readv_disabled_cbk (call_frame_t *frame,
 			int32_t op_errno,
 			struct iovec *vector,
 			int32_t count,
-			struct stat *stbuf);
+			struct stat *stbuf,
+                        struct iobref *iobref);
 
 ioc_page_t *
 ioc_page_get (ioc_inode_t *ioc_inode,
diff --git a/xlators/performance/io-cache/src/page.c b/xlators/performance/io-cache/src/page.c
index 1acda2ce6..98897b7d9 100644
--- a/xlators/performance/io-cache/src/page.c
+++ b/xlators/performance/io-cache/src/page.c
@@ -90,7 +90,7 @@ ioc_page_destroy (ioc_page_t *page)
 			page, page->offset, page->inode);
     
 		if (page->vector){
-			dict_unref (page->ref);
+			iobref_unref (page->iobref);
 			free (page->vector);
 			page->vector = NULL;
 		}
@@ -323,7 +323,8 @@ ioc_fault_cbk (call_frame_t *frame,
 	       int32_t op_errno,
 	       struct iovec *vector,
 	       int32_t count,
-	       struct stat *stbuf)
+	       struct stat *stbuf,
+               struct iobref *iobref)
 {
 	ioc_local_t *local = frame->local;
 	off_t offset = local->pending_offset;
@@ -374,7 +375,7 @@ ioc_fault_cbk (call_frame_t *frame,
 					table->page_size, ioc_inode);
 			} else {
 				if (page->vector) {
-					dict_unref (page->ref);
+					iobref_unref (page->iobref);
 					free (page->vector);
 					page->vector = NULL;
 				}
@@ -382,9 +383,8 @@ ioc_fault_cbk (call_frame_t *frame,
 				/* keep a copy of the page for our cache */
 				page->vector = iov_dup (vector, count);
 				page->count = count;
-				if (frame->root->rsp_refs) {
-					dict_ref (frame->root->rsp_refs);
-					page->ref = frame->root->rsp_refs;
+				if (iobref) {
+					page->iobref = iobref_ref (iobref);
 				} else {
 					/* TODO: we have got a response to 
 					 * our request and no data */
@@ -543,7 +543,7 @@ ioc_frame_fill (ioc_page_t *page,
 			ERR_ABORT (new);
 			new->offset = page->offset;
 			new->size = copy_size;
-			new->refs = dict_ref (page->ref);
+			new->iobref = iobref_ref (page->iobref);
 			new->count = iov_subset (page->vector,
 						 page->count,
 						 src_offset,
@@ -609,12 +609,12 @@ ioc_frame_unwind (call_frame_t *frame)
 	int32_t count = 0;
 	struct iovec *vector = NULL;
 	int32_t copied = 0;
-	dict_t *refs = NULL;
+	struct iobref *iobref = NULL;
 	struct stat stbuf = {0,};
 	int32_t op_ret = 0;
 
 	//  ioc_local_lock (local);
-	refs = get_new_dict ();
+	iobref = iobref_new ();
 
 	frame->local = NULL;
 
@@ -639,16 +639,14 @@ ioc_frame_unwind (call_frame_t *frame)
     
 		copied += (fill->count * sizeof (*vector));
 
-		dict_copy (fill->refs, refs);
+		iobref_merge (iobref, fill->iobref);
 
 		list_del (&fill->list);
-		dict_unref (fill->refs);
+		iobref_unref (fill->iobref);
 		free (fill->vector);
 		free (fill);
 	}
   
-	frame->root->rsp_refs = dict_ref (refs);
-  
 	op_ret = iov_length (vector, count);
 	gf_log (frame->this->name, GF_LOG_DEBUG,
 		"frame(%p) unwinding with op_ret=%d", frame, op_ret);
@@ -660,9 +658,10 @@ ioc_frame_unwind (call_frame_t *frame)
 		      local->op_errno,
 		      vector,
 		      count,
-		      &stbuf);
+		      &stbuf,
+                      iobref);
 
-	dict_unref (refs);
+	iobref_unref (iobref);
     
 	pthread_mutex_destroy (&local->local_lock);
 	free (local);