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From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
To: qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, vsementsov@virtuozzo.com,
	hreitz@redhat.com, kwolf@redhat.com
Subject: [PATCH v7 02/11] block/reqlist: add reqlist_new_req() and reqlist_free_req()
Date: Sat,  4 Sep 2021 19:24:19 +0300	[thread overview]
Message-ID: <20210904162428.222008-3-vsementsov@virtuozzo.com> (raw)
In-Reply-To: <20210904162428.222008-1-vsementsov@virtuozzo.com>

Add convenient helpers for heap allocation of requests.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 include/block/reqlist.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/block/reqlist.h b/include/block/reqlist.h
index b904d80216..32dc87666f 100644
--- a/include/block/reqlist.h
+++ b/include/block/reqlist.h
@@ -64,4 +64,24 @@ void coroutine_fn reqlist_shrink_req(BlockReq *req, int64_t new_bytes);
  */
 void coroutine_fn reqlist_remove_req(BlockReq *req);
 
+/* Allocate, initialize and add to the list new request. */
+static inline BlockReq *reqlist_new_req(BlockReqList *reqs, uint64_t offset,
+                                        uint64_t bytes)
+{
+    BlockReq *req = g_new(BlockReq, 1);
+
+    reqlist_init_req(reqs, req, offset, bytes);
+
+    return req;
+}
+
+/* Remove request and g_free it. */
+static inline void reqlist_free_req(BlockReq *req)
+{
+    if (req) {
+        reqlist_remove_req(req);
+        g_free(req);
+    }
+}
+
 #endif /* REQLIST_H */
-- 
2.29.2



  parent reply	other threads:[~2021-09-04 16:27 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-04 16:24 [PATCH v7 00/11] qcow2: fix parallel rewrite and discard (reqlist) Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 01/11] block/reqlist: drop extra assertion Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` Vladimir Sementsov-Ogievskiy [this message]
2021-09-04 16:24 ` [PATCH v7 03/11] iotests: add qcow2-discard-during-rewrite Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 04/11] qcow2: introduce qcow2_parse_compressed_cluster_descriptor() Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 05/11] qcow2: refactor qcow2_co_preadv_task() to have one return Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 06/11] qcow2: prepare for tracking guest io requests in data_file Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 07/11] qcow2: track " Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 08/11] qcow2: introduce is_cluster_free() helper Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 09/11] qcow2: don't reallocate host clusters under guest operation Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 10/11] block/reqlist: implement reqlist_mark_req_invalid() Vladimir Sementsov-Ogievskiy
2021-09-04 16:24 ` [PATCH v7 11/11] qcow2: use reqlist_mark_req_invalid() Vladimir Sementsov-Ogievskiy
2021-09-22  8:24 ` [PATCH v7 00/11] qcow2: fix parallel rewrite and discard (reqlist) Vladimir Sementsov-Ogievskiy

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