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[PATCH 5/7] block/nvme: clarify that free_req_queue is protected by q->l
From: |
Stefan Hajnoczi |
Subject: |
[PATCH 5/7] block/nvme: clarify that free_req_queue is protected by q->lock |
Date: |
Tue, 19 May 2020 18:11:36 +0100 |
Existing users access free_req_queue under q->lock. Document this.
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block/nvme.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/nvme.c b/block/nvme.c
index 3ad4f27e1c..e32bff26ff 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -57,7 +57,6 @@ typedef struct {
} NVMeRequest;
typedef struct {
- CoQueue free_req_queue;
QemuMutex lock;
/* Fields protected by BQL */
@@ -65,6 +64,7 @@ typedef struct {
uint8_t *prp_list_pages;
/* Fields protected by @lock */
+ CoQueue free_req_queue;
NVMeQueue sq, cq;
int cq_phase;
int free_req_head;
--
2.25.3