Commit a5db74f3 authored Jun 17, 2020 by Stefan Hajnoczi

block/nvme: clarify that free_req_queue is protected by q->lock



Existing users access free_req_queue under q->lock. Document this.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200617132201.1832152-6-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

parent 1086e95d

block/nvme.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;