computing-offload/generic_vdpa/qemu/block-backend-Enable-retry-action-on-errors.patch
jiangdongxu 79c4324644 add generic_vdpa basecode
Change-Id: I2d302dda68298877c65c99147f5bf22186a59aac
2024-09-19 17:19:46 +08:00

44 lines
1.7 KiB
Diff

From 2e1c75e5a0339d2bf417e5a4437d8e627a303286 Mon Sep 17 00:00:00 2001
From: Jiahui Cen <cenjiahui@huawei.com>
Date: Thu, 21 Jan 2021 15:46:48 +0800
Subject: [PATCH 4/7] block-backend: Enable retry action on errors
Enable retry action when backend's retry timer is available. It would
trigger the timer to do device specific retry action.
Signed-off-by: Jiahui Cen <cenjiahui(a)huawei.com>
Signed-off-by: Ying Fang <fangying1(a)huawei.com>
Signed-off-by: Alex Chen <alex.chen@huawei.com>
---
block/block-backend.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/block/block-backend.c b/block/block-backend.c
index 24003adf0b..5a016d32fa 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1793,6 +1793,9 @@ BlockErrorAction blk_get_error_action(BlockBackend *blk, bool is_read,
return BLOCK_ERROR_ACTION_REPORT;
case BLOCKDEV_ON_ERROR_IGNORE:
return BLOCK_ERROR_ACTION_IGNORE;
+ case BLOCKDEV_ON_ERROR_RETRY:
+ return (blk->retry_timer) ?
+ BLOCK_ERROR_ACTION_RETRY : BLOCK_ERROR_ACTION_REPORT;
case BLOCKDEV_ON_ERROR_AUTO:
default:
abort();
@@ -1840,6 +1843,10 @@ void blk_error_action(BlockBackend *blk, BlockErrorAction action,
qemu_system_vmstop_request_prepare();
send_qmp_error_event(blk, action, is_read, error);
qemu_system_vmstop_request(RUN_STATE_IO_ERROR);
+ } else if (action == BLOCK_ERROR_ACTION_RETRY) {
+ timer_mod(blk->retry_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) +
+ blk->retry_interval);
+ send_qmp_error_event(blk, action, is_read, error);
} else {
send_qmp_error_event(blk, action, is_read, error);
}
--
2.27.0