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File _service:tar_scm:block-backend-Stop-retrying-when-draining.patch of Package qemu
From bbac66be575c76216c18d68c558e0dc80a078f68 Mon Sep 17 00:00:00 2001 From: Jiahui Cen <cenjiahui@huawei.com> Date: Thu, 25 Feb 2021 18:03:57 +0800 Subject: [PATCH] block-backend: Stop retrying when draining Retrying failed requests when draining would make the draining hung. So it is better not to trigger the retry timer when draining. And after the virtual devices go back to work, they would retry those queued requests. Signed-off-by: Jiahui Cen <cenjiahui@huawei.com> Signed-off-by: Ying Fang <fangying1@huawei.com> Signed-off-by: Alex Chen <alex.chen@huawei.com> --- block/block-backend.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/block/block-backend.c b/block/block-backend.c index 85d732de7e..bfbbb18af1 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -2261,9 +2261,11 @@ void blk_error_action(BlockBackend *blk, BlockErrorAction action, 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); + if (!blk->quiesce_counter) { + 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
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