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nvme-rdma: handle nvme_rdma_post_send failures better

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nvme_rdma_post_send failing is a path related error and should bounce
to another path when using nvme-multipath.  Call nvme_host_path_error
when nvme_rdma_post_send returns -EIO to ensure nvme_complete_rq gets
invoked to fail over to another path if there is one.

Signed-off-by: Chao Leng <lengchao@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Chao Leng 2021-02-01 11:49:40 +08:00 committed by Christoph Hellwig
parent ea5e5f42cd
commit 62eca39722
1 changed files with 3 additions and 1 deletions
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4
drivers/nvme/host/rdma.c
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@ -2098,7 +2098,9 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx,
err_unmap: err_unmap:
nvme_rdma_unmap_data(queue, rq); nvme_rdma_unmap_data(queue, rq);
err: err:
if (err == -ENOMEM || err == -EAGAIN) if (err == -EIO)
ret = nvme_host_path_error(rq);
else if (err == -ENOMEM || err == -EAGAIN)
ret = BLK_STS_RESOURCE; ret = BLK_STS_RESOURCE;
else else
ret = BLK_STS_IOERR; ret = BLK_STS_IOERR;