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nvmet: make nvmet_wq unbound

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When deleting many controllers one-by-one, it takes a very
long time as these work elements may serialize as they are
scheduled on the executing cpu instead of spreading. In general
nvmet_wq can definitely be used for long standing work elements
so its better to make it unbound regardless.

Signed-off-by: Sagi Grimberg <sagi.grimberg@vastdata.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Sagi Grimberg
2024-05-07 09:54:10 +03:00
committed by Keith Busch
parent 4b9a89be21
commit 34cfb09cdc
1 changed files with 2 additions and 1 deletions
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3
drivers/nvme/target/core.c
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@@ -1686,7 +1686,8 @@ static int __init nvmet_init(void)
if (!buffered_io_wq)
goto out_free_zbd_work_queue;
nvmet_wq = alloc_workqueue("nvmet-wq", WQ_MEM_RECLAIM, 0);
nvmet_wq = alloc_workqueue("nvmet-wq",
WQ_MEM_RECLAIM | WQ_UNBOUND, 0);
if (!nvmet_wq)
goto out_free_buffered_work_queue;