Re: [RESEND PATCH 5/5] loop: add module parameter of 'nr_hw_queues'

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [RESEND PATCH 5/5] loop: add module parameter of 'nr_hw_queues'
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 10 Mar 2025 12:15:44 +0100
Cc: Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx
In-reply-to: <20250308162312.1640828-6-ming.lei@redhat.com>
References: <20250308162312.1640828-1-ming.lei@redhat.com> <20250308162312.1640828-6-ming.lei@redhat.com>

On Sun, Mar 09, 2025 at 12:23:09AM +0800, Ming Lei wrote:
> Add module parameter of 'nr_hw_queues' so that loop can support MQ,
> which may reduce contention in case of too many io jobs.

More details, please.  Also a module parameter is a really bad
interface - this needs to be per-device and have a good default.

References:
- [RESEND PATCH 0/5] loop: improve loop aio perf by IOCB_NOWAIT
  - From: Ming Lei
- [RESEND PATCH 5/5] loop: add module parameter of 'nr_hw_queues'
  - From: Ming Lei

Prev by Date: Re: [RESEND PATCH 4/5] loop: try to handle loop aio command via NOWAIT IO first
Next by Date: Re: [PATCH] the dm-loop target
Previous by thread: [RESEND PATCH 5/5] loop: add module parameter of 'nr_hw_queues'
Next by thread: [PATCH v2 0/5] rust: reduce pointer casts, enable related lints
Index(es):
- Date
- Thread

[Index of Archives] [Linux RAID] [Linux SCSI] [Linux ATA RAID] [IDE] [Linux Wireless] [Linux Kernel] [ATH6KL] [Linux Bluetooth] [Linux Netdev] [Kernel Newbies] [Security] [Git] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Device Mapper]

Powered by Linux