Re: [PATCH V2] scsi: put hot fields of scsi_host_template into one cacheline

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To: Ming Lei <ming.lei@xxxxxxxxxx>, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, "Martin K . Petersen" <martin.petersen@xxxxxxxxxx>
Subject: Re: [PATCH V2] scsi: put hot fields of scsi_host_template into one cacheline
From: Bart Van Assche <bvanassche@xxxxxxx>
Date: Wed, 22 Apr 2020 07:36:23 -0700
Cc: Christoph Hellwig <hch@xxxxxx>, John Garry <john.garry@xxxxxxxxxx>
In-reply-to: <20200422095425.319674-1-ming.lei@redhat.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0

On 4/22/20 2:54 AM, Ming Lei wrote:

The following three fields of scsi_host_template are referenced in
scsi IO submission path, so put them together into one cacheline:

- cmd_size
- queuecommand
- commit_rqs


Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>

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References:
- [PATCH V2] scsi: put hot fields of scsi_host_template into one cacheline
  - From: Ming Lei

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