From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Steffen Maier <maier@linux.ibm.com>,
Bart Van Assche <bvanassche@acm.org>,
Christoph Hellwig <hch@lst.de>, Dexuan Cui <decui@microsoft.com>,
Hannes Reinecke <hare@suse.de>
Subject: Re: [PATCH V2] scsi: avoid to run synchronize_rcu for each device in scsi_host_block
Date: Fri, 24 Apr 2020 14:12:27 -0400 [thread overview]
Message-ID: <yq1r1wcda7o.fsf@oracle.com> (raw)
In-Reply-To: <20200423020713.332743-1-ming.lei@redhat.com> (Ming Lei's message of "Thu, 23 Apr 2020 10:07:13 +0800")
Ming,
> scsi_host_block() calls scsi_internal_device_block() for each
> scsi_device, and scsi_internal_device_block() calls
> blk_mq_quiesce_queue() for each LUN. However synchronize_rcu is
> run from blk_mq_quiesce_queue().
Applied to 5.8/scsi-queue, thank you!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2020-04-24 18:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-23 2:07 [PATCH V2] scsi: avoid to run synchronize_rcu for each device in scsi_host_block Ming Lei
2020-04-23 5:41 ` Hannes Reinecke
2020-04-24 6:47 ` Christoph Hellwig
2020-04-24 18:12 ` Martin K. Petersen [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=yq1r1wcda7o.fsf@oracle.com \
--to=martin.petersen@oracle.com \
--cc=James.Bottomley@HansenPartnership.com \
--cc=bvanassche@acm.org \
--cc=decui@microsoft.com \
--cc=hare@suse.de \
--cc=hch@lst.de \
--cc=linux-scsi@vger.kernel.org \
--cc=maier@linux.ibm.com \
--cc=ming.lei@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.