From: Christoph Hellwig <hch@lst.de>
To: Hannes Reinecke <hare@suse.de>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Christoph Hellwig <hch@lst.de>,
James Bottomley <james.bottomley@hansenpartnership.com>,
Ming Lei <ming.lei@redhat.com>,
Bart van Assche <bvanassche@acm.org>,
John Garry <john.garry@huawei.com>,
linux-scsi@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH 3/8] blk-mq: Use a pointer for sbitmap
Date: Tue, 26 Nov 2019 17:42:58 +0100 [thread overview]
Message-ID: <20191126164258.GA8108@lst.de> (raw)
In-Reply-To: <20191126131009.71726-4-hare@suse.de>
On Tue, Nov 26, 2019 at 02:10:04PM +0100, Hannes Reinecke wrote:
> Instead of allocating the tag bitmap in place we should be using a
> pointer. This is in preparation for shared host-wide bitmaps.
We should is a rather vague statement that needs to be followed up by
an actual reason.
next prev parent reply other threads:[~2019-11-26 16:43 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 13:10 [PATCH RFC v4 0/8] blk-mq/scsi: Provide hostwide shared tags for SCSI HBAs Hannes Reinecke
2019-11-26 13:10 ` [PATCH 1/8] blk-mq: Remove some unused function arguments Hannes Reinecke
2019-11-26 13:10 ` [PATCH 2/8] blk-mq: rename BLK_MQ_F_TAG_SHARED as BLK_MQ_F_TAG_QUEUE_SHARED Hannes Reinecke
2019-11-26 13:10 ` [PATCH 3/8] blk-mq: Use a pointer for sbitmap Hannes Reinecke
2019-11-26 16:42 ` Christoph Hellwig [this message]
2019-11-26 13:10 ` [PATCH 4/8] blk-mq: Facilitate a shared sbitmap per tagset Hannes Reinecke
2019-11-26 13:59 ` John Garry
2019-11-26 14:10 ` Hannes Reinecke
2019-11-27 17:03 ` Bart Van Assche
2019-12-01 14:57 ` [blk] 017e1adde9: BUG:kernel_NULL_pointer_dereference,address kernel test robot
2019-12-01 14:57 ` kernel test robot
2019-12-02 14:15 ` John Garry
2019-12-02 14:15 ` [blk] 017e1adde9: BUG:kernel_NULL_pointer_dereference, address John Garry
2019-11-26 13:10 ` [PATCH 5/8] scsi: Add template flag 'host_tagset' Hannes Reinecke
2019-11-26 13:10 ` [PATCH 6/8] scsi: hisi_sas: Switch v3 hw to MQ Hannes Reinecke
2019-11-26 13:10 ` [PATCH 7/8] smartpqi: enable host tagset Hannes Reinecke
2019-11-26 13:10 ` [PATCH 8/8] hpsa: switch to using blk-mq Hannes Reinecke
2019-11-26 16:43 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2019-11-26 9:14 [PATCH RFC v3 0/8] blk-mq/scsi: Provide hostwide shared tags for SCSI HBAs Hannes Reinecke
2019-11-26 9:14 ` [PATCH 3/8] blk-mq: Use a pointer for sbitmap Hannes Reinecke
2019-11-26 15:14 ` Jens Axboe
2019-11-26 16:54 ` John Garry
2019-11-26 17:11 ` Jens Axboe
2019-11-26 17:23 ` John Garry
2019-11-26 17:25 ` Jens Axboe
2019-11-26 18:08 ` John Garry
2019-11-27 1:46 ` Jens Axboe
2019-11-27 13:05 ` John Garry
2019-11-27 13:12 ` Hannes Reinecke
2019-11-27 14:20 ` Jens Axboe
2019-11-27 14:21 ` Jens Axboe
2019-11-27 14:44 ` John Garry
2019-11-27 16:52 ` Hannes Reinecke
2019-11-27 18:02 ` John Garry
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=20191126164258.GA8108@lst.de \
--to=hch@lst.de \
--cc=bvanassche@acm.org \
--cc=hare@suse.de \
--cc=james.bottomley@hansenpartnership.com \
--cc=john.garry@huawei.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=martin.petersen@oracle.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.