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From: Bart Van Assche <bvanassche@acm.org>
To: "Martin K . Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org, linux-block@vger.kernel.org,
	Bart Van Assche <bvanassche@acm.org>
Subject: [PATCH 0/3] Improve host-wide tag IOPS
Date: Wed, 10 Sep 2025 14:32:48 -0700	[thread overview]
Message-ID: <20250910213254.1215318-1-bvanassche@acm.org> (raw)

Hi Martin,

The more UFS device IOPS increase, the more SCSI budget management becomes a
bottleneck. Hence this patch series that disables SCSI budget management for
host drivers that don't need it. Please consider this patch series for the next
merge window.

Thanks,

Bart.

Bart Van Assche (3):
  block: Export blk_mq_all_tag_iter()
  ufs: core: Use scsi_device_busy()
  scsi: core: Improve IOPS in case of host-wide tags

 block/blk-mq-tag.c         |  1 +
 block/blk-mq.h             |  2 --
 drivers/scsi/scsi.c        |  7 ++++-
 drivers/scsi/scsi_lib.c    | 60 +++++++++++++++++++++++++++++++++-----
 drivers/scsi/scsi_scan.c   | 11 ++++++-
 drivers/ufs/core/ufshcd.c  |  4 +--
 include/linux/blk-mq.h     |  2 ++
 include/scsi/scsi_device.h |  5 +---
 8 files changed, 75 insertions(+), 17 deletions(-)

             reply	other threads:[~2025-09-10 21:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-10 21:32 Bart Van Assche [this message]
2025-09-10 21:32 ` [PATCH 1/3] block: Export blk_mq_all_tag_iter() Bart Van Assche
2025-09-11  8:32   ` Ming Lei
2025-09-11 16:49     ` Bart Van Assche
2025-09-10 21:32 ` [PATCH 2/3] ufs: core: Use scsi_device_busy() Bart Van Assche
2025-09-11  9:18   ` Peter Wang (王信友)
2025-09-10 21:32 ` [PATCH 3/3] scsi: core: Improve IOPS in case of host-wide tags Bart Van Assche
2025-09-11  6:40   ` Hannes Reinecke
2025-09-11 15:45     ` Bart Van Assche
2025-09-11  8:15   ` John Garry
2025-09-11 15:59     ` Bart Van Assche
2025-09-11 17:37     ` Bart Van Assche
2025-09-12 14:37       ` John Garry

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