From: Bart Van Assche <bvanassche@acm.org>
To: Hannes Reinecke <hare@suse.de>,
"Martin K . Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org, John Garry <john.g.garry@oracle.com>,
Ming Lei <ming.lei@redhat.com>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Subject: Re: [PATCH v4 03/29] scsi: core: Make the budget map optional
Date: Tue, 16 Sep 2025 08:45:43 -0700 [thread overview]
Message-ID: <aa051278-caae-41bc-980e-77f589d5eb51@acm.org> (raw)
In-Reply-To: <aabc487c-ced6-499a-8231-6fc4866c12f9@suse.de>
On 9/16/25 1:34 AM, Hannes Reinecke wrote:
> On 9/12/25 20:21, Bart Van Assche wrote:
>> + if (!sdev->budget_map.map)
>> + return INT_MAX;
>
> Strictly speaking it's not related to reserved commands, but rather to
> cmd_per_lun. Wouldn't it be better to introduce a way to disable
> cmd_per_lun (eg by setting it to INT_MAX or somesuch), and then disable
> the budget map when cmd_per_lun is disabled?
I will look into this.
Thanks,
Bart.
next prev parent reply other threads:[~2025-09-16 15:45 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-12 18:21 [PATCH v4 00/29] Optimize the hot path in the UFS driver Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 01/29] scsi: core: Support allocating reserved commands Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 02/29] scsi: core: Move two statements Bart Van Assche
2025-09-16 8:03 ` John Garry
2025-09-16 8:28 ` Hannes Reinecke
2025-09-12 18:21 ` [PATCH v4 03/29] scsi: core: Make the budget map optional Bart Van Assche
2025-09-16 8:34 ` Hannes Reinecke
2025-09-16 15:45 ` Bart Van Assche [this message]
2025-09-16 20:38 ` Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 04/29] scsi: core: Support allocating a pseudo SCSI device Bart Van Assche
2025-09-16 8:21 ` John Garry
2025-09-16 8:44 ` Hannes Reinecke
2025-09-16 9:21 ` John Garry
2025-09-12 18:21 ` [PATCH v4 05/29] scsi: core: Introduce .queue_reserved_command() Bart Van Assche
2025-09-16 9:33 ` John Garry
2025-09-12 18:21 ` [PATCH v4 06/29] scsi: core: Extend the scsi_execute_cmd() functionality Bart Van Assche
2025-09-12 20:03 ` michael.christie
2025-09-12 20:14 ` Bart Van Assche
2025-09-16 9:09 ` John Garry
2025-09-16 15:44 ` Bart Van Assche
2025-09-17 13:08 ` John Garry
2025-09-17 18:21 ` Bart Van Assche
2025-09-17 23:42 ` Bart Van Assche
2025-09-18 8:01 ` John Garry
2025-09-18 19:49 ` Bart Van Assche
2025-09-19 7:45 ` John Garry
2025-09-12 18:21 ` [PATCH v4 07/29] scsi_debug: Allocate a pseudo SCSI device Bart Van Assche
2025-09-17 12:09 ` John Garry
2025-09-17 21:37 ` Bart Van Assche
2025-09-18 7:30 ` John Garry
2025-09-12 18:21 ` [PATCH v4 08/29] ufs: core: Move an assignment in ufshcd_mcq_process_cqe() Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 09/29] ufs: core: Change the type of one ufshcd_add_cmd_upiu_trace() argument Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 10/29] ufs: core: Only call ufshcd_add_command_trace() for SCSI commands Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 11/29] ufs: core: Change the type of one ufshcd_add_command_trace() argument Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 12/29] ufs: core: Change the type of one ufshcd_send_command() argument Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 13/29] ufs: core: Only call ufshcd_should_inform_monitor() for SCSI commands Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 14/29] ufs: core: Change the monitor function argument types Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 15/29] ufs: core: Rework ufshcd_mcq_compl_pending_transfer() Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 16/29] ufs: core: Rework ufshcd_eh_device_reset_handler() Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 17/29] ufs: core: Rework the SCSI host queue depth calculation code Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 18/29] ufs: core: Allocate the SCSI host earlier Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 19/29] ufs: core: Call ufshcd_init_lrb() later Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 20/29] ufs: core: Use hba->reserved_slot Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 21/29] ufs: core: Make the reserved slot a reserved request Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 22/29] ufs: core: Do not clear driver-private command data Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 23/29] ufs: core: Optimize the hot path Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 24/29] ufs: core: Pass a SCSI pointer instead of an LRB pointer Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 25/29] ufs: core: Remove the ufshcd_lrb task_tag member Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 26/29] ufs: core: Make blk_mq_tagset_busy_iter() skip reserved requests Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 27/29] ufs: core: Move code out of ufshcd_wait_for_dev_cmd() Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 28/29] ufs: core: Rework the ufshcd_issue_dev_cmd() callers Bart Van Assche
2025-09-12 18:21 ` [PATCH v4 29/29] ufs: core: Switch to scsi_execute_cmd() Bart Van Assche
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