From: Changheun Lee <nanich.lee@samsung.com>
To: damien.lemoal@wdc.com, bvanassche@acm.org,
Johannes.Thumshirn@wdc.com, asml.silence@gmail.com,
axboe@kernel.dk, gregkh@linuxfoundation.org, hch@infradead.org,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
ming.lei@redhat.com, osandov@fb.com, patchwork-bot@kernel.org,
tj@kernel.org, tom.leiming@gmail.com
Cc: jisoo2146.oh@samsung.com, junho89.kim@samsung.com,
mj0123.lee@samsung.com, seunghwan.hyun@samsung.com,
sookwan7.kim@samsung.com, woosung2.lee@samsung.com,
yt0928.kim@samsung.com, Changheun Lee <nanich.lee@samsung.com>
Subject: [PATCH v6 2/3] ufs: set QUEUE_FLAG_LIMIT_BIO_SIZE
Date: Mon, 12 Apr 2021 11:58:30 +0900 [thread overview]
Message-ID: <20210412025831.31498-3-nanich.lee@samsung.com> (raw)
In-Reply-To: <20210412025831.31498-1-nanich.lee@samsung.com>
Set QUEUE_FLAG_LIMIT_BIO_SIZE queue flag to limit bio max size to
queue max sectors size for UFS device.
Signed-off-by: Changheun Lee <nanich.lee@samsung.com>
---
drivers/scsi/scsi_lib.c | 2 ++
drivers/scsi/ufs/ufshcd.c | 1 +
include/scsi/scsi_host.h | 2 ++
3 files changed, 5 insertions(+)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7d52a11e1b61..73ce6ba7903a 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1838,6 +1838,8 @@ void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q)
* Devices that require a bigger alignment can increase it later.
*/
blk_queue_dma_alignment(q, max(4, dma_get_cache_alignment()) - 1);
+
+ blk_queue_set_limit_bio_size(q, shost->limit_bio_size);
}
EXPORT_SYMBOL_GPL(__scsi_init_queue);
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index d3d05e997c13..000eb5ab022e 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -9313,6 +9313,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
host->max_channel = UFSHCD_MAX_CHANNEL;
host->unique_id = host->host_no;
host->max_cmd_len = UFS_CDB_SIZE;
+ host->limit_bio_size = true;
hba->max_pwr_info.is_valid = false;
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index e30fd963b97d..486f61588717 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -607,6 +607,8 @@ struct Scsi_Host {
unsigned int max_segment_size;
unsigned long dma_boundary;
unsigned long virt_boundary_mask;
+ unsigned int limit_bio_size;
+
/*
* In scsi-mq mode, the number of hardware queues supported by the LLD.
*
--
2.29.0
next prev parent reply other threads:[~2021-04-12 3:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210412031614epcas1p3fd234ea94ae348f8b8d2e3e179e195db@epcas1p3.samsung.com>
2021-04-12 2:58 ` [PATCH v6 0/3] limit bio max size Changheun Lee
[not found] ` <CGME20210412031616epcas1p4002efe42935c89c66b879f15a7446d7f@epcas1p4.samsung.com>
2021-04-12 2:58 ` [PATCH v6 1/3] bio: " Changheun Lee
2021-04-12 4:48 ` kernel test robot
2021-04-12 5:01 ` kernel test robot
[not found] ` <CGME20210412031617epcas1p284fde648f8fa84a0034ab6c93307cf73@epcas1p2.samsung.com>
2021-04-12 2:58 ` Changheun Lee [this message]
[not found] ` <CGME20210412031619epcas1p4ac266f3a7079d3719131977616320fbd@epcas1p4.samsung.com>
2021-04-12 2:58 ` [PATCH v6 3/3] bio: add limit_bio_size sysfs Changheun Lee
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