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From: Tom Yan <tom.ty89@gmail.com>
To: linux-scsi@vger.kernel.org, dgilbert@interlog.com, bvanassche@acm.org
Cc: stern@rowland.harvard.edu.com, akinobu.mita@gmail.com,
	hch@lst.de, linux-api@vger.kernel.org,
	Tom Yan <tom.ty89@gmail.com>
Subject: [PATCH RESEND 4/4] block/scsi_ioctl.c: use queue_logical_sector_size() in max_sectors_bytes()
Date: Sun,  6 Sep 2020 09:25:12 +0800	[thread overview]
Message-ID: <20200906012512.1428-4-tom.ty89@gmail.com> (raw)
In-Reply-To: <20200906012512.1428-1-tom.ty89@gmail.com>

Signed-off-by: Tom Yan <tom.ty89@gmail.com>
---
 block/scsi_ioctl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index ef722f04f88a..ae6aae40a8b6 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -73,10 +73,11 @@ static int sg_set_timeout(struct request_queue *q, int __user *p)
 static int max_sectors_bytes(struct request_queue *q)
 {
 	unsigned int max_sectors = queue_max_sectors(q);
+	unsigned int logical_block_size = queue_logical_block_size(q);
 
-	max_sectors = min_t(unsigned int, max_sectors, INT_MAX >> 9);
+	max_sectors = min_t(unsigned int, max_sectors, USHRT_MAX);
 
-	return max_sectors << 9;
+	return max_sectors * logical_block_size;
 }
 
 static int sg_get_reserved_size(struct request_queue *q, int __user *p)
-- 
2.28.0


  parent reply	other threads:[~2020-09-06  1:25 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-04  4:42 About BLKSECTGET in sg Tom Yan
2020-09-04 16:28 ` Douglas Gilbert
2020-09-04 19:21   ` Tom Yan
2020-09-04 20:05     ` [PATCH 1/4] scsi: sg: fix BLKSECTGET ioctl Tom Yan
2020-09-04 20:05       ` [PATCH 2/4] scsi: sg: implement BLKSSZGET Tom Yan
2020-09-05 18:37         ` Douglas Gilbert
2020-09-04 20:05       ` [PATCH 3/4] scsi: sg: use queue_logical_sector_size() in max_sectors_bytes() Tom Yan
2020-09-05 18:37         ` Douglas Gilbert
2020-09-04 20:05       ` [PATCH 4/4] block/scsi_ioctl.c: " Tom Yan
2020-09-05 18:37         ` Douglas Gilbert
2020-09-05 18:37       ` [PATCH 1/4] scsi: sg: fix BLKSECTGET ioctl Douglas Gilbert
2020-09-05 19:32       ` Bart Van Assche
2020-09-05 20:36         ` Douglas Gilbert
2020-09-06  1:19           ` Tom Yan
2020-09-06  1:25             ` [PATCH RESEND " Tom Yan
2020-09-06  1:25               ` [PATCH RESEND 2/4] scsi: sg: implement BLKSSZGET Tom Yan
2020-09-06  1:25               ` [PATCH RESEND 3/4] scsi: sg: use queue_logical_sector_size() in max_sectors_bytes() Tom Yan
2020-09-06  1:25               ` Tom Yan [this message]
2020-09-06  1:27             ` [PATCH RESEND 1/4] scsi: sg: fix BLKSECTGET ioctl Tom Yan
2020-09-06  1:27               ` [PATCH RESEND 2/4] scsi: sg: implement BLKSSZGET Tom Yan
2020-09-07  6:09                 ` Christoph Hellwig
2020-09-07  9:01                   ` Tom Yan
2020-09-08  8:42                     ` Christoph Hellwig
2020-09-10  1:59                       ` Tom Yan
2020-09-10  5:28                         ` Christoph Hellwig
2020-09-11  2:52                           ` Tom Yan
2020-09-11  6:48                             ` Christoph Hellwig
2020-09-11 17:52                               ` Douglas Gilbert
2020-09-11 21:33                                 ` Alan Stern
2020-09-16  5:47                               ` Tom Yan
2020-09-06  1:27               ` [PATCH RESEND 3/4] scsi: sg: use queue_logical_sector_size() in max_sectors_bytes() Tom Yan
2020-09-06  6:26                 ` Greg KH
2020-09-06  7:01                   ` Tom Yan
2020-09-06  7:40                     ` [PATCH v2 1/4] scsi: sg: fix BLKSECTGET ioctl Tom Yan
2020-09-06  7:40                       ` [PATCH v2 2/4] scsi: sg: implement BLKSSZGET Tom Yan
2020-09-06  7:40                       ` [PATCH v2 3/4] scsi: sg: use queue_logical_sector_size() in max_sectors_bytes() Tom Yan
2020-09-06  7:40                       ` [PATCH v2 4/4] block/scsi_ioctl.c: " Tom Yan
2020-09-06  7:51                     ` [PATCH v3 1/4] scsi: sg: fix BLKSECTGET ioctl Tom Yan
2020-09-06  7:51                       ` [PATCH v3 2/4] scsi: sg: implement BLKSSZGET Tom Yan
2020-09-06  7:51                       ` [PATCH v3 3/4] scsi: sg: use queue_logical_sector_size() in max_sectors_bytes() Tom Yan
2020-09-06  7:51                       ` [PATCH v3 4/4] block/scsi_ioctl.c: " Tom Yan
2020-09-06  1:27               ` [PATCH RESEND " Tom Yan
2020-09-06  5:09             ` [PATCH 1/4] scsi: sg: fix BLKSECTGET ioctl Douglas Gilbert
2020-09-06  7:16               ` Tom Yan

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