linux-kernel - [PATCH AUTOSEL 4.19 124/167] scsi: target/core: Use the SECTOR

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Date:   Tue,  3 Sep 2019 12:24:36 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Bart Van Assche <bvanassche@....org>,
        Christoph Hellwig <hch@....de>,
        Nicholas Bellinger <nab@...ux-iscsi.org>,
        Mike Christie <mchristi@...hat.com>,
        Hannes Reinecke <hare@...e.de>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>, linux-scsi@...r.kernel.org,
        target-devel@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 124/167] scsi: target/core: Use the SECTOR_SHIFT constant

From: Bart Van Assche <bvanassche@....org>

[ Upstream commit 80b045b385cfef10939c913fbfeb19ce5491c1f2 ]

Instead of duplicating the SECTOR_SHIFT definition from <linux/blkdev.h>,
use it. This patch does not change any functionality.

Reviewed-by: Christoph Hellwig <hch@....de>
Cc: Nicholas Bellinger <nab@...ux-iscsi.org>
Cc: Mike Christie <mchristi@...hat.com>
Cc: Hannes Reinecke <hare@...e.de>
Signed-off-by: Bart Van Assche <bvanassche@....org>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/target/target_core_iblock.c | 4 ++--
 drivers/target/target_core_iblock.h | 1 -
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index ce1321a5cb7bf..1bc9b14236d8b 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -514,7 +514,7 @@ iblock_execute_write_same(struct se_cmd *cmd)
 		}
 
 		/* Always in 512 byte units for Linux/Block */
-		block_lba += sg->length >> IBLOCK_LBA_SHIFT;
+		block_lba += sg->length >> SECTOR_SHIFT;
 		sectors -= 1;
 	}
 
@@ -757,7 +757,7 @@ iblock_execute_rw(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 		}
 
 		/* Always in 512 byte units for Linux/Block */
-		block_lba += sg->length >> IBLOCK_LBA_SHIFT;
+		block_lba += sg->length >> SECTOR_SHIFT;
 		sg_num--;
 	}
 
diff --git a/drivers/target/target_core_iblock.h b/drivers/target/target_core_iblock.h
index 9cc3843404d44..cefc641145b3b 100644
--- a/drivers/target/target_core_iblock.h
+++ b/drivers/target/target_core_iblock.h
@@ -9,7 +9,6 @@
 #define IBLOCK_VERSION		"4.0"
 
 #define IBLOCK_MAX_CDBS		16
-#define IBLOCK_LBA_SHIFT	9
 
 struct iblock_req {
 	refcount_t pending;
-- 
2.20.1