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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Denis Efremov <efremov@linux.com>, Tim Waugh <tim@cyberelk.net>,
	Michal Simek <michal.simek@xilinx.com>,
	Borislav Petkov <bp@alien8.de>,
	"David S. Miller" <davem@davemloft.net>,
	Song Liu <song@kernel.org>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Finn Thain <fthain@telegraphics.com.au>,
	Michael Schmitz <schmitzmic@gmail.com>,
	linux-m68k@lists.linux-m68k.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
	linux-raid@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Subject: [PATCH 16/19] sd: use bdev_check_media_change
Date: Wed,  2 Sep 2020 16:12:15 +0200	[thread overview]
Message-ID: <20200902141218.212614-17-hch@lst.de> (raw)
In-Reply-To: <20200902141218.212614-1-hch@lst.de>

Switch to use bdev_check_media_change instead of check_disk_change and
call cd_revalidate_disk manually.  As sd also calls sd_revalidate_disk
manually during probe and open, , the extra call into ->revalidate_disk
from bdev_disk_changed is not required either, so stop wiring up the
method.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/scsi/sd.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 2bec8cd526164d..d020639c28c6ca 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1381,8 +1381,10 @@ static int sd_open(struct block_device *bdev, fmode_t mode)
 	if (!scsi_block_when_processing_errors(sdev))
 		goto error_out;
 
-	if (sdev->removable || sdkp->write_prot)
-		check_disk_change(bdev);
+	if (sdev->removable || sdkp->write_prot) {
+		if (bdev_check_media_change(bdev))
+			sd_revalidate_disk(bdev->bd_disk);
+	}
 
 	/*
 	 * If the drive is empty, just let the open fail.
@@ -1843,7 +1845,6 @@ static const struct block_device_operations sd_fops = {
 	.compat_ioctl		= sd_compat_ioctl,
 #endif
 	.check_events		= sd_check_events,
-	.revalidate_disk	= sd_revalidate_disk,
 	.unlock_native_capacity	= sd_unlock_native_capacity,
 	.report_zones		= sd_zbc_report_zones,
 	.pr_ops			= &sd_pr_ops,
-- 
2.28.0


  parent reply	other threads:[~2020-09-02 14:21 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 14:11 rework check_disk_change() Christoph Hellwig
2020-09-02 14:12 ` [PATCH 01/19] block: add a bdev_check_media_change helper Christoph Hellwig
2020-09-02 15:17   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 02/19] amiflop: use bdev_check_media_change Christoph Hellwig
2020-09-02 15:19   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 03/19] ataflop: " Christoph Hellwig
2020-09-02 15:22   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 04/19] floppy: " Christoph Hellwig
2020-09-02 15:24   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 05/19] swim: " Christoph Hellwig
2020-09-02 15:30   ` Johannes Thumshirn
2020-09-02 15:31     ` Christoph Hellwig
2020-09-02 14:12 ` [PATCH 06/19] swim: simplify media change handling Christoph Hellwig
2020-09-02 15:33   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 07/19] swim3: use bdev_check_media_changed Christoph Hellwig
2020-09-02 15:41   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 08/19] xsysace: use bdev_check_media_change Christoph Hellwig
2020-09-02 15:41   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 09/19] xsysace: simplify media change handling Christoph Hellwig
2020-09-02 14:12 ` [PATCH 10/19] paride/pcd: use bdev_check_media_change Christoph Hellwig
2020-09-02 15:44   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 11/19] gdrom: " Christoph Hellwig
2020-09-02 15:44   ` Johannes Thumshirn
2020-09-02 22:00   ` antlists
2020-09-08 14:23     ` Christoph Hellwig
2020-09-02 14:12 ` [PATCH 12/19] ide-cd: use bdev_check_media_changed Christoph Hellwig
2020-09-02 15:47   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 13/19] ide-cd: remove idecd_revalidate_disk Christoph Hellwig
2020-09-02 15:48   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 14/19] ide-gd: stop using the disk events mechanism Christoph Hellwig
2020-09-02 14:12 ` [PATCH 15/19] md: use bdev_check_media_change Christoph Hellwig
2020-09-02 15:50   ` Johannes Thumshirn
2020-09-02 16:15   ` Sergei Shtylyov
2020-09-02 14:12 ` Christoph Hellwig [this message]
2020-09-02 15:51   ` [PATCH 16/19] sd: " Johannes Thumshirn
2020-09-02 16:19   ` Sergei Shtylyov
2020-09-02 14:12 ` [PATCH 17/19] sr: " Christoph Hellwig
2020-09-02 15:52   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 18/19] sr: simplify sr_block_revalidate_disk Christoph Hellwig
2020-09-02 15:53   ` Johannes Thumshirn
2020-09-02 14:12 ` [PATCH 19/19] block: remove check_disk_change Christoph Hellwig
2020-09-02 15:54   ` Johannes Thumshirn
2020-09-02 15:38 ` rework check_disk_change() Douglas Gilbert
2020-09-04  9:23   ` Hannes Reinecke
2020-09-08 14:53 rework check_disk_change() v2 Christoph Hellwig
2020-09-08 14:53 ` [PATCH 16/19] sd: use bdev_check_media_change Christoph Hellwig
2020-09-09  7:36   ` Hannes Reinecke
2020-09-09  7:52   ` Sergei Shtylyov

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