[04/24] sd: update the bdev size in sd_revalidate_disk

Message ID 20201111082658.3401686-5-hch@lst.de
State New
Headers show
Series
  • [01/24] block: remove the call to __invalidate_device in check_disk_size_change
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Commit Message

Christoph Hellwig Nov. 11, 2020, 8:26 a.m.
This avoids the extra call to revalidate_disk_size in sd_rescan and
is otherwise a no-op because the size did not change, or we are in
the probe path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
---
 drivers/scsi/sd.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

Patch

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 656bcf4940d6d1..4a34dd5b153196 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1750,10 +1750,8 @@  static int sd_sync_cache(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr)
 static void sd_rescan(struct device *dev)
 {
 	struct scsi_disk *sdkp = dev_get_drvdata(dev);
-	int ret;
 
-	ret = sd_revalidate_disk(sdkp->disk);
-	revalidate_disk_size(sdkp->disk, ret == 0);
+	sd_revalidate_disk(sdkp->disk);
 }
 
 static int sd_ioctl(struct block_device *bdev, fmode_t mode,
@@ -3266,7 +3264,7 @@  static int sd_revalidate_disk(struct gendisk *disk)
 	sdkp->first_scan = 0;
 
 	set_capacity_revalidate_and_notify(disk,
-		logical_to_sectors(sdp, sdkp->capacity), false);
+		logical_to_sectors(sdp, sdkp->capacity), true);
 	sd_config_write_same(sdkp);
 	kfree(buffer);
 
@@ -3276,7 +3274,7 @@  static int sd_revalidate_disk(struct gendisk *disk)
 	 * capacity to 0.
 	 */
 	if (sd_zbc_revalidate_zones(sdkp))
-		set_capacity_revalidate_and_notify(disk, 0, false);
+		set_capacity_revalidate_and_notify(disk, 0, true);
 
  out:
 	return 0;