linux-kernel - [RFC PATCH 3/5] drivers/block/xen-blkfront.c: Convert to use disk_set

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Message-ID: <20191223014056.17318-3-sblbir@amazon.com>
Date:   Mon, 23 Dec 2019 01:40:54 +0000
From:   Balbir Singh <sblbir@...zon.com>
To:     <=linux-block@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-nvme@...ts.infradead.org>
CC:     <axboe@...nel.dk>, <mst@...hat.com>, <jejb@...ux.ibm.com>,
        <hch@....de>, <ssomesh@...zon.com>,
        Balbir Singh <sblbir@...zon.com>
Subject: [RFC PATCH 3/5] drivers/block/xen-blkfront.c: Convert to use disk_set_capacity

block/genhd provides disk_set_capacity() for sending
RESIZE notifications via uevents.

Signed-off-by: Balbir Singh <sblbir@...zon.com>
---
 drivers/block/xen-blkfront.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 23c86350a5ab..bed7050a697d 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -2337,7 +2337,6 @@ static void blkfront_connect(struct blkfront_info *info)
 	unsigned long sector_size;
 	unsigned int physical_sector_size;
 	unsigned int binfo;
-	char *envp[] = { "RESIZE=1", NULL };
 	int err, i;
 
 	switch (info->connected) {
@@ -2352,10 +2351,8 @@ static void blkfront_connect(struct blkfront_info *info)
 			return;
 		printk(KERN_INFO "Setting capacity to %Lu\n",
 		       sectors);
-		set_capacity(info->gd, sectors);
+		disk_set_capacity(info->gd, sectors);
 		revalidate_disk(info->gd);
-		kobject_uevent_env(&disk_to_dev(info->gd)->kobj,
-				   KOBJ_CHANGE, envp);
 
 		return;
 	case BLKIF_STATE_SUSPENDED:
-- 
2.16.5