Commit 6e017a39 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

zram: use set_capacity_and_notify 



Use set_capacity_and_notify to set the size of both the disk and block
device.  This also gets the uevent notifications for the resize for free.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 230272b4

drivers/block/zram/zram_drv.c

+2 −5
Original line number Diff line number Diff line
@@ -1695,7 +1695,7 @@ static void zram_reset_device(struct zram *zram) 
	disksize = zram->disksize;

	zram->disksize = 0;



	set_capacity(zram->disk, 0);

	set_capacity_and_notify(zram->disk, 0);

	part_stat_set_all(&zram->disk->part0, 0);



	up_write(&zram->init_lock);
@@ -1741,9 +1741,7 @@ static ssize_t disksize_store(struct device *dev, 


	zram->comp = comp;

	zram->disksize = disksize;

	set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT);



	revalidate_disk_size(zram->disk, true);

	set_capacity_and_notify(zram->disk, zram->disksize >> SECTOR_SHIFT);

	up_write(&zram->init_lock);



	return len;
@@ -1790,7 +1788,6 @@ static ssize_t reset_store(struct device *dev, 
	/* Make sure all the pending I/O are finished */

	fsync_bdev(bdev);

	zram_reset_device(zram);

	revalidate_disk_size(zram->disk, true);

	bdput(bdev);



	mutex_lock(&bdev->bd_mutex);

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