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Commit 7eef7533 authored by Nitin Gupta's avatar Nitin Gupta Committed by Greg Kroah-Hartman
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Staging: ramzswap: Flush block device before reset 



Make sure we flush block device before freeing all metadata
during reset ioctl.

Signed-off-by: default avatarNitin Gupta <ngupta@vflar.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 6a907728

drivers/staging/ramzswap/ramzswap_drv.c

+8 −3
Original line number Diff line number Diff line
@@ -1000,6 +1000,9 @@ static void reset_device(struct ramzswap *rzs) 
	unsigned entries_per_page;

	unsigned long num_table_pages, entry = 0;



	/* Do not accept any new I/O request */

	rzs->init_done = 0;



	if (rzs->backing_swap && !rzs->num_extents)

		is_backing_blkdev = 1;
@@ -1073,9 +1076,6 @@ static void reset_device(struct ramzswap *rzs) 


	rzs->disksize = 0;

	rzs->memlimit = 0;



	/* Back to uninitialized state */

	rzs->init_done = 0;

}



static int ramzswap_ioctl_init_device(struct ramzswap *rzs)
@@ -1276,6 +1276,11 @@ static int ramzswap_ioctl(struct block_device *bdev, fmode_t mode, 
			ret = -EBUSY;

			goto out;

		}



		/* Make sure all pending I/O is finished */

		if (bdev)

			fsync_bdev(bdev);



		ret = ramzswap_ioctl_reset_device(rzs);

		break;