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Commit a5b2359b authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
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Staging: hv: storvsc: Get rid of final_release_stor_device() by inlining code 



Get rid of final_release_stor_device() by inlining code.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c352ee8f

drivers/staging/hv/storvsc.c

+6 −17
Original line number Diff line number Diff line
@@ -67,22 +67,6 @@ static inline struct storvsc_device *get_in_stor_device( 
	return stor_device;

}



/* Drop ref count to 0. No one can use stor_device object. */

static inline struct storvsc_device *final_release_stor_device(

			struct hv_device *device)

{

	struct storvsc_device *stor_device;



	stor_device = (struct storvsc_device *)device->ext;



	/* Busy wait until the ref drop to 1, then set it to 0 */

	while (atomic_cmpxchg(&stor_device->ref_count, 1, 0) != 1)

		udelay(100);



	device->ext = NULL;

	return stor_device;

}



static int storvsc_channel_init(struct hv_device *device)

{

	struct storvsc_device *stor_device;
@@ -401,7 +385,12 @@ int storvsc_dev_remove(struct hv_device *device) 


	storvsc_wait_to_drain(stor_device);



	stor_device = final_release_stor_device(device);

	/*

	 * Since we have already drained, we don't need to busy wait

	 * as was done in final_release_stor_device()

	 */

	atomic_set(&stor_device->ref_count, 0);

	device->ext = NULL;



	/* Close the channel */

	vmbus_close(device->channel);