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Commit c352ee8f 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 release_stor_device() by inlining the code 



Get rid of release_stor_device() by inlining the 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 582f445f

drivers/staging/hv/storvsc.c

+2 −17
Original line number Diff line number Diff line
@@ -67,21 +67,6 @@ static inline struct storvsc_device *get_in_stor_device( 
	return stor_device;

}



/* Drop ref count to 1 to effectively disable get_out_stor_device() */

static inline struct storvsc_device *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 2, then set it to 1 */

	while (atomic_cmpxchg(&stor_device->ref_count, 2, 1) != 2)

		udelay(100);



	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)
@@ -401,8 +386,8 @@ int storvsc_dev_remove(struct hv_device *device) 
	struct storvsc_device *stor_device;

	unsigned long flags;





	stor_device = release_stor_device(device);

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

	atomic_dec(&stor_device->ref_count);



	spin_lock_irqsave(&device->channel->inbound_lock, flags);

	stor_device->destroy = true;