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OpenCloudOS-Kernel
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Staging: hv: Cleanup blkvsc_shutdown() 

Use the newly introduced function to wait for draining I/Os to
cleanup blkvsc_shutdown().

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-05-10 07:54:10 -07:00 committed by Greg Kroah-Hartman
parent f670f824d6
commit 149b119361
1 changed files with 5 additions and 7 deletions
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12
drivers/staging/hv/blkvsc_drv.c
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@ -588,15 +588,13 @@ static void blkvsc_shutdown(struct hv_device *dev)
spin_unlock_irqrestore(&blkdev->lock, flags); spin_unlock_irqrestore(&blkdev->lock, flags);
while (blkdev->num_outstanding_reqs) {
DPRINT_INFO(STORVSC, "waiting for %d requests to complete...",
blkdev->num_outstanding_reqs);
udelay(100);
}
blkvsc_do_operation(blkdev, DO_FLUSH); blkvsc_do_operation(blkdev, DO_FLUSH);
/*
* Now wait for all outgoing I/O to be drained.
*/
storvsc_wait_to_drain((struct storvsc_device *)dev->ext);
} }
static int blkvsc_release(struct gendisk *disk, fmode_t mode) static int blkvsc_release(struct gendisk *disk, fmode_t mode)