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xen-blkback: Avoid that gcc 7 warns about fall-through when building with W=1
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Roger Pau Monn303251 <roger.pau@citrix.com> Cc: xen-devel@lists.xenproject.org Signed-off-by: Jens Axboe <axboe@kernel.dk>
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2 changed files with 3 additions and 1 deletions
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@ -1251,6 +1251,7 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring,
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break;
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case BLKIF_OP_WRITE_BARRIER:
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drain = true;
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/* fall through */
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case BLKIF_OP_FLUSH_DISKCACHE:
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ring->st_f_req++;
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operation = REQ_OP_WRITE;
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@ -810,7 +810,8 @@ static void frontend_changed(struct xenbus_device *dev,
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xenbus_switch_state(dev, XenbusStateClosed);
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if (xenbus_dev_is_online(dev))
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break;
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/* fall through if not online */
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/* fall through */
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/* if not online */
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case XenbusStateUnknown:
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/* implies xen_blkif_disconnect() via xen_blkbk_remove() */
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device_unregister(&dev->dev);
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