RE: [PATCH] storvsc: Avoid excessive host scan on controller change

2017-11-06 Thread Long Li
- > s...@vger.kernel.org; linux-ker...@vger.kernel.org; Long Li > > Subject: Re: [PATCH] storvsc: Avoid excessive host scan on controller change > > > Long, > > > When there are multiple disks attached to the same SCSI controller, > > t

Re: [PATCH] storvsc: Avoid excessive host scan on controller change

2017-11-06 Thread Martin K. Petersen
Long, > When there are multiple disks attached to the same SCSI controller, > the host may send several VSTOR_OPERATION_REMOVE_DEVICE or > VSTOR_OPERATION_ENUMERATE_BUS messages in a row, to indicate there is > a change on the SCSI controller. In response, storvsc rescans the SCSI > host. Applie

Re: [PATCH] storvsc: Avoid excessive host scan on controller change

2017-11-06 Thread Cathy Avery
On 10/31/2017 05:58 PM, Long Li wrote: From: Long Li When there are multiple disks attached to the same SCSI controller, the host may send several VSTOR_OPERATION_REMOVE_DEVICE or VSTOR_OPERATION_ENUMERATE_BUS messages in a row, to indicate there is a change on the SCSI controller. In response,

[PATCH] storvsc: Avoid excessive host scan on controller change

2017-10-31 Thread Long Li
From: Long Li When there are multiple disks attached to the same SCSI controller, the host may send several VSTOR_OPERATION_REMOVE_DEVICE or VSTOR_OPERATION_ENUMERATE_BUS messages in a row, to indicate there is a change on the SCSI controller. In response, storvsc rescans the SCSI host. There is