Re: Re: [PATCH v2] scsi: Add 'retry_timeout' to avoid infinite command retry

2014-02-10 Thread Eiichi Tsukata
(2014/02/07 15:15), Libo Chen wrote: On 2014/2/7 13:46, James Bottomley wrote: On Fri, 2014-02-07 at 09:22 +0900, Eiichi Tsukata wrote: Currently, scsi error handling in scsi_io_completion() tries to unconditionally requeue scsi command when device keeps some error state. For example, UNIT_ATT

Re: [PATCH v2] scsi: Add 'retry_timeout' to avoid infinite command retry

2014-02-06 Thread Libo Chen
On 2014/2/7 13:46, James Bottomley wrote: > On Fri, 2014-02-07 at 09:22 +0900, Eiichi Tsukata wrote: >> Currently, scsi error handling in scsi_io_completion() tries to >> unconditionally requeue scsi command when device keeps some error state. >> For example, UNIT_ATTENTION causes infinite retry wi

Re: [PATCH v2] scsi: Add 'retry_timeout' to avoid infinite command retry

2014-02-06 Thread James Bottomley
On Fri, 2014-02-07 at 09:22 +0900, Eiichi Tsukata wrote: > Currently, scsi error handling in scsi_io_completion() tries to > unconditionally requeue scsi command when device keeps some error state. > For example, UNIT_ATTENTION causes infinite retry with > action == ACTION_RETRY. > This is because