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/openbmc/linux/drivers/scsi/megaraid/ |
H A D | megaraid_sas.h | 05e9ebbe Thu May 17 07:47:51 CDT 2007 Sumant Patro <sumant.patro@lsi.com> [SCSI] megaraid_sas: intercept cmd timeout and throttle io
eh_timed_out call back (megasas_reset_timer) is used to throttle io to the adapter when it is called the first time for a scmd. The MEGASAS_FW_BUSY flag is set and can_queue reduced to 16. The can_queue is restored from completion routine in following two conditions : 5 seconds has elapsed and the # of outstanding cmds in FW is < 17.
Signed-off-by: Sumant Patro <sumant.patro@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com> 05e9ebbe Thu May 17 07:47:51 CDT 2007 Sumant Patro <sumant.patro@lsi.com> [SCSI] megaraid_sas: intercept cmd timeout and throttle io eh_timed_out call back (megasas_reset_timer) is used to throttle io to the adapter when it is called the first time for a scmd. The MEGASAS_FW_BUSY flag is set and can_queue reduced to 16. The can_queue is restored from completion routine in following two conditions : 5 seconds has elapsed and the # of outstanding cmds in FW is < 17. Signed-off-by: Sumant Patro <sumant.patro@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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