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Use the I/O blocking mechanism in the FC transport class to allow faster failovers for multipathing: - Call fc_remote_port_delete early to set the rport to BLOCKED. - Check the rport status in queuecommand with fc_remote_portchkready to no longer accept new I/O for this port and fail the I/O with the appropriate scsi_cmnd result. - Implement the terminate_rport_io handler to abort all pending I/O requests - Return SCSI commands with DID_TRANSPORT_DISRUPTED while erp is running. - When updating the remote port status, check for late changes and update the remote ports status accordingly. Acked-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> |
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| .. | ||
| block | ||
| char | ||
| cio | ||
| crypto | ||
| kvm | ||
| net | ||
| scsi | ||
| ebcdic.c | ||
| Makefile | ||
| s390mach.c | ||
| s390mach.h | ||
| sysinfo.c | ||