Hi all, here is an update to the ALUA device handler. The main features are: - Topology discovery: the device handler creates a separate port_group structure, which is used to update all paths to the same port group. With that we achieve a significant reduction of the number of RTPGs. - Asynchronous state update: The ALUA state is now updated from a workqueue item, so all concurrent RTPG calls are buffered with that. - Use the existing vpd page 0x83 to detect device IDs The patchset is relative to hch's scsi_dh update. As usual, reviews and comments are welcome. Hannes Reinecke (17): scsi_dh: return individual errors in scsi_dh_activate() scsi_dh_alua: Disable ALUA handling for non-disk devices scsi_dh_alua: Use vpd_pg83 information scsi_dh_alua: Improve error handling scsi: remove scsi_show_sense_hdr() scsi_dh_alua: use flag for RTPG extended header scsi_dh_alua: Pass buffer as function argument scsi_dh_alua: Make stpg synchronous scsi_dh_alua: switch to scsi_execute() scsi_dh_alua: Use separate alua_port_group structure scsi_dh_alua: simplify sense code handling scsi_dh_alua: parse target device id scsi_dh_alua: revert commit a8e5a2d593cbfccf530c3382c2c328d2edaa7b66 scsi_dh_alua: Use workqueue for RTPG scsi_dh_alua: Recheck state on unit attention scsi_dh_alua: update all port states scsi_dh_alua: Update version to 2.0 drivers/scsi/device_handler/scsi_dh.c | 3 +- drivers/scsi/device_handler/scsi_dh_alua.c | 1099 +++++++++++++++++----------- include/scsi/scsi_dbg.h | 2 - 3 files changed, 693 insertions(+), 411 deletions(-) -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
