Joe Eykholt 2ab7e1ecb8 [SCSI] libfc: send GPN_ID in reaction to single-port RSCNs. ... When an RSCN indicates changes to individual remote ports, don't blindly log them out and then back in. Instead, determine whether they're still in the directory, by doing GPN_ID. If that is successful, call login, which will send ADISC and reverify, otherwise, call logoff. Perhaps we should just delete the rport, not send LOGO, but it seems safer. Also, fix a possible issue where if a mix of records in the RSCN cause us to queue disc_ports for disc_single and then we decide to do full rediscovery, we leak memory for those disc_ports queued. So, go through the list of disc_ports even if doing full discovery. Free the disc_ports in any case. If any of the disc_single() calls return error, do a full discovery. The ability to fill in GPN_ID requests was added to fc_ct_fill(). For this, it needs the FC_ID to be passed in as an arg. The did parameter for fc_elsct_send() is used for that, since the actual D_DID will always be 0xfffffc for all CT requests so far. Signed-off-by: Joe Eykholt <jeykholt@cisco.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>		2009-09-10 12:08:03 -05:00
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scsi	[SCSI] libfc: send GPN_ID in reaction to single-port RSCNs.	2009-09-10 12:08:03 -05:00
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