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[SCSI] scsi_dh_alua: Store the PREF bit from RTPG
authorMoger, Babu <Babu.Moger@netapp.com>
Tue, 27 Mar 2012 20:56:08 +0000 (20:56 +0000)
committerJames Bottomley <JBottomley@Parallels.com>
Mon, 23 Apr 2012 18:28:13 +0000 (19:28 +0100)
commitdcd3a754b8c811441326d68574598fb3b4976ff4
treebad1efd7f910d4f84760e733626b2edd84098822tree | snapshot (tar.gz zip)
parent4335d092a1f28e17c5bafa6170bbf9599ca29c6acommit | diff
[SCSI] scsi_dh_alua: Store the PREF bit from RTPG

PREF bit indicates preferred target port group for accessing a logical
unit. This bit is used to optimize the STPG command handling.

Signed-off-by: Babu Moger <babu.moger@netapp.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/device_handler/scsi_dh_alua.c diff | blob | blame | history