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[SCSI] qla4xxx: unblock iscsi session after setting ddb state online. 

Once the device goes *missing*, driver blocks the session
ie iscsi_block_session() to stall the I/O.  So after device
comes back *online*, driver needs to unblock the session ie
iscsi_unblock_session(), else I/Os will fail even if
ddb_state is ONLINE.

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Vikas Chaudhary 2010-07-10 14:49:01 +05:30 committed by James Bottomley
parent e349fa3536
commit 363863256a
1 changed files with 1 additions and 0 deletions
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1
drivers/scsi/qla4xxx/ql4_init.c
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@ -993,6 +993,7 @@ int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha)
DEBUG2(printk ("scsi%ld: %s: ddb index [%d] marked "
"ONLINE\n", ha->host_no, __func__,
ddb_entry->fw_ddb_index));
iscsi_unblock_session(ddb_entry->sess);
} else if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE)
qla4xxx_mark_device_missing(ha, ddb_entry);
}