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authorJayamohan Kallickal <jayamohank@serverengines.com>2009-09-22 08:21:22 +0530
committerJames Bottomley <James.Bottomley@suse.de>2009-10-02 14:01:39 -0500
commitb8b9e1b8128d8854cf55740f9ceba3010143520d (patch)
treeb4043ea1ac0d8bd8602628fcb48ffac7ffe8bdbf /drivers/scsi/libiscsi.c
parent6733b39a1301b0b020bbcbf3295852e93e624cb1 (diff)
downloadlinux-b8b9e1b8128d8854cf55740f9ceba3010143520d.tar.gz
[SCSI] libiscsi: iscsi_session_setup to allow for private space
This patch contains changes that allow iscsi_session_setup
to allocate private space for LLD's

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Acked-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/libiscsi.c')
-rw-r--r--drivers/scsi/libiscsi.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 8dc73c489a17..f1a4246f890c 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2436,7 +2436,7 @@ static void iscsi_host_dec_session_cnt(struct Scsi_Host *shost)
  */
 struct iscsi_cls_session *
 iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
-		    uint16_t cmds_max, int cmd_task_size,
+		    uint16_t cmds_max, int dd_size, int cmd_task_size,
 		    uint32_t initial_cmdsn, unsigned int id)
 {
 	struct iscsi_host *ihost = shost_priv(shost);
@@ -2486,7 +2486,8 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
 	scsi_cmds = total_cmds - ISCSI_MGMT_CMDS_MAX;
 
 	cls_session = iscsi_alloc_session(shost, iscsit,
-					  sizeof(struct iscsi_session));
+					  sizeof(struct iscsi_session) +
+					  dd_size);
 	if (!cls_session)
 		goto dec_session_count;
 	session = cls_session->dd_data;
@@ -2503,6 +2504,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost,
 	session->max_cmdsn = initial_cmdsn + 1;
 	session->max_r2t = 1;
 	session->tt = iscsit;
+	session->dd_data = cls_session->dd_data + sizeof(*session);
 	mutex_init(&session->eh_mutex);
 	spin_lock_init(&session->lock);