iscsi-initiator-utils to use var for config

Upstream-status: Backport
This patch is from fedora.

Use /var/lib/iscsi/ instead of /etc/iscsi/ for holding
state files.

Signed-off-by: Yao Zhao <yao.zhao@windriver.com>
Signed-off-by: Vu Tran <vu.tran@windriver.com>

diff --git a/README b/README
index 7364b2d..5e8bff8 100644
--- a/README
+++ b/README
@@ -164,10 +164,10 @@ available on all Linux installations.
 
 The database contains two tables:
 
-- Discovery table (/etc/iscsi/send_targets);
-- Node table (/etc/iscsi/nodes).
+- Discovery table (/var/lib/iscsi/send_targets);
+- Node table (/var/lib/iscsi/nodes).
 
-The regular place for iSCSI database files: /etc/iscsi/nodes
+The regular place for iSCSI database files: /var/lib/iscsi/nodes
 
 The iscsiadm utility is a command-line tool to manage (update, delete,
 insert, query) the persistent database.
@@ -444,7 +444,7 @@ a scsi_host per HBA port).
 To manage both types of initiator stacks, iscsiadm uses the interface (iface)
 structure. For each HBA port or for software iscsi for each network
 device (ethX) or NIC, that you wish to bind sessions to you must create
-a iface config /etc/iscsi/ifaces.
+a iface config /var/lib/iscsi/ifaces.
 
 Prep:
 
@@ -478,29 +478,29 @@ Running:
 iface0 qla4xxx,00:c0:dd:08:63:e8,20.15.0.7,default,iqn.2005-06.com.redhat:madmax
 iface1 qla4xxx,00:c0:dd:08:63:ea,20.15.0.9,default,iqn.2005-06.com.redhat:madmax
 
-Will report iface configurations that are setup in /etc/iscsi/ifaces.
+Will report iface configurations that are setup in /var/lib/iscsi/ifaces.
 The format is:
 
 iface_name transport_name,hwaddress,ipaddress,net_ifacename,initiatorname
 
 For software iscsi, you can create the iface configs by hand, but it is
 reccomended that you use iscsiadm's iface mode. There is a iface.example in
-/etc/iscsi/ifaces which can be used as a template for the daring.
+/var/lib/iscsi/ifaces which can be used as a template for the daring.
 
 For each network object you wish to bind a session to you must create
-a seperate iface config in /etc/iscsi/ifaces and each iface config file
+a seperate iface config in /var/lib/iscsi/ifaces and each iface config file
 must have a unique name which is less than or equal to 64 characters.
 
 Example:
 
 If you have NIC1 with MAC address 00:0F:1F:92:6B:BF and NIC2 with
 MAC address 00:C0:DD:08:63:E7 and you wanted to do software iscsi over
-TCP/IP. Then in /etc/iscsi/ifaces/iface0 you would enter:
+TCP/IP. Then in /var/lib/iscsi/ifaces/iface0 you would enter:
 
 iface.transport_name = tcp
 iface.hwaddress = 00:0F:1F:92:6B:BF
 
-and in /etc/iscsi/ifaces/iface1 you would enter:
+and in /var/lib/iscsi/ifaces/iface1 you would enter:
 
 iface.transport_name = tcp
 iface.hwaddress = 00:C0:DD:08:63:E7
@@ -550,7 +550,7 @@ cxgb3i.00:07:43:05:97:07 cxgb3i,00:07:43:05:97:07,<empty>,<empty>,<empty>
 qla4xxx.00:0e:1e:04:8b:2e qla4xxx,00:0e:1e:04:8b:2e,<empty>,<empty>,<empty>
 
 
-Will report iface configurations that are setup in /etc/iscsi/ifaces.
+Will report iface configurations that are setup in /var/lib/iscsi/ifaces.
 The format is:
 
 iface_name transport_name,hwaddress,ipaddress,net_ifacename,initiatorname
@@ -636,7 +636,7 @@ need a seperate network connection to the target for discovery purposes.
 *This will be fixed in the next version of open-iscsi*
 
 For compatibility reasons, when you run iscsiadm to do discovery, it
-will check for interfaces in /etc/iscsi/iscsi/ifaces that are using
+will check for interfaces in /var/lib/iscsi/iscsi/ifaces that are using
 tcp for the iface.transport and it will bind the portals that are discovered
 so that they will be logged in through those ifaces. This behavior can also
 be overriden by passing in the interfaces you want to use. For the case
@@ -654,7 +654,7 @@ we do not bind a session to a iface, then you can use the special iface
 
 iscsiadm -m discoverydb -t st -p ip:port -I default --discover -P 1
 
-And if you did not define any interfaces in /etc/iscsi/ifaces and do
+And if you did not define any interfaces in /var/lib/iscsi/ifaces and do
 not pass anything into iscsiadm, running iscsiadm will do the default
 behavior, where we allow the network subsystem to decide which
 device to use.
@@ -696,7 +696,7 @@ To now log into targets it is the same as with sofware iscsi. See section
 
 	    ./iscsiadm -m discoverydb -t st -p 192.168.1.1:3260 --discover
 
-	This will search /etc/iscsi/send_targets for a record with the
+	This will search /var/lib/iscsi/send_targets for a record with the
 	ID [portal = 192.168.1.1:3260 and type = sendtargets. If found it
 	will perform discovery using the settings stored in the record.
 	If a record does not exist, it will be created using the iscsid.conf
@@ -705,7 +705,7 @@ To now log into targets it is the same as with sofware iscsi. See section
 	The argument to -p may also be a hostname instead of an address.
 	    ./iscsiadm -m discoverydb -t st -p smoehost --discover
 
-	For the ifaces, iscsiadm will first search /etc/iscsi/ifaces for
+	For the ifaces, iscsiadm will first search /var/lib/iscsi/ifaces for
 	interfaces using software iscsi. If any are found then nodes found
 	during discovery will be setup so that they can logged in through
 	those interfaces. To specify a specific iface, pass the
@@ -761,7 +761,7 @@ To now log into targets it is the same as with sofware iscsi. See section
 	This command will perform discovery, but not manipulate the node DB.
 
   - SendTargets iSCSI Discovery with a specific interface. If you
-	wish to only use a subset of the interfaces in /etc/iscsi/ifaces
+	wish to only use a subset of the interfaces in /var/lib/iscsi/ifaces
 	then you can pass them in during discovery:
 
 	     ./iscsiadm -m discoverydb -t sendtargets -p 192.168.1.1:3260 \
@@ -1072,8 +1072,8 @@ where targetname is the name of the target and ip_address:port is the address
 and port of the portal. tpgt, is the portal group tag of
 the portal, and is not used in iscsiadm commands except for static
 record creation. And iface name is the name of the iscsi interface
-defined in /etc/iscsi/ifaces. If no interface was defined in
-/etc/iscsi/ifaces or passed in, the default behavior is used.
+defined in /var/lib/iscsi/ifaces. If no interface was defined in
+/var/lib/iscsi/ifaces or passed in, the default behavior is used.
 Default here is iscsi_tcp/tcp to be used over which ever NIC the
 network layer decides is best.
 
@@ -1188,7 +1188,7 @@ If set, iscsid will perform discovery to the address every
 discovery.isns.discoveryd_poll_inval or
 discovery.sendtargets.discoveryd_poll_inval seconds,
 and it will log into any portals found from the discovery source using
-the ifaces in /etc/iscsi/ifaces.
+the ifaces in /var/lib/iscsi/ifaces.
 
 Note that for iSNS the poll_interval does not have to be set. If not set,
 iscsid will only perform rediscovery when it gets a SCN from the server.
diff --git a/doc/iscsiadm.8 b/doc/iscsiadm.8
index 7c209f6..e94cca0 100644
--- a/doc/iscsiadm.8
+++ b/doc/iscsiadm.8
@@ -89,7 +89,7 @@ This option is only valid for ping submode.
 .TP
 \fB\-I\fR, \fB\-\-interface=\fI[iface]\fR
 The interface argument specifies the iSCSI interface to use for the operation.
-iSCSI interfaces (iface) are defined in /etc/iscsi/ifaces. For hardware
+iSCSI interfaces (iface) are defined in /var/lib/iscsi/ifaces. For hardware
 iSCSI (qla4xxx) the iface config must have the hardware address
 (iface.hwaddress = port's MAC address)
 and the driver/transport_name (iface.transport_name). The iface's name is
@@ -166,7 +166,7 @@ If no other options are specified: for \fIdiscoverydb\fR and \fInode\fR, all
 of their respective records are displayed; for \fIsession\fR, all active
 sessions and connections are displayed; for \fIfw\fR, all boot firmware
 values are displayed; for \fIhost\fR, all iSCSI hosts are displayed; and
-for \fIiface\fR, all ifaces setup in /etc/iscsi/ifaces are displayed.
+for \fIiface\fR, all ifaces setup in /var/lib/iscsi/ifaces are displayed.
 
 .TP
 \fB\-n\fR, \fB\-\-name=\fIname\fR
@@ -535,10 +535,10 @@ The configuration file read by \fBiscsid\fR and \fBiscsiadm\fR on startup.
 The file containing the iSCSI InitiatorName and InitiatorAlias read by
 \fBiscsid\fR and \fBiscsiadm\fR on startup.
 .TP
-/etc/iscsi/nodes/
+/var/lib/iscsi/nodes/
 This directory contains the nodes with their targets.
 .TP
-/etc/iscsi/send_targets
+/var/lib/iscsi/send_targets
 This directory contains the portals.
 
 .SH "SEE ALSO"
diff --git a/usr/idbm.c b/usr/idbm.c
index 4d30aa9..316e54f 100644
--- a/usr/idbm.c
+++ b/usr/idbm.c
@@ -2468,9 +2468,9 @@ free_info:
 int idbm_init(idbm_get_config_file_fn *fn)
 {
 	/* make sure root db dir is there */
-	if (access(ISCSI_CONFIG_ROOT, F_OK) != 0) {
-		if (mkdir(ISCSI_CONFIG_ROOT, 0660) != 0) {
-			log_error("Could not make %s %d\n", ISCSI_CONFIG_ROOT,
+	if (access(ISCSIVAR, F_OK) != 0) {
+		if (mkdir(ISCSIVAR, 0660) != 0) {
+			log_error("Could not make %s %d\n", ISCSIVAR,
 				   errno);
 			return errno;
 		}
diff --git a/usr/idbm.h b/usr/idbm.h
index 245f046..f45e86e 100644
--- a/usr/idbm.h
+++ b/usr/idbm.h
@@ -28,12 +28,16 @@
 #include "config.h"
 #include "list.h"
 
-#define NODE_CONFIG_DIR		ISCSI_CONFIG_ROOT"nodes"
-#define SLP_CONFIG_DIR		ISCSI_CONFIG_ROOT"slp"
-#define ISNS_CONFIG_DIR		ISCSI_CONFIG_ROOT"isns"
-#define STATIC_CONFIG_DIR	ISCSI_CONFIG_ROOT"static"
-#define FW_CONFIG_DIR		ISCSI_CONFIG_ROOT"fw"
-#define ST_CONFIG_DIR		ISCSI_CONFIG_ROOT"send_targets"
+#define ISCSIVAR			"/var/lib/iscsi/"
+
+#define NODE_CONFIG_DIR    ISCSIVAR"nodes"
+#define SLP_CONFIG_DIR     ISCSIVAR"slp"
+#define ISNS_CONFIG_DIR    ISCSIVAR"isns"
+#define STATIC_CONFIG_DIR  ISCSIVAR"static"
+#define FW_CONFIG_DIR      ISCSIVAR"fw"
+#define ST_CONFIG_DIR      ISCSIVAR"send_targets"
+
+
 #define ST_CONFIG_NAME		"st_config"
 #define ISNS_CONFIG_NAME	"isns_config"
 
diff --git a/usr/iface.h b/usr/iface.h
index 01f7074..2c6ef72 100644
--- a/usr/iface.h
+++ b/usr/iface.h
@@ -20,7 +20,8 @@
 #ifndef ISCSI_IFACE_H
 #define ISCSI_IFACE_H
 
-#define IFACE_CONFIG_DIR	ISCSI_CONFIG_ROOT"ifaces"
+#include "idbm.h"
+#define IFACE_CONFIG_DIR	ISCSIVAR"ifaces"
 
 struct iface_rec;
 struct list_head;