From 39982620adfc069f948aa4f3b91f456f75d745c1 Mon Sep 17 00:00:00 2001
From: Jiyoung Yun <jy910.yun@samsung.com>
Date: Thu, 9 Jul 2015 18:57:05 +0900
Subject: [PATCH] block: Add block configuration for multimount option

Currently, deviced does not support multi mount in mmc devices.
So we turn off a multi mount option by using block configuration file.

Change-Id: Ia2eb51cab54e3004d8a43baf0cda0c26f39512c9
Signed-off-by: Jiyoung Yun <jy910.yun@samsung.com>
---
 CMakeLists.txt         |  1 +
 packaging/deviced.spec |  1 +
 src/block/block.c      | 39 +++++++++++++++++++++++++++++++++++++++
 src/block/block.conf   |  7 +++++++
 4 files changed, 48 insertions(+)
 create mode 100644 src/block/block.conf

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d42cd4e..28a1719 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -181,6 +181,7 @@ INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc DESTINATION ${LIB_I
 INSTALL(PROGRAMS ${CMAKE_CURRENT_SOURCE_DIR}/scripts/deviced-pre.sh DESTINATION bin)
 INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/scripts/deviced.conf DESTINATION /etc/dbus-1/system.d)
 INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/scripts/movi_format.sh DESTINATION bin)
+INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/src/block/block.conf DESTINATION /etc/deviced)
 INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/src/usb/usb-setting.conf DESTINATION /etc/deviced)
 INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/src/usb/usb-operation.conf DESTINATION /etc/deviced)
 INSTALL(PROGRAMS ${CMAKE_CURRENT_SOURCE_DIR}/scripts/mmc-smack-label DESTINATION bin)
diff --git a/packaging/deviced.spec b/packaging/deviced.spec
index b0f33e9..bdf9209 100755
--- a/packaging/deviced.spec
+++ b/packaging/deviced.spec
@@ -305,6 +305,7 @@ systemctl daemon-reload
 %{_bindir}/deviced-pre.sh
 %{_bindir}/deviced
 %{_bindir}/movi_format.sh
+%{_sysconfdir}/deviced/block.conf
 %{_sysconfdir}/deviced/usb-setting.conf
 %{_sysconfdir}/deviced/usb-operation.conf
 %{_bindir}/mmc-smack-label
diff --git a/src/block/block.c b/src/block/block.c
index 87203f8..863c121 100644
--- a/src/block/block.c
+++ b/src/block/block.c
@@ -34,6 +34,7 @@
 #include <tzplatform_config.h>
 
 #include "core/log.h"
+#include "core/config-parser.h"
 #include "core/device-notifier.h"
 #include "core/devices.h"
 #include "core/udev.h"
@@ -63,6 +64,8 @@
 #define BLOCK_TYPE_SCSI         "scsi"
 #define BLOCK_TYPE_ALL          "all"
 
+#define BLOCK_CONF_FILE         "/etc/deviced/block.conf"
+
 enum block_dev_operation {
 	BLOCK_DEV_MOUNT,
 	BLOCK_DEV_UNMOUNT,
@@ -84,6 +87,10 @@ struct format_data {
 	enum unmount_operation option;
 };
 
+static struct block_conf {
+	bool multimount;
+} block_conf[BLOCK_MMC_DEV + 1];
+
 static dd_list *fs_head;
 static dd_list *block_dev_list;
 static dd_list *block_ops_list;
@@ -669,6 +676,12 @@ int mount_block_device(const char *devnode)
 		return 0;
 	}
 
+	if (!block_conf[data->block_type].multimount &&
+	    !data->primary) {
+		_I("Not support multi mount by config info");
+		return 0;
+	}
+
 	r = pthread_create(&th, NULL, mount_start, bdev);
 	if (r != 0) {
 		_E("fail to create thread for %s", data->devnode);
@@ -1449,10 +1462,36 @@ static int init_block_object_iface(void)
 	return 0;
 }
 
+static int load_config(struct parse_result *result, void *user_data)
+{
+	int index;
+
+	if (MATCH(result->section, "Block"))
+		return 0;
+
+	if (MATCH(result->section, "SCSI"))
+		index = BLOCK_SCSI_DEV;
+	else if (MATCH(result->section, "MMC"))
+		index = BLOCK_MMC_DEV;
+	else
+		return -EINVAL;
+
+	if (MATCH(result->name, "Multimount"))
+		block_conf[index].multimount =
+			(MATCH(result->value, "yes") ? true : false);
+
+	return 0;
+}
+
 static void block_init(void *data)
 {
 	int ret;
 
+	/* load config */
+	ret = config_parse(BLOCK_CONF_FILE, load_config, NULL);
+	if (ret < 0)
+		_E("fail to load %s, Use default value", BLOCK_CONF_FILE);
+
 	/* register block manager object and interface */
 	ret = register_edbus_interface_and_method(DEVICED_PATH_BLOCK_MANAGER,
 			DEVICED_INTERFACE_BLOCK_MANAGER,
diff --git a/src/block/block.conf b/src/block/block.conf
new file mode 100644
index 0000000..8898468
--- /dev/null
+++ b/src/block/block.conf
@@ -0,0 +1,7 @@
+[Block]
+
+[MMC]
+Multimount=no # yes or no
+
+[SCSI]
+Multimount=yes # yes or no
-- 
2.7.4