Added scan_partition() function which can be used by disk systems (e.g.

in *_initialize()) to save some work.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22441 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/kernel/disk_device_manager/KDiskDeviceManager.cpp

@@ -488,9 +488,28 @@ KDiskDeviceManager::WriteLockPartition(partition_id id)
 	return NULL;
 }
 
+
+// ScanPartition
+status_t
+KDiskDeviceManager::ScanPartition(KPartition* partition, bool async)
+{
+// TODO: This won't do. Locking the DDM while scanning the partition is not a
+// good idea. Even locking the device doesn't feels right. Marking the partition
+// busy and passing the disk system a temporary clone of the partition_data
+// should work as well.
+	if (DeviceWriteLocker deviceLocker = partition->Device()) {
+		if (ManagerLocker locker = this)
+			return _ScanPartition(partition, async);
+	}
+
+	return B_ERROR;
+}
+
+
 // CreateFileDevice
 partition_id
-KDiskDeviceManager::CreateFileDevice(const char *filePath, bool *newlyCreated, bool async)
+KDiskDeviceManager::CreateFileDevice(const char *filePath, bool *newlyCreated,
+	bool async)
 {
 	if (!filePath)
 		return B_BAD_VALUE;
@@ -716,7 +735,8 @@ KDiskDeviceManager::RemoveJobQueue(KDiskDeviceJobQueue *jobQueue)
 		return jobQueue->InitCheck();
 	if (jobQueue->IsExecuting())
 		return B_BAD_VALUE;
-	return (_RemoveJobQueue(jobQueue) ? B_OK : B_ENTRY_NOT_FOUND);
+	return (_RemoveJobQueue(jobQueue)
+		? (status_t)B_OK : (status_t)B_ENTRY_NOT_FOUND);
 }
 
 // DeleteJobQueue

src/system/kernel/disk_device_manager/disk_device_manager.cpp

@@ -178,9 +178,26 @@ delete_partition(partition_id partitionID)
 void
 partition_modified(partition_id partitionID)
 {
-	// not implemented
+	// TODO: implemented
 }
 
+
+// scan_partition
+status_t
+scan_partition(partition_id partitionID)
+{
+	// get the partition
+	KDiskDeviceManager* manager = KDiskDeviceManager::Default();
+	KPartition* partition = manager->RegisterPartition(partitionID);
+	if (partition == NULL)
+		return B_ENTRY_NOT_FOUND;
+	PartitionRegistrar _(partition, true);
+
+	// scan it
+	return manager->ScanPartition(partition, false);
+}
+
+
 // find_disk_system
 disk_system_id
 find_disk_system(const char *name)

src/tools/fs_shell/Jamfile

@@ -33,6 +33,7 @@ BuildPlatformStaticLibrary <build>fs_shell.a :
 	atomic.cpp
 	block_cache.cpp
 	command_cp.cpp
+	disk_device_manager.cpp
 	driver_settings.cpp
 	errno.cpp
 	fcntl.cpp

src/tools/fs_shell/disk_device_manager.cpp

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2007, Ingo Weinhold, bonefish@cs.tu-berlin.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "fssh_disk_device_manager.h"
+
+#include "fssh_errors.h"
+
+
+fssh_status_t
+fssh_scan_partition(fssh_partition_id partitionID)
+{
+	return FSSH_B_OK;
+}
+
+
+bool
+fssh_update_disk_device_job_progress(fssh_disk_job_id jobID, float progress)
+{
+	return true;
+}