Use the new get_default_partition_content_name() to construct a useful

volume name -- ReiserFS volumes don't support names.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26404 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/file_systems/reiserfs/Volume.cpp

@@ -78,6 +78,7 @@ Volume::Volume()
 	  fSettings(NULL),
 	  fNegativeEntries()
 {
+	fVolumeName[0] = '\0';
 }
 
 // destructor
@@ -86,6 +87,7 @@ Volume::~Volume()
 	Unmount();
 }
 
+
 // Identify
 status_t
 Volume::Identify(int fd, partition_data *partition)
@@ -131,6 +133,10 @@ Volume::Mount(fs_volume *fsVolume, const char *path)
 	// read and analyze super block
 	if (error == B_OK)
 		error = _ReadSuperBlock();
+
+	if (error == B_OK)
+		UpdateName(fsVolume->partition);
+
 	// create and init block cache
 	if (error == B_OK) {
 		fBlockCache = new(nothrow) BlockCache;
@@ -248,9 +254,21 @@ Volume::CountFreeBlocks() const
 const char *
 Volume::GetName() const
 {
-	return fSettings->GetVolumeName();
+	return fVolumeName;
 }
 
+
+// UpdateName
+void
+Volume::UpdateName(partition_id partitionID)
+{
+	if (get_default_partition_content_name(partitionID, "ReiserFS",
+			fVolumeName, sizeof(fVolumeName)) != B_OK) {
+		strlcpy(fVolumeName, "ReiserFS Volume", sizeof(fVolumeName));
+	}
+}
+
+
 // GetDeviceName
 const char *
 Volume::GetDeviceName() const
@@ -658,4 +676,3 @@ Volume::_InitNegativeEntries()
 		}
 	}
 }
-

src/add-ons/kernel/file_systems/reiserfs/Volume.h

@@ -53,6 +53,7 @@ public:
 	off_t CountBlocks() const;
 	off_t CountFreeBlocks() const;
 	const char *GetName() const;
+	void UpdateName(partition_id partitionID);
 	const char *GetDeviceName() const;
 
 	BlockCache *GetBlockCache() const	{ return fBlockCache; }
@@ -102,6 +103,7 @@ private:
 	char					*fDeviceName;
 	Settings				*fSettings;
 	List<ino_t>				fNegativeEntries;
+	char					fVolumeName[B_OS_NAME_LENGTH];
 };
 
 #endif	// VOLUME_H

src/add-ons/kernel/file_systems/reiserfs/kernel_interface.cpp

@@ -1,6 +1,6 @@
 // kernel_interface.cpp
 //
-// Copyright (c) 2003-2004, Ingo Weinhold ([email protected])
+// Copyright (c) 2003-2008, Ingo Weinhold ([email protected])
 //
 // This program is free software; you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -88,8 +88,10 @@ reiserfs_scan_partition(int fd, partition_data *partition, void *_cookie)
 	partition->content_size = volume->CountBlocks()
 		* volume->GetBlockSize();
 	partition->block_size = volume->GetBlockSize();
-	// TODO: Construct name from partition layout?
-	partition->content_name = strdup("Untitled ReiserFS");
+
+	volume->UpdateName(partition->id);
+		// must be done after setting the content size
+	partition->content_name = strdup(volume->GetName());
 	if (partition->content_name == NULL)
 		return B_NO_MEMORY;
 
@@ -163,9 +165,9 @@ reiserfs_read_fs_info(fs_volume* fs, struct fs_info *info)
 	info->io_size = kOptimalIOSize;
 	info->total_blocks = volume->CountBlocks();
 	info->free_blocks = volume->CountFreeBlocks();
-	strncpy(info->device_name, volume->GetDeviceName(),
+	strlcpy(info->device_name, volume->GetDeviceName(),
 			sizeof(info->device_name));
-	strncpy(info->volume_name, volume->GetName(), sizeof(info->volume_name));
+	strlcpy(info->volume_name, volume->GetName(), sizeof(info->volume_name));
 	return B_OK;
 }