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Fixed handling of partition and device flags and statuses.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3898 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2003-07-08 17:25:32 +00:00
parent 6cef630541
commit 55bf93d80d
7 changed files with 76 additions and 18 deletions
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2
headers/private/kernel/disk_device_manager/KDiskDevice.h
View File

@ -43,6 +43,8 @@ public:
void SetDeviceFlags(uint32 flags); // comprises the ones below
uint32 DeviceFlags() const;
bool IsReadOnlyMedia() const;
bool IsWriteOnce() const;
bool IsRemovable() const;
bool HasMedia() const;

9
headers/private/storage/DiskDeviceDefs.h
View File

@ -27,10 +27,19 @@ enum {
B_PARTITION_DESCENDANT_BUSY = 0x40,
};
// partition statuses
enum {
B_PARTITION_VALID,
B_PARTITION_CORRUPT,
B_PARTITION_UNRECOGNIZED,
};
// disk device flags
enum {
B_DISK_DEVICE_REMOVABLE = 0x01,
B_DISK_DEVICE_HAS_MEDIA = 0x02,
B_DISK_DEVICE_READ_ONLY = 0x04,
B_DISK_DEVICE_WRITE_ONCE = 0x08,
};
#ifdef __cplusplus

7
headers/private/storage/Partition.h
View File

@ -19,13 +19,6 @@ class BDiskSystem;
class BVolume;
struct user_partition_data;
// partition statuses
enum {
B_PARTITION_VALID,
B_PARTITION_CORRUPT,
B_PARTITION_UNRECOGNIZED,
};
class BPartition {
public:
// Partition Info

8
src/add-ons/kernel/disk_scanner/fs/bfs.c
View File

@ -375,7 +375,7 @@ bfs_identify_partition(int fd, partition_data *partition, void **cookie)
return 0.5;
}
// pm_scan_partition
// bfs_scan_partition
static
status_t
bfs_scan_partition(int fd, partition_data *partition, void *cookie)
@ -389,6 +389,8 @@ bfs_scan_partition(int fd, partition_data *partition, void *cookie)
partition->block_size));
superBlock = (disk_super_block*)cookie;
// fill in the partition_data structure
partition->status = B_PARTITION_VALID;
partition->flags |= B_PARTITION_MOUNTABLE;
partition->block_size = superBlock->block_size;
partition->content_name = strdup(superBlock->name);
partition->content_type = strdup(kPartitionTypeBFS);
@ -400,7 +402,7 @@ bfs_scan_partition(int fd, partition_data *partition, void *cookie)
return B_OK;
}
// pm_free_identify_partition_cookie
// bfs_free_identify_partition_cookie
static
void
bfs_free_identify_partition_cookie(partition_data *partition, void *cookie)
@ -409,7 +411,7 @@ bfs_free_identify_partition_cookie(partition_data *partition, void *cookie)
free(cookie);
}
// pm_free_partition_content_cookie
// bfs_free_partition_content_cookie
static
void
bfs_free_partition_content_cookie(partition_data *partition)

6
src/add-ons/kernel/partitioning_systems/intel/intel.cpp
View File

@ -482,6 +482,9 @@ pm_scan_partition(int fd, partition_data *partition, void *cookie)
partition->block_size));
PartitionMap *map = (PartitionMap*)cookie;
// fill in the partition_data structure
partition->status = B_PARTITION_VALID;
partition->flags |= B_PARTITION_PARTITIONABLE | B_PARTITION_READ_ONLY;
// TODO: Update when write functionality is implemented.
// (no content_name and content_parameters)
partition->content_type = strdup(kPartitionTypeIntel);
if (!partition->content_type)
@ -621,6 +624,9 @@ ep_scan_partition(int fd, partition_data *partition, void *cookie)
return B_ERROR;
PrimaryPartition *primary = (PrimaryPartition*)partition->cookie;
// fill in the partition_data structure
partition->status = B_PARTITION_VALID;
partition->flags |= B_PARTITION_PARTITIONABLE | B_PARTITION_READ_ONLY;
// TODO: Update when write functionality is implemented.
// (no content_name and content_parameters)
partition->content_type = strdup(kPartitionTypeIntelExtended);
if (!partition->content_type)

37
src/kernel/core/disk_device_manager/KDiskDevice.cpp
View File

@ -56,13 +56,32 @@ KDiskDevice::SetTo(const char *path)
fFD = open(path, O_RDONLY);
if (fFD < 0)
return errno;
// get device geometry and media status
// get media status
error = GetMediaStatus(&fMediaStatus);
if (error != B_OK)
return error;
if (fMediaStatus == B_DEV_MEDIA_CHANGED)
fMediaStatus = B_OK;
// get device geometry
if (fMediaStatus == B_OK) {
error = GetGeometry(&fDeviceData.geometry);
if (error != B_OK)
return error;
} else {
// no media: try to get the device geometry, but don't fail, if
// we can't get it
GetGeometry(&fDeviceData.geometry);
}
// set device flags
if (fDeviceData.geometry.removable)
SetDeviceFlags(DeviceFlags() | B_DISK_DEVICE_REMOVABLE);
if (fMediaStatus == B_OK)
SetDeviceFlags(DeviceFlags() | B_DISK_DEVICE_HAS_MEDIA);
if (fDeviceData.geometry.read_only)
SetDeviceFlags(DeviceFlags() | B_DISK_DEVICE_READ_ONLY);
if (fDeviceData.geometry.write_once)
SetDeviceFlags(DeviceFlags() | B_DISK_DEVICE_WRITE_ONCE);
// update partition data
_InitPartitionData();
return B_OK;
}
@ -88,7 +107,7 @@ KDiskDevice::Unset()
fDeviceData.geometry.cylinder_count = 0;
fDeviceData.geometry.head_count = 0;
fDeviceData.geometry.device_type = B_DISK;
fDeviceData.geometry.removable = false;
fDeviceData.geometry.removable = true;
fDeviceData.geometry.read_only = true;
fDeviceData.geometry.write_once = false;
}
@ -183,6 +202,20 @@ KDiskDevice::DeviceFlags() const
return fDeviceData.flags;
}
// IsReadOnlyMedia
bool
KDiskDevice::IsReadOnlyMedia() const
{
return fDeviceData.geometry.read_only;
}
// IsWriteOnce
bool
KDiskDevice::IsWriteOnce() const
{
return fDeviceData.geometry.write_once;
}
// IsRemovable
bool
KDiskDevice::IsRemovable() const

19
src/kernel/core/disk_device_manager/KPartition.cpp
View File

@ -41,7 +41,7 @@ KPartition::KPartition(partition_id id)
fPartitionData.block_size = 0;
fPartitionData.child_count = 0;
fPartitionData.index = -1;
fPartitionData.status = /*B_PARTITION_UNRECOGNIZED*/ 0;
fPartitionData.status = B_PARTITION_UNRECOGNIZED;
fPartitionData.flags = 0;
fPartitionData.volume = -1;
fPartitionData.name = NULL;
@ -194,7 +194,7 @@ KPartition::SetBusy(bool busy)
if (busy)
fPartitionData.flags |= B_PARTITION_BUSY;
else
fPartitionData.flags &= ~B_PARTITION_BUSY;
fPartitionData.flags &= ~(uint32)B_PARTITION_BUSY;
}
// IsBusy
@ -211,7 +211,7 @@ KPartition::SetDescendantBusy(bool busy)
if (busy)
fPartitionData.flags |= B_PARTITION_DESCENDANT_BUSY;
else
fPartitionData.flags &= ~B_PARTITION_DESCENDANT_BUSY;
fPartitionData.flags &= ~(uint32)B_PARTITION_DESCENDANT_BUSY;
}
// IsDescendantBusy
@ -469,6 +469,10 @@ void
KPartition::SetVolumeID(dev_t volumeID)
{
fPartitionData.volume = volumeID;
if (VolumeID() >= 0)
SetFlags(Flags() | B_PARTITION_MOUNTED);
else
SetFlags(Flags() & ~(uint32)B_PARTITION_MOUNTED);
}
// VolumeID
@ -527,6 +531,8 @@ void
KPartition::SetDevice(KDiskDevice *device)
{
fDevice = device;
if (fDevice && fDevice->IsReadOnlyMedia())
SetFlags(Flags() | B_PARTITION_READ_ONLY);
}
// Device
@ -672,6 +678,13 @@ KPartition::SetDiskSystem(KDiskSystem *diskSystem)
fDiskSystem = diskSystem;
if (fDiskSystem)
fDiskSystem->Load(); // can't fail, since it's already loaded
// update concerned partition flags
if (fDiskSystem) {
if (fDiskSystem->IsFileSystem())
SetFlags(Flags() | B_PARTITION_MOUNTABLE);
else
SetFlags(Flags() | B_PARTITION_PARTITIONABLE);
}
}
// DiskSystem