Hans de Goede wrote:
> Note, these patches may apply to master with a couple of lines offset
> left and right, as I also have some patches in my local tree to update
> parted to keep working with upcoming lvm2 (libdevmapper) changes, I'm still
> waiting on testing feedback for these (the libdevmapper) patches before
> submitting them.
>
> Regards,
>
> Hans
>
> p.s.
>
> I also plan to backport this set of 5 to libparted-1.9 and add them to the
> Fedora packages for F-13.
>
> On 10/28/2009 10:20 PM, Hans de Goede wrote:
>> Add ped_device_get_minimal_aligment() and ped_device_get_optimal_aligment()
>> functions to libparted.
>> ---
>> include/parted/device.h | 8 ++++++++
>> include/parted/natmath.h | 1 +
>> libparted/device.c | 18 ++++++++++++++++++
>> 3 files changed, 27 insertions(+), 0 deletions(-)
>>
>> diff --git a/include/parted/device.h b/include/parted/device.h
>> index 151305f..31aec86 100644
>> --- a/include/parted/device.h
>> +++ b/include/parted/device.h
>> @@ -92,6 +92,8 @@ struct _PedDevice {
>> void* arch_specific;
>> };
>>
>> +#include<parted/natmath.h>
>> +
>> /**
>> * List of functions implementing architecture-specific operations.
>> */
>> @@ -112,6 +114,9 @@ struct _PedDeviceArchOps {
>> PedSector (*check) (PedDevice* dev, void* buffer,
>> PedSector start, PedSector count);
>> void (*probe_all) ();
>> + /* These functions are optional */
>> + PedAlignment* (*get_minimal_aligment)(PedDevice* dev);
>> + PedAlignment* (*get_optimal_aligment)(PedDevice* dev);
Please add "const" and adjust spacing: space before "*", not after:
PedAlignment *(*get_minimal_aligment)(const PedDevice *dev);
PedAlignment *(*get_optimal_aligment)(const PedDevice *dev);
The const is required, when the pointed to object is not modified,
and especially important on a public interface.
Otherwise, a caller with a const *dev would have to cast away const
in order to avoid compiler warnings. And we all want to avoid casts.
>> };
>>
>> #include<parted/constraint.h>
>> @@ -141,6 +146,9 @@ extern PedSector ped_device_check (PedDevice* dev, void* buffer,
>> PedSector start, PedSector count);
>> extern PedConstraint* ped_device_get_constraint (PedDevice* dev);
>>
>> +extern PedAlignment* ped_device_get_minimal_aligment(PedDevice* dev);
>> +extern PedAlignment* ped_device_get_optimal_aligment(PedDevice* dev);
>> +
>> /* private stuff ;-) */
>>
>> extern void _ped_device_probe (const char* path);
>> diff --git a/include/parted/natmath.h b/include/parted/natmath.h
>> index cd7679d..eaa84d1 100644
>> --- a/include/parted/natmath.h
>> +++ b/include/parted/natmath.h
>> @@ -31,6 +31,7 @@ typedef struct _PedAlignment PedAlignment;
>>
>> #include<parted/disk.h>
>> #include<parted/device.h>
>> +#include<parted/geom.h>
Might as well indent consistently.
>>
>> #define PED_MIN(a, b) ( ((a)<(b)) ? (a) : (b) )
>> #define PED_MAX(a, b) ( ((a)>(b)) ? (a) : (b) )
>> diff --git a/libparted/device.c b/libparted/device.c
>> index 294fec4..6a41512 100644
>> --- a/libparted/device.c
>> +++ b/libparted/device.c
>> @@ -444,5 +444,23 @@ ped_device_get_constraint (PedDevice* dev)
>> return c;
>> }
>>
>> +PedAlignment*
>> +ped_device_get_minimal_aligment(PedDevice* dev)
>> +{
>> + if (ped_architecture->dev_ops->get_minimal_aligment)
>> + return ped_architecture->dev_ops->get_minimal_aligment(dev);
>> +
>> + return NULL; /* ped_alignment_none */
>> +}
>> +
>> +PedAlignment*
>> +ped_device_get_optimal_aligment(PedDevice* dev)
>> +{
>> + if (ped_architecture->dev_ops->get_optimal_aligment)
>> + return ped_architecture->dev_ops->get_optimal_aligment(dev);
>> +
>> + return NULL; /* ped_alignment_none */
>> +}
>> +
>> /** @} */
>>
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