H. Peter Anvin wrote:
> Mark Lord wrote:
>> One candidate might seem to be the existing
>> which I expect is already 64-bit friendly.
>> But this requires about 150 lines of somewhat complex C code to access,
>> using only the dev_t (from stat(2) on a file) as a starting point,
>> or less if one relies upon the udev device name matching the sysfs
>> device name.
>> Is it time now for HDIO_GETGEO64 to make an appearance?
>> Similar to how the existing BLKGETSIZE64 is supplanting BLKGETSIZE ?
> Probably a better thing to have would be a way to look up block devices
> in sysfs by device number.
Yeah, that would be just as good, really. Maybe even better.
Mark Lord wrote (later on):
> Instead, software has to search everything inside /sys/block/
> looking for a "dev" file whose contents match,
> rather than just trying to access something like this:
> Or any one of a number of similar ways to arrange it.