On Tue, Mar 3, 2015 at 5:47 PM, Al Viro wrote:
> On Tue, Mar 03, 2015 at 05:37:31PM -0800, Gwendal Grignou wrote:
>> At least, to base the device format on whether we are running on a 32
>> bit or 64 bit architecture does not make sense.
>
> Yes, it does. Note that on 32bit ones stat64(2) *will*
On Tue, Mar 03, 2015 at 05:37:31PM -0800, Gwendal Grignou wrote:
> At least, to base the device format on whether we are running on a 32
> bit or 64 bit architecture does not make sense.
Yes, it does. Note that on 32bit ones stat64(2) *will* return an arbitrary
value. On 64bit ones stat(2) will.
At least, to base the device format on whether we are running on a 32
bit or 64 bit architecture does not make sense.
If a tool calling stat(2) can not handle 12 bit major/20 bits minor,
it would already break or about to break when running on a 64 bit
machine.
Regarding SCSI, the 17th disk will u
On Tue, Mar 03, 2015 at 05:10:22PM -0800, Daniel Ehrenberg wrote:
> > What's to guarantee that your ABI change won't break any of those?
>
> I guess it's impossible to guarantee, but if there is an error, it'll
> be that an -EOVERFLOW error is suppressed and the high bits of the
> major:minor pair
On Tue, Mar 3, 2015 at 4:53 PM, Al Viro wrote:
> On Tue, Mar 03, 2015 at 04:37:00PM -0800, Dan Ehrenberg wrote:
>> Previously, stat on 32-bit platforms used old-style encoding and
>> validation of major-minor pairs, with 8:8 bits. However, dev_t is
>> 32-bits on these platforms, and coreutils seem
On Tue, Mar 03, 2015 at 04:37:00PM -0800, Dan Ehrenberg wrote:
> Previously, stat on 32-bit platforms used old-style encoding and
> validation of major-minor pairs, with 8:8 bits. However, dev_t is
> 32-bits on these platforms, and coreutils seems to be treating the
> values as 12:20 new-style valu
Previously, stat on 32-bit platforms used old-style encoding and
validation of major-minor pairs, with 8:8 bits. However, dev_t is
32-bits on these platforms, and coreutils seems to be treating the
values as 12:20 new-style values. The only reason to use the old
version is in the implementation of
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