Re: [PATCH] xfs: publish UUID in struct super_block

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Apr 28, 2017 at 8:18 AM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> On Fri, Apr 28, 2017 at 8:56 AM, Darrick J. Wong
> <darrick.wong@xxxxxxxxxx> wrote:
>> On Fri, Apr 28, 2017 at 06:49:45AM +0100, Andy Whitcroft wrote:
>>> On Thu, Apr 27, 2017 at 03:30:35PM -0500, Eric Sandeen wrote:
>>>
>>> > It'd be trivial to make that a vfs function and set a flag on the vfs super
>>> > if the UUID is not unique.  Would that be worthwhile?  I can send a patch
>>> > if so.
>>>
>>> This only tells you that the UUID it has is unique now.  As you are
>>> contemplating storing them in the FS they have to be unique in space
>>> _and_ time.  No check you can do now can tell you if the UUID is unique
>>> for all time.  Right ?

I don't understand this fuss about checking if a unique identifier is
unique.  It obviously is, if not don't call it uuid, call it nuuid.

Thanks,
Miklos



[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux