Re: xfs_info: no info about XFS version?

["LinuxAdmin.pl - administracja serwerami Linux" <info@linuxadmin.pl>]

W dniu 2020-09-10 22:44, Eric Sandeen napisał(a):
> On 9/10/20 3:26 PM, LinuxAdmin.pl - administracja serwerami Linux 
> wrote:
>> 
>> Hello,
>> 
>> why there is no info about XFS version on xfs_info?
> 
> Yeah, this is confusing.
> 
> TBH I think "V4" vs "V5" is a secret developer handshake.  Admins know
> this as "not-crc-enabled" vs "crc-enabled"
> 
> Below is a V4 filesystem, due to crc=0

That's the point! How you will be determining the version number in V7? 
crc=3 xyz=0 abc=1?
I know that is V4 (migration to V5 already planned!) but thinking the 
human way - it will be nice to have a simple info of used version :)

> -Eric
> 
>> # LANG=en_US.UTF-8 xfs_info /dev/sdb1
>> meta-data=/dev/sdb1              isize=256    agcount=4, 
>> agsize=6553408 blks
>>          =                       sectsz=512   attr=2, projid32bit=0
>>          =                       crc=0        finobt=0, sparse=0, 
>> rmapbt=0
>>          =                       reflink=0
>> data     =                       bsize=4096   blocks=26213632, 
>> imaxpct=25
>>          =                       sunit=0      swidth=0 blks
>> naming   =version 2              bsize=4096   ascii-ci=0, ftype=0
>> log      =internal log           bsize=4096   blocks=12799, version=2
>>          =                       sectsz=512   sunit=0 blks, 
>> lazy-count=1
>> realtime =none                   extsz=4096   blocks=0, rtextents=0
>> 

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