lscp - what's NBLKINC and ICNT? (and the i FLG)

lscp - what's NBLKINC and ICNT? (and the i FLG)

[Piotr Szymaniak]

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Hi.

I just started (~2 weeks ago) to use nilfs2 on my / and i'm missing
some information about those last two attritubes of lscp. Looking back
at the list it seems that the first one (NBLKINC) is changed blocks
between checkpoints, but i'm unable to find what's the last one (ICNT).

wloczykij ~ # lscp
            CNO        DATE     TIME  MODE  FLG   NBLKINC       ICNT
          27193  2011-08-19 15:25:38   cp    -         87      37613
          27194  2011-08-19 15:27:39   cp    -         20      37612
          27195  2011-08-19 15:30:09   cp    -         58      37615
          27196  2011-08-19 15:32:09   cp    -         38      37612
(...)

Some checkpoints also are marked with "i" FLG. I think this also was
answered on the list before, but i cant dig the answer.

Is there some doc on nilfs homepage about those attributes that i'm
missing? (or man?) I would appreciate if someone could point me to
some answers. Thanks. (-:


Piotr Szymaniak.
-- 
 - Żona? Idź się pan leczyć!
 - A żona, gnido. Twoja pewnie trzyma cię za pysk, gdera, psuje krew i 
to ty, frajerze, wkrótce będziesz musiał się leczyć. A moja jest z gumy 
i nic nie mówi.
  -- Andrzej Stępniewski, "Ojciec"

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Re: lscp - what's NBLKINC and ICNT? (and the i FLG)

[Ryusuke Konishi]

Hi,
On Tue, 23 Aug 2011 10:53:30 +0200, Piotr Szymaniak wrote:
> Hi.
> 
> I just started (~2 weeks ago) to use nilfs2 on my / and i'm missing
> some information about those last two attritubes of lscp. Looking back
> at the list it seems that the first one (NBLKINC) is changed blocks
> between checkpoints, but i'm unable to find what's the last one (ICNT).

ICNT field shows the number of inodes existing in the filesystem.

> wloczykij ~ # lscp
>             CNO        DATE     TIME  MODE  FLG   NBLKINC       ICNT
>           27193  2011-08-19 15:25:38   cp    -         87      37613
>           27194  2011-08-19 15:27:39   cp    -         20      37612
>           27195  2011-08-19 15:30:09   cp    -         58      37615
>           27196  2011-08-19 15:32:09   cp    -         38      37612
> (...)
> 
> Some checkpoints also are marked with "i" FLG. I think this also was
> answered on the list before, but i cant dig the answer.

This flag shows that the checkpoint was created by a garbage
collection or some kind of metadata change (usually snapshot
operation).

> Is there some doc on nilfs homepage about those attributes that i'm
> missing? (or man?) I would appreciate if someone could point me to
> some answers. Thanks. (-:
> 
> Piotr Szymaniak.

Yes, try "man lscp".

If the man page is deficient or confusing for you, then it should be
rewritten well :)

Regards,
Ryusuke Konishi
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Re: lscp - what's NBLKINC and ICNT? (and the i FLG)

[Piotr Szymaniak]

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On Tue, Aug 23, 2011 at 06:37:22PM +0900, Ryusuke Konishi wrote:
> > Is there some doc on nilfs homepage about those attributes that i'm
> > missing? (or man?) I would appreciate if someone could point me to
> > some answers. Thanks. (-:
> > 
> > Piotr Szymaniak.
> 
> Yes, try "man lscp".

Doh! Thanks a lot! I even tried to find this in Linux nilfs
documentation... don't know how i missed that manpage.


Piotr Szymaniak.
-- 
Stajesz sie odpowiedzialny na zawsze za to, co oswoiles.
  -- Antoine De Saint-Exupery, "Le Petit Prince"

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