[osol-discuss] Which kind of ACLs does tmpfs support ?

2009-09-15 Thread Roland Mainz

Hi!



Does anyone know out-of-the-head whether tmpfs supports ACLs - and if
yes - which type(s) of ACLs (e.g. NFSv4/ZFS, old POSIX draft ACLs
etc.) are supported by tmpfs ?



Bye,
Roland

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Re: [osol-discuss] Which kind of ACLs does tmpfs support ?

2009-09-15 Thread Norm Jacobs


I have some vague recollection that tmpfs doesn't support ACLs snd it 
appears to be so...


ZFS

   opensolaris% touch /var/tmp/bar
   opensolaris% chmod A=user:lp:r:deny /var/tmp/bar
   opensolaris%

TMPFS

   opensolaris% touch /tmp/bar
   opensolaris% chmod A=user:lp:r:deny /tmp/bar
   chmod: ERROR: Failed to set ACL: Operation not supported
   opensolaris%

-Norm

Roland Mainz wrote:

Hi!



Does anyone know out-of-the-head whether tmpfs supports ACLs - and if
yes - which type(s) of ACLs (e.g. NFSv4/ZFS, old POSIX draft ACLs
etc.) are supported by tmpfs ?



Bye,
Roland

  


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Re: [osol-discuss] Which kind of ACLs does tmpfs support ?

2009-09-15 Thread Roland Mainz
Norm Jacobs wrote:
 Roland Mainz wrote:
  Does anyone know out-of-the-head whether tmpfs supports ACLs - and if
  yes - which type(s) of ACLs (e.g. NFSv4/ZFS, old POSIX draft ACLs
  etc.) are supported by tmpfs ?
 
 I have some vague recollection that tmpfs doesn't support ACLs snd it
 appears to be so...

Is there any RFE which requests the implementation of NFSv4-like ACLs
for tmpfs yet ?

 ZFS
 
 opensolaris% touch /var/tmp/bar
 opensolaris% chmod A=user:lp:r:deny /var/tmp/bar
 opensolaris%
 
 TMPFS
 
 opensolaris% touch /tmp/bar
 opensolaris% chmod A=user:lp:r:deny /tmp/bar
 chmod: ERROR: Failed to set ACL: Operation not supported
 opensolaris%

Ok... does that mean that I have to create a ZFS filesystem to actually
test ([1]) an application which modifies ZFS/NFSv4 ACLs or are there any
other options ?

[1]=The idea is to have a test module which checks whether ACL
operations work correctly, however the testing framework must only run
as normal, unpriviledged user...



Bye,
Roland

-- 
  __ .  . __
 (o.\ \/ /.o) roland.ma...@nrubsig.org
  \__\/\/__/  MPEG specialist, CJAVASunUnix programmer
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