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Re: fsetxattr() fails on a writable descriptor?
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From: |
Christoph Hellwig |
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Subject: |
Re: fsetxattr() fails on a writable descriptor? |
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Date: |
Tue, 8 Sep 2009 14:40:49 -0400 |
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User-agent: |
Mutt/1.5.19 (2009-01-05) |
On Tue, Sep 08, 2009 at 12:29:49PM +0100, P??draig Brady wrote:
> fsetxattr() is failing for me when the permissions are readonly
> but the descriptor is writable as demonstrated by the program below.
> I've tried this on ext3 and ext4 with libattr-2.4.43-3.fc11.i586
> and linux-2.6.30.5-43.fc11.i586
That's not XFS specifci behaviour. For all xattr operations, fd-based
or not we always do the full permission checks, and have done so since
day one. Check the routined xattr_permission in fs/xattr.c of the
kernel tree. It seems a bit unusual, but I'm not sure changing it now
is a good idea - the xattr support has been around for a long time.
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, (continued)
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Pádraig Brady, 2009/09/07
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Ondřej Vašík, 2009/09/14
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Pádraig Brady, 2009/09/14
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Jim Meyering, 2009/09/14
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Ondřej Vašík, 2009/09/15
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Jim Meyering, 2009/09/15
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Ondřej Vašík, 2009/09/15
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Jim Meyering, 2009/09/15
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Pádraig Brady, 2009/09/15
- fsetxattr() fails on a writable descriptor?, Pádraig Brady, 2009/09/08
- Re: fsetxattr() fails on a writable descriptor?,
Christoph Hellwig <=
- Re: fsetxattr() fails on a writable descriptor?, Pádraig Brady, 2009/09/09
- Re: [PATCH] cp, mv: do preserve extended attributes even for read-only source files, Jim Meyering, 2009/09/07