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From: Christoph Hellwig <hch@infradead.org>
To: Ulrich Drepper <drepper@gmail.com>
Cc: Andreas Dilger <adilger@dilger.ca>, Nick Piggin <npiggin@suse.de>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	Al Viro <viro@zeniv.linux.org.uk>,
	Ulrich Drepper <drepper@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [rfc] new stat*fs-like syscall?
Date: Fri, 25 Jun 2010 14:45:04 -0400	[thread overview]
Message-ID: <20100625184504.GA11867@infradead.org> (raw)
In-Reply-To: <20100625181638.GA15227@infradead.org>

On Fri, Jun 25, 2010 at 02:16:38PM -0400, Christoph Hellwig wrote:
> On Fri, Jun 25, 2010 at 10:52:05AM -0700, Ulrich Drepper wrote:
> > there are not that many flags which are portable and available on all
> > the platforms.  Look at /usr/include/bits/statvfs.h for what has to be
> > supported and the values to use.  If the values the kernel will use
> > differ I'd have to (unnecessarily) convert the values.  If some values
> > are missing/not supported I still would have to use /proc/mounts and
> > nothing is gained.
> 
> I don't quite get what ST_WRITE is supposed to mean.  All but that one
> can be supported trivially.

In addition ST_APPEND and ST_IMMUTABLE are rather puzzling.  Do you
really want these to mean if the file we call statfs on have the
immutable/append only bits set?  That is mixing two bits of stat
information into statfs?


  reply	other threads:[~2010-06-25 18:45 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-24 13:14 [rfc] new stat*fs-like syscall? Nick Piggin
2010-06-24 14:03 ` Miklos Szeredi
2010-06-24 14:36   ` Nick Piggin
2010-06-24 14:08 ` Andy Lutomirski
2010-06-24 14:18   ` Miklos Szeredi
2010-06-24 14:37     ` Andrew Lutomirski
2010-06-24 14:48       ` Miklos Szeredi
2010-06-25  3:50         ` Nick Piggin
2010-06-24 23:06   ` Andreas Dilger
2010-06-25  6:37     ` Christoph Hellwig
2010-06-24 23:13 ` Andreas Dilger
2010-06-25  4:01   ` Nick Piggin
2010-06-25  4:33     ` Jeff Garzik
2010-06-25 17:47     ` Andreas Dilger
2010-06-25 17:52       ` Ulrich Drepper
2010-06-25 18:16         ` Christoph Hellwig
2010-06-25 18:45           ` Christoph Hellwig [this message]
2010-06-25 19:40             ` Ulrich Drepper
2010-06-26  5:53 ` J. R. Okajima
2010-06-26  9:35   ` Christoph Hellwig
2010-06-26 12:54     ` J. R. Okajima
2010-07-05 20:58       ` Brad Boyer
2010-07-05 23:31         ` J. R. Okajima
2010-07-06  0:45           ` Brad Boyer
2010-07-06 16:45             ` Linus Torvalds
2010-07-07  1:44               ` Christoph Hellwig
2010-07-07  2:28                 ` Linus Torvalds
2010-06-26 14:49     ` Ulrich Drepper
2010-06-26 10:13 ` Andi Kleen

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