From: Ian Kent <raven@themaw.net>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Andrew Morton <akpm@osdl.org>,
nfsv4@linux-nfs.org, steved@redhat.com,
linux-kernel@vger.kernel.org, David Howells <dhowells@redhat.com>,
torvalds@osdl.org, linux-cachefs@redhat.com,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing [try #13]
Date: Tue, 05 Sep 2006 15:01:31 +0800 [thread overview]
Message-ID: <1157439691.4133.12.camel@raven.themaw.net> (raw)
In-Reply-To: <1157436412.3915.26.camel@raven.themaw.net>
On Tue, 2006-09-05 at 14:06 +0800, Ian Kent wrote:
> On Tue, 2006-09-05 at 00:53 -0400, Trond Myklebust wrote:
> > On Tue, 2006-09-05 at 12:03 +0800, Ian Kent wrote:
> > > Sure but this is an old version of autofs which is in use so changing
> > > the expected behavior of a system call is not acceptable and I expect
> > > other applications may well have a problem with this also.
> >
> > Applications that rely on mkdir() to never return EACCES are broken.
> > Particularly so in an selinux system (as was the case here).
>
> That's not quite right.
>
> autofs v4 doesn't rely on mkdir never returning EACCESS just that it
> return EEXIST if the directory exists. Never the less if the behavior of
> stat will work in this case I'll change v4 to do it the way you suggest
> (as v5 does already).
Aaah. Wrong again!
Although v5 doesn't attempt to mount an NFS export if the directory
doesn't exist it does end up doing a mkdir later as the most common case
is mounting an NFS export within an autofs filesystem or other, usually
local filesystem.
next prev parent reply other threads:[~2006-09-05 7:01 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-30 19:31 [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing [try #13] David Howells
2006-08-30 19:31 ` [PATCH 1/7] FS-Cache: Provide a filesystem-specific sync'able page bit " David Howells
2006-08-30 19:31 ` [PATCH 2/7] FS-Cache: Generic filesystem caching facility " David Howells
2006-08-30 19:32 ` [PATCH 3/7] FS-Cache: Release page->private after failed readahead " David Howells
2006-08-30 19:32 ` [PATCH 4/7] FS-Cache: Make kAFS use FS-Cache " David Howells
2006-08-30 19:32 ` [PATCH 5/7] NFS: Use local caching " David Howells
2006-08-30 19:32 ` [PATCH 6/7] FS-Cache: CacheFiles: ia64: missing copy_page export " David Howells
2006-08-30 19:32 ` [PATCH 7/7] FS-Cache: CacheFiles: A cache that backs onto a mounted filesystem " David Howells
2006-08-30 19:52 ` [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing " Andrew Morton
2006-08-30 20:37 ` David Howells
2006-08-30 20:55 ` Andrew Morton
2006-08-31 9:58 ` David Howells
2006-08-31 17:21 ` Andrew Morton
2006-08-31 17:26 ` Trond Myklebust
2006-08-31 17:42 ` David Howells
2006-08-31 18:04 ` Andrew Morton
2006-09-01 13:08 ` David Howells
2006-09-01 16:34 ` Andrew Morton
2006-09-01 17:00 ` Trond Myklebust
2006-09-02 2:50 ` Andrew Morton
2006-09-02 4:11 ` Ian Kent
2006-09-02 5:58 ` Andrew Morton
2006-09-03 6:21 ` Ian Kent
2006-09-03 6:30 ` Andrew Morton
2006-09-03 6:43 ` Ian Kent
2006-09-03 16:58 ` Andrew Morton
2006-09-04 2:23 ` Ian Kent
2006-09-04 5:40 ` Ian Kent
2006-09-02 4:49 ` Ian Kent
2006-09-04 11:52 ` David Howells
2006-09-04 11:52 ` David Howells
2006-09-04 13:24 ` Ian Kent
2006-09-05 1:57 ` Trond Myklebust
2006-09-05 2:55 ` Ian Kent
2006-09-05 3:50 ` Trond Myklebust
2006-09-05 4:03 ` Ian Kent
2006-09-05 4:53 ` Trond Myklebust
2006-09-05 6:06 ` Ian Kent
2006-09-05 7:01 ` Ian Kent [this message]
2006-09-05 12:52 ` Trond Myklebust
2006-09-06 4:54 ` Ian Kent
2006-09-05 9:40 ` David Howells
2006-09-05 10:20 ` Ian Kent
2006-09-05 10:37 ` David Howells
2006-09-05 12:20 ` Ian Kent
2006-09-05 13:38 ` David Howells
2006-09-06 4:58 ` Ian Kent
2006-09-06 9:51 ` David Howells
2006-09-06 12:46 ` Trond Myklebust
2006-09-06 13:24 ` David Howells
2006-09-07 5:30 ` Ian Kent
2006-09-07 6:17 ` Trond Myklebust
2006-09-07 7:40 ` Ian Kent
2006-09-05 9:48 ` David Howells
2006-09-05 10:14 ` Ian Kent
2006-09-05 9:57 ` David Howells
2006-09-05 12:47 ` Trond Myklebust
2006-09-05 12:53 ` Trond Myklebust
2006-09-05 13:40 ` David Howells
2006-09-06 10:27 ` Ian Kent
2006-09-04 13:46 ` David Howells
2006-09-04 15:00 ` Ian Kent
2006-09-05 4:11 ` Ian Kent
2006-09-05 4:17 ` Trond Myklebust
2006-09-05 2:23 ` Trond Myklebust
2006-09-05 3:01 ` Ian Kent
2006-09-05 4:05 ` Trond Myklebust
2006-09-05 4:06 ` Ian Kent
2006-09-05 4:57 ` Trond Myklebust
2006-09-05 6:45 ` Ian Kent
2006-09-05 7:07 ` Ian Kent
2006-09-04 18:20 ` David Howells
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