linux-kernel - Re: [PATCH 0/7] Permit filesystem local caching and NFS superblock sharing [try #13]

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 04 Sep 2006 23:00:57 +0800
From:	Ian Kent <raven@...maw.net>
To:	David Howells <dhowells@...hat.com>
Cc:	Andrew Morton <akpm@...l.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	torvalds@...l.org, steved@...hat.com,
	linux-fsdevel@...r.kernel.org, linux-cachefs@...hat.com,
	nfsv4@...ux-nfs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/7] Permit filesystem local caching and NFS superblock
	sharing [try #13]

On Mon, 2006-09-04 at 14:46 +0100, David Howells wrote:
> Ian Kent <raven@...maw.net> wrote:
> 
> > This is the point I'm trying to make.
> > I'm able to reproduce this with exports that don't have "nohide".
> > The mkdir used to return EEXIST, possibly before getting to the EACCES
> > test. It appears to be a change in semantic behavior and I can't see
> > where it is coming from. autofs expects an EEXIST but not an EACCES and
> > so doesn't perform the mount. I could ignore the EACCES but that would
> > be cheating.
> 
> Here's something you can try:  Look in fs/nfs/dir.c.  Find nfs_lookup().  In
> there, find the following lines:
> 
> 	/* If we're doing an exclusive create, optimize away the lookup */
> 	if (nfs_is_exclusive_create(dir, nd))
> 		goto no_entry;
> 
> Comment that bit out and see what the effect it.

OK. But tomorrow.
I'll let you know.

Ian


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/