Messages in this thread | | | Date | Mon, 18 Jul 2011 20:20:38 +0100 | From | Al Viro <> | Subject | Re: [PATCH] vfs: fix race in rcu lookup of pruned dentry |
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On Mon, Jul 18, 2011 at 12:08:04PM -0700, Linus Torvalds wrote:
> But I do agree that it's very unlikely to actually cause problems. > People just don't move mount points around, and the race would seem to > be ridiculously hard to ever hit even if you tried to create some > totally artificial load that does nothing but rename mount-points ;)
vfs_rename() will refuse to move mountpoints. Required by POSIX, among other things...
> But I think I'm on the same page with Hugh that at this point none of > these issues are even remotely recent, they are basically impossible > to hit, and the fixes are likely potentially more dangerous than the > bugs they fix, so I'll release 3.0 without them and just apply the > fixes (and cc stable) afterwards.
Hmm... Could you pull #for-linus (or #for-linus2, for that matter - same plus cifs_get_root() fix) first?
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