Re: [PATCH 0/2] vfs: ensure that dentries are revalidated on open(try #2)

[Pavel Machek]

Hi!

> This is the second attempt to fix this problem. The first one attempted
> to fix this in procfs, but Eric Biederman pointed out that file bind
> mounts have a similar problem. This set attempts to fix the issue at a
> higher level, in the generic VFS layer.
> 
> In certain situations, when it knows that they are valid, the path
> walking code will skip revalidating dentries that it finds in the cache.
> This causes problems with filesystems such as NFSv4 and CIFS that depend
> on the d_revalidate routine to do opens during lookup.

...and it allows bypassing directory permissions. Could we fix both
here?
									Pavel
-- 
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