[PATCH] Check for immutable flag in fallocate path

[Marco Stornelli]

Il 21/02/2011 09:26, Marco Stornelli ha scritto:
> From: Marco Stornelli <marco.stornelli at gmail.com>
> 
> All fs must check for the immutable flag in their fallocate callback.
> It's possible to have a race condition in this scenario: an application
> open a file in read/write and it does something, meanwhile root set the
> immutable flag on the file, the application at that point can call
> fallocate with success. Only Ocfs2 check for the immutable flag at the
> moment.
> 
> Signed-off-by: Marco Stornelli <marco.stornelli at gmail.com>

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