fs: export mnt_{get,put}_write_access() to modules

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Overlayfs is going to use those to get write access on the upper mount
during entire copy up without taking freeze protection on upper sb for
the entire copy up.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Message-Id: <20230908132900.2983519-3-amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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Amir Goldstein 2023-09-08 16:29:00 +03:00 • committed by Christian Brauner

parent 3e15dcf77b

commit ddf9e2ff67

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fs/namespace.c

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