libfs: add path_from_stashed()

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Add a helper for both nsfs and pidfs to reuse an already stashed dentry
or to add and stash a new dentry.

Link: https://lore.kernel.org/r/20240218-neufahrzeuge-brauhaus-fb0eb6459771@brauner
Signed-off-by: Christian Brauner <brauner@kernel.org>

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Christian Brauner 2024-02-18 14:50:13 +01:00

parent cb12fd8e0d

commit 07fd7c3298

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3

fs/internal.h

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94

fs/libfs.c

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