[PATCH v2 1/3] libfs: Add generic function for setting dentry_ops

[Theodore Y. Ts'o]

On Tue, Nov 17, 2020 at 04:03:13AM +0000, Daniel Rosenberg wrote:
> This adds a function to set dentry operations at lookup time that will
> work for both encrypted filenames and casefolded filenames.
> 
> A filesystem that supports both features simultaneously can use this
> function during lookup preparations to set up its dentry operations once
> fscrypt no longer does that itself.
> 
> Currently the casefolding dentry operation are always set if the
> filesystem defines an encoding because the features is toggleable on
> empty directories. Since we don't know what set of functions we'll
> eventually need, and cannot change them later, we add just add them.
> 
> Signed-off-by: Daniel Rosenberg <drosen at google.com>

Reviewed-by: Theodore Ts'o <tytso at mit.edu>

						- Ted