Using the Linux kernel’s Case-insensitive feature in Ext4

Linux 5.2 was released over one year ago and with it, a new feature was added to support optimized case-insensitive file name lookups in the Ext4 filesystem – the first of native Linux filesystems to do it. Now, one year after this quite controversial feature was made available, Collabora and others keep building on top of it to make it more and more useful for system developers and end users. Here’s a look at why this was merged, what improvements have been made since, and how to put it to work.

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