[Linux-cachefs] [PATCH v4 38/68] vfs, cachefiles: Mark a backing file in use with an inode flag

[David Howells]

Christoph Hellwig <hch at infradead.org> wrote:

> So let's name it that way.  We have plenty of files in kernel use using
> filp_open and this flag very obviously means something else.

S_KERNEL_LOCK?

David