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

[David Howells]

Matthew Wilcox <willy at infradead.org> wrote:

> 
> Huh?  If some other kernel module sets it, cachefiles will try to set it,
> see it's already set, and fail.  Presumably cachefiles does not go round
> randomly "unusing" files that it has not previously started using.

Correct.  It only unuses a file that it marked in-use in the first place.

David