fs: Document file_ra_state

Turn the comments into kernel-doc and improve the wording slightly.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Dave Wysochanski <dwysocha@redhat.com>
Tested-By: Marc Dionne <marc.dionne@auristor.com>
Link: https://lore.kernel.org/r/20210407201857.3582797-3-willy@infradead.org/
Link: https://lore.kernel.org/r/161789068619.6155.1397999970593531574.stgit@warthog.procyon.org.uk/ # v6
This commit is contained in:
Matthew Wilcox (Oracle) 2021-04-07 21:18:56 +01:00 • committed by David Howells
commit c790fbf20a