Hi, On 2020-06-05 16:49:24 -0600, Jens Axboe wrote: > Yes that's expected, if we have to fallback to ->readpage(), then it'll > go to a worker. read-ahead is what drives the async nature of it, as we > issue the range (plus more, depending on RA window) as read-ahead for > the normal read, then wait for it. But I assume async would still work for files with POSIX_FADV_RANDOM set, or not? Assuming the system wide setting isn't zero, of course. Greetings, Andres Freund
