On Wed 25-05-22 15:34:21, Stefan Roesch wrote: > This adds async buffered write support to iomap. > > This replaces the call to balance_dirty_pages_ratelimited() with the > call to balance_dirty_pages_ratelimited_flags. This allows to specify if > the write request is async or not. > > In addition this also moves the above function call to the beginning of > the function. If the function call is at the end of the function and the > decision is made to throttle writes, then there is no request that > io-uring can wait on. By moving it to the beginning of the function, the > write request is not issued, but returns -EAGAIN instead. io-uring will > punt the request and process it in the io-worker. > > By moving the function call to the beginning of the function, the write > throttling will happen one page later. > > Signed-off-by: Stefan Roesch <shr@xxxxxx> Looks good to me. Feel free to add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
