On Sat, May 20, 2023 at 01:00:27AM +0100, David Howells wrote: > Make a read splice from a DAX file go directly to copy_splice_read() to do > the reading as filemap_splice_read() is unlikely to find any pagecache to > splice. > > I think this affects only erofs, Ext2, Ext4, fuse and XFS. > > Signed-off-by: David Howells <dhowells@xxxxxxxxxx> > cc: Christoph Hellwig <hch@xxxxxx> > cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> > cc: Jens Axboe <axboe@xxxxxxxxx> > cc: linux-erofs@xxxxxxxxxxxxxxxx > cc: linux-ext4@xxxxxxxxxxxxxxx > cc: linux-xfs@xxxxxxxxxxxxxxx > cc: linux-fsdevel@xxxxxxxxxxxxxxx > cc: linux-block@xxxxxxxxxxxxxxx > cc: linux-mm@xxxxxxxxx > --- Fwiw, O_DIRECT and DAX could've just been folded into one patch imho. Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>