bdi: initialize ->ra_pages and ->io_pages in bdi_init

Set up a readahead size by default, as very few users have a good
reason to change it.  This means code, ecryptfs, and orangefs now
set up the values while they were previously missing it, while ubifs,
mtd and vboxsf manually set it to 0 to avoid readahead.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Acked-by: David Sterba <[email protected]> [btrfs]
Acked-by: Richard Weinberger <[email protected]> [ubifs, mtd]
Signed-off-by: Jens Axboe <[email protected]>

0 files changed, 0 insertions, 0 deletions