readahead: move the random read case to bottom

Split all readahead cases, and move the random one to bottom.

No behavior changes.

This is to prepare for the introduction of context readahead, and make it
easy for inserting accounting/tracing points for each case.

Signed-off-by: Wu Fengguang <[email protected]>
Cc: Vladislav Bolkhovitin <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Jeff Moyer <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: Ying Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions