block/cfq: replace cfq_rb_root leftmost caching
... with the generic rbtree flavor instead. No changes in semantics whatsoever. Link: http://lkml.kernel.org/r/20170719014603.19029-11-dave@stgolabs.net Signed-off-by:Davidlohr Bueso <dbueso@suse.de> Reviewed-by:
Jan Kara <jack@suse.cz> Acked-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Jens Axboe <axboe@fb.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
parent
a23ba907
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