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block/cfq: replace cfq_rb_root leftmost caching
authorDavidlohr Bueso <dave@stgolabs.net>
Fri, 8 Sep 2017 23:15:05 +0000 (16:15 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 9 Sep 2017 01:26:49 +0000 (18:26 -0700)
commit09663c86e24953556ff8696efa023557901f2b66
tree9d98e963ad00811b38ddea805c31087d860e15cbtree | snapshot (tar.gz zip)
parenta23ba907d5e65d6aeea3e59c82fda9cd206a7aadcommit | diff
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>
block/cfq-iosched.c diff | blob | blame | history