Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bc71226b authored by Geliang Tang's avatar Geliang Tang Committed by Linus Torvalds
Browse files

mm/backing-dev.c: use rb_entry() 

To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Link: http://lkml.kernel.org/r/671275de093d93ddc7c6f77ddc0d357149691a39.1484306840.git.geliangtang@gmail.com


Signed-off-by: default avatarGeliang Tang <geliangtang@gmail.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 21440d7e

mm/backing-dev.c

+2 −2
Original line number Diff line number Diff line
@@ -411,7 +411,7 @@ wb_congested_get_create(struct backing_dev_info *bdi, int blkcg_id, gfp_t gfp) 


	while (*node != NULL) {

		parent = *node;

		congested = container_of(parent, struct bdi_writeback_congested,

		congested = rb_entry(parent, struct bdi_writeback_congested,

				     rb_node);

		if (congested->blkcg_id < blkcg_id)

			node = &parent->rb_left;