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

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.comSigned-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
...@@ -411,8 +411,8 @@ wb_congested_get_create(struct backing_dev_info *bdi, int blkcg_id, gfp_t gfp) ...@@ -411,8 +411,8 @@ wb_congested_get_create(struct backing_dev_info *bdi, int blkcg_id, gfp_t gfp)
while (*node != NULL) { while (*node != NULL) {
parent = *node; parent = *node;
congested = container_of(parent, struct bdi_writeback_congested, congested = rb_entry(parent, struct bdi_writeback_congested,
rb_node); rb_node);
if (congested->blkcg_id < blkcg_id) if (congested->blkcg_id < blkcg_id)
node = &parent->rb_left; node = &parent->rb_left;
else if (congested->blkcg_id > blkcg_id) else if (congested->blkcg_id > blkcg_id)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment