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| author | Hou Tao <houtao1@huawei.com> | 2017-07-12 15:25:01 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-07-12 08:32:02 -0600 |
| commit | 38c9140740eb0993924b676a111c164903163b1e (patch) | |
| tree | 079c5055fc98bf7a3beb4b3d00cd5e48e1665393 /block | |
| parent | 3b06b1a7448ee4e8e51dae3938774735404e51fb (diff) | |
| download | lwn-38c9140740eb0993924b676a111c164903163b1e.tar.gz lwn-38c9140740eb0993924b676a111c164903163b1e.zip | |
bfq: fix typos in comments about B-WF2Q+ algorithm
The start time of eligible entity should be less than or equal to
the current virtual time, and the entity in idle tree has a finish
time being greater than the current virtual time.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Reviewed-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/bfq-iosched.h | 2 | ||||
| -rw-r--r-- | block/bfq-wf2q.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index 8fd83b885774..63e771ab56d8 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -52,7 +52,7 @@ struct bfq_entity; struct bfq_service_tree { /* tree for active entities (i.e., those backlogged) */ struct rb_root active; - /* tree for idle entities (i.e., not backlogged, with V <= F_i)*/ + /* tree for idle entities (i.e., not backlogged, with V < F_i)*/ struct rb_root idle; /* idle entity with minimum F_i */ diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c index 5ec05cd42b80..979f8f21b7e2 100644 --- a/block/bfq-wf2q.c +++ b/block/bfq-wf2q.c @@ -1297,7 +1297,7 @@ static void bfq_update_vtime(struct bfq_service_tree *st, u64 new_value) * * This function searches the first schedulable entity, starting from the * root of the tree and going on the left every time on this side there is - * a subtree with at least one eligible (start >= vtime) entity. The path on + * a subtree with at least one eligible (start <= vtime) entity. The path on * the right is followed only if a) the left subtree contains no eligible * entities and b) no eligible entity has been found yet. */ |