diff options
author | Angelo Ruocco <angelo.ruocco.90@gmail.com> | 2019-04-08 11:35:34 -0400 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2019-04-08 12:05:43 -0400 |
commit | 636b8fe86bede8c9f797365986b8406ff2183f13 (patch) | |
tree | 41abc32d7167012dce42755cf1f67aa629126be5 /block/bfq-iosched.c | |
parent | d0b0a81acbd809228b57fb27a89028ecd0fc542a (diff) |
block, bfq: fix some typos in comments
Some of the comments in the bfq files had typos. This patch fixes them.
Signed-off-by: Angelo Ruocco <angeloruocco90@gmail.com>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bfq-iosched.c')
-rw-r--r-- | block/bfq-iosched.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index ceb06abd73df..bcaa4bde3961 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c | |||
@@ -189,7 +189,7 @@ static const int bfq_default_max_budget = 16 * 1024; | |||
189 | /* | 189 | /* |
190 | * When a sync request is dispatched, the queue that contains that | 190 | * When a sync request is dispatched, the queue that contains that |
191 | * request, and all the ancestor entities of that queue, are charged | 191 | * request, and all the ancestor entities of that queue, are charged |
192 | * with the number of sectors of the request. In constrast, if the | 192 | * with the number of sectors of the request. In contrast, if the |
193 | * request is async, then the queue and its ancestor entities are | 193 | * request is async, then the queue and its ancestor entities are |
194 | * charged with the number of sectors of the request, multiplied by | 194 | * charged with the number of sectors of the request, multiplied by |
195 | * the factor below. This throttles the bandwidth for async I/O, | 195 | * the factor below. This throttles the bandwidth for async I/O, |
@@ -217,7 +217,7 @@ const int bfq_timeout = HZ / 8; | |||
217 | * queue merging. | 217 | * queue merging. |
218 | * | 218 | * |
219 | * As can be deduced from the low time limit below, queue merging, if | 219 | * As can be deduced from the low time limit below, queue merging, if |
220 | * successful, happens at the very beggining of the I/O of the involved | 220 | * successful, happens at the very beginning of the I/O of the involved |
221 | * cooperating processes, as a consequence of the arrival of the very | 221 | * cooperating processes, as a consequence of the arrival of the very |
222 | * first requests from each cooperator. After that, there is very | 222 | * first requests from each cooperator. After that, there is very |
223 | * little chance to find cooperators. | 223 | * little chance to find cooperators. |
@@ -441,7 +441,7 @@ void bfq_schedule_dispatch(struct bfq_data *bfqd) | |||
441 | 441 | ||
442 | /* | 442 | /* |
443 | * Lifted from AS - choose which of rq1 and rq2 that is best served now. | 443 | * Lifted from AS - choose which of rq1 and rq2 that is best served now. |
444 | * We choose the request that is closesr to the head right now. Distance | 444 | * We choose the request that is closer to the head right now. Distance |
445 | * behind the head is penalized and only allowed to a certain extent. | 445 | * behind the head is penalized and only allowed to a certain extent. |
446 | */ | 446 | */ |
447 | static struct request *bfq_choose_req(struct bfq_data *bfqd, | 447 | static struct request *bfq_choose_req(struct bfq_data *bfqd, |
@@ -989,7 +989,7 @@ static unsigned int bfq_wr_duration(struct bfq_data *bfqd) | |||
989 | * of several files | 989 | * of several files |
990 | * mplayer took 23 seconds to start, if constantly weight-raised. | 990 | * mplayer took 23 seconds to start, if constantly weight-raised. |
991 | * | 991 | * |
992 | * As for higher values than that accomodating the above bad | 992 | * As for higher values than that accommodating the above bad |
993 | * scenario, tests show that higher values would often yield | 993 | * scenario, tests show that higher values would often yield |
994 | * the opposite of the desired result, i.e., would worsen | 994 | * the opposite of the desired result, i.e., would worsen |
995 | * responsiveness by allowing non-interactive applications to | 995 | * responsiveness by allowing non-interactive applications to |
@@ -2636,8 +2636,8 @@ static bool bfq_allow_bio_merge(struct request_queue *q, struct request *rq, | |||
2636 | /* | 2636 | /* |
2637 | * bic still points to bfqq, then it has not yet been | 2637 | * bic still points to bfqq, then it has not yet been |
2638 | * redirected to some other bfq_queue, and a queue | 2638 | * redirected to some other bfq_queue, and a queue |
2639 | * merge beween bfqq and new_bfqq can be safely | 2639 | * merge between bfqq and new_bfqq can be safely |
2640 | * fulfillled, i.e., bic can be redirected to new_bfqq | 2640 | * fulfilled, i.e., bic can be redirected to new_bfqq |
2641 | * and bfqq can be put. | 2641 | * and bfqq can be put. |
2642 | */ | 2642 | */ |
2643 | bfq_merge_bfqqs(bfqd, bfqd->bio_bic, bfqq, | 2643 | bfq_merge_bfqqs(bfqd, bfqd->bio_bic, bfqq, |
@@ -3089,7 +3089,7 @@ static void __bfq_bfqq_expire(struct bfq_data *bfqd, struct bfq_queue *bfqq) | |||
3089 | /* | 3089 | /* |
3090 | * All in-service entities must have been properly deactivated | 3090 | * All in-service entities must have been properly deactivated |
3091 | * or requeued before executing the next function, which | 3091 | * or requeued before executing the next function, which |
3092 | * resets all in-service entites as no more in service. | 3092 | * resets all in-service entities as no more in service. |
3093 | */ | 3093 | */ |
3094 | __bfq_bfqd_reset_in_service(bfqd); | 3094 | __bfq_bfqd_reset_in_service(bfqd); |
3095 | } | 3095 | } |
@@ -5632,7 +5632,7 @@ static void bfq_prepare_request(struct request *rq, struct bio *bio) | |||
5632 | * preparation is that, after the prepare_request hook is invoked for | 5632 | * preparation is that, after the prepare_request hook is invoked for |
5633 | * rq, rq may still be transformed into a request with no icq, i.e., a | 5633 | * rq, rq may still be transformed into a request with no icq, i.e., a |
5634 | * request not associated with any queue. No bfq hook is invoked to | 5634 | * request not associated with any queue. No bfq hook is invoked to |
5635 | * signal this tranformation. As a consequence, should these | 5635 | * signal this transformation. As a consequence, should these |
5636 | * preparation operations be performed when the prepare_request hook | 5636 | * preparation operations be performed when the prepare_request hook |
5637 | * is invoked, and should rq be transformed one moment later, bfq | 5637 | * is invoked, and should rq be transformed one moment later, bfq |
5638 | * would end up in an inconsistent state, because it would have | 5638 | * would end up in an inconsistent state, because it would have |