diff options
Diffstat (limited to '0005-BFQ-Fix.patch')
| -rw-r--r-- | 0005-BFQ-Fix.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/0005-BFQ-Fix.patch b/0005-BFQ-Fix.patch new file mode 100644 index 000000000000..ad66ca69a2ba --- /dev/null +++ b/0005-BFQ-Fix.patch @@ -0,0 +1,33 @@ +From 69f18bb587a4805b2b18bb4ba91dced87a8fda06 Mon Sep 17 00:00:00 2001 +From: Paolo Valente <paolo.valente@linaro.org> +Date: Sat, 22 Oct 2016 15:26:33 +0200 +Subject: [PATCH 86/86] BUGFIX: Replace max wrongly used for modulo numbers + +Signed-off-by: Paolo Valente <paolo.valente@linaro.org> +--- + block/bfq-iosched.c | 10 +++++++--- + 1 file changed, 7 insertions(+), 3 deletions(-) + +diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c +index eef6ff4..c161ff0 100644 +--- a/block/bfq-iosched.c ++++ b/block/bfq-iosched.c +@@ -2179,9 +2179,13 @@ static void __bfq_set_in_service_queue(struct bfq_data *bfqd, + * not only expires, but also remains with no + * request. + */ +- bfqq->last_wr_start_finish += jiffies - +- max_t(unsigned long, bfqq->last_wr_start_finish, +- bfqq->budget_timeout); ++ if (time_after(bfqq->budget_timeout, ++ bfqq->last_wr_start_finish)) ++ bfqq->last_wr_start_finish += ++ jiffies - bfqq->budget_timeout; ++ else ++ bfqq->last_wr_start_finish = jiffies; ++ + if (time_is_after_jiffies(bfqq->last_wr_start_finish)) { + pr_crit( + "BFQ WARNING:last %lu budget %lu jiffies %lu", +Contact GitHub API Training Shop Blog About + |