Recent changes (master)

Jens Axboe
2018-10-01T18:37:37Z

The following changes since commit 91d2513127442c4946dc99978870c4dc4f58427d:

zbd: Avoid duplicating the code for calculating the number of sectors with data (2018-09-29 15:16:26 -0600)

are available in the git repository at:

git://git.kernel.dk/fio.git master

for you to fetch changes up to 2bce52c621f0e1d7a360e8aedfe23300f8e56bb9:

engines/cpu: fix potential overflow in thinktime calculation (2018-09-30 08:41:40 -0600)

----------------------------------------------------------------
Jeff Moyer (1):
fix hung fio process with large I/O sizes and verify= option

Jens Axboe (1):
engines/cpu: fix potential overflow in thinktime calculation

engines/cpu.c | 2 +-
lib/rand.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

---

Diff of recent changes:

diff --git a/engines/cpu.c b/engines/cpu.c
index 0987250..4d572b4 100644
--- a/engines/cpu.c
+++ b/engines/cpu.c
@@ -85,7 +85,7 @@ static int fio_cpuio_init(struct thread_data *td)
*/
o->thinktime_blocks = 1;
o->thinktime_spin = 0;
- o->thinktime = (co->cpucycle * (100 - co->cpuload)) / co->cpuload;
+ o->thinktime = ((unsigned long long) co->cpucycle * (100 - co->cpuload)) / co->cpuload;

o->nr_files = o->open_files = 1;

diff --git a/lib/rand.c b/lib/rand.c
index 46ffe4f..99846a8 100644
--- a/lib/rand.c
+++ b/lib/rand.c
@@ -156,7 +156,7 @@ void __fill_random_buf_percentage(unsigned long seed, void *buf,
/*
* Fill random chunk
*/
- this_len = (segment * (100 - percentage)) / 100;
+ this_len = ((unsigned long long)segment * (100 - percentage)) / 100;
if (this_len > len)
this_len = len;