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blktrace: Fix replay_align 32 bit truncation
author
Sitsofe Wheeler
<sitsofe@yahoo.com>
Sat, 3 Dec 2016 09:31:34 +0000
(09:31 +0000)
committer
Sitsofe Wheeler
<sitsofe@yahoo.com>
Mon, 12 Dec 2016 22:23:28 +0000
(22:23 +0000)
When using replay_align the aligned offset was truncated when the
original offset was greater than 2^32. Fix this by forcing the
calculation to happen with 64 bits.
Signed-off-by: Sitsofe Wheeler <sitsofe@yahoo.com>
blktrace.c
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diff --git
a/blktrace.c
b/blktrace.c
index deb8b2d6d68eb465b1929fd9565cde900d9b408c..dcddd4f21b15e322ef2796d319734c4fb94a5b2a 100644
(file)
--- a/
blktrace.c
+++ b/
blktrace.c
@@
-221,7
+221,7
@@
static void ipo_bytes_align(struct thread_options *o, struct io_piece *ipo)
if (!o->replay_align)
return;
- ipo->offset &= ~(o->replay_align - 1);
+ ipo->offset &= ~(o->replay_align -
(uint64_t)
1);
}