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util/stats64: Fix min/max comparisons 

stat64_min_slow() and stat64_max_slow() compare the wrong way.  This
makes iotest 136 fail with clang and -m32.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20171114232223.25207-1-mreitz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Max Reitz 2017-11-15 00:22:23 +01:00 committed by Paolo Bonzini
parent 17b50b0c29
commit 26a5db322b
1 changed files with 2 additions and 2 deletions
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util/stats64.c
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@ -91,7 +91,7 @@ bool stat64_min_slow(Stat64 *s, uint64_t value)
low = atomic_read(&s->low);
orig = ((uint64_t)high << 32) | low;
if (orig < value) {
if (value < orig) {
/* We have to set low before high, just like stat64_min reads
* high before low. The value may become higher temporarily, but
* stat64_get does not notice (it takes the lock) and the only ill
@ -120,7 +120,7 @@ bool stat64_max_slow(Stat64 *s, uint64_t value)
low = atomic_read(&s->low);
orig = ((uint64_t)high << 32) | low;
if (orig > value) {
if (value > orig) {
/* We have to set low before high, just like stat64_max reads
* high before low. The value may become lower temporarily, but
* stat64_get does not notice (it takes the lock) and the only ill