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block/accounting: Use lock guard macros 

Replace manual lock()/unlock() calls with lock guard macros
(QEMU_LOCK_GUARD/WITH_QEMU_LOCK_GUARD) in block/accounting.

Signed-off-by: Gan Qixin <ganqixin@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201203075055.127773-2-ganqixin@huawei.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Gan Qixin 2020-12-03 15:50:52 +08:00 committed by Kevin Wolf
parent b785d25e91
commit c37c973660
1 changed files with 15 additions and 17 deletions
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6
block/accounting.c
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@ -199,8 +199,7 @@ static void block_account_one_io(BlockAcctStats *stats, BlockAcctCookie *cookie,
return;
}
qemu_mutex_lock(&stats->lock);
WITH_QEMU_LOCK_GUARD(&stats->lock) {
if (failed) {
stats->failed_ops[cookie->type]++;
} else {
@ -219,8 +218,7 @@ static void block_account_one_io(BlockAcctStats *stats, BlockAcctCookie *cookie,
timed_average_account(&s->latency[cookie->type], latency_ns);
}
}
qemu_mutex_unlock(&stats->lock);
}
cookie->type = BLOCK_ACCT_NONE;
}