blk/kerneldevice: count ops not bytes in discard_op perf counter

ifed01 · ifed01 · commit d7467b0992e4 · 2025-03-06T10:49:06.000+03:00
Fixes: https://tracker.ceph.com/issues/70335 Signed-off-by: Igor Fedotov <igor.fedotov@croit.io>
diff --git a/src/blk/kernel/KernelDevice.cc b/src/blk/kernel/KernelDevice.cc
@@ -818,7 +818,7 @@ void KernelDevice::_discard_thread(uint64_t tid)
       discard_running ++;
       l.unlock();
       dout(20) << __func__ << " finishing" << dendl;
-      logger->inc(l_blk_kernel_device_discard_op, discard_processing.size());
+      logger->inc(l_blk_kernel_device_discard_op, discard_processing.num_intervals());
       for (auto p = discard_processing.begin(); p != discard_processing.end(); ++p) {
         _discard(p.get_start(), p.get_len());
       }

Original file line number	Diff line number	Diff line change
`@@ -818,7 +818,7 @@ void KernelDevice::_discard_thread(uint64_t tid)`
`818`	`818`	`discard_running ++;`
`819`	`819`	`l.unlock();`
`820`	`820`	`dout(20) << __func__ << " finishing" << dendl;`
`821`		`- logger->inc(l_blk_kernel_device_discard_op, discard_processing.size());`
	`821`	`+ logger->inc(l_blk_kernel_device_discard_op, discard_processing.num_intervals());`
`822`	`822`	`for (auto p = discard_processing.begin(); p != discard_processing.end(); ++p) {`
`823`	`823`	`_discard(p.get_start(), p.get_len());`
`824`	`824`	`}`