On 6/8/20 3:13 AM, Artur Paszkiewicz wrote:
On 6/5/20 10:19 PM, jeffm@xxxxxxxx wrote:The i/o accounting published in /proc/diskstats for mdraid is currently broken. md_make_request does the accounting for every bio passed but when a bio needs to be split, all the split bios are also submitted through md_make_request, resulting in multiple accounting.Hi Jeff, I sent a patch a few days ago which should fix this issue. Can you check it out? https://marc.info/?l=linux-raid&m=159102814820539
It scratches the same itch. I just didn't want to clone every bio just to get stats.
-Jeff -- Jeff Mahoney Director, SUSE Labs Data & Performance
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