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a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=GoEa3M9JfhUA:10 a=BwSWIdu51ZsbxUqhSqQA:9 a=QEXdDO2ut3YA:10 cc=ntf awl=host:12084 X-Proofpoint-GUID: r_eT9EFJ9V1wNTw32tlF1TsZ32TEwKYN X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTA4MDE2MiBTYWx0ZWRfX5cr0cLenJ4yu AML8dTzEE5bWXEh811uymHjsJZhDZpup6okDHJhawbtumHn4wZu9jADO2Fq7rjpccL+Ues3xlZQ sEMQ41Uvjf5bMxR57b/QrqklHplGiZG51zd0jG8GjX6o/XOsBbjaj2knGgGjmrd++abWGD23w5H HNw1lTDU53iBGgCZ3CAjo4gu7mWTo0GtZhM4HwYpcSxNU0O7WYnA9vNjS+ap+Iu7a3hdVUAo/BS Ak2JemYMAo2UMGezhLCSjcT5QnVoRWE0eOKDgVr5qkoxWPEq14Nfu5jN6mzx09XOAT+hKu75uFf jOiTEyS5qRuu0S+19LYj2f0fCk4Yxmi903G8LCE1ZKFVqGjYMmzyRrbmyH/Fk4l0lI5N+0nUerb xXqzkStVbQi5hhjkpTm9OME5U8xjIA== On 11/09/2025 18:37, Bart Van Assche wrote: > On 9/11/25 1:15 AM, John Garry wrote: >> this can race with a call to scsi_change_queue_depth() (which may free >> sdev->budget_map.map), right? >> >> scsi_change_queue_depth() does not seem to do any queue freezing. > > Hi John, > It was not specifically freezing which I was concerned with. It was how with the freeing of the sbitmap now looks racy. Just resizing the sbitmap would not have such issues. I mentioned queue freezing as queue freezing was introduced in scsi_realloc_sdev_budget_map() for freeing the queue - I'm not sure why, though. > Are there any SCSI devices left about which we care and for which queue > depth tracking is important? many drivers still set .track_queue_depth