On Fri, 5 Mar 2021 20:00:09 +0100, Bodo Stroesser wrote: > Especially when using tcmu with tcm_loop, memory allocations with > GFP_KERNEL for a LUN can cause write back to the same LUN. > > So we have to use GFP_NOIO when allocation is done while handling > commands or while holding cmdr_lock. Applied to 5.13/scsi-queue, thanks! [1/1] scsi: target: tcmu: Use GFP_NOIO while handling cmds or holding cmdr_lock https://git.kernel.org/mkp/scsi/c/1080782f13e3 -- Martin K. Petersen Oracle Linux Engineering