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Jiri Slaby 9c2463490b block: restore the old set_task_ioprio() behaviour wrt PF_EXITING 
commit 15583a563c upstream.

PF_EXITING tasks were silently ignored before the below commits.
Continue doing so. Otherwise python-psutil tests fail:
  ERROR: psutil.tests.test_process.TestProcess.test_zombie_process
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "/home/abuild/rpmbuild/BUILD/psutil-5.9.0/build/lib.linux-x86_64-3.9/psutil/_pslinux.py", line 1661, in wrapper
      return fun(self, *args, **kwargs)
    File "/home/abuild/rpmbuild/BUILD/psutil-5.9.0/build/lib.linux-x86_64-3.9/psutil/_pslinux.py", line 2133, in ionice_set
      return cext.proc_ioprio_set(self.pid, ioclass, value)
  ProcessLookupError: [Errno 3] No such process

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/home/abuild/rpmbuild/BUILD/psutil-5.9.0/psutil/tests/test_process.py", line 1313, in test_zombie_process
      succeed_or_zombie_p_exc(fun)
    File "/home/abuild/rpmbuild/BUILD/psutil-5.9.0/psutil/tests/test_process.py", line 1288, in succeed_or_zombie_p_exc
      return fun()
    File "/home/abuild/rpmbuild/BUILD/psutil-5.9.0/build/lib.linux-x86_64-3.9/psutil/__init__.py", line 792, in ionice
      return self._proc.ionice_set(ioclass, value)
    File "/home/abuild/rpmbuild/BUILD/psutil-5.9.0/build/lib.linux-x86_64-3.9/psutil/_pslinux.py", line 1665, in wrapper
      raise NoSuchProcess(self.pid, self._name)
  psutil.NoSuchProcess: process no longer exists (pid=2057)

Cc: Christoph Hellwig <hch@lst.de>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Fixes: 5fc11eebb4 (block: open code create_task_io_context in set_task_ioprio)
Fixes: a957b61254 (block: fix error in handling dead task for ioprio setting)
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220328085928.7899-1-jslaby@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-08 13:58:57 +02:00
..
partitions
badblocks.c
bdev.c
bfq-cgroup.c block, bfq: don't move oom_bfqq 2022-04-08 13:58:36 +02:00
bfq-iosched.c Revert "Revert "block, bfq: honor already-setup queue merges"" 2022-04-08 13:58:38 +02:00
bfq-iosched.h
bfq-wf2q.c block/bfq_wf2q: correct weight to ioprio 2022-04-08 13:58:36 +02:00
bio-integrity.c
bio.c block: fix rq-qos breakage from skipping rq_qos_done_bio() 2022-04-08 13:57:26 +02:00
blk-cgroup-rwstat.c
blk-cgroup-rwstat.h
blk-cgroup.c blk-cgroup: set blkg iostat after percpu stat aggregation 2022-04-08 13:57:34 +02:00
blk-core.c block: release rq qos structures for queue without disk 2022-03-14 14:05:41 -06:00
blk-crypto-fallback.c
blk-crypto-internal.h
blk-crypto-profile.c
blk-crypto.c
blk-flush.c
blk-ia-ranges.c
blk-integrity.c
blk-ioc.c block: restore the old set_task_ioprio() behaviour wrt PF_EXITING 2022-04-08 13:58:57 +02:00
blk-iocost.c
blk-iolatency.c block: fix rq-qos breakage from skipping rq_qos_done_bio() 2022-04-08 13:57:26 +02:00
blk-ioprio.c
blk-ioprio.h
blk-lib.c
blk-map.c block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern 2022-02-17 07:54:03 -07:00
blk-merge.c block: throttle split bio in case of iops limit 2022-04-08 13:58:36 +02:00
blk-mq-cpumap.c
blk-mq-debugfs-zoned.c
blk-mq-debugfs.c
blk-mq-debugfs.h
blk-mq-pci.c
blk-mq-rdma.c
blk-mq-sched.c block: limit request dispatch loop duration 2022-04-08 13:57:26 +02:00
blk-mq-sched.h
blk-mq-sysfs.c
blk-mq-tag.c
blk-mq-tag.h
blk-mq-virtio.c
blk-mq.c block: flush plug based on hardware and software queue order 2022-04-08 13:57:13 +02:00
blk-mq.h
blk-pm.c
blk-pm.h
blk-rq-qos.c
blk-rq-qos.h block: fix rq-qos breakage from skipping rq_qos_done_bio() 2022-04-08 13:57:26 +02:00
blk-settings.c
blk-stat.c
blk-stat.h
blk-sysfs.c block: don't delete queue kobject before its children 2022-04-08 13:57:35 +02:00
blk-throttle.c block: throttle split bio in case of iops limit 2022-04-08 13:58:36 +02:00
blk-throttle.h block: throttle split bio in case of iops limit 2022-04-08 13:58:36 +02:00
blk-timeout.c
blk-wbt.c
blk-wbt.h
blk-zoned.c
blk.h
bounce.c
bsg-lib.c
bsg.c
disk-events.c
elevator.c block/wbt: fix negative inflight counter when remove scsi device 2022-02-17 07:54:03 -07:00
elevator.h
fops.c block: clear iocb->private in blkdev_bio_end_io_async() 2022-02-22 06:59:49 -07:00
genhd.c block: Fix the maximum minor value is blk_alloc_ext_minor() 2022-04-08 13:58:57 +02:00
holder.c
ioctl.c
ioprio.c
Kconfig
Kconfig.iosched
kyber-iosched.c
Makefile
mq-deadline.c
opal_proto.h
sed-opal.c
t10-pi.c