Scott Bauer cf39a6bc34 nvme: ensure forward progress during Admin passthru ... If the controller supports effects and goes down during the passthru admin command we will deadlock during namespace revalidation. [ 363.488275] INFO: task kworker/u16:5:231 blocked for more than 120 seconds. [ 363.488290] Not tainted 4.17.0+ #2 [ 363.488296] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 363.488303] kworker/u16:5 D 0 231 2 0x80000000 [ 363.488331] Workqueue: nvme-reset-wq nvme_reset_work [nvme] [ 363.488338] Call Trace: [ 363.488385] schedule+0x75/0x190 [ 363.488396] rwsem_down_read_failed+0x1c3/0x2f0 [ 363.488481] call_rwsem_down_read_failed+0x14/0x30 [ 363.488504] down_read+0x1d/0x80 [ 363.488523] nvme_stop_queues+0x1e/0xa0 [nvme_core] [ 363.488536] nvme_dev_disable+0xae4/0x1620 [nvme] [ 363.488614] nvme_reset_work+0xd1e/0x49d9 [nvme] [ 363.488911] process_one_work+0x81a/0x1400 [ 363.488934] worker_thread+0x87/0xe80 [ 363.488955] kthread+0x2db/0x390 [ 363.488977] ret_from_fork+0x35/0x40 Fixes: 84fef62d13 ("nvme: check admin passthru command effects") Signed-off-by: Scott Bauer <scott.bauer@intel.com> Reviewed-by: Keith Busch <keith.busch@linux.intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de>		2018-07-17 05:46:19 -07:00
..
core.c	nvme: ensure forward progress during Admin passthru	2018-07-17 05:46:19 -07:00
fabrics.c	nvme-fabrics: fix and refine state checks in __nvmf_check_ready	2018-06-15 11:21:00 +02:00
fabrics.h	nvme-fabrics: handle the admin-only case properly in nvmf_check_ready	2018-06-15 11:21:00 +02:00
fault_inject.c	nvme: Add fault injection feature	2018-03-26 08:53:43 -06:00
fc.c	nvme-fc: release io queues to allow fast fail	2018-06-21 09:31:28 +02:00
Kconfig	IB: Revert "remove redundant INFINIBAND kconfig dependencies"	2018-05-28 10:40:16 -06:00
lightnvm.c	lightnvm: remove function name in strings	2018-03-29 17:29:09 -06:00
Makefile	nvme: Add fault injection feature	2018-03-26 08:53:43 -06:00
multipath.c	nvme: add bio remapping tracepoint	2018-06-11 16:17:46 +02:00
nvme.h	nvme-pci: limit max IO size and segments to avoid high order allocations	2018-06-21 18:59:46 +02:00
pci.c	nvme-pci: fix memory leak on probe failure	2018-07-12 08:23:56 +02:00
rdma.c	nvme-rdma: fix possible double free of controller async event buffer	2018-06-28 16:29:54 +02:00
trace.c	nvme: add tracepoint for nvme_setup_cmd	2018-01-26 12:34:40 +01:00
trace.h	nvme: change order of qid and cmdid in completion trace	2018-04-26 13:30:08 -06:00