Sagi Grimberg 59c7c3caaa nvme: fix possible hang when ns scanning fails during error recovery ... When the controller is reconnecting, the host fails I/O and admin commands as the host cannot reach the controller. ns scanning may revalidate namespaces during that period and it is wrong to remove namespaces due to these failures as we may hang (see 205da24343). One command that may fail is nvme_identify_ns_descs. Since we return success due to having ns identify descriptor list optional, we continue to compare ns identifiers in nvme_revalidate_disk, obviously fail and return -ENODEV to nvme_validate_ns, which will remove the namespace. Exactly what we don't want to happen. Fixes: 22802bf742 ("nvme: Namepace identification descriptor list is optional") Tested-by: Anton Eidelman <anton@lightbitslabs.com> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>		2020-05-09 16:07:58 -06:00
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Kconfig	nvme: Don't deter users from enabling hwmon support	2020-03-26 04:45:25 +09:00
Makefile	nvme: Add hardware monitoring support	2019-11-12 01:57:35 +09:00
core.c	nvme: fix possible hang when ns scanning fails during error recovery	2020-05-09 16:07:58 -06:00
fabrics.c	nvme-fabrics: Use scnprintf() for avoiding potential buffer overflow	2020-03-26 04:51:55 +09:00
fabrics.h	nvme: Remove ADMIN_ONLY state	2019-10-14 23:21:44 +09:00
fault_inject.c	nvme: enable to inject errors into admin commands	2019-06-21 11:15:50 +02:00
fc.c	nvme-fc: Revert "add module to ops template to allow module references"	2020-04-04 09:09:39 +02:00
hwmon.c	nvme: hwmon: switch to use <linux/units.h> helpers	2020-01-31 10:30:40 -08:00
lightnvm.c	lightnvm: move metadata mapping to lower level driver	2019-08-06 08:20:10 -06:00
multipath.c	nvme: fix deadlock caused by ANA update wrong locking	2020-04-04 09:07:03 +02:00
nvme.h	nvme: Fix controller creation races with teardown flow	2020-03-26 04:51:56 +09:00
pci.c	nvme-pci: fix "slimmer CQ head update"	2020-05-09 16:07:58 -06:00
rdma.c	block-5.7-2020-04-10	2020-04-10 10:06:54 -07:00
tcp.c	nvme-tcp: fix possible crash in recv error flow	2020-04-01 11:07:13 +02:00
trace.c	nvme: trace: parse Get LBA Status command in detail	2019-08-29 12:55:01 -07:00
trace.h	nvme-trace: print result and status in hex format	2019-06-21 11:12:37 +02:00