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linux/drivers/nvme/host
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Keith Busch df2bd52354 nvme: introduce helper function to get ctrl state 
[ Upstream commit 5c687c287c ]

The controller state is typically written by another CPU, so reading it
should ensure no optimizations are taken. This is a repeated pattern in
the driver, so start with adding a convenience function that returns the
controller state with READ_ONCE().

Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-01-20 11:50:06 +01:00
..
apple.c nvme-apple: only reset the controller when RTKit is running 2023-02-06 08:06:34 +01:00
auth.c nvme-auth: set explanation code for failure2 msgs 2023-12-20 17:00:22 +01:00
constants.c nvme: fix the name of Zone Append for verbose logging 2023-06-09 10:34:04 +02:00
core.c nvme-core: check for too small lba shift 2024-01-20 11:50:04 +01:00
fabrics.c nvme: consider also host_iface when checking ip options 2022-09-19 17:55:24 +02:00
fabrics.h nvme-fabrics: show well known discovery name 2023-03-11 13:55:31 +01:00
fault_inject.c block: remove the ->rq_disk field in struct request 2021-11-29 06:41:29 -07:00
fc.c nvme-fc: Prevent null pointer dereference in nvme_fc_io_getuuid() 2023-10-06 14:56:51 +02:00
fc.h nvme-fc: Update header and host for common definitions for LS handling 2020-05-09 16:18:33 -06:00
hwmon.c nvme-pci: add quirk for missing secondary temperature thresholds 2023-06-09 10:34:09 +02:00
ioctl.c nvme: fix error-handling for io_uring nvme-passthrough 2023-11-20 11:52:17 +01:00
Kconfig nvme-auth: Diffie-Hellman key exchange support 2022-08-02 17:14:49 -06:00
Makefile nvme: don't always build constants.o 2022-08-02 17:22:48 -06:00
multipath.c nvme-multipath: don't call blk_mark_disk_dead in nvme_mpath_remove_disk 2023-06-09 10:34:15 +02:00
nvme.h nvme: introduce helper function to get ctrl state 2024-01-20 11:50:06 +01:00
pci.c nvme-pci: Add sleep quirk for Kingston drives 2023-12-13 18:39:17 +01:00
rdma.c nvme-rdma: do not try to stop unallocated queues 2023-10-25 12:03:14 +02:00
tcp.c nvme-tcp: fix potential unbalanced freeze & unfreeze 2023-08-16 18:27:30 +02:00
trace.c nvme: implement In-Band authentication 2022-08-02 17:14:49 -06:00
trace.h nvme: fix async event trace event 2023-05-11 23:03:22 +09:00
zns.c block: pass a gendisk to blk_queue_max_open_zones and blk_queue_max_active_zones 2022-07-06 06:46:26 -06:00