nvme: skip optional id ctrl csi if it failed

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A frequently recieved report is the driver requests the optional Command
Set Specific Identify Controller structure. Some controllers report this
in their error log, which tiggers other warnings to user space
monitoring the devices.

These error entries are harmless and of questionable value to save in
the log, but let's reduce their occurance by not resending the command
if it previously failed. This will not prevent the errors on the initial
module load, but will greatly reduce their occurance on any rescans and
resumes from suspend.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=217445
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>

...

This commit is contained in:

Keith Busch 2023-05-30 08:18:20 -07:00

parent 35e797b024

commit c917dd96fe

2 changed files with 5 additions and 1 deletions

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5

drivers/nvme/host/core.c

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1

drivers/nvme/host/nvme.h

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