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| author |   Keith Busch <kbusch@kernel.org> | 2023-10-30 08:13:09 -0700 |
|---|---|---|
| committer | Keith Busch <kbusch@kernel.org> | 2023-12-04 08:39:03 -0800 |
| commit | 5c687c287c46fadb14644091823298875a5216aa (patch) | |
| tree | 128648783e08c11c1c5ebff84928547f7656cb69 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | Merge tag 'md-fixes-20231201-1' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-6.7 (diff) | |
| download | wireguard-linux-5c687c287c46fadb14644091823298875a5216aa.tar.xz wireguard-linux-5c687c287c46fadb14644091823298875a5216aa.zip | |
nvme: introduce helper function to get ctrl state
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>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions