diff options
| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2020-05-27 07:24:17 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-05-27 05:21:23 -0600 |
| commit | 8ab1d40a646e753adb6814642432a093d93dbf47 (patch) | |
| tree | f70e9ee9cc1ea5823cba3865f380a597ef5db3ca /include/linux/backlight.h | |
| parent | b5af37ab3a2b143e278340d2c6fa5790d53817e7 (diff) | |
block: remove rcu_read_lock() from part_stat_lock()
The RCU lock is required only in disk_map_sector_rcu() to lookup the
partition. After that request holds reference to related hd_struct.
Replace get_cpu() with preempt_disable() - returned cpu index is unused.
[hch: rebased]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/backlight.h')
0 files changed, 0 insertions, 0 deletions