| commit | 8ab1d40a646e753adb6814642432a093d93dbf47 | [log] [tgz] |
|---|---|---|
| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | Wed May 27 07:24:17 2020 +0200 |
| committer | Jens Axboe <axboe@kernel.dk> | Wed May 27 05:21:23 2020 -0600 |
| tree | f70e9ee9cc1ea5823cba3865f380a597ef5db3ca | |
| 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>