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(parent: 4a842f4) | patch
block: reduce part_stat_lock() scope
authorChristoph Hellwig <hch@lst.de>
Wed, 27 May 2020 05:24:19 +0000 (07:24 +0200)
committerJens Axboe <axboe@kernel.dk>
Wed, 27 May 2020 11:21:23 +0000 (05:21 -0600)
commit32ee3f5bfdd40df5d3208cc901d601a2035fb8ef
treee04d89fd97ee32e1d7d66eaa881c0c035d1db0f4tree | snapshot
parent4a842f4a4300487be64926ebd266d0e25f8ce51ecommit | diff
block: reduce part_stat_lock() scope

We only need the stats lock (aka preempt_disable()) for updating the
states, not for looking up or dropping the hd_struct reference.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-core.c diff | blob | history
block/blk-merge.c diff | blob | history
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