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(parent: 8cbe5e0) | patch
raid5: lockless access raid5 overrided bi_phys_segments
authorShaohua Li <shli@kernel.org>
Thu, 19 Jul 2012 06:01:31 +0000 (16:01 +1000)
committerNeilBrown <neilb@suse.de>
Thu, 19 Jul 2012 06:01:31 +0000 (16:01 +1000)
commit0480d66cffe00c25c4b4d75190ac4ec239ac7a14
tree48b8be28ae6d47697307d6fbce9d35c4fd1506f0tree | snapshot
parent8cbe5e08603d71738d790bf9dea826750aded4dccommit | diff
raid5: lockless access raid5 overrided bi_phys_segments

Raid5 overrides bio->bi_phys_segments, accessing it is with device_lock hold,
which is unnecessary, We can make it lockless actually.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
drivers/md/raid5.c diff | blob | history
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