NeilBrown f2785b527c md: document lifetime of internal rdev pointer. ...

The rdev pointer kept in the local 'config' for each for
raid1, raid10, raid4/5/6 has non-obvious lifetime rules.
Sometimes RCU is needed, sometimes a lock, something nothing.

Add documentation to explain this.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <sh.li@alibaba-inc.com>

2018-02-18 10:22:27 -08:00

6.3 KiB

Raw Blame History

View Raw