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f2785b527c
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>
768 lines
28 KiB
768 lines
28 KiB