md/raid5: add rcu protection to rdev accesses in want_replace

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Being in the middle of resync is no longer protection against failed
rdevs disappearing.  So add rcu protection.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>

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NeilBrown 2016-06-02 16:19:52 +10:00 • committed by Shaohua Li

parent e50d399232

commit 3f232d6a95

1 changed files with 4 additions and 3 deletions

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drivers/md/raid5.c

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