tree f9f479f5a662ddc9cd482d0e46c7e21e3ca3783b
parent 36d091f4759d194c99f0705d412afe208622b45a
author NeilBrown <neilb@suse.de> 1418608618 +1100
committer NeilBrown <neilb@suse.de> 1423175575 +1100

md/bitmap: protect clearing of ->bitmap by mddev->lock

This makes it safe to inspect the struct while holding only
the spinlock.

Signed-off-by: NeilBrown <neilb@suse.de>