md: remove mddev_lock from rdev_attr_show()

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No rdev attributes need locking for 'show', though
state_show() might benefit from ensuring it sees a
consistent set of flags.

None even use rdev->mddev, so testing for it isn't really
needed and it certainly doesn't need to be held constant.

So improve state_show() and remove the locking.

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

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This commit is contained in:

NeilBrown 2014-12-15 12:56:59 +11:00

parent b7b17c9b67

commit 758bfc8abf

1 changed files with 14 additions and 22 deletions

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drivers/md/md.c

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