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Bart Van Assche authored
When dlm_release_lockspace(ls, 1) is invoked on a busy system immediately after the last dlm_unlock() AST has finished it can occur that lkb_idr_is_local() is invoked for the unlocked LKB since removal from ls_lkbidr only occurs after the AST has returned. If that happens dlm_release_lockspace(ls, 1) will return -EBUSY instead of releasing the lockspace. Fix this race condition by changing lkb_idr_is_local() such that it only returns true for LKB's that have not yet been unlocked. Signed-off-by:
Bart Van Assche <bvanassche@acm.org> Signed-off-by:
David Teigland <teigland@redhat.com>
a97f4a66