A virtual filesystem locking surprise

Posted Jul 31, 2023 21:13 UTC (Mon) by pbonzini (subscriber, #60935)
In reply to: A virtual filesystem locking surprise by wsy
Parent article: A virtual filesystem locking surprise

Functions such as fdget_pos() return a bunch of flags for later use in fdput() and fdput_pos(). One such flag is FDPUT_POS_UNLOCK, which directs fdput_pos() to release the mutex.