FCNTL_GETLEASE(9) The Linux VFS FCNTL_GETLEASE(9) NAME fcntl_getlease - Enquire what lease is currently active SYNOPSIS int fcntl_getlease(struct file * filp); ARGUMENTS filp the file DESCRIPTION The value returned by this function will be one of (if no lease break is pending): F_RDLCK to indicate a shared lease is held. F_WRLCK to indicate an exclusive lease is held. F_UNLCK to indicate no lease is held. (if a lease break is pending): F_RDLCK to indicate an exclusive lease needs to be changed to a shared lease (or removed). F_UNLCK to indicate the lease needs to be removed. XXX sfr & willy disagree over whether F_INPROGRESS should be returned to userspace. COPYRIGHT Kernel Hackers Manual 2.6. November 2013 FCNTL_GETLEASE(9)[top]
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