table of contents
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¶
struct file * filp
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¶
July 2017 | Kernel Hackers Manual 4.12 |