1FCNTL_GETLEASE(9)                The Linux VFS               FCNTL_GETLEASE(9)
2
3
4

NAME

6       fcntl_getlease - Enquire what lease is currently active
7

SYNOPSIS

9       int fcntl_getlease(struct file * filp);
10

ARGUMENTS

12       filp
13           the file
14

DESCRIPTION

16       The value returned by this function will be one of (if no lease break
17       is pending):
18
19       F_RDLCK to indicate a shared lease is held.
20
21       F_WRLCK to indicate an exclusive lease is held.
22
23       F_UNLCK to indicate no lease is held.
24
25       (if a lease break is pending):
26
27       F_RDLCK to indicate an exclusive lease needs to be changed to a shared
28       lease (or removed).
29
30       F_UNLCK to indicate the lease needs to be removed.
31

XXX

33       sfr & willy disagree over whether F_INPROGRESS should be returned to
34       userspace.
35

37Kernel Hackers Manual 3.10         June 2019                 FCNTL_GETLEASE(9)
Impressum