1FCNTL_GETLEASE(9)                The Linux VFS               FCNTL_GETLEASE(9)
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NAME

6       fcntl_getlease - Enquire what lease is currently active
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SYNOPSIS

9       int fcntl_getlease(struct file * filp);
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ARGUMENTS

12       filp
13           the file
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DESCRIPTION

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

33       sfr & willy disagree over whether F_INPROGRESS should be returned to
34       userspace.
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37Kernel Hackers Manual 2.6.         June 2019                 FCNTL_GETLEASE(9)
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