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

6       vfs_setlease - sets a lease on an open file
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SYNOPSIS

9       int vfs_setlease(struct file * filp, long arg,
10                        struct file_lock ** lease, void ** priv);
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ARGUMENTS

13       filp
14           file pointer
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16       arg
17           type of lease to obtain
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19       lease
20           file_lock to use when adding a lease
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22       priv
23           private info for lm_setup when adding a lease
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DESCRIPTION

26       Call this to establish a lease on the file. The “lease” argument is not
27       used for F_UNLCK requests and may be NULL. For commands that set or
28       alter an existing lease, the (*lease)->fl_lmops->lm_break operation
29       must be set; if not, this function will return -ENOLCK (and generate a
30       scary-looking stack trace).
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33Kernel Hackers Manual 3.10         June 2019                   VFS_SETLEASE(9)
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