LCOV - code coverage report
Current view: top level - include/linux - dnotify.h (source / functions) Hit Total Coverage
Test: landlock.info Lines: 2 2 100.0 %
Date: 2021-04-22 12:43:58 Functions: 0 0 -

          Line data    Source code
       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : #ifndef _LINUX_DNOTIFY_H
       3             : #define _LINUX_DNOTIFY_H
       4             : /*
       5             :  * Directory notification for Linux
       6             :  *
       7             :  * Copyright (C) 2000,2002 Stephen Rothwell
       8             :  */
       9             : 
      10             : #include <linux/fs.h>
      11             : 
      12             : struct dnotify_struct {
      13             :         struct dnotify_struct * dn_next;
      14             :         __u32                   dn_mask;
      15             :         int                     dn_fd;
      16             :         struct file *           dn_filp;
      17             :         fl_owner_t              dn_owner;
      18             : };
      19             : 
      20             : #ifdef __KERNEL__
      21             : 
      22             : 
      23             : #ifdef CONFIG_DNOTIFY
      24             : 
      25             : #define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
      26             :                             FS_MODIFY | FS_MODIFY_CHILD |\
      27             :                             FS_ACCESS | FS_ACCESS_CHILD |\
      28             :                             FS_ATTRIB | FS_ATTRIB_CHILD |\
      29             :                             FS_CREATE | FS_DN_RENAME |\
      30             :                             FS_MOVED_FROM | FS_MOVED_TO)
      31             : 
      32             : extern int dir_notify_enable;
      33             : extern void dnotify_flush(struct file *, fl_owner_t);
      34             : extern int fcntl_dirnotify(int, struct file *, unsigned long);
      35             : 
      36             : #else
      37             : 
      38       27717 : static inline void dnotify_flush(struct file *filp, fl_owner_t id)
      39             : {
      40       27717 : }
      41             : 
      42             : static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
      43             : {
      44             :         return -EINVAL;
      45             : }
      46             : 
      47             : #endif /* CONFIG_DNOTIFY */
      48             : 
      49             : #endif /* __KERNEL __ */
      50             : 
      51             : #endif /* _LINUX_DNOTIFY_H */

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