debugfs_create_file_unsafe (9) - Linux Man Pages
debugfs_create_file_unsafe: create a file in the debugfs filesystem
debugfs_create_file_unsafe - create a file in the debugfs filesystem
struct dentry * debugfs_create_file_unsafe(const char
*name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops);
- a pointer to a string containing the name of the file to create.
- the permission that the file should have.
- a pointer to the parent dentry for this file. This should be a directory dentry if set. If this parameter is NULL, then the file will be created in the root of the debugfs filesystem.
- a pointer to something that the caller will want to get to later on. The inode.i_private pointer will point to this value on the open call.
- a pointer to a struct file_operations that should be used for this file.
debugfs_create_file_unsafe is completely analogous to debugfs_create_file, the only difference being that the fops handed it will not get protected against file removals by the debugfs core.
It is your responsibility to protect your struct file_operation methods against file removals by means of debugfs_use_file_start and debugfs_use_file_finish. ->open is still protected by debugfs though.