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// SPDX-License-Identifier: GPL-2.0 /* * internal.h - declarations internal to debugfs * * Copyright (C) 2016 Nicolai Stange <nicstange@gmail.com> */ #ifndef _DEBUGFS_INTERNAL_H_ #define _DEBUGFS_INTERNAL_H_ struct file_operations; /* declared over in file.c */ extern const struct file_operations debugfs_noop_file_operations; extern const struct file_operations debugfs_open_proxy_file_operations; extern const struct file_operations debugfs_full_proxy_file_operations; struct debugfs_fsdata { const struct file_operations *real_fops; refcount_t active_users; struct completion active_users_drained; }; /* * A dentry's ->d_fsdata either points to the real fops or to a * dynamically allocated debugfs_fsdata instance. * In order to distinguish between these two cases, a real fops * pointer gets its lowest bit set. */ #define DEBUGFS_FSDATA_IS_REAL_FOPS_BIT BIT(0) #endif /* _DEBUGFS_INTERNAL_H_ */