函数源码

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source File:include\linux\fs.h Create Date:2022-07-27 06:44:24
首页 Copyright©Brick

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#else /* !CONFIG_FILE_LOCKING */
static inline int fcntl_getlk(struct file *file, unsigned int cmd,
                  struct flock __user *user)
{
    return -EINVAL;
}
 
static inline int fcntl_setlk(unsigned int fd, struct file *file,
                  unsigned int cmd, struct flock __user *user)
{
    return -EACCES;
}
 
#if BITS_PER_LONG == 32
static inline int fcntl_getlk64(struct file *file, unsigned int cmd,
                struct flock64 __user *user)
{
    return -EINVAL;
}
 
static inline int fcntl_setlk64(unsigned int fd, struct file *file,
                unsigned int cmd, struct flock64 __user *user)
{
    return -EACCES;
}
#endif
static inline int fcntl_setlease(unsigned int fd, struct file *filp, long arg)
{
    return -EINVAL;
}
 
static inline int fcntl_getlease(struct file *filp)
{
    return F_UNLCK;
}
 
static inline void
locks_free_lock_context(struct inode *inode)
{
}
 
static inline void locks_init_lock(struct file_lock *fl)
{
    return;
}
 
static inline void locks_copy_conflock(struct file_lock *new, struct file_lock *fl)
{
    return;
}
 
static inline void locks_copy_lock(struct file_lock *new, struct file_lock *fl)
{
    return;
}
 
static inline void locks_remove_posix(struct file *filp, fl_owner_t owner)
{
    return;
}
 
static inline void locks_remove_file(struct file *filp)
{
    return;
}
 
static inline void posix_test_lock(struct file *filp, struct file_lock *fl)
{
    return;
}
 
static inline int posix_lock_file(struct file *filp, struct file_lock *fl,
                  struct file_lock *conflock)
{
    return -ENOLCK;
}
 
static inline int locks_delete_block(struct file_lock *waiter)
{
    return -ENOENT;
}
 
static inline int vfs_test_lock(struct file *filp, struct file_lock *fl)
{
    return 0;
}
 
static inline int vfs_lock_file(struct file *filp, unsigned int cmd,
                struct file_lock *fl, struct file_lock *conf)
{
    return -ENOLCK;
}
 
static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl)
{
    return 0;
}
 
static inline int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl)
{
    return -ENOLCK;
}
 
static inline int __break_lease(struct inode *inode, unsigned int mode, unsigned int type)
{
    return 0;
}
 
static inline void lease_get_mtime(struct inode *inode,
                   struct timespec64 *time)
{
    return;
}
 
static inline int generic_setlease(struct file *filp, long arg,
                    struct file_lock **flp, void **priv)
{
    return -EINVAL;
}
 
static inline int vfs_setlease(struct file *filp, long arg,
                   struct file_lock **lease, void **priv)
{
    return -EINVAL;
}
 
static inline int lease_modify(struct file_lock *fl, int arg,
                   struct list_head *dispose)
{
    return -EINVAL;
}
 
struct files_struct;
static inline void show_fd_locks(struct seq_file *f,
            struct file *filp, struct files_struct *files) {}
#endif /* !CONFIG_FILE_LOCKING */
 
static inline struct inode *file_inode(const struct file *f)
{
    return f->f_inode;
}