5  * Userspace file locking support
18 #include "file.h"
22 static int ocfs2_do_flock(struct file *file, struct inode *inode,  in ocfs2_do_flock()  argument
26 	struct ocfs2_file_private *fp = file->private_data;  in ocfs2_do_flock()
57 		locks_lock_file_wait(file, &request);  in ocfs2_do_flock()
59 		ocfs2_file_unlock(file);  in ocfs2_do_flock()
62 	ret = ocfs2_file_lock(file, level, trylock);  in ocfs2_do_flock()
71 	ret = locks_lock_file_wait(file, fl);  in ocfs2_do_flock()
73 		ocfs2_file_unlock(file);  in ocfs2_do_flock()
81 static int ocfs2_do_funlock(struct file *file, int cmd, struct file_lock *fl)  in ocfs2_do_funlock()  argument
84 	struct ocfs2_file_private *fp = file->private_data;  in ocfs2_do_funlock()
87 	ocfs2_file_unlock(file);  in ocfs2_do_funlock()
88 	ret = locks_lock_file_wait(file, fl);  in ocfs2_do_funlock()
97 int ocfs2_flock(struct file *file, int cmd, struct file_lock *fl)  in ocfs2_flock()  argument
99 	struct inode *inode = file->f_mapping->host;  in ocfs2_flock()
107 		return locks_lock_file_wait(file, fl);  in ocfs2_flock()
110 		return ocfs2_do_funlock(file, cmd, fl);  in ocfs2_flock()
112 		return ocfs2_do_flock(file, inode, cmd, fl);  in ocfs2_flock()
115 int ocfs2_lock(struct file *file, int cmd, struct file_lock *fl)  in ocfs2_lock()  argument
117 	struct inode *inode = file->f_mapping->host;  in ocfs2_lock()
123 	return ocfs2_plock(osb->cconn, OCFS2_I(inode)->ip_blkno, file, cmd, fl);  in ocfs2_lock()