linux-master/fs/locks.c

883 /* Determine if lock sys_fl blocks lock caller_fl. Common functionality
896 /* Determine if lock sys_fl blocks lock caller_fl. POSIX specific
902 	struct file_lock *caller_fl = file_lock(caller_flc);
912 	if (!locks_overlap(caller_fl, sys_fl))
918 /* Determine if lock sys_fl blocks lock caller_fl. Used on xx_GETLK
921 static bool posix_test_locks_conflict(struct file_lock *caller_fl,
924 	struct file_lock_core *caller = &caller_fl->c;
928 	if (lock_is_unlock(caller_fl)) {
931 		return locks_overlap(caller_fl, sys_fl);
936 /* Determine if lock sys_fl blocks lock caller_fl. FLOCK specific
1001  * caller_fl which is about to wait for a conflicting lock block_fl, we
1042 static bool posix_locks_deadlock(struct file_lock *caller_fl,
1045 	struct file_lock_core *caller = &caller_fl->c;