于 2021年1月4日 GMT+08:00 下午3:28:35, Icenowy Zheng 写到:
>The function ovl_dir_real_file() currently uses the semaphore of the
>inode to synchronize write to the upperfile cache field.
>
>However, this function will get called by ovl_ioctl_set_flags(), which
>utilizes the inode semaphore too. In
The function ovl_dir_real_file() currently uses the semaphore of the
inode to synchronize write to the upperfile cache field.
However, this function will get called by ovl_ioctl_set_flags(), which
utilizes the inode semaphore too. In this case ovl_dir_real_file() will
try to claim a lock that is
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