generic_buffers_fsync_noflush
EXPORT_SYMBOL(generic_buffers_fsync_noflush);
ret = generic_buffers_fsync_noflush(file, start, end, datasync);
ret = generic_buffers_fsync_noflush(file, start, end, datasync);
int generic_buffers_fsync_noflush(struct file *file, loff_t start, loff_t end,